Rene Descartes - The Discourse on the Method Essay

Rene Descartes - The Discourse on the Method - Essay Example His work Discourse on Method offers several key perspectives on analyzing the world, and it breaks from traditions in a number of ways. The Discourse on Method is not only important as a study of how the early scientific method developed in the Western world, but also it is informative in terms of where Descartes fits within the historical context of Western thought. Based on the applications of Descartes’ new method, one can see the logical consequences of his theories to both the physical and metaphysical sciences. An overview and critical examination of those consequences, including what can be called â€Å"Descartes’ history hypothesis,† is given in this paper. Descartes published the Discourse on Method in 1637, four years before his seminal Mediations on First Philosophy in which he establishes the rationalist mode of thinking necessary to produce the cogito ergo sum argument. The arguments in the Discourse are laid out in a way that reflects this later wor k, particularly in the importance that Descartes ascribes to reasoning as such as a way toward truth. He writes, â€Å"For, in fine, whether awake or asleep, we ought never to allow ourselves to be persuaded of the truth of anything unless on the evidence of our Reason† (Descartes, IV, 9). ... However, more than a piece of thorough philosophy, Descartes’ Discourse reads more as a narrative: introducing his younger self, his eventual dissatisfaction with the old ways of thinking that were based primarily on a Jesuit or Aristotelian model of science, and his dissatisfaction with the lack of certainty that those methods provided him. In fact, these methods only produce more doubts, more uncertainty about the world as it actually exists. Therefore, he outlines the way by which he arrives at his new method, which calls into question everything except for the fact that his is a thinking thing, capable of doubting everything except for the fact that it doubts (Descartes, III, 6). In giving a justification for a rational way to approach philosophical and scientific problems, Descartes is setting up his own conclusions about both the physical and metaphysical worlds. The function of Part V of the Cartesian Discourse on Method is to address some of these physically relevant s cientific considerations given by his rational method. â€Å"In Part Five of the Discourse a few years later,† writes Ernan McMullin, â€Å"he returned to his ambitious project of a mechanistic cosmogony, describing it this time only in outline, with none of the explanatory detail of the earlier work† (McMullin 2010, 91). Cosmogony, which refers to the study of how the universe came to be, is a mechanistic—or physical—set of theories. Descartes’ method, which attempts to set forth a mechanistic view of the origins of the universe, involves looking at a number of different phenomena: stars, the sky, heavenly bodies, and human beings themselves (Descartes, IV, 4). Descartes is attempting to develop the foundations

High School and Teen Pregnancy Essay Example for Free

High School and Teen Pregnancy Essay A. General Purpose: To inform B. Specific Purpose: To inform my audience on what I see as the biggest challenges young adults face today. C. Central Idea: I will give three reasons as to what I see as the biggest challenges are; the abuse of drugs and alcohol, teen pregnancies, and unemployment. I. Introduction A. More than half of teen mothers never get their high school diploma because they drop out of high school to provide a better parenthood for their child. B. The use of illegal drugs is increasing in young teens. An average age of first usage of marijuana is 14 and alcohol usage can start at age 12. The usage of marijuana and alcohol is now very common in high schools. C. More than 40% of those who have earned their college degree in the last two years are working in a job that does not require their degree. II. A. Teen pregnancy is affecting young adults more each year. 1. Young adults are taught that it is okay to raise a child no matter what age you are. 2. Even though statistics show that teen pregnancies are a negative outcome in their lives, some manage to make it a positive outcome. B. Young adults do not realize the use of drugs and alcohol at young age can cause negative effects on your life. They feel like they are indestructible and immune to the problems that others experience. 1. It is common for teens to experiment the use of drugs and alcohol. The problem is when they get addicted and are moving on to more dangerous drugs. 2. see more:papers on teen pregnancy Teenagers, who are depressed, have low self-esteem, and feel like they don’t fit in will most likely develop a serious drug and alcohol problem. C. Some young adults who are unemployed, are not able to pay their student loans, car payments, and cannot afford an apartment so they have to go back to their childhood bedroom and live with their parents. 1. The unemployment rate in young adults rose significantly in just one month of July 2013 from 16. 4% to 16. 8%. 2. More than 4 out of 5 are now delaying and changing their major life decisions. I. Conclusion Young adults face many challenges every day. I have listed the main three that I consider are the biggest, teen pregnancy, the abuse of drug and alcohol, and the unemployment that young adults are facing today. Some challenges are just part of life and we have to learn how to deal with them, but there are others such as unemployment that we can change. The thing is, it’s not going to change by its self, and we have to do something about it if we want to see a change in the coming future.

Features of Exploitation Strategy

Features of Exploitation Strategy 1.1 Exploitation Strategy Exploitation analysis and activities go on for the entire life of the project, taking advantage of every progress-step and achievement. The exploitation approach of the project has been structured in a recurrent cycle in which every step enables refining to define a list of activities implementing exploitation. The sequence consists of the following items: Identification of exploitable results Every identified project outcome is rated to check its eligibility for exploitation: resulting items are listed and classified by means of typology (product, process, method, data etc.) to understand the ways in which they can be shared, delivered and accessed. For each result, the level of protection is defined, although it can be specialized during next steps of analysis, to allow IPR to be different for the various involved stakeholders. Results are also given a priority that represents their importance among the exploitation activities. Identification of stakeholders Exploitable results are associated with the groups of stakeholders identified by the project (education, technical developers, industries, public communities, authorities, policy makers, etc.). The match between the results and groups of stakeholders identifies different sets of results: this step of the exploitation definition process considers the opportunity to group them in subsets to handle them together or because of their dependencies. Therefore, exploitation deals with these collections of bundles with common features: specific purpose: the common aim of the result set type of business: the area of activity of the stakeholders that can be addressed required resources: elements needed to make the bundle sustainable Association with actions This is the conclusion of each cycle of the process. The purpose is to establish the concrete activities that implement exploitation. The actions are defined in relation to the results of the previous steps concerning stakeholders and bundles: each exploitable result is associated with one or more bundles related to a set or a single stakeholder group. The actions are grouped in a set of focuses that depict specific areas of activities: technology development, knowledge building, educational training, standards development, services development, IPR protection, policy making etc. As in the preceding steps, the definition of these actions can be refined and updated during the life of the project. 1.2 Exploitable Results To identify the exploitable results of each partner and the current state of these results a table was constructed with these results, the state of this results and the possible audience.ÂÂ   The results are presented in Table 2.1 collects the exploitable results identified by the partners at this stage of the project (Month 12). The description of each result is based on partners contribution and should be considered from a preliminary perspective to draft the initial version of the Exploitation Report. Next versions of this report will include further description of each result if required. Table 1: Exploitable results of COMPINNOVA and their state up to month 12 A/A Exploitable Result Description Classification Involved Partners Stakeholders Actions M6-M12 1 Bulk catalyst development Process and product SUN Scientific community, powder material industries, investors Experiments, evidence of proper bulk pellet catalyst development 2 Thin film catalyst development Process and product NTUA Scientific community, powder material industries, investors Experiments, evidence of proper thin film catalyst development 3 Use of the Lorentz force activation for redox process Process and method NTUA Scientific community, powder material industries, investors Experiments, first evidence of activation of surfaces and redox process 4 Integrated bench plant for hydrogen production Process and system NTUA Scientific community, energy producers and users, industries, Governments, investors Initial evidence of hydrogen production, initial market analysis, initial contacts with Public Power Corporation (Greece) 5 Integrated bench plant for hydrocarbon production Process and system SUN Scientific community, energy producers and users, industries, Governments, investors Experiments, initial contacts with ENEA (Italy) 6 Multiscale modeling and explanation of the process of hydrogen production Simulation and modeling IPSAS Scientific community Qualitative analysis of the electro-magneto-chemical process 7 Powder manufacturing as precursor for catalyst manufacturing Process and product NTUA Scientific community, powder material industries, investors Experiments, publication of the method for powder production (see 2nd dissemination report) 1.3 Exploitation Management EXIS acts as Exploitation Manager heading the Exploitation Committee (EC) with representatives from NTUA, SUN, CRANFIELD, FU SAV. The Exploitation Committee supervises the management of IPR and coordinates the definition of the exploitation plan. Specifically, the HELENIC-REF EC shall: Coordinate and implement exploitation activities; Propose IPR and exploitation strategies and (eventual) associated updates to the Consortium Agreement (CA); Contribute to proper exploitation of the results by supporting all Partners Monitor the use of resources for exploitation issues. The Exploitation Activities are in close relation with Dissemination Activities (as they are -or will be- presented in Deliverables D4.14-D4.18) in order to achieve a sustained impact. The approach of HELENIC-REF for achieving a sustained impact is presented in the following Figure 2.2. Figure 2.2: HELENIC-REF approach for sustained impact 1.4 IPR Management The management of IPR is strictly ruled by the Consortium Agreement (CA) which includes all provisions related to the management of IPR including ownership, protection and publication of knowledge, access rights to knowledge and pre-existing know-how as well as questions of confidentiality, liability and dispute settlement. In the CA, the Partners have identified the background knowledge included and excluded. The CA regulates the ownership of results (Section 8 of the CA) The knowledge acquired during the project shall be considered as a property of the contractor generating it, and in this sense the originator is entitled to use and to license such right without any financial compensation to the other contributors. If the features of a joint invention are such that it is not possible to separate them, the contributors could agree that they may jointly apply to obtain and/or maintain the relevant rights and shall make effort to reach appropriate agreements to do so. The CA also regulates the transfer of results ownership (Section 8.2 of the CA) Each Signatory Party may transfer ownership of its own Foreground following the procedures of the Grant Agreement Article 30. Each Signatory Party may identify specific third parties it intends to transfer the ownership of its Foreground to in Attachment (3) to the CA. The other Signatory Parties hereby waive their right to prior notice and their right to object a transfer to listed third parties per the Grant Agreement Article 30.1 The transferring Party shall, however, at the time of the transfer, inform the other Parties of such transfer and shall ensure that the rights of the other Parties will not be affected by such transfer. Any addition after the signature of the CA requires a decision of the Project Steering Committee (PSC). Status of IPR (M12) As the project reaches its first year, the results from the ongoing research about proving the ability of Hydrogen production and the reduction of water with Lorentz forces are promising. The results once fully verified, can subject to publications or even patents. The project may deliver additional results by the end of the project that the partnership may wish to exploit. In this case the Consortium (headed by the Exploitation Manager) will discuss use of such results on a case-by-case basis. For the management of knowledge, the consortium and the Exploitation Manager are regularly monitor and evaluate possibilities of IPR. The consortium has already defined future activities to discuss and evaluate raising questions. According to the initial plan, at the next general meetings these discussions will take place. At all upcoming meetings as session will be devoted to IPR and exploitation issues to further specify the plans of the consortium. Any third parties that may involve in exploitation will sign a non-disclosure agreement.

