Radiation and Thermal Conductivity Lab Report Example | Topics and Well Written Essays - 1750 words

radioactivity and Thermal Conductivity - Lab Report lessonThe third look into involved the verification of Stefan Boltzmann law and the general realization was that there exists a call proportionality between the intensity of actinotherapy therapy and the ration between emitter temperature and ambient temperature to cipher four (?4). The one-quarter experiment involved an analysis of Aluminum and Stainless Steel. During the analysis the general realization was that the caloric conductivity of Aluminum was that the thermal conductivity of Aluminum. Introduction Radiation potbelly be defined as the stain arising from the interaction involving heat between a system and the surrounding environment. Consequently thermal radiation involves the discipline of the electromagnetic radiation emitted as a take of the temperature of the emitter with regard to the dual-wave particle nature of electromagnetic radiation (Mahan, 2002). According to Mahan, studies of Heat have led to the realization that heat is an energy that occurs as a result of energy variations between a system and its surroundings. The basis of the experiment was to conduct an analysis on the miscellaneous characteristics of thermal radiation as a form of heat transfer and the characteristics are applicable in real life situations. The objective of the first experiment was to study the relationship between the view factor designated F and the intensity of the radiation measured in terms of the temperature. The second experiment was aimed at substantiating the postulation that there exists an inverse proportionality relationship between the source of heat and the surface. The third experiment was aimed at validating the Boltzmann law which is mathematically expressed as qb = O( Ts4 Ta4 ) The fourth experiment was aimed at analyze the thermal conductivity of two different metals. Literature Review Apart from conduction and convection heat mountain be transferred via radiation. The major dif ference between radiation and the other forms of heat transfer is that radiation can travel in a vaccum because unlike conduction and convection that require molecules, radiation does not require molecules. Radiation occurs via elecgtromagnetic waves. According to Theodore (2011) any system that has a temperature greater than absolute zero is an emitter of thermal radiation. Theodore outlines that the amount of radiation given out by a given system depends on both the temperature and the charatceristics of the surface. In essence, the undertanding of thermal radiation requires an understanding of the electromagnetic spectrum. Electromagnetic radiation is an occurrence experienced when the atoms of a system have excited from their dormant state so that they acquire enough internal energy to begin emitting the radiation. Am example of a biological phenomenon that depends on radiation is sight. Although we are not able to see the electromagnetic waves our eyes are able to detect the w aves and the ability allows us to percieve the images of the objects around us. Although radiation can be approached from the particulate aspect, scientists have since found it more convenient to approach radiation from the wave aspect. According to Kubota (2007), scientists today approach radiation as involving emission of wavelengths by solid particles. In the study of black corpse radiation, scientists have also

Computer networking and management Essay Example | Topics and Well Written Essays - 6500 words

Computer networking and management - Essay spokespersonThe protocol constitutes two layers one is the TLS infix protocol and the other is TLS handshake protocol.Netgear (2005) further discusses that TLS Record Protocol is a layered protocol. There are different contents for messages at all(prenominal) layer messages may contain fields for length or details about the message. Record Protocol performs a series of meshs takes the data/message which is desired to be transmitted to the other end, divides the data into smaller blocks, performs the compression function on the data if needed, applies a MAC and encrypts the message according to it and whence finally transmits the result. The data which is acquire at the target server is decrypted, then verified if it has come from the expected host, decompressed and finally passed onto the target host. TLS Record has two main properties, which are discussed belowConnection between the two communicating entities is private. The techni que that is apply for data encryption is symmetric cryptography. The connection is secure because the key for this symmetric cryptography is unique for every connection, which is communicated between the two connecting applications by another protocol- TLS shingle Protocol. If security of the connection can be compromised then it is possible to utilize the Record Protocol without encryption.Another characteristic about the protocol is that it provides a true(p) connection this is possible due to the provision of a message integrity check which works on a keyed MAC. The security of MAC is ensured by computing it with a secure hash functions.TLS Handshake Protocol gives a medium for the client and server to authenticate each other and to decide an encryption algorithm. Cryptographic keys are also negotiated among the two applications before any data is transferred or received by either. The steps for TLS handshake protocol are defined in the figure belowThe negotiation passage of the encryption algorithm is also secure therefore

Marine Debris in the Hawaiian coast Essay Example | Topics and Well Written Essays - 2000 words

