Green Buildings in China and Europe Article Example | Topics and Well Written Essays - 500 words

Green Buildings in China and Europe - Article Example According to John Echlin, an architect who is American, public and culture drives building the design in Europe. The buildings are also constructed for permanent basis unlike in China that considers space and cost as the determinant factor in the construction of the buildings, especially in urban centers. Most of the architects in Europe are aware of the impact of the green building constructions towards the reduction of energy unlike those in China. The owner of the Chinese’s private reserve in Zhejiang province ensured that food required by the reserve is grown at the site and reduced overdependence on energy and water from the surrounding environment. Such was just an example of the green building in China but since then more and more building focusing on energy reduction and being environmental friendly have come up. An example of such a building in Europe is the Doxford solar office found at a park near Sunderland. The building design was energy responsible with the aim of saving energy which is of increased concern in Europe. Green buildings are also considered a profitable venture in Europe and China. It is, however, true that there are more buildings in Europe than in China. Unlike in Europe where public benefit and culture drives the design of the building to be constructed, Chinese constructions are based on costs and profit maximization. It is the reason that has resulted in less number of green buildings in Chi na, especially in urban centers. Multinational Corporation, hotel numbers, and large Chinese companies have however employed the practice in their buildings (Lehmann, 2010). China’s recent plans aim at reducing carbon dioxide emission and overall energy use. Regulators have been forced to focus on establishing buildings that are green and energy efficient as a way of being in line with the government’s energy reduction plan. Europe on the hand has come up with a strategy that will ensure all public houses become carbon neutral by the year two thousand and sixteen.

Adam smith vs Karl marks philosophy economics contribution Essay Example for Free

Adam smith vs Karl marks philosophy economics contribution Essay To begin with, Smith came up with the concept of the ‘invisible hand’ (Communist (1848)). This concept was to explain that seeking self interest is not necessarily bad but it sought to explain the reality that people tend to act in their own self-interests. When individuals pursue their self interests, they promote without their knowledge the good of the community at large and so it can be said that an individual who wants to maximize their revenue maximizes the revenue of the society too. This liberty to customers to buy freely what they want and for the producers to produce what they want without any pressure enables the market to settle on a product distribution and prices that are beneficial to all individual members of the community. This liberty to both producers and consumers and the greed to maximize their interests, drives them into a behavior that is beneficial to all in that particular community. Due to this, producers are forced to employ methods of production that are efficient with an aim o maximize their profits. This leads to low prices that are meant to out do their competitors and this forces investors to go for firms that wants to maximize their profits and hence this works as mechanism of balancing. The invisible hand concept acts as the root of modern economics. A good example is the general equilibrium which states that if the economic forces are balanced in the absence of external influences, then the economic variables will not change. This requires that everything in the market beginning with pricing to production be controlled by the players in the market but not by other forces. These external forces may include among others the regulations that are imposed by the government or other organizations that may have a say on the market. According to the general equilibrium, when the prices are very low, then there is surplus supply and when the prices are very low, then there’s a shortage in supply. As a result of this, the situations tend to control themselves without the need for any regulator from outside. These outside forces in the market slow the rate at which the economy grows and they also lead to infancy in the division of labor. As a result of that need for self improvement, efficient division of labor is realized as well as improved efficiency in the economy. This concept is very much in use even in today’s economy . The modern market structure borrows greatly from the earlier ideas of natural monopoly by Adam Smith.