The Push out of Texas Essays -- History Settlement Papers

The Push out of Texas A rich part of American history takes place in Texas around the early to middle part of the nineteenth century. During this time period, Texas became a region of American settlement. The price to pay for that settlement, however, ranged on a variety of levels for the different cultures and races of people living there. During this time period, three different groups of people lived in this region. These groups included the Cherokee Indians, Mexicans, and European settlers. Before times of conflict, these three ethnic groups coexisted on the land in peace. However, the Mexican-American War of 1836 changed the region of Texas. After the war, the American settlers pushed for the removal of the Mexicans and Cherokee Indians off the land through the use of force and deceit. One of the groups of people to endure the price of discrimination, violence, and hatred, just to become American citizens, were the Mexican-Americans. The lives of the Tejanos, or Texas Mexicans, were abused and disgraced religiously, economically, politically, and morally due to the prejudices of the southern states and the Mexican War. The name itself, Mexican-Americans, defines these people as citizens of the United States who can trace their ancestry or history back to Mexico. In the nineteenth century, a dominant characteristic of the Mexican-Americans was their cherished Roman Catholic faith. During the Texas Revolution, Texan rebels knew that one way to infuriate the Tejanos was to destroy their places of worship. A good example of the rage can be seen at the site of Fannin’s Massacre, which took place in a town named La Bahia, Texas. This town was once an important port with thousands of residents. After the destruction ... ...Texas. Library of Congress. 1964. Gregory, Jack. Sam Houston with the Cherokees. University of Texas Press. 1967. Jones, Oakah L. Santa Anna. Twayne Publisher, Inc. New York, New York. Montejano, David. Anglos and Mexicans in the Making of Texas, 1836-1986. Austin: University of Texas Press, 1987: 15-99. Moore, Francis Jr. Map and Description of Texas 1840. New York: Tanner and Disturnel, 1840. Presley, James. â€Å"Santa Anna’s Invasion of Texas: A Lesson in Command.† Arizona and the West. 10(3) (October, 1968). 241-252. "Rethinking History and the Nation-State, Mexico and the United States as a Case Study." The Journal of American History. Sept. 1999: 439-455. Rosenbaum, Robert J. History of Mexican Americans in Texas. Boston: American Press, 1980. Treaty of 1836: (http://members.aol.com/_ht_a/txcherind/thompson-mccoy_chickasawchoctaw/1836.html)

Praise Song for my Mother by Grace Nichols Essay

The poem, as the name suggests is a song where the poet is rejoicing her relationship with her mother by making use of simple but powerful imagery. It is important to note that unlike the commemorative poems that are usually written by Western writers, â€Å"Praise for My Mother† does not have a requiem like elegiac mood. The overall tone of the poem is pleasant. â€Å"Praise Song† is a panegyric on the writer’s mother. in which she celebrates a woman who gave her both roots to grow from and wings to fly with. Writing about her own mother, Nichols once commented that she was a ‘†¦ warm, intelligent, loving woman who was full of stories, anecdotes and songs from her own childhood. People loved being around her and I can’t remember a single day when our home wasn’t visited by some friend, neighbour or relative who had dropped in â€Å"just fuh [sic] minute† but ended up staying hours. ‘ Starting with the vocabulary, it is vivid but hard-hitting. The writer uses the images of water, moon and sun- all powerful symbols of nature, to describe her mother’s character which shows her strength of personality and the extent of her love and affection towards her. The red colour of the fish’s gills is reminiscent of the maternal love; a break from the clichi d usage of the colour red in â€Å"standard† English literature where the colour is usually associated with sensuality. Talking about the lyrical style, a look at the formative years of Grace Nichols in Guyana may shed some light on her writing and choice of subject. She was born into a world of books and music. Her father was a head teacher and at home she was surrounded by books – she was fascinated by the kingdom of books and language. Her mother used to give piano lessons. The first 8 years of her life that she spent in a village left an imprint on her that shows in the poem as well; the rhythm of music and the beat of pan, the call of the fisherman and the fruit vendor, the odour of mud and salt when she went crab hunting (â€Å"the crab’s leg†), the whole of the morning sky, the whole of the evening sky, (â€Å"sunrise† and â€Å"moon’s eye†). The poem is also repetitive, ‘replenishing replenishing’. The poet may have opted for this because it brings a sense of childhood as a young child would repeat words. Nichols wants to use this effect because the repetitive content relates to a child’s attitude, which will then recall the memories Nichols had of her mother when she was a child. Food is a very important part of Caribbean culture and tradition. The home-cooked food is something that does not have any alternative. The writer’s memory of her mother is not complete without thinking about or mentioning the food she used to cook. This intensifies the sacrifice that the writer’s mother had to make for her daughter’s brighter, â€Å"Wide futures†. As Nichols once pointed out, â€Å"Like a beacon in London, every now and then I get this craving for my mother’s food. I leave art galleries in search of plantains, salt fish, sweet potatoes; I need this link, I need this touch of home, swinging my bag like a beacon against the cold. † Praise song for my mother Fat Black Woman Tropical Death Grace Nichols puts the image across that the issue of culture is extremely important to her. Through her poems we understand that she is confused of her identity. When she moved to London she felt as though she was living in an alien world. Grace Nichols was longing for a cultural identity in Britain and she tends to describe Britain negatively and the Caribbean positively. This is why throughout the poems she applies her own dialect of Creole, which is the official dialect of the Caribbean. She also uses Creole because she feels as though she should preserve it. She maintains that her Caribbean language is ‘genuinely exciting’ and that Creole’s aspects are very vivid which concludes her to believe that there is no equivalent in the English language. Nichols has successfully carved a niche for her culture and poetry in the existing canon of complex poets and poetry by writing in a laymen’s register. This is a poetry that everyone can understand and read. This is a poetry that everyone can identify with. This is the poetry the Nichols has written for her countrymen, for her mother, for her roots- it is a tribute to her roots back at home. We get a clear sense of this in ‘Praise Song for My Mother’, in which she talks of a mother who is ‘deep and bold and fathoming’ and who ‘replenishes’ her whenever she needs comfort.

Definition and Examples of Colligative Properties

Definition and Examples of Colligative Properties Colligative Properties Definition Colligative properties are properties of solutions that depend on the number of particles in a volume of solvent  (the concentration) and not on the mass  or identity of the solute particles. Colligative properties are also affected by temperature. Calculation of the properties only works perfectly for ideal solutions. In practice, this means the equations for colligative properties should only be applied to dilute real solutions when a nonvolatile solute is dissolved in a volatile liquid solvent. For any given solute to solvent mass ratio, any colligative property is inversely proportional to the molar mass of the solute. The word colligative comes from the Latin word colligatus, which means bound together, referring to how the properties of a solvent are bound to the concentration of solute in a solution. How Colligative Properties Work When a solute is added to a solvent to make a solution, the dissolved particles displace some of the solvent in the liquid phase. This reduces the concentration of the solvent per unit of volume. In a dilute solution, it doesnt matter what the particles are, just how many of them are present. So, for example, dissolving CaCl2 completely would yield three particles (one calcium ion and two chloride ions), while dissolving NaCl would only produce two particles (a sodium ion and a chloride ion). The calcium chloride would have a greater effect on colligative properties than the table salt. This is why calcium chloride is a more effective de-icing agent at lower temperatures than ordinary salt. What Are the Colligative Properties? Examples of colligative properties include  vapor pressure  lowering, freezing point depression, osmotic pressure, and boiling point elevation. For example, adding a pinch of salt to a cup of water makes the water freeze at a lower temperature than it normally would, boil at a higher temperature, have a lower vapor pressure, and changes its osmotic pressure. While colligative properties are generally considered for nonvolatile solutes, the effect also applies to volatile solutes (although it may be harder to calculate). For example, adding alcohol (a volatile liquid) to water lowers the freezing point below that ordinarily seen for either pure alcohol or pure water. This is why alcoholic beverages tend not to freeze in a home freezer. Freezing Point Depression and Boiling Point Elevation Equations Freezing point depression may be calculated from the equation: ΔT iKfmwhereΔT Change in temperature in  °Ci van t Hoff factorKf   molal freezing point depression  constant or cryoscopic constant in  °C kg/molm molality of the solute in mol solute/kg solvent Boiling point elevation may be calculated from the equation: ΔT Kbm whereKb   ebullioscopic constant (0.52 °C kg/mol for water)m molality of the solute in mol solute/kg solvent Ostwalds Three Categories of Solute Properties Wilhelm Ostwald introduced the concept of colligative properties in 1891. He actually proposed three categories of solute properties: Colligative properties depend only on solute concentration and temperature, not on the nature of the solute particles.Constitutional properties depend on the molecular structure of the solute particles in a solution.Additive properties are the sum of all the properties of the particles. Additive properties are dependent on the molecular formula of the solute. An example of an additive property is mass.