Marine Debris in the Hawaiian coast - Essay Example consentient material found in the marine environment is called marine junk. The common misconception is that it involves just a hardly a(prenominal) pieces of harmless rubbish scattered along the shores of the ocean. Plastics are the most common types of marine dust with at least two hundred and sixty seven species having suffered from either ingest5ion or entanglement with these items. 5the scale of contaminant is quite high with many attempts to address the issue including legislations and campaigns.There are various sources of marine debris all of which are categorized into four. First is tourist related litters that include beach toys, beverage furtherance and cigarettes. The second category is sewage related debris including water from storm drains and water overflow from tucker photocopy during rainfall. Then there is fish related debris including fish pots, fishing lines and strapping bands from gravel traps that are either lost in commercial fishing or dumped deliberately. The last category is waste from ships and boats that are mostly deliberately dumped (Laws, 200062).Marine debris washes up almost on a mundane basis on the Hawaiian shores. The Great Pacific Garbage Patch is the collection area of marine debris from the Pacific Ocean covering an area twice the size of USA. Currents, winds, and waves bring the debris to the Hawaiian island of Hawaii, Kauai, Oahu, Kahoolawe, Lanai, Niihau, Molokai, and Maui as well as the Northwestern Hawaiian Islands. Most of this debris is plastic hence do not biodegrade. Although plastic later photo degrades, the process creates smaller particles that form smaller particles of plastic, which pose dominance harm to marine life (Andrady, 2003241). Harm to marine life The harm to marine life is bivalent through either entanglement or ingestion and other miscellaneous factors. Ingestion Marine debris poses so much harm on the marine environment. Researchers found that 100% of albatrosses feed their chicks plastic. The adult

Fashion Business and Family Dynasties Essay Example | Topics and Well Written Essays - 2250 words

Fashion production line and Family Dynasties - Essay ExampleThe essay Fashion Business and Family Dynasties discovers the rail line and families of Hermes and Louis Vuitton. Hermes has been associated with the some wonderful luxury brands and is colligate to the category of womens handbags, perfumes and jewelries. Hermes is one of the oldest firms in France that has been owned and managed by the family of Hermes. Thierry Hermes is the founder of the Hermes Group. Until 2004, the business of Hermes had been matchled and managed by the family members of Hermes. The family owned group had controlled the family stake and had shown efficient leadership to retain control over the strategic decision of the business within the family. During the period of 1978 to 2004, the Hermes Group was managed under the leadership of Jean-Louis Dumas who was the great-grandson of Hermes. In the year 2006, Jean-Louis Dumas had passed away and Patrick doubting Thomas became the film director in Herm es. He was the first non-family manager in Hermes in their entire history of business operations. Patrick Thomas became the first CEO of Hermes but the control was with the family members of Hermes and they retained the control to maintain the family heritage of the business. Hermes is basically cognise as the bag and scarf maker. They have by no means aggressively pursued each kind off strategy to develop as a luxury conglomerate and constantly remained knockout in their individual space of operations. Louis Vuitton is a French based comp both that deals with fashionable merchandizes. ... family members of Hermes and they retained the control to maintain the family heritage of the business (Bhalla, Disintegrating Family Firm How Well Are You Prepared For the Ultimate). Hermes is basically cognize as the bag and scarf maker. They have by no means aggressively pursued any kind off strategy to develop as a luxury conglomerate and constantly remained significant in their individua l space of operations (Elite Choice, Louis Vuitton Claims to be a Long Term Shareholder of Hermes, Raises chance to 20%). Louis Vuitton (Family & Business) Louis Vuitton is a French based company that deals with fashionable merchandizes. Louis Vuitton was established by the founder Louis Vuitton in the year 1854. It deals in the luxury merchandizes (Louis Vuitton, About Us). The Louis Vuitton brand had been famous for its LV logo that features upon most of the merchandizes of Louis Vuitton ranging from luxury chests and flog merchandize to shoes, ready-to-wear merchandizes, accessories, books, sunglasses, watches and jewellery. Louis Vuitton is known as the leading fashion house in the planetary market. The merchandizes of Louis Vuitton are sold through the model of standalone boutiques, e-commerce application and lease departments that are departmental stores which represent high-end set (Louis Vuitton. The World of Louis Vuitton). Louis Vuitton and family have managed their en tire business in the world. They started in Paris and slowly gained acceptance receivable to their skillful work. Louis Vuitton had developed the brand uniquely as there was duplication of the products especially in the leather bags category for travelers. After the demise of Louis Vuitton, his son Georges Vuitton controlled the business and managed all its activities. Georges Vuitton

Critical thinking Questiong Essay Example | Topics and Well Written Essays - 750 words

particular thinking Questiong - Essay ExampleBy focusing on participants dignity, they will experience compassion and love.stag (252) also asserts that the legal corpse is not the best way to attain justice in society. primary fairnesss are formulated by human beings and thus can be in favor of the intimate few. Consequently, they need to be backed by secondary laws in order for them to function effectively. Moreover, according to him the juridical brass is based more on logic which is not always the best way to pass over problems. Morally, when victims are apologized to, they feel in control since they are the ones to make decisions (Rosenbaum 175). On the other hand, when the legal trunk is applied the impacts are not closely felt by the participants.While lawyers view the legal system as a means to attain justice, Rosenbaum (182) looks at it as a truth silencing conspiracy. This is for the fact that the law robs participants the power to exercise their own means of attain ing justice. Instead, it gives all the powers to lawyers to present contradictory, messy and inconclusive views. He then explains that the best way of avoiding lawsuits is to accord people the respect they deserve by acknowledging their responsibilities in the whole process. through and through that, decency is attained and it might be the effective way of attaining justice. Contrary, the legal law penalizes offenders and this might evoke opposition within them thus hindering one from doing the right thing (Hart 258).Looking at the legal system critically one will say that laws are a form of gaining revenue. For instance, the insurance policy for simple machine forbids one to apologize in case of an accident. Hence the question is, is this because the legal system want to rip money from citizens or why is it so? The answer to this according to Rosenbaum (184) is that lawyers do not exchange delivery for free thus for cases to go to court, money has to involved. However,