( The Poverty of Philosophy human nature) The division of labor Division of labor is a clear indication of qualitative step towards increased productivity and so it acts as an engine that drives towards realization of economic progress. Smith realized that labor division and for that matter labor specialization would improve greatly on the concentration of workers on the duties they perform. This concentration would come as a result of doing a single task many times or repetitively. The need for improvements in productivity of the work force is said to be the root cause for labor division. According to Smith, labor division can lead to increased productivity. This productivity from the workers can be attributed to specialization in one task since specialization leads to greater skill on their particular subtasks compared to what would be accomplished by the same number of workers performing a broad task. For maximum productivity from workers, skills that they have should be matched with the corresponding equipments.   Most of today’s increase in productivity can be attributed to the matching of technological, human and physical capital and mostly in the manner in which they are organized. This means that laborers need to be equipped with the right skills so as to be effective in what they do compared to when there would be no job specialization and hence anybody could perform any job. Todays economics has borrowed greatly from these ideas from Adam smith. Many organization have realized the need to equip their employees and some even hire unskilled ones but pay for their acquisition of skills. Another outcome of labor division according to Adam smith is minimization of time that is wasted by employees when moving from one task to the other. A lot of time is wasted when people keep on relocating and this proves expensive to the company in the long run because they have to pay the employees. Through labor division, this time wastage is minimized . The modern concept of scientific management borrows greatly from Adam Smiths ideas .Scientific management emphasizes on the connection between activities and the transformation that occurs within the process. This is also supported by William Petty who notes and demonstrates its importance in the construction of Dutch ships. He admits that people with a particular task to perform had discovered new ways of doing their work which were later observed and justified by political writers on economy. (An Inquiry into the Nature and Causes of the Wealth of Nations (1776) specialisation) The wages of labor Wages of labor are dictated by mostly by the availability of job vacancies and also by the availability of workforce. When there are many workers and the available vacancies are few, the amount of money the workers are paid usually fall. Likewise, when employers compete against one another and the labor supply is limited, the wages paid to the employees usually rises but its worthy noting that this process is made possible by unity among laborers and masters. This kind of unity enables laborers to come together and stop biding for jobs against each other hence making the employers increase the wages paid to them. Likewise when employers come together in unity and stop binding against each other, the wages fall. However, in places where the amount of labor is more compared to the amount of the amount of revenue that can used to pay for waged labor, the competition among the employees in greater than the competition between the employers. Smith argues that the amount of revenue must keep on increasing constantly compared to the amount of labor so that wages may remain high. Profits of stock too have an impact on the wages because the more money is spent on compensating labor; little is left for personal profit. This is clearly shown in countries where competition amongst employees is great compared to competition among employers, profits will be much higher. Due to these views, Smith attacks people who are politically aligned and try to use their political influence to manipulate the government and other powers into their bidding. Smith feared that people of this class could form a powerful block and take advantage of their closeness with the authorities into manipulating the state into enforcing certain regulations meant to serve their interests against the general interests. These would maker other players vulnerable and have no say in the way businesses were being conducted. According to other people the level of specialization brought about by division of labor was externally determined but in the contrary, Smith argued that it was the dynamic engine towards economic progress. Surprisingly, Smith himself criticizes the division of labor arguing that it leads to mental mutilation of the workers hence rendering them ignorant and insular because their lives are limited only to doing a single task many times. These ideas by Smith are incorporated into today’s discussions on economic issues. Human capital is one of the discussions in which Adams Smiths ideas are used. Human capital is one of the four types of capital that were identified by Adam as being important for the success of a company. As argued by Smith previously, human capital and the productive ability of the labor force is both dependant on the division of labor. It’s worthy noting that human capital includes skills, dexterity, and the ability to make the right decisions and human capital can be acquired through informal schooling and on the so called