buy custom Challenges in Multi-Generational Staff in the Nursing Profession essay

buy custom Challenges in Multi-Generational Staff in the Nursing Profession essay A pestilent menace plagues the nursing profession. Generational mistrust has ruined the social civility in the workplace, with dire consequences. Generational antagonism in value systems has led to toxic work environments where nursing staff are making the drastic decisions to quit the profession for good. Research is pointing to fact that nurse have a different work environment from other medical persons that needs to be improved inclusively (Wilson, Squires, Widger, and Cranley Tourangeau, 2008); On the contrarily, critics are quick to point out the observable difference in viewpoints that nurses have on their unit climate whereby blame has been heaped on the blatant incivility among nurses of different generations towards each other to encourage teamwork (Leiter, Price Spence, 2010). Broad reforms are necessary in the nursing work environment to ensure that the profession mitigates loss in confidence due to wanting integrity. Stakeholders have been called upon to help organize n urses to curb forecasted future shortages of nurses due to poor working environment and culture. The purpose of this report is to highlight the problems that exist in the workplaces in which nurses are continually exposed to, the price the stakeholders might have to pay in future for the destructive trend, some feasible solutions available for consideration and a brief conclusion of the report. Introduction Generational differences have caused mayhem in the social relationships among nursing staff (Kupperschmidt, 2006). Intergenerational conflicts are an issue of concern for the stakeholders in the sector, and one in need of immediate redress. Each generation has various strengths and vulnerabilities inherent in its value systems. Opposing generations of nurses are operating the same profession without proper guidance to help bridge the generational gap observable in culture, professionalism ethics and information. Different age groups of nurses occupy different ranks within the management ladder and thus conflict and discord are bound to happen due to generational discrepancy. Young nurses find themselves dealing with stressful work environment stereotypically created by the older generation as a result of working consistently in poor working environment. Sharp opposition to old value such as hard-work have lost value in the system following a change in economic perspective whereby nur se are concern to know if their effort is appreciated through motivational reward schemes. Leadership Problems in Nursing Generational differences subsist in the workplaces among the nurses. According to Leiter, Price, Spence, (2010), there is a lot of tension between the generation X nurses and the Baby Boomer nurses in their social interactions. The generation X workers experienced more disharmonies from their coworkers mainly from the Baby Boomer generation. The supervisors were also more impolite to the generation of nurses. Cynicism and disillusioned attitude was quite clear observable in younger nurses than older nurses general because of financial motivation differences whereby older nurses earn more and feel secure in their jobs having climbed the professional ladder. On the contrary, younger nurses appear to suffer more psychological trauma in comparison to their older counterparts, despite the expected health and emotional resilience attached to the youth (Leiter, Price Spence, 2010). Researchers attribute this burnout phenomenon to the fact that the younger nurses are newer to the hostile workplace environments. Before they join the workplaces, young nurses spirits and imaginations were expecting a supportive and encourage work place that could encourage growth in both career and social environment; nevertheless, overworking and insignificant rest patterns have infuriated the generation X nurses. The socially unwelcoming environment therefore causes them distress and disappointment. Habitual work dissatisfaction easily causes uncivil behavior in work environments leading to poor productivity (Leiter, Price Spence, 2010). The older generation of nurses is more familiar to the hostile environment after adapting to the workplace activities and eventually learning to survive the inhospitable workplace. Many young nurses are quitting the nursing profession due to consistent misunderstanding because of difference in social culture and tactics of solving workplace conflict whereby young nurses feel intimidated by their older peers (Leiter, Price Spence, 2010). The hostility from older coworkers forces younger nurses to withdraw from the workplaces and eventually abandon the profession altogether. Therefore, literary there exists a brain drain in the nursing work profession following high movement of young nurses of the workforce into other professions. Quitting is a major concern for the career, and requires immediate and urgent attention before the profession suffers from serious shortage of nurses. Shortage of nurses could jeopardize the entire health care system with devastating impacts whereby health consumers are likely to face health hazards since nurses administer drugs as directed by physicians. The government and healthcare stakeholders are challenged to change the nursing c ulture in order to attact more young people into the nursing profession. Supervisor social conflict has greater negative impact than coworker incivility on the job dissatisfaction to the nursing profession (Leiter, Price Spence, 2010). Young nurses like to be free and unsupervised since they believe to be qualified to handle nursing profession before graduating and therefore any attempt to monitor and supervise creates a psychological strain that forces female nurses to withdraw from the profession. The decision to change profession is mainly caused by social incoherence that are traceable between superiors and young nurses who hold a different view about decision making and career actualization. Lack of regular motivation is the main cause of social chaos in many healthcare facilities since nurses feel ill-paid and unappreciated for their effort through school and late in work. Job satisfaction is low among the younger nurses because of low pay compared to the economic needs (Leiter, Price Spence, 2010). Research has shown that younger generations of nurses need closer attention than the older generations for them to derive greater satisfaction from their professions. Recurrent psychological reinforcement of the younger nurses shows that they do their work better, and makes them better off and more effective in the work environments. In short, work relationships, psychological well-being, and work performance have a very high correlation to the wellbeing of younger nurses than older nurses. Nursing Leadership Concepts Managing Change Managing change calls for visionary leadership team that can see beyond the traditional leadership roles (Wilson et al., 2008). A team that can deliver this kind of performance has to be multigenerational, so that all perspectives are included in deciphering the opinion of the future. A multigenerational leadership is also all encompassing of all generation and creates a sense of amicable and reassuring coexistence in the nursing community. Leadership vs. Management Leadership and management are two different things. Leadership is the process of inspiring the workforce to achieve certain goals while management is about making the workforce achieve the same goal through a finite strategy. Leadership therefore, calls for greater commitment and involvement as a team to develop the strategy and tactics that can deliver result for the healthcare goal. That is why Wilson and et al. proposes two leadership styles that if applied can help deal with staff retention and provide a mechanism for easier health care service delivery. The first proposition is transformational leadership and the second is transactional leadership. One factor unifies the two; the goal remains similar. In transformational leadership, the top management inspires the staff, as the ultimate human resource that makes important decisions. Recognition is equally an important aspect of motivating nurses to work. In transactional leadership, the workers do not necessarily share in the or ganizations goal; therefore, management has to come up with other methods of making nurse work by using incentives such as bonuses or rewards to motivate the workers to achieve the targets and other measures that can inspire nurses to work and provide efficient services. Overall, leadership is more inclusive while management is more impersonal to the needs of the workers in question. Ethics Nursing Wilson et al. (2008) observes that discrimination is quite popular when preparing the work schedule that usually favors older generation of nurses over the younger generation of nurses who are mostly assigned to inhospitable night shifts and early morning work. Younger generation of nurses are less concern about scheduling if motivational payment is included unlike the Baby Boomer nurses hold schedules with high cultural regard. Older generations are out of favor with the immediately preceding generation. Although this does not suggest that scheduling be strictly in favor of the Boomer generation of nurses, special consideration are necessary so that all groups feel comfortable as they work. Delegation Delegation of duties among nurses is a highly debated topic. A career prospect is one of the issues facing the strain in the nursing profession. Delegation could be one of the most efficient ways to achieve this goal. By delegating, a nurses commitment and loyalty to the profession is increases, and the possibilities of quitting in search of greener pasture reduce. Notwithstanding the widely divergent views on delegation among various leaders, the practice should be help to retain nurses, especially generation X nurses who give more want assurance about personal career growth. Findings Leiter, Price Spence, (2010), have found out that the dominant generation generally feels more comfortable working in the present environment than younger nurses because of the fact that older nurse have adapted to working conditions and the peer teamwork. The major reason for this is the commonality in the values concerning most issues annd therefore the sense of belonging is fostered through the abundant support and sharing among the nurses in the institution among the generation members. Therefore, to close in the generational gap, a change in work environment is necessary to give more attention to the younger generation of nurses who need to get experience to teach the future nurses the practical hospital experience. Possible Solutions There is urgent need to create and cultivate more supportive and fruitful relationships between the conflicting generation of nurses to ensure that work is effective and the workers coexist in a better working environment. Workplace relationships are of key importance to the effectiveness and the job satisfaction the nurses derive from their jobs (Leiter, Price Spence, 2010). There are many victims born of the uncivil relationship between nurses of the different generations (Leiter et al., 2010). Not only do the nurses themselves lack psychological support and motivation in the workplace but also the eventual service delivery to the patients suffers in quality as the battered moods translate to the patients. Leiter, Price Spence, (2010), recommend the implementation of initiatives to cultivate more empathetic work environments. The management of the hospitals is at the prime and paramount position to make sure that this aim is achievable. The better work relationships that will result from such initiatives will develop the nursing culture that creates a greater sense of belonging in the community of nurses in a certain health care facility, and the work performance will increase, as well as job satisfaction the nurses will derive from their work. Dialogue should be nurtured among the various nurses in civil forums where each group can raise their concerns and come up with a solution that works for everybody (Leiter, Price Spence, 2010). Organizational development techniques such as CREW (Civility, Respect, and Engagement in the Workplace) are steps in the right direction, and could achieve results beyond imagination in the creating of more amicable work conditions for nurses of all generations. Programs should exist to ensure that work relationship among different generations take off on the right footing. The relationship between nurses from the beneficial perspective right from the very beginning of the work relationship is necessary. Some of the ideas floated by the researchers include the introduction of graduate mentorship programs. Such initiatives will project the importance each generation has to play in the work environment and grow the relevance and importance each of the generation sees in the other in the work environment. A sense of belonging and community is possible in an environment where the individual roles of each person are recognized and respected, and the position of each individual accepted and given the regard and understanding, it deserves, especially in the case of the younger nurses who are freshly joining the profession. Each generation of nurses holds different perspectives on leadership (Geisen, 2010). Conflict with the management is the single most influential factor to the deterioration in workplace relationships and perspectives in the profession to many young nurses. The senior management needs to realize the diversity in opinion each of the individuals in the workforce brings to the table and consider them in their management styles. The draining of nurses from the profession is reducible using this tactic. According to Wilson et al. (2008), lack of job satisfaction is the one of the major factors forcing nurses to quit the profession anticipating better pay and working conditions in other professionals like the financial sector. Factors that influence job satisfaction include praise and recognition, pay and benefits, satisfaction with scheduling, control, and responsibility. As such, it is of the essence that strategies are in place to ensure nurses and especially the younger nurses who form majority of those abandoning the profession, are working and happy. Information has improved the efficiency of the health care system (Geisen, 2010). Younger nurses are more receptive and proficient in the use of information technology, which some of the older generation of nurses may have considerable skepticism for. This may cause further conflict among the generations. Embracing the ways of thinking of different generations could go a long way in mending the relationship between generations and help in the retention of nurses in the profession. Conclusion One thing is clear from this discussion; the relationship between generations X and baby boomers nurses can only be empowered to greater good of the profession if each generational case is taken into consideration to satisfy every social need. The various needs of all generations of nurses which make them want to quit the profession are easily seen from the extensive research that has been done this far. The ball is now in the policy makers court to go ahead and implement the strategies to ensure crises do not occur in future because of nurses abandoning the profession. Buy custom Challenges in Multi-Generational Staff in the Nursing Profession essay