Cultural Sensitivity Essay Example | Topics and Well Written Essays - 750 words

Cultural Sensitivity - Essay lawsuitHealth c atomic number 18 disparities encompass inequalities in regards to rank, social status and age. Disparities in the health care constitution are closely linked to equity. There are various factors that lead to the differences among individuals. The US population is exceedingly multi-ethnic, and it is mandatory to understand the various cultures (Diller, 10). In spite of the advancements made in the health care system, in that respect are increasing differences in health status among Hispanics, Native Americans, African Americans, Haitians, Jamaicans and Pacific Islanders (Diller, 10). Additionally, the challenges facing the healthcare sector have increased over the years as the population becomes more ethnically diverse. The future tense of the health care system in the US will be influenced significantly by advancements in ethnic minorities.The composition of the US population has been changing dramatically over the years. This is tr ue from the statistics shown by the new studies conducted on the population. In the past decade, there was a relative increase in ethnic groups as follows non-Hispanic White 5.5%, African American, 16.4%, Hispanic, 65.3% and Pacific Islanders 123.5% (Diller, 11). If this development continues in the future, the number of ethnic minorities will continue rising. Statistics from the number conducted in 2000 reinforce this argument. This further emphasizes the ask for cultural competency in the health care system. The tabularise below shows the expected figures by 2042 (Diller, 11).Composition of the US populationEthnic group2009 (%)2050 projections (%)Native Americans1.62.0Asians59Hispanics1530Non- Hispanic Whites6646Source Diller, 12There are five key challenges facing health practitioners in ensuring cultural sensitivity. The main challenge is communication divergent ethnic groups have their native languages and hence may not communicate fluently in English. This calls for the n eed of interpreters for various languages (Weinstein, 447). Secondly, patients from different groups are conservative and are reluctant to talk about sexual matters and some other personal problems. Thirdly, there exist clinical differences among the different ethnic groups, for example, the prevalence to some diseases including hypertension and diabetes. The 4th challenge is ethics Medical practitioners should have respect for different cultures and beliefs while handling their patients. Last simply not least is the problem of trust Patients from different ethnic groups tend to be afraid of the figures in authority and fail to trust the care givers in hospitals.The issue of cultural diversity in the health care sector is here to stay, and there are numerous solutions to the problems emanating from this diversity. Health care providers should

Human Rights and democratic society Essay Example | Topics and Well Written Essays - 10000 words

Human Rights and democratic society - Essay ExampleThe unlike conflicts and revolutions in the world have shaped the concept of homophile rights as we know it. In the last both hundred and fifty years, we see the clamor for human rights as the clamor of a world and of the various peoples inside it for equality and freedom. Starting with the French and American revolutions towards the latter part of the eighteenth century, it is this very whimsy of human rights that has led colonized states and revolutionary movements to assert their voices and fight for their freedoms against oppressive and despotic governments - from the Tiananmen Squargon revolt in China to the struggle of the East Timorese against Indonesian occupation.All human rights are universal, indiscrete and interdependent and interrelated. The international community must treat human rights globally in a true(p) and equal manner, on the same footing, and with the same emphasis. While the significance of national and regional particularities and various historical, heathen and religious backgrounds must be borne in mind, it is the duty of States, regardless of their political, economic and cultural systems, to promote and cheer all human rights and fundamental freedoms.When the United Nations was created in 1948 by a world still reeling from the ravages of the present moment World War and intent on healing the wounds wrought by it, it was tasked to become the primary dominance in defining and advancing human rights. From then on, various other agencies were created, addressing specific human rights concerns. notability examples of this are the International Labor Organization and the UNICEF. However, the universality of human rights has oftentimes been challenged by critics on the allegation that the Western bias is very much evident, and that the popularity of it in recent times is nothing more than the remnants of a neocolonial attitude purveyed by the crafty and bought by the undiscern ing. A refutation of this was attempted by the United Nations Educational, scientific and Cultural Organization (UNESCO) in 1968 through a study that demonstrated that the profound aspirations underlying human rights correspond to concepts - the concepts of justice, an individuals integrity and dignity, freedom from oppression and persecution, and individual participation in collective endeavors - that are encountered in all civilizations and periods. Some Islamic scholars like Safi (2000) remain unconvincedThe pragmatic arguments for the universality of human rights are problematic, because they either completely overlook the significant impact cultural differentiation has on values and perceptions, or ignore the fact that agreements through UN reflect, more often than not, political compromises by political elites, rather than normative consensus. Further, many of the ruling elites who pretend to speak on the behalf of the peoples of the developing world lack political genuinene ss and public support, and have embraced ideological outlooks at odds with the surrounding cultures. In the absence of genuine body politic in the countries of the South, no one can