on-the-job training. These acquisitions of skills aimed at improving the effectiveness of the workforce are still practiced today by ma ny companies. (An Inquiry into the Nature and Causes of the Wealth of Nations (1776) productivity) Adam Smith vs Karl Marx Both Adam Smith and Karl Marx shared a common idea and this common idea was their praise for capitalism .These two early pioneers of modern economics agreed that capitalism was the key in unleashing the productive powers. This argument stated that for the employees to be more productive, they needed to be subject to their bosses or seniors. If the employees were left to work at their own leisure these two men agreed that their productivity would be minimal and as a result, their employers would incur big losses. This created the need for competition among both the employers and the employees as well since this would keep these two parties on their feet through out. But despite these similarities in their in their views, there was differences in their ideas as well. Marx and Smith both seem to agree that capitalism is the ultimate driving force in profit maximization .New profits and value added, they seem to agree came as result of the employers paying the workers the exact value that is in the market for their labor capacity. But the sad thing was that in most cases, the market value of the goods which the workers produced exceeded that market value. This clearly means that the employers were making maximum profits while paying little to their workers. Both Marx and Smith agree that     there are different types of capital and they play different roles during production. Production Capitals include things like land, natural resources or raw materials and lastly technology. All the above named different classes of capital were dependant on each other in production. These two men seemed to agree also that social relations of production should not only be made up of relationships between individuals but rather should be between large groups of people or certain classes of people. These two men had the same idea of a free market. They described a free market as a market in which all prices of the goods that are on offer are decided by mutual consent between sellers and buyers   and also one   that did not mislead both the sellers as well as the buyers. They both argued that these two major people in the market, the buyer and the seller, should not be forced into making decision by an external party. The relationship between these two players should not be manipulated by any one but to the contrary, it should be left to obey the natural law of supply and demand. The difference between free and controlled markets is that   controlled markets are controlled by external forces These forces mostly refers to governments which may directly or indirectly try to have control of prices or the supplies in the market. One area where these two men seem to differ is their idea of job specialization. Smith advocates for specialization for jobs among workers. He argues that laborers who were assigned too many different duties were less productive than those who were assigned a specific task to perform day in day out. He says that this leads to efficient usage of time and it seeks to save time that is usually wasted by workers when moving from one task to another. But to the contrary, Karl Marx disapproves this idea arguing that job specialization could result to workers with more poor overall skills. This, as he says would be brought about by tendency of people to resist change. He also says that when people perform one task repeatedly, it may lead to boredom and make them less enthusiastic about their work. He describes this whole process as a kind of alienation. According to him, the more workers become specialized and do the same thing over and over, they later become totally alienated. Marx goes ahead to argue that division of labor brings with it spiritual depression to the workers. This means that the workers perform their duties feeling as if they are being forced other than doing out of their own will .This greatly lowers the morale of the workers and as a result lower their productivity. Physical tiredness or fatigue can be brought about by job specialization as Marx goes ahead to argue since they no longer feel like human beings but they feel more of machines. Contrary to the idea of Smith, Marx believes that fullness of production is very essential to human liberation goes on to say that he would accept the idea of a strict division of labor as a temporary necessary evil. These views can be said to be in total contrast to those expressed by Smith. Smith on his part believed that any business was a collection of inter related tasks that were aimed at solving a particular issue. So as to effectively do this, Smith argued that the workload should be divided into simple sets of tasks which could be done effectively by workers who were equipped with special skills for doing that particular job. It’s worthy noting that Smith, despite his advocating for division of labor, he does not advocate for achievement of labor division at all costs. It’s worthy