Mathematical Properties of Waves

Mathematical Properties of Waves Physical waves, or mechanical waves, form through the vibration of a medium, be it a string, the Earths crust, or particles of gases and fluids. Waves have mathematical properties that can be analyzed to understand the motion of the wave. This article introduces these general wave properties, rather than how to apply them in specific situations in physics. Transverse Longitudinal Waves There are two types of mechanical waves. A is such that the displacements of the medium are perpendicular (transverse) to the direction of travel of the wave along the medium. Vibrating a string in periodic motion, so the waves move along it, is a transverse wave, as are waves in the ocean. A longitudinal wave is such that the displacements of the medium are back and forth along the same direction as the wave itself. Sound waves, where the air particles are pushed along in the direction of travel, is an example of a longitudinal wave. Even though the waves discussed in this article will refer to travel in a medium, the mathematics introduced here can be used to analyze properties of non-mechanical waves. Electromagnetic radiation, for example, is able to travel through empty space, but still, has the same mathematical properties as other waves. For example, the Doppler effect for sound waves is well known, but there exists a similar Doppler effect for light waves, and they are based around the same mathematical principles. What Causes Waves? Waves can be viewed as a disturbance in the medium around an equilibrium state, which is generally at rest. The energy of this disturbance is what causes the wave motion. A pool of water is at equilibrium when there are no waves, but as soon as a stone is thrown in it, the equilibrium of the particles is disturbed and the wave motion begins.The disturbance of the wave travels, or propogates, with a definite speed, called the wave speed (v).Waves transport energy, but not matter. The medium itself doesnt travel; the individual particles undergo back-and-forth or up-and-down motion around the equilibrium position. The Wave Function To mathematically describe wave motion, we refer to the concept of a wave function, which describes the position of a particle in the medium at any time. The most basic of wave functions is the sine wave, or sinusoidal wave, which is a periodic wave (i.e. a wave with repetitive motion). It is important to note that the wave function doesnt depict the physical wave, but rather its a graph of the displacement about the equilibrium position. This can be a confusing concept, but the useful thing is that we can use a sinusoidal wave to depict most periodic motions, such as moving in a circle or swinging a pendulum, which dont necessarily look wave-like when you view the actual motion. Properties of the Wave Function wave speed (v) - the speed of the waves propagationamplitude (A) - the maximum magnitude of the displacement from equilibrium, in SI units of meters. In general, it is the distance from the equilibrium midpoint of the wave to its maximum displacement, or it is half the total displacement of the wave.period (T) - is the time for one wave cycle (two pulses, or from crest to crest or trough to trough), in SI units of seconds (though it may be referred to as seconds per cycle).frequency (f) - the number of cycles in a unit of time. The SI unit of frequency is the hertz (Hz) and1 Hz 1 cycle/s 1 s-1angular frequency (ω) - is 2Ï€ times the frequency, in SI units of radians per second.wavelength (ÃŽ ») - the distance between any two points at corresponding positions on successive repetitions in the wave, so (for example) from one crest or trough to the next, in SI units  of meters.  wave number (k) - also called the propagation constant, this useful quantity is defined as 2 Ï₠¬ divided by the wavelength, so the SI units are radians per meter. pulse - one half-wavelength, from equilibrium back Some useful equations in defining the above quantities are: v ÃŽ » / T ÃŽ » fω 2 Ï€ f 2 Ï€/TT 1 / f 2 Ï€/ωk 2Ï€/ωω vk The vertical position of a point on the wave, y, can be found as a function of the horizontal position, x, and the time, t, when we look at it. We thank the kind mathematicians for doing this work for us, and obtain the following useful equations to describe the wave motion: y(x, t) A sin ω(t - x/v) A sin 2Ï€ f(t - x/v)y(x, t) A sin 2Ï€(t/T - x/v)y(x, t) A sin (ω t - kx) The Wave Equation One final feature of the wave function is that applying calculus to take the second derivative yields the wave equation, which is an intriguing and sometimes useful product (which, once again, we will thank the mathematicians for and accept without proving it): d2y / dx2 (1 / v2) d2y / dt2 The second derivative of y with respect to x is equivalent to the second derivative of y with respect to t divided by the wave speed squared. The key usefulness of this equation is that whenever it occurs, we know that the function y acts as a wave with wave speed v and, therefore, the situation can be described using the wave function.

Human Rights Essay Example | Topics and Well Written Essays - 750 words

Human Rights - Essay Example The verdict received mixed reactions with lawyers informing unsatisfied citizens that they will prepare for an appeal as the verdict had various loopholes (Carlstorm, 2012). On the other hand, according to New York Times newspaper, protest has erupted in the street of Cairo with protestors claiming that some of the important evidence was withheld by the court. In addition, the court acquitted some of the low ranked officials an act that agitated some of the protestors (Kirkpatrick, 2012). The news of sentencing of former strong man in Egypt is supposed to raise alarm to the leaders of African continent together with other countries who have been associated with dictatorial rule. The verdict came days after the sentencing of former Liberian president Charles Taylor by The International criminal court creating a clear signal that it is the high time that leaders drop behavior of impunity and uphold democracy irrespective of their position in the government. Nevertheless it is important for the organs responsible to look for the solution to the grievances that are raised by the protestors in order to prevent the repeat of the events that occurred sixteen months ago in the country. Human trafficking Human trafficking can be simply defined as an illegal trade that involve human beings who are exported to other countries for the purpose of becoming slaves, be sexually exploited or be forced to offer their labor (Shelley, 2010, p. 4). Different bodies are entitled with ensuring that human rights are protected in different countries in the world. Nevertheless, United Nation is the body that is entitled with protecting human rights in the world. As a measure to protect universal human rights, Universal Declaration of Human Rights (UDHR) was formed. The main aim of these rights was to define human rights that are entitled to all humans despite their race and location. The declaration was regarded as one of the remarkable change that the world achieved in the 20th century . This is because the move saw a remarkable decrease in cases of impunity that were previously experienced by local people who were traded as slaves. The declaration categorized human rights in three categories. First category is civil and political rights that mainly put focus on individual rights and protection of people from government interference. Second form of UDHR rights is social and economic rights that focuses on equality of people and government responsibilities on its citizens. Last form of UDHR rights are solidarity rights, which focuses on global cooperation and redistribution of the opportunities (Shelley, 2010). In addition, United Nation sets out different actions that a state or individual is to be subjected to if suspected to be supporting human trafficking. This move have reduced human trafficking tremendously as UN acts as a watchdog to such cases an aspect that has instilled fear to the traders. Nevertheless, the mandate of enforcing the human rights that woul d see reduced human trafficking cases is left to the individual states. A great stride was made with the formation of international criminal court at Hague, Netherlands whose main mandate is to try crimes against humanity e.g. human trafficking an aspect that has reduced the act as the perpetrators fear being tried in the court. Despite the effort by united nation to enforce human rights, some of countries such as United States

African american racial status in the 21st century Essay

African american racial status in the 21st century - Essay Example Racism has been a curse for the American society from its birth in 1751. It has stained the nation’s identity with the African-American’s blood for years until the Civil War in **** and the 13th Amendment. Though the 13th Amendment in the US constitution was a resistive response of the most progressive and conscientious part of the US society to the barbaric practice of slavery, slavery had not been wiped out from the society overnight. Racism was so much deep rooted in an American’s heart that the enactments of anti-slavery laws and the relevant amendments in the US Constitution were merely to redirect a racial mind to find alternatives for white superiority over the Black. Indeed the amended Constitution provided the legal safeguard to the Black, barring the practice of slavery at the state level as well as, to the extent the state could interfere into the public affairs. But it could do nothing to bring about the changes in the culture and the society that int rinsically nourished the racial hostility against their former slaves. The inbred racism in the Americans’ heart continues to discriminate between the White and the Black until today. Therefore the 14th and 15th Amendment with along with numerous other subsidiary laws and government-induced initiatives has been required to wipe out the remainders of racism from the American society. But the question whether racism and discrimination against the African-American black have been wiped out from the society may engender a lot of debates since the question itself is ambiguous. Inbred Racism and Racism in the Heart of America A close analysis of the status of racism in American society in the late 20th century and the 21st century will reveal that America has been significantly successful in wiping out the all the institutional and constitutional racisms. But non-formal and non-institutional racisms still are prevailing in the society. In this regard, Saeed Shahbaazz says, â€Å"A CNN/Opinion Research Corp. poll, released in December 2006, stated that most Americans, White and Black, see racism as a lingering problem in the United States.† (1). Though racisms at institutional levels are discernible, at non-institutional level they remain out of the reach of the public eye. These non-institutional racisms at the private level are be found by close observational or empirical research. In this paper I will discuss the findings of two such empirical research papers on inbred and institutional racisms. Discussion about the new form of Racism in the 21st Century Racism at the less the private level has been revealed in various researches that were led in the 21st century’s context. One such research article is â€Å"A Fly in the Buttermilk† by Devis et al. In their article, â€Å"â€Å"A Fly in the Buttermilk†: Descriptions of University Life by Successful Black Undergraduate Students at a Predominately White Southeastern Universityâ₠¬  Davis et al explores deep into the self-realization -from the student’s perspective- of a non-white minority student about his or her position among the white majority. The title of their study explicitly asserts the concerns of the Successful Black Undergraduate Students with their University Life among white majority. The researchers prudently selected 11 black students as the participants of their study. Davis et al’s purposed selection of the successful participants can be justified on the pointed that information and experiences provided by the participants would remain free of any fear of being discriminated. The participants were chosen ensuring the following conditions: a. successful students were chosen, because they experienced the full, 2. successful students would be free of being the victim of racial discrimination academically, 3. these students would be able to track any change during their four or five years graduation. Devis et al’s research shows that even in the 21st centur

Explore how or not Song of the night matures over the course of the Essay

Explore how or not Song of the night matures over the course of the novel - Essay Example While pieces are systematically laid at differing corners, the distinguished soldier and the named student seem to have very detached lives save for their joint interest in go. After meeting in the core of the books disjointed plot lastly comes together and the narrative goes from a palpable false sense of distinct light-heartedness to a tragic notable confrontation at eventual breakneck speed. The exhibited second half can be well read in exposed half the time. The song helps in outlying or foretelling the gradual turnaround of the novel from fairly harmonious start to eventual sad end.   Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  The book is told in discontinuous chapters by a Chinese teenager-going on sixteen at the beginning of the book in a Manchurian urban in the 1930s-and a Japanese fighter who ultimately comes to be posted in the region.  Manchuria has been settled by the Japanese for numerous years as the account opens, but there is an energetic insurgency pressure group. The girl, though, lives a relatively cool sheltered life. Her immense passion (and aptitude) is the pastime of go which is an ancient strategic board game accepted in Far Eastern Asia. This is equivalent in complexity to chess, and she mostly spends much of her occasion playing in the communal Square of a Thousand Winds-a location where players come for popular pick-up games of go and a place she generally effortlessly beats all comers. The girl is quickly maturing, and turns out to be sexually active over the process of the novel. However, go forever remains an interest she can indeed relate with or ret urn to. Something she can center on where she is in control and wherever she can be assured of the rules notable abilities. While singing the song, there is mirroring of both the plays on men and women similar to the disagreement between China and Japan which is a conflict that systematically progresses locally in those matching small moves as

Nursing research Essay Example | Topics and Well Written Essays - 750 words

Nursing research - Essay Example However, the hospital cannot involve the four nurses in the pediatric ward, which consequently requires the identification of one nurse who has extra training on children care. The identified nurse will be given the responsibility of equipping nurses with skills to assess, manage, and control pain in children. In addition, the pain nurse will provide the pediatric ward nurses with the skills to incorporate parents during pain management in order to provide personalized care. Resources required for proposed change In order to achieve successful implementation of any program, or proposed change, it is essential to allocate adequate resources that supported the implementation of the proposed change. In line with this, the fundamental resources required to implement this proposed change are not financial in nature, but they revolve around the availability of human resources in the hospital. In this case, the hospital requires a pain nurse who has pediatric training in order to handle the lead role of pain management in the hospital’s pediatric ward. On the other hand, the nurse requires the resource of time to train nurses in the pediatric ward and equip them with the skills required to assess, manage, and control pain in children. In line with this, financial resources will play an essential role in providing the materials required for training. Methods for monitoring solution implementation A program that is not monitored during its implementation can fail to achieve its objectives. In line with this, it is important to monitor a program in an approach that was effective and efficient in order to take corrective measures and promote the likelihood of achieving success. As the person responsible for this program, I will engage my mentor and the pain nurse in the monitoring process. In this case, my mentor and I will gather data from the nurses in the pediatric ward using a questionnaire that tested the efficacy of the program in the processes of assessing, managing, and controlling pain in children in this ward. Through a comparative analysis of this data, we will be able to identify the areas in the program that required improvement in order to promote the quality of care in patients. Conversely, I will ask the pain nurse to keep a record of the incidents that she witnesses as pediatric nurses manage pain in the wards. In effect, I will identify practices that required correction and develop approaches that corrected these approaches together with the pain nurse who will engage in the implementation process. Theory of planned change McNiff developed an eight-step model of action research that was instrumental in the implementation of this planned change. Primarily, the theory of planned change begins with a review of a nursing practice that identifies the change required. In this case, the review identified the need to manage pain in the hospital in an effective approach. Subsequently, the theory proposed a visualization of the way f orward, which provides the vision for developing the program with the fifth step involving the implementation of this program while using the action aid developed. During the process of implementation, it is important to engage in the process of monitoring the progress of the implementation process with the monitoring process providing corrective approaches that require evaluation. These approaches should be continuously implemented in order to achieve the

Statistics EXAM Speech or Presentation Example | Topics and Well Written Essays - 3750 words

Statistics EXAM - Speech or Presentation Example To test if a trend exists relating the GPA and the mother’s age at the birth of the child, regression analysis may be used. A simple linear regression is used in this particular calculation. The following table is set up from the raw data. It should be noted that the independent variable is the age at birth while the dependent is the GPA. Since 0.632, H0 cannot be rejected. There is insufficient evidence to support that a relationship exists between the mother’s age at the time of the child’s birth and the corresponding intelligence (as measured by GPA). The number of samples is determined based on the target error and confidence. Since no estimate of the proportion is given, a conservative value of 0.5 is to be used. The resulting calculations are shown as follows: Evaluating the scores of standardized examinations revolve largely around the normal distribution. From this particular problem, the SASS scores differ from the raw scores provided. In order to normalize the values the raw scores must be converted into z-scores and applied to the mean and standard deviation of the SASS. The equivalent z-scores for 151, 140, and 136 are computed below: Interpreting these scores as percentiles show that Robert, Ann and Carlos have percentiles at 90.32%, 77.34%, and 70.88% respectively. To normalize into the SASS standard scores, the z-scores are used with the mean and standard deviation standards. This is shown as follows: Assuming that no correlation exists between the high school GPA and the SASS score, the percentage of the applicants that are denied admission can be determined from the z-score equivalent of 60 on the SASS: From the z-score table, this corresponds to a cumulative probability of 0.7486 from the left. This means that 74.86% of the applicants have a SASS score below 60 and cannot be admitted into the university. This story is very much

Leadership Essay Example | Topics and Well Written Essays - 250 words - 49

Leadership - Essay Example In Kuwait, Sara Akbar is the female Chief Executive Officer of Kuwait Energy agency (Thomson, 2011). The leadership keys and concepts contribute to leading my new company’s generating high business revenues. My academic knowledge, Bachelor in Library and Information Science, honed my business leadership skills. The textbook concepts equip me to lead others to meet prescribed business goals. Similarly, my being born with leadership skills ensures I can catapult my subordinates to increase their current production and sales outputs (Nohria, 2013). My preference for a business degree is pegged on one concept. The concept states more women will become Saudi Arabia’s future leaders. Within less than six years, more women leaders are capable of leading others. Many family businesses located in Saudi Arabia include women business leaders (Barrett, 2009). Based on the above discussion, women can be equally effective business leaders. Library textbook knowledge hones the women’s business leadership prowess. My academic background ensures will be one of Saudi Arabia’s future leaders of change. Evidently, women like me can be equally effective Saudi Arabian business

Nursing research Essay Example | Topics and Well Written Essays - 750 words

Nursing research - Essay Example However, the hospital cannot involve the four nurses in the pediatric ward, which consequently requires the identification of one nurse who has extra training on children care. The identified nurse will be given the responsibility of equipping nurses with skills to assess, manage, and control pain in children. In addition, the pain nurse will provide the pediatric ward nurses with the skills to incorporate parents during pain management in order to provide personalized care. Resources required for proposed change In order to achieve successful implementation of any program, or proposed change, it is essential to allocate adequate resources that supported the implementation of the proposed change. In line with this, the fundamental resources required to implement this proposed change are not financial in nature, but they revolve around the availability of human resources in the hospital. In this case, the hospital requires a pain nurse who has pediatric training in order to handle the lead role of pain management in the hospital’s pediatric ward. On the other hand, the nurse requires the resource of time to train nurses in the pediatric ward and equip them with the skills required to assess, manage, and control pain in children. In line with this, financial resources will play an essential role in providing the materials required for training. Methods for monitoring solution implementation A program that is not monitored during its implementation can fail to achieve its objectives. In line with this, it is important to monitor a program in an approach that was effective and efficient in order to take corrective measures and promote the likelihood of achieving success. As the person responsible for this program, I will engage my mentor and the pain nurse in the monitoring process. In this case, my mentor and I will gather data from the nurses in the pediatric ward using a questionnaire that tested the efficacy of the program in the processes of assessing, managing, and controlling pain in children in this ward. Through a comparative analysis of this data, we will be able to identify the areas in the program that required improvement in order to promote the quality of care in patients. Conversely, I will ask the pain nurse to keep a record of the incidents that she witnesses as pediatric nurses manage pain in the wards. In effect, I will identify practices that required correction and develop approaches that corrected these approaches together with the pain nurse who will engage in the implementation process. Theory of planned change McNiff developed an eight-step model of action research that was instrumental in the implementation of this planned change. Primarily, the theory of planned change begins with a review of a nursing practice that identifies the change required. In this case, the review identified the need to manage pain in the hospital in an effective approach. Subsequently, the theory proposed a visualization of the way f orward, which provides the vision for developing the program with the fifth step involving the implementation of this program while using the action aid developed. During the process of implementation, it is important to engage in the process of monitoring the progress of the implementation process with the monitoring process providing corrective approaches that require evaluation. These approaches should be continuously implemented in order to achieve the