noting that in contrast to Smith’s view which were only limited to functional domain only and were made up of activities that were direct in sequence as far as the manufacturing process is concerned, modern processes are very inclusive. It was as a result of his ideas that labor division was adopted. Today, we can clearly say that much of today’s practices in the job markets have bor rowed greatly from the ideas of Smith. In all organization, there is job specialization. This has led to the rise of departments in many organizations and each department is allocated certain workers who are in most cases equipped with certain skill to enable them perform specific duties .The sense in this whole exercise as argued by Smith is that it saves a great deal of time that could be wasted by employees when moving from one task to another. This proves very essential since no employer will want to waste his money employees without maximizing their productivity. However, it is good to note that Smith admits that seeking self interests is not always good. All he tried to do was trying to reverse believe that self interest is generally bad. He also intended to bring to the light the idea that wile human motives are selfish and greedy; the out come of these human behaviors would bring benefits to the whole community at large. This is the direct opposite of the ideas that Marx had .In his arguments; Marx says that the major struggles are always between the producers and those who work in the industries. Another of his greatest contribution to modern economics was his sharp distinction between the two types of division namely social and economic division of labor .If these two labor divisions are conflated, it might look as if labor division is inevitable rather than being constructed socially and influenced by power. (Adam Smith, An Inquiry into the Nature and Causes of the Wealth of Nations (1776) Karl Marx, The Poverty of Philosophy). References Edwin G. West, (1976)The Man and His Wor

Bilayer Organic Solar Cell in MATLAB

Bilayer Organic Solar Cell in MATLAB Chapter 3 Modelling and Simulation 3.1 Introduction This thesis is based on simulation of design characteristic of bilayer organic solar cell in MATLAB so it is very essential to be familiar with modelling and simulation. This chapter explains about modelling and simulation, characteristics of simulation, mathematical modelling (analytical and numerical both) and its properties, electrical modelling, work done in the field of modelling and simulation of OSC and finally small introduction of MATLAB which shows it’s features because of which this simulation work is in MATLAB. 3.2 Modelling and Simulation Modelling and simulation [1-4] is obtaining related data about how something will act without really trying it in real life. MS is using models either statically or over time, to build up data as a basis for making technical decisions. The terms modelling and simulation are often used interchangeably. Simulation skill is the tool set of engineers of each and every application domains and included in the knowledge body of engineering management. Modelling and simulation is a regulation on its own. With the addition of dynamic factor, simulation systems develop their functionality and allow to calculate predictions, estimates, optimization and what-if analyses. The meaningful abstraction of reality, follow-on in the proper necessity of a conceptualization and fundamental assumptions and constraints, is known as modelling. Simulation is execution of a model over time. Conceptualization is targeted by modelling, means modelling belongs to abstraction level and implementation is targeted by simulation, means simulation belongs to implementation level. Conceptualization (modelling) and implementation (simulation)– are the two activities that are jointly dependent, but can nevertheless be conducted by separate individuals. Modelling and simulation has helped to reduce expenses, enhance the feature of products and systems, and document. 3.2.1 Features of Simulation Interest in simulation applications are increasing gradually because of the following reasons- Use of simulation is cheaper and safer as compared to conduction of experiment. As compared to the conventional experiments, simulations can be more realistic because it permits free formation of surroundings parameters that are obtained in the active application area of the final product. As compared to real time, execution of simulation is faster because of this quality it can be used in if-then-else analysis of unlike alternatives, in particular when the essential information to initialize the simulation can simply be founded from functioning data. Tool box of conventional decision support system is being added a decision support simulation system with the use of simulation. Set up of a coherent synthetic environment is permitted by simulation which allows addition of simulated systems in the premature analysis phase through mixed virtual systems with virtual check surrounding to first prototypical elements for concluded system. If managed perfectly, the surrounding can be migrated from the growth and test domain to the domain of training and learning in resulting life cycle phases for the systems. 