Leadership Essay Example | Topics and Well Written Essays - 250 words - 49

Leadership - Essay Example In Kuwait, Sara Akbar is the female Chief Executive Officer of Kuwait Energy agency (Thomson, 2011). The leadership keys and concepts contribute to leading my new company’s generating high business revenues. My academic knowledge, Bachelor in Library and Information Science, honed my business leadership skills. The textbook concepts equip me to lead others to meet prescribed business goals. Similarly, my being born with leadership skills ensures I can catapult my subordinates to increase their current production and sales outputs (Nohria, 2013). My preference for a business degree is pegged on one concept. The concept states more women will become Saudi Arabia’s future leaders. Within less than six years, more women leaders are capable of leading others. Many family businesses located in Saudi Arabia include women business leaders (Barrett, 2009). Based on the above discussion, women can be equally effective business leaders. Library textbook knowledge hones the women’s business leadership prowess. My academic background ensures will be one of Saudi Arabia’s future leaders of change. Evidently, women like me can be equally effective Saudi Arabian business

The Adventures of Huckleberry Finn Essay Essay Example for Free

The Adventures of Huckleberry Finn Essay Essay Society is like the bully in middle school. It is harsh, it takes money, and it tries to conform people. In life, everyone needs some type of protector. A protector can be a friend, a parent, an uncle, a religious figure, or even a teacher. A protector looks out for others and leads people in the right direction. In Adventures Of Huckleberry Finn by Mark Twain, Jim is the protector of Huck. The lessons that Huck learns through his journey shows the reader that not all black people are what society claims they are. Along Huck’s adventure, Jim lends his guidance and support to Huck, through his actions and advice, which helps mature Huck as an individual. Jim’s actions, specifically his decision to share his family life with Huck, allow Huck to mature. Pap, Huck’s father, never was quite a father figure to Huck. He frequently beats Huck and doesn’t respect the fact that Huck is educated. When Huck runs away from home and meets Jim, it is the first time in his life where he has someone actually care about him. Although the two are not friends before they flee, they form a special bond throughout their adventures and Jim becomes a fatherly figure to Huck. He is the father that Huck never had. It doesn’t take long for Jim to make an impact on Huck. Shortly into their journey, Huck and Jim find a washed out house that has floated down the river past the island. When the two enter, they find the body of a man. Jim goes up to the man who has been shot in the back and says to Huck, â€Å"It’s a deadman. Yes,indeedy; naked,too. He’s been shot in de back. I reck’n he’s ben dead two er three days. Come in, Huck, but doan’ look at his face- it’s too gashly. ( Twain 38)† Towards the end of the novel, the reader finds out that the dead man inside the house was in fact Huck’s dad. Jim recognized Pap in the house and he made sure that Huck didn’t see the naked body of his dead father. Even though Huck never had a good relationship with Pap, the sight of his fathers dead body with a bullet hole in his back is one that he does not want to see, especially since he is still a young kid. Jim’s decision was crucial in the development of Huck in the novel. Later on their journey while on the raft Jim mentions his family and how he was separated from them. He says that the first thing he will do when he gets freedom is save up enough money to buy his wife and children back from their owners. He doesn’t think twice before starting the topic and his words catch Huck by surprise. Huck’s conscience begins to stir, trying to lead him in the right direction. He starts to have a conversation with his own conscience and says, â€Å"Let up on me-it ain’t too late, yet-I’ll paddle ashore at the first light and tell†(Twain 67). He contemplates whether to reveal Jims true identity or not and ultimately decided to let Jim have his freedom. The impact of this decision is seen where Jim says, â€Å"Huck; you’s de bes’ fren’ Jim’s ever had; en you’s de only fren’ ole Jim’s got now† (Twain 67). He goes on to say, â€Å"Dah you goes, de ole tru Huck; de on’y white gentleman dat ever kep’ his promise to ole Jim† (Twain 67). Jim makes it clear that Huck is the first white man to ever treat him with respect. Huck knows the trust that Jim instills in him right when Jim starts the conversation. Huck’s decision to not tell about Jim, shows that going against the flow of things is not a bad thing and that a person can think for himself or herself. There is no need for anyone or anything to make choices for someone else. Jim’s response to Huck’s actions solidifies the strength of their relationship and Huck ultimately wins the battle between what he knows is right and what society thinks is right. Jim’s guidance and support along the journey creates a friendship that appears almost unbreakable. Throughout the entire novel, Huck has an internal struggle deciding whether to follow the code of society and turn Jim in or to follow what he knows is right and to let Jim be a free man. He decides to write a letter that roots from his childhood teachings and societies belief that blacks are not equal to whites. â€Å"The more I studied about this, the more my conscience went to grinding me, and the more wicked and low-down and ornery I got to feeling† (Twain 160).. He writes the letter and to his surprise he feels relieved. Huck says, â€Å"I felt good and all washed and clean of sin for the first time I had ever felt so in my life, and I knowed I could pray now† (Twain 161). Although Huck feels great right after he finishes the letter, he begins to think about what he is about to do. As he sits with the letter, he thinks about all of the experiences and memories that he and Jim have had together. He thinks of all the support, knowledge, and lessons that Jim has taught him. He thinks of all the laughs they shared, the talks they had, and the songs they sung. He thinks of all the positives of their relationship, but he cannot think of any negatives about Jim. He realizes that he has the power to change a life and has the ability make a difference . The reader knows that Jim has succeeded in his goal to make Huck anti-racist when Huck tears up the letter that he has written to Miss Watson. Right before he tears it up he says, â€Å"All right then, Ill go to hell. (Twain 162)† This is the one of the first scenes where the reader see’s Huck make a conscience decision by himself. He weighs the positives and negatives and ultimately chooses what he believes is morally correct. Huck would rather go to hell doing what he knows is right, than to conform to society and hurt the ones that mean the most to him. Huck’s ability to make a conscience decision is a sign of majority and he reached this level of majority through the guidance of his dear friend Jim. Jim is a natural father like figure throughout the whole story. Not only to Huck along their journey but to Tom at the end of the story. Jim’s sacrifice at the end of the novel is one of the bravest sacrifices made throughout the book. After Tom gets shot in the leg, Jim displays concern for the him. He says, No, sah-I doan budge a step outn dis place dout a doctor; not if its forty year! (Twain 207) Despite all of the racism and harsh tricks that Tom has played on Jim, Jim risks his life to save his â€Å"friend†. Not knowing that he is truly free, Jim risks his own freedom to save Tom’s life. This decision has a huge impact on Huck. When Jim sacrifices himself knowing the extent of the situation, Huck makes a huge step in his character development. He learns that all men, including blacks, are equal. Throughout the novel Huck struggles with this concept. This is the first time where Huck see’s Jim as an equal human being rather than just a â€Å"ni****†. Huck thinks to himself, I knowed he was white inside(Twain 207). This quote shows the progress that Huck has made. He has matured to someone who can think on their own and who can see the flaws in society. By thinking this, it is clear to the reader that he views whites and blacks as equal. Jim risked his freedom to save an immature, racist white boy who had treated him, not as an equal, but as an inferior, unequal black person, and that is the ultimate sacrifice that teaches Huck a valuable life lesson. Along Huck’s adventure, Jim lends his guidance and support to Huck, through his actions and advice, which helps mature Huck as an individual. Guidance is a key to success in life. One must have someone or something to show them the ropes of the world. In the case of Huckleberry Finn, shows Huck right from wrong. Each adventure contains some type of life lesson. From the first time that Jim and Huck meet up with each other, to the time where Huck writes the letter about Jim, and to the end of the novel where Tom is racist towards Jim, Jim is always there for Huck. He is Huck’s protector.

Why companies sometimes face difficulties in raising finance

Why companies sometimes face difficulties in raising finance Topic: Explain what sources of finance are available for small to medium sized companies and explain why they sometimes face difficulties in raising finance Introduction Due to the establish of modern enterprise system and thoroughly in structural reforms of market economy, there are lot of opportunities contained in the market, but it is also existing many unexpected risks, particularly for the small to medium-sized enterprise (SMEs) which has limited resources to resist in this treacherous environment. To survive and adapts to the environment for a SME is to maintain its advantage in meticulous daily management and even more important is to have a long-term view strategic thinking especially in financial strategy. A good finance strategy can help SME to set up and expand their operations, development and also investment (OECD, 2006), further to get funds which make them competitively and can get well results they desired (Park, 2010). Making a finance strategy is very significant to a company; company has to consider both of internal condition and external environment problem and even more factors which are related to company. However, the SME has its particular characteristic, it is not suitable to adopt the same action with a large company; they better to create a strategy which fits to the company according to its demand. Finding a proper financial strategy for a developing SME, not only can help SME to reinforce its essence, the more important is the sustainability of its development. Define company There is no accurate definition for small to medium-sized enterprise (SMEs) and most of countries define it according to specific condition by their way. Nevertheless, there are some particular characteristics (Bank of England, 2001 Brookfield, 2001) about SMEs and they are: The enterprises are not quoted Ownership is often connected between family and shareholder and the business is typically restricted to few individuals. Most of SMEs are small groups business and always achieve self-employment effectively. In the past, the definition for SMEs from European Commission was unequivocal, it was defined by individual country, for instance, Germany regulated the amount of employee under 250 was part of SME, but in Belgium, the number was became 100. However, in the recent years, the data from European Commission shows that the definition has adjusted and is qualified as a SME by some criteria (see figure 1-1) (European Commission, 2010) in headcount, turnover and balance sheet total. Figure 1-1 the definition of a small firm from European Commission Importance of finance Nowadays, the enterprises finance is facing a dynamic, diversification and complicated managing environment. Managing finance is not only to provide a specific method or device for a firm; it is to assimilate the principle and manner from strategic management. Start from the view of adapting to the environment and using the vantage, to pay much attention in financial long-term problem and strategic problem. In the situation of lacking of the resources for SME, to create a suitable financial strategic and well dominate the limited resource is significant since a better financial systems can help to improve the probability of successful innovation and bring accelerate economic growth. (King, et al., 1993) The focus of enterprises financial strategy is the basic path on future development, goal and goal accomplishment for the financial action; this is the difference between financial strategy and other strategies. The master objective of enterprises financial strategy is reasonably to assemble, dominate and use its resources, tend to balance and flow enterprises capital, also to build the core competitive strength and to achieve the maximization of enterprise value in the end. Some aspects of this goal are related/ connected to each other; from the view of a long-term performance, to seek the enterprises sustainability growth in financial resource and capability, and furthermore to accomplish the rising of enterprises capital value and make enterprises financial capability can sustained, quick and healthily increase, conduce to maintain and develop enterprises competitive advantage. While enterprise building the core competitive strength for their strategic management, they need the support from financial management. The financial management which treats capital management as a significant content, it needs to express the requirement for enterprises strategy and to guarantee its practice. The value of practicing the financial strategy is to retain a health condition in enterprises finance and also effectively in controlling the financial risk. There are twelve types of financing and growth in SMEs and it can be very usefully and provided a great help if it is supplied properly according to SMEs particular requirement (Brookfield, 2001). Initial owner financing (Equity finance) Business angel financing Trade credit Leasing Factoring Venture capital Short-term bank loans (Debt finance) Medium term bank loans Mezzanine finance Private placements Public equity Public debt A company should manage its financing structure in a way that its debt and equity are in balanced manner. This fact helps company to avoid insolvency. Excess of either debt or finance could result in loss of wealth. I will be explaining some of the important methods of financing in following section. Equity finance Equity financing is that the shareholder sells the part of corporate control to introduce the new shareholder by raising the capital (Watson, et al., 2007). The enterprise does not need to pay the interest on principal if the capital is received from equity financing and the new shareholder can share the profit from enterprise as well. Equity financing includes stock issuance, allotment and debt for equity swap. Some features of equity financing, are: Stock equity is firms first right of its property, it is the base for enterprise to absorb the civil liability and to responsibility for firms own profits and losses; furthermore, it is also the base for investor to control the enterprise and to distribute the profit. Equity financing is the base of deciding an enterprise to the outward debt. Certainly, there are some advantages of equity financing that help enterprise in investment and management. Equity financing builds a good system in corporate governance structure, which consists of shareholders meeting, board of directors, Board of supervisors and executives. It is effectively in decreasing the risk of management. In the modern finance theory, stock market is also called open market; it means that the standardization financial products are dealing in a trading area with an extensively institutionalization. It has its criterion and processes it in the condition of information revelation and fare dealing. In financial translation, the more important is publicity and availability of information; and that is why the stock market is better than loan market in both competitiveness of capital price and publicity of information. Venture capital Venture capital is the fund which is collected by private placement and set as the type of organization; invest to unlisted small and medium-sized newly emerging enterprises and in the capital type of both high risk and high reciprocation. Venture capital is different from mutual fund, unit trust and securities investment fund; it has its features in operating of investment and collection, such as, Venture capital absorbs the venture with enterprise; the venture capitalist needs to cooperate closely with entrepreneur and help the firm to make a plan. Management is part of investment. Venture capital is an investment in long-term and poor flowability; venture capitalist and entrepreneur become a common destiny once they invest. Venture capital is high risk and requires the venture capitalist with specialized skill, and need to achieve specialization and programmed in choosing the project, tend to avoid the risk. Before inspect the financial index, the venture capitalist pays more attention in market prospect, development strategy and managing quality. Sharing the bonus from enterprise is not the purpose of venture capital, they make it as a return by increasing the capital when they are exiting; the time for exiting is always when go on public or sell it. Debt finance Debt financing is also called bond financing, it is the way which the firm can raise money for enterprises external finance; and debt can also be conducted and fitted to the requirement of issuing companies and investors (Watson, et al., 2007). It is included long-term bank loans, short-term financing (such as bills, debt receivable, and letter of credit), enterprise Bond and short-term financial bonds, also long-term bond financing, finance lease, discount government loans, government loan, Loans from international financial organizations and private bond fund. The first expense enterprise needs to pay is the interest of capital which receives from debt financing and the principal on the debt will be paid to creditor at maturity (Davis, et al., 1994). The feature of purpose for debt financing is to solve the problem of deficiency in working capital rather than the expenditure under the capital account. Debt financing can be described by two features, The received capital from debt financing is only for using, it is not the property of the enterprise, and the firm needs to pay interest and the principal is repayable. Compare to equity financing, except some specific situations that debt financing may bring creditor the problem of intervention or controlling, otherwise it is barely to have the problem of corporate control. However, debt financing has its advantage for helping the firm in investment and management, The lenders have ability to collect and analyze the states of investment, also can have long-term investigate and oversee the enterprise to avoid the moral hazard. The function of the creditors right is when firm can pay off the debt, the firm will hold the corporate control, whereas of the enterprise cannot offer the debt, the corporate control will be turned to lender. Why do SMEs find financing a problem? Due to SMEs small size capital, the capability for defending the market risk is not as strong as a large firm, plus a faulty finance system, it causes the problem into SMEs finance management (Pissarides, 1999). The main reasons and problem are: No criterion in SMEs finance accounting system In application of finance system in SME exist some problems, which make loose financial control. A loose inventory control can lead to the stagnation of capital and excessive final inventory; the capital of final inventory always in a high proportion if compare to sale revenue. The firm usually loses a large number of assets due to focus on capital much more than assets and even wastes it seriously; moreover, to control the finished products, semi-manufactured goods and low-value expendable without a faultless system. It is negligent in managing the cash and weakness in debt receivable Some of enterprises think that it is good to hold cash (including bank deposit), and better to have more; the proportion of reserve is too high, it makes lot of capital cannot really run in operation, and also causes the capital idleness. In addition, some firms invest too much in real estate and lead to finance difficulty due to could not handle the emergent need of management. Also deficiency in managing working capital creates problems problem capital withdrawal. Difficulty in funding, the capital is insufficient It is not easy to run the SME in a practically environment, especially the unequal treatment in funding between SME and larger enterprise. The banks are not willing to loan to them, particularly the difficulty in guarantee and lack of the specialized agency to offer the assurance service is still the main problem for SME and it obviously happens in some huge investments. Unrestraint in investment The SME is lacking of the ability to analyze the investment accurately and to evaluate the effectiveness of operating the capital. The majority of investment in SME is from banking, due to the respectability of a SME is not as high as a large company, it is an obstacle in attracting the banking to invest or loan to the SME. The mode of management is backward Most of SME is running the business as a family workshop; they are operation the management in a backward way and an old-fashioned thinking way, do not understand and even not willing to understand or learn the modern financial management. The proprietor always treats the enterprise as an extension of familys property; in order to control the business entirely without decentralize the ownership, it causes the lost of the opportunities in growing. Conclusion SMEs play an important role in the general macroeconomic environment, and provide the enormous opportunities for employment. However, due to the small size and limited source, usually SMEs has to face to the challenge in financing problem. For solving the problem, the major impact is from government and the law (Industrial Systems Research). In existing policy has to be adjusted by government; the government needs to reinforce the related law and regulation to implement SMEs development strategy and preferential clause. Furthermore, have to set up the institution for managing and supporting SMEs development. To increase the method for financing; SMEs need to respect the debt from bank and to pay back the debt on time; then to healthy the internal system and raise the handling of material. Lastly, to improve accountants structure and criterion of financial management; enhance the punishment for the illegality to makes they pay attention in financial system.

Personal Narrative- The Real Me :: Personal Perspective Essays

Personal Narrative- The Real Me I was sitting, waiting impatiently for Adam. All of a sudden, this red Toyota Tacoma flew into my driveway, screech. â€Å"Hey sweetie! Are you ready to go and eat?† he screamed out of his fire red truck. In the mean time, I was sitting there, glaring out the window, talking to myself like a harebrained would do, asking the stupidest questions, â€Å"Is he going to like my disturbed family? What is he going to think of my annoying redneck relatives? I hope he likes fish. Am I too dressed up for dinner?† W arrived at my grandmothers’ house around 5:30, at once my aunt Gaye grabs me by the arms, â€Å"Hey girl! Give your favorite Aunt Gaye a hug!† pulling me under her arm. I yanked my head away, but I already got disillusioned by the smell of month old gym clothes. â€Å"And who is this fine young boy behind you?† I was so red by this point that I just took him to the kitchen, introduced him to the rest of my family, that was there. While introducing Adam to Casey and Ben, Gracie, my three year old cousin, ran into me, knocked me off my feet, while giving me the biggest bear hug ever. She rapidly ran away just after noticing Adam; she is very shy. Adam and I began to laugh as Gracie ran into the wall. Lacey, my five year old cousin also Gracie’s big sister, runs straight up to Adam and gives him a hug; she is very sweet. Finally, after Adam met everyone but my parents, they showed up. â€Å"Hey mom and dad, this is Adam. He has met the rest of the family and it smells like dinner is ready. Shall we eat?† I rushed along so there wouldn’t be any embarrassment. On the table, my grandmother arranged the food, placing each dish in its assigned place. The table was crawling with fried food: a huge pan of 100 crispy, crunchy fish, squishy hush puppies, and black tatter-tots, a bowl of bright green, grassy coleslaw, with a cottage cheese texture. Gross! Piling food onto ours plates, Adam and I rushed outside to sit in front of the television in hopes for the game to be on. While eating I noticed that Adam was throwing away the fish tails, â€Å"Adam! What are you doing? You are supposed to eat the fish tail! Here let me show you.