3.2.2 Steps for Modelling For modelling four basic steps are as follows †¢ Step 1: Monitor – In the first step conceptual model of ground profile and job objectives are developed. †¢ Step 2: Measure – In the second step theoretical model is developed which is used to explain the main processes running in the problem. †¢ Step 3: Describe – In the third step mathematical explanation of these processes are developed and to get a perfect solution verification is also done. †¢ Step 4: Verify – In the fourth step under the light of experimental physical reality, results of mathematical expression is interpretated. Confirm the suggestion, get additional measurements, enhance the complexity or precision of the mathematical result, or modify your conceptual understanding until you have complete understanding of the physical actuality. 3.3 Mathematical Modelling Fig 3.1, shows the simplest explanation of modelling – the method through which we can take out a complex physical actuality from a suitable mathematical reality on which designing of system is based. Development of suitable mathematical expression is done in numerical modelling. Mathematical modelling is a group of mathematical expressions that show the variation of a system from one state to another state (differential equations) and dependence of one variable to the other variable (state equations). The use of mathematical words to describe the performance of a system is mathematical modelling. Performance of photovoltaic system [5-7] is also illustrated by mathematical modelling. Number of different parameters (like – series and shunt resistance, ideality factor, reverse saturation current, open circuit voltage, short circuit current, fill factor, photo-generated current, efficiency) of photovoltaic system can be calculated by mathematical modelling. Fig. 3.1: Simple definition of modelling. 3.3.1 Properties of Mathematical Modelling We prefer mathematical modelling because of the following reasons With the help of mathematical model we can understand and investigate the meaning of equations and useful relations. It becomes very simple to make a educational environment in which preliminary person can be interactively occupied in guided inquiry and hands on actions with the help of mathematical modelling software (like – Stella II, Excel, online JAVA, MATLAB). Mathematical model is build up after the development of conceptual model of physical system. It is used to calculate approximately the quantitative presentation of the system. In order to spot a model’s strengths and weaknesses, quantitative outcomes obtained from mathematical modelling can be compared with observational information. The most important element of the resultant â€Å"complete model† of a system is mathematical model. Complete model is an assembly of theoretical, physical, numerical, visualization and statistical sub-models. 3.4 Types of Mathematical Modelling These can also be divided into either numerical models and analytical models. 3.4.1 Numerical Modelling – It is one of the type of mathematical modelling in which numerical time stepping method is used to obtain model response over time. Results are presented in the form of graph or table. In this thesis numerical modelling is used to analysis the design characteristic of Bilayer Organics Solar Cell. 3.4.2 Analytical Modelling – Modelling having a closed form results is called analytical modelling. In closed form results, mathematical analytic functions are used to present the response to the equations that describe variation in a system. 3.5 Electrical Modelling In this section, the electrical model for bilayer organic solar cell is described. One of the important characteristics of organic materials is their extremely small mobility, which makes modelling of their electrical properties difficult. Another problem in the electrical modelling of organic thin film devices (e. g. planar organic solar cells) was the lack of unique and precise electrical parameters for very thin layers of materials and occasionally lack of any information. Here with the aid of a self consistent loop between the Poisson equation and continuity equations for electrons and holes, the I-V curve of the device is calculated. It is assumed that the electrical current is due to the drift-diffusion transport of carrier. Consequently, in order to model the drift diffusion equations, a self consistent loop between the solutions of Poissons equation and two separate continuity equations for electrons and holes is needed. The design of the loop should be in a way such that the solution of each equation can be used as the initial conditions for the others, to generate a self correcting mechanism. The model that is used is based on the following assumptions: The generated excitons are separated right after absorption and the numbers of the generated electron-hole pairs are directly imported into the continuity equations as the generation rate . The transport properties of the organic materials can be totally modelled by mobility, DOS, bimolecular recombination term and doping levels. The connections between different layers follow the physical rules of hetero-junction connections between conventional semiconductors interfaces. The other two equations, which are solved in a closed loop with the mentioned Poisson equation, are two separate continuity equations one for the electrons and one for the holes. The flowchart of the electrical model using the mentioned equations is shown in Fig. 3.2. Fig. 3.2 : Flowchart of electrical model. 