Macbeth - Evil And Darkness :: essays research papers

The play "Macbeth" by Shakespeare is jam-packed with malfeasance and darkness. All actions taken by Macbeth, his wife, Lady Macbeth, the witches and Hecate have immoral intentions and/or evil outcomes. An example of such is Lady Macbeth’s dark intentions to quicken Macbeth’s crowning, fuelled Macbeth’s "vaulting ambition[s]" (Act 1 scene 7 line 27) to murder anyone or anything that stood in his path of a long reign. Shakespeare often uses darkness and will frequently set the scene as a dark and stormy night. This depicts that evil happenings are occurring or are about to take place. There are at least three examples of this in "Macbeth". "The night has been unruly: where we lay,/Our chimneys were blown down; and, as they say,/Lamentings heard i’ the air; strange screams of death,..." (Act 2 scene 3 line 54-56). "Three score and ten I can remember well;/Within the volume of which time I have seen/Hours of dreadful and things strange, but this sore night/Hath trifled former knowings." (Act 2 scene 4 line 1-4). Both these quotes are talking about the night of Duncan’s death. They are showing the comparisons between the natural unruliness and the anomalous disaster. "And yet dark night strangles the travelling lamp." (Act 2 scene 4 line 7) is a metaphor for both the murder of Duncan and the night in which it transpired. A dark and stormy image is also portrayed when pernicious characters (ie. the witches, Macbeth and the murderers) meet. The witches play a very important role in "Macbeth", as they initiate the evil plot. Even from the prologue we can see the witches are evil. "Fair is foul, and foul is fair:" (Act 1 scene 1 line 11). They uphold their evil status throughout the play although their power is not fully demonstrated until the prophecies come true and also later where they conjure up the three apparitions. The witches are truly evil and love evil for its own self unlike Macbeth. "Spiteful and wrathful; who. as others do,/Loves for his own ends, not for you." (Act 3 scene 5 line 12-13). Throughout the play they provide the strongest impression of evil. They are continually committing mischievous deeds, such as, "Killing swine" (Act 1 scene 3 line 2), tormenting sailors and casting spells. "Macbeth" is built upon evil and sorcery. Whether it be the witches "Double, double, toil and trouble;/Fire burn and cauldron bubble." (Act

Plato, Machiavelli Essay

Machiavelli says the prince only has to seem good, not be good. Plato insists that seeming is bad, being is good. Nicolo Machiavelli is known as being an realist who accepted that fact that humans are brutal, selfish, and fickle while Plato was an idealist who believed people could be ruled by a philosopher king who ruled over the warriors and tradesmen of his ideal republic with rationality. In his view the philosopher-king was in charge of making the state a â€Å"utopia† in that everyone had his/her place and all worked together for the common good of the state. Machiavelli said that this was a foolish idea. Machiavelli philosophy of government was centered on the ruler. He believed the king, or despot, had the right to do whatever was necessary for his own gain, or whatever the monarch considered the â€Å"good of the state† which he called Virtu’. Machiavelli believed the only purpose for a ruler was to make war, and protect its citizens from attacks by other states. He advocated the slaughter of surrendered generals in order to crush hopes of revolution – even rationalizing that it was worth the risk of revolution should it anger the people. Machiavelli believed a ruler should be immoral using deception and illusion for power and never allowing the people to know the â€Å"real† him In Machiavelli’s time, as it is today, the States whole reason for being was to serve the citizens. The ruler, therefore, is justified in doing whatever is necessary to maintain the country or state, even if it is unjust. In Plato’s time, man served the state. According to the viewed that ethics and politics are the same, or at least co-terminous. There was no distinction between private life and public life, as there is today. Plato argues a ruler can never be unjust. Plato argues against this type of ruler, who rules solely by might. Plato tries to prove that it is always better to be just than unjust , claiming that there is a strong connection between justice , personal happiness and the well being of the state. Machiavelli underlines the fact that moral principles are not necessarily connected with the efficiency of the act of ruling . If the principles of morality and justice need to be broken in for the state to be prosperous , than this is how things should be done. In the end, Plato and Machiavelli lived very different lives, contributing to their differing thoughts on the world. Plato grew up in the upper aristocratic class but was â€Å"adopted† by Socrates. As he followed Socrates, he learned all he would need for his later life as a philosopher when he essentially wandered around Greece without pay. In this way he was untouched by wealth’s corruption. Machiavelli, on the other hand, grew up in a wealthy Italian home and lived well supplied for by his patrons. The wealth that he was accustomed to was the main cause for his philosophy centered around personal gain.

Ele569 2011 Exam Paper

[pic] **** 2011**** ELE569MICROWAVE ELECTRONICSDuration: 2 hours 30 minutes YOU ARE NOT PERMITTED TO READ THE CONTENTS OF THIS QUESTION PAPER UNTIL INSTRUCTED TO DO SO BY AN INVIGILATOR. Answer FOUR Questions. The Smith Chart is Attached. calculators arE permitted in this examination. Please state on your answer book the name and type of machine used. Complete all rough workings in the answer book and cross through any work which is not to be assessed. mportant note: thE academic Regulations state that possession of unauthorised material at any time when a student is under examination conditions is an ASSESSMENT offence AND CAN LEAD TO EXPULSION FROM THE COLLEGE. Please CHECK NOW TO ENSURE YOU DO NOT HAVE ANY NOTES in your possession. IF YOU HAVE ANY THEN please RAISE YOUR hand AND GIVE them to AN invigilator IMMEDIATELY. EXAM PAPERS CANNOT BE REMOVED FROM THE EXAM ROOM Examiners: Prof. Y. Hao and Prof. C. G. Parini  © Queen Mary, University of London, 2010 Question 1Answer the fol lowing questions on the Smith Chart and its applications. (a) Starting from the definition of Reflection Coefficient, explain the construction of the Smith Chart. It is NOT necessary to derive the equations for the constant impedance and constant reactance circles. [8 marks] It is a polar plot of the complex reflection coefficient. It is also known as the 1-port scattering parameter s or s11, for reflections from a normalised complex load impedance z = r + jx; [4 marks] [2marks] [2marks] (b)Consider the transmission line circuit below (Figure 1).Use the Smith Chart to find SWR on the line, the return loss, the reflection coefficient at the load, the load admittance, the input impedance to the line, the distance to the first voltage minimum, the distance from the load to the first voltage maximum. [9 marks] 0. 8 Wavelength Z0 =50 ? ZL =70+j40 ? Zin Figure 1 [pic] 1mark for each answer except for last two (2 marks) (c)A load impedance of ZL = 100-j150 ? is to be matched to a 50 ? line using a single shunt-stub tuner. Find two solutions using short-circuited stubs. [8 marks] 2 marks each for the following four answers [pic]Question 2 (a) Consider an arbitary microwave transistor with scattering matrix [S], connected to source and load impedances as shown in Figure 2. [pic] Figure 2 Derive the following equations concerning (in and (out. [pic] [7 Marks] with reference to figure 1, the refelection coefficient seen looking forward the load is [pic] while the reflection coefficient seen looking toward the source is [pic] [1 Marks] in general, the input impedance of the terminated two-port network will be mismatched with a reflection coefficient given by (in, which can be defined by the following analysis.From S parameters definition, [pic] Eliminating V2-, and solving for [pic] [4 Marks] Similarly, (out can be obtained. [2 Marks] (b) In a transistor oscillator, a one-port negative-resistance is effectively created by terminating a potential unstable transistor with a n impedance designed to drive the device in an unstable region as shown in Figure 2. [pic] Figure 2 Assuming that S parameters of the transistor in a common-gate configuration are S11=(2. 18, -35(), S12=(2. 75, 96(), S21=(1. 26, 18(), S22=(0. 52, 155(). Design load and teminating networks using a combination of one-eighth nd a quarter wavelength impedance transformers for a microwave oscillator. Please note that the stability circle can be calculated using the following equations [pic] [18 Marks] †¢ S11 is quite big, which means that the common gate transistor configuration is unstable †¢ The centre and radius of the output stability circle in the (T plane are: CT=(1. 08, 33(), RT=0. 665 [4 Marks] †¢ Since |S11|=2. 18>1, then the stable region is inside the stability circle, this gives large amount of freedom to choose (T plane. †¢ (T is selected as (0. 59, -104().Then an impedance matching network is used to convert ZT into 50Ohm match load †¢ From (T , (in =(3. 96, -2. 4(). It is obtained from [pic] †¢ Zin can be found to be (-84-j1. 9)Ohm, and then ZL(()= -Rin(()-jXin(() †¢ A matching network is chosen to match ZL with 50Ohm load [10 Marks] Based on the following equations, an impedance matching network can be designed (T is selected as (0. 59, -104(), ? T can be found as †¢ Zin can be found to be (-84-j1. 9)Ohm, and then ZL(()= -Rin(()-jXin(()=84+j1. 9 Question 3 Answer the following questions about microwave amplifiers: a)Show that for a unilateral device, where S12=0, the ( -parameter test implies that | S11 | < 1 and |S22 | < 1 for unconditional stability. Where the ( -parameter test is formulated as [pic] [8 marks] [pic] [pic] (b) Use the ( -parameter test to determine which of the following devices are unconditionally stable, and of those, which has greatest stability. [6 Marks] |Device |S11 |S21 |S12 |S22 | |A |0. 80