3.6 Work Done in Modelling and Simulation of OSC Pettersson et al (1999)[8] have reported a model based on the experimental short circuit light generated current action spectrum of poly(3-(4’-(1†,4†,7†-trioxaoctyl)phenyl)thiophene) (PEOPT)/C60 fullerene hetero-junction photovoltaic devices. This modelling was completely based on the assumption that generation process of photocurrent is the result of creation, diffusion and dissociation of excitons. Using complex refractive indices and layer thickness, internal optical electric field was computed. We got values for exciton diffusion length of 4.7 and 7.7 nm for PEOPT C60 respectively. Computed photocurrent and electric field distribution were used to study the effect of geometrical architecture with respect to the efficiency of device. Cheknane et al (2007)[9] has reported a photovoltaic cell in which photo-active layer of MDMO-PPV and PCBM material is sandwiched between ITO and Al electrodes, there is an additional interfacial layer of PEDOT/PSS on the top of ITO. Comparision between V-I characteristics of device with and without extra interfacial layer is done and modelled by electrical equivalent circuit. Simulation results show that V-I characteristics of bulk hetero-junction solar cell is affected by extra interfacial layer of PEDOT/PSS. Hwang et al (2007)[10] has reported drift-diffusion time dependent model of OSC based on blends of P3HT and red polyfluorene copolymer. In this model electron trapping and field dependent charge separation is used to investigate the device physics. This model is used to reproduce practical light-generated current transients observed in response to variable intensity step function excited light. Vervisch et al (2011)[11] has reported OSCs simulation using finite element method. Using finite difference time domain process, optical modelling is done and electrical characteristics is obtained by solving Poisson’s and continuity equations. Simulation results show the effect of physical parameters like exciton lifetime on OSC performance. Casalegno et al (2013)[12] has reported numerical approaches that give valuable information of microscopic processes underlying generation of photo-current in OSC. Here 3D master equation approach is used in which equations explaining particle dynamics rely on mean field guess and result is obtained numerically. Reliability of this method is tested against Kinetic Monte Carlo simulation method. V-I curve shows that the result of this method is very close to the exact result. Because of the adoption of mean field approximation for electrostatic interactions, we get biggest deviation in current densities. Strong energy disorder can also affect response quality. Simulation results show that master equation approach is faster than Kinetic Monte Carlo approach. Foster et al (2013)[13] presented a drift-diffusion model to obtain V-I curves and equivalent circuit parameters of bilayer organic solar cell. Minority carrier densities are neglected and final equations are solved with internal boundary condition on material interface and ohmic boundary condition on contacts. From the solution of this model V-I curves are calculated. 3.7 Introduction to MATLAB MATLAB [13] is a high performance language for technical computing. It integrates calculation, visualization and programming in a simple to use surroundings where troubles and solutions are presented in well-known mathematical notation. MATLAB can solve technical computing troubles faster than conventional programming language (like – Forton, C, C++). Typical uses include – Financial modeling and investigation Computational biology Math and computation algorithm development Data acquisition modeling Simulation and prototyping data study Exploration and visualization Graphics application development for scientific and engineering field Graphical user interface building Matrix laboratory is the full form of MATLAB. Basic data element in MATLAB is an array which does not need dimensioning. With the help of MATLAB number of technical computing troubles mainly those with vector and matrix formulations can be solved in a fraction of time. Basically it was written to give simple access to matrix software. For advance science, mathematics, engineering field and high productivity industrial research, progress and study MATLAB is very important instruction tool. Comprehensive collection of MATLAB functions are toolbox. Toolboxes of MATLAB permit us to study and apply specific technology. Toolboxes are available in different areas like – neural network, communication, signal processing, fuzzy logic, simulation, control system and many others. Differential equations are solved very easily in MATLAB [14-17]. We can also do modeling and simulation of solar cell using MATLAB [18,19]. 3.8 Conclusions This chapter explains about modelling and simulation. Presentation of physical configuration or activities of device by conceptual mathematical model that approximates this behavior, is called modeling. Model may either be closed form equation or arrangement of simultaneous equations that are numerically solved. Analytical and numerical both type of analysis can be used in modeling. Simulation is process of imitating the physical system behavior by considering the characteristic of an analogous but different system without resorting direct practical experimentation. For simulation we are using MATLAB which is a high performance technical computing language. We get that MATLAB integrates calculation, programming and visualization in a simple to use surroundings where mathematical expressions are used to express troubles and solutions. Because of all these qualities of MATLAB a system of number of numerical equations used for electrical modelling of bilayer organic solar cell are solved easily and in better way as compared to other programming languages. 3.9 References [1] B. P. Zeigler, Wiley, New York, (1976). [2] A. M. Law and W.D. Kelton, 2nd ed., McGraw-Hill,  New York, (1991). [3] F. Haddix, Paper 01F-SIW-098, Proceedings of the Simulation Interoperability Workshop, Fall (2001). [4] A. Crespo-Mà ¡rquez, R. R. Usano and R. D. Aznar, Proceedings of International System Dynamics Conference, Cancun, Mexico, The System Dynamics Society, (1993), 58. [5] J. S. Kumari and C. S. Babu, International Journal of Electrical and Computer Engineering (IJECE), 2(1), (2012), 26-34. [6] P. Sudeepika, G.Md. G. Khan, International Journal of Advanced Research in Electrical,Electronics and Instrumentation Engineering, 3(3), (2014), 7823-7829. [7] M. Abdulkadir, A. S. Samosir, A. H. M. Yatim, International Journal of Power Electronics and Drive System (IJPEDS), 3(2), (2013), 185-192. [7] L. A. A. Pettersson, L. S. Roman, and O. Ingana, Journal of Applied Physics, 86, (1999), 487-496. [8] A. Cheknane, T. Aernouts, M. M. Boudia, ICRESD-07, (2007), 83 – 90. [9] I. Hwang, C. R. M. Neill, and N. C. Greenham, Journal of Applied Physics, 106, (2009), 094506:1-10. [10] W. Vervisch, S. Biondo, G. Rivià ¨re, D. Duchà ©, L. Escoubas, P. Torchio, J. J. Simon, and J. L. Rouzo, Applied Physics Letters, 98, (2011), 253306:1-3. [11] M. Casalegno, A. Bernardi, G. Raos, J. Chem. Phys., 139(2), (2013). [12] J. M. Foster, J. Kirkpatrick, and G. Richardson, Journal of Applied Physics, 114, (2013), 104501:1-15. [13] A. Knight, CRC Press LLC, (2000). [14] R. K. Maddalli , Indian Journal of Computer Science and Engineering, 3(3), (2012), 406-10. [15] Z. M. Kazimovich and S. Guvercin, International Journal of Computer Applications, 41(8), (2012), 1-5. [16] A. B. Kisabo, A. C. Osheku, A. M. Adetoro, A. Lanre and A. Funmilayo, International Journal of Scientific and Engineering Research, 3(8), (2012), 1-7. [17] V. Nehra, I.J. Intelligent Systems and Applications, 05, (2014), 1-24. [18] S. Nema, R. K. Nema, and G. Agnihotri, International Journal of Energy and Environment, 1(3), (2010), 487500. [19] M. Edouard, D. Njomo, International Journal of Emerging Technology and Advanced Engineering, 3(9), (2013), 24-32.

A Days Time :: essays research papers

Centuries apart Robert Herrick and Robert Frost wrote poems illustrating the brevity of life. “To the Virgins, to Make Much of Time'; by Herrick and “Nothing Gold Can Stay'; by Frost are the two poems which address the limited time humanity, especially the time of youth, has to spend in this life. Both authors use nature to symbolize the shortness of life and the time spent in youth.   Ã‚  Ã‚  Ã‚  Ã‚  A symbol of nature utilized in both poems is a flower. In full bloom, a flower is in its most beautiful and prolific state. In youth, man is in the same state of a flower in bloom, resplendent and bountiful, but the time of beauty for a flower and youth is short. Herrrick states in lines 3-4 “And this same flower that smiles today,/ Tommorrow will be dying,';(728) which is a symbol of the shortness of youth. Frost in lines 3-4 “Her early leaf’s a flower;/ But only so an hour,';(989) also symbolizes the fleeting time of youth. In the beginning, a flower and youth are filled with vitality, but in a short amount of time the flower will wilt and die, and the youth will be an adult on a passage to death.   Ã‚  Ã‚  Ã‚  Ã‚  The second symbol used by Herrick and Frost is the day: youth is dawn, adulthood is midday, and death is the setting of the sun. From the day man is born, he is dying. In the second stanza, Herrick illustrates the shortness of a day; the higher in the sky the sun gets, the closer to setting it gets. In line 7, “So dawn goes down to day,'; (990) Frost also addresses the limited time man has in life. Frost’s choice of the word down to describe the action of the sun helps to make the symbol of the day more clear, by illustrating the shortness of a day. Usually one thinks of the sun rising in the day not going down until after noon.

Bizet, Georges :: essays research papers

Georges Bizet   Ã‚  Ã‚  Ã‚  Ã‚     Ã‚  Ã‚  Ã‚  Ã‚  Georges Bizet was born in Paris on October 25th, 1838. He was trained by his parents, who were musical, and admitted to the Paris Conservatoire just before his tenth birthday. There he studied counterpoint with Zimmerman and Gounod and composition with Halà ©vy, and under Marmontel's tuition he became a brilliant pianist. Bizet's exceptional powers as a composer are already apparent in the products of his Conservatoire years, notably the Symphony in C, a work of precocious genius dating from 1855 (but not performed until 1935). In 1857 Bizet shared with Lecocq a prize offered by Offenbach for a setting of the one-act operetta Le Docteur Miracle; later that year he set out for Italy as holder of the coveted Prix de Rome.   Ã‚  Ã‚  Ã‚  Ã‚  During his three years in Rome Bizet began or projected many compositions; only four survive, including the opera buffa, Don Procopio (not performed until 1906). Shortly after his return to Paris, in September 1861, his mother died; the composer consoled himself with his parents' maid, by whom he had a son in June 1862. He rejected teaching at the Conservatoire and the temptation to become a concert pianist, and completed his obligations under the terms of the Prix de Rome. The last of these, a one-act opà ©ra comique, La guzla de l'emir, was rehearsed at the Opà ©ra-Comique in 1863 but withdrawn when the Thà ©Ãƒ ¢tre-Lyrique director, who had been offered 100 000 francs to produce annually an opera by a Prix de Rome winner who had not had a work staged, invited Bizet to compose Les pà ªcheurs de perles.   Ã‚  Ã‚  Ã‚  Ã‚  Bizet completed it in four months. It was produced in September 1863, but met with a generally cool reception: an uneven work, with stiff characterization, it is notable for the skilful scoring of its exotic numbers. In the ensuing years Bizet earned a living arranging other composers' music and giving piano lessons. Not until December 1867 was another opera staged - La jolie fille de Perth, which shows a surer dramatic mastery than Les pà ªcheurs despite an inept libretto. It received a good press but had only 18 performances.   Ã‚  Ã‚  Ã‚  Ã‚  1868 was a year of crisis for Bizet, with more abortive works, attacks of quinsy and a reexamination of his religious stance; and his attitude to music grew deeper. In June 1869 he married Genevià ¨ve, daughter of his former teacher, Halà ©vy, and the next year they suffered the privations caused by the Franco-Prussian war (Bizet enlisted in the National Guard).

“Pygmalion” explores Bernard Shaw’s idea

â€Å"Pygmalion† explores Bernard Shaw's idea that people should not be limited by the social class into which they were born; that they should have a chance to improve themselves by gaining an education. This is called the â€Å"nature versus nurture† debate, which marked a major change in Victorian England. Should we remain in the position we were born into (nature), as was the basic Victorian belief, or can we change our status; establish equality between people regardless of age, gender and race (nurture)? Education is the foundation of these aims and is presented in the play as a way of self-improvement through teaching and training, whether it is academically or socially based. The characters around Eliza treat her with contempt. When Eliza convinces Mrs Eynsford Hill to buy flowers from her, her daughter, Clara says to her mother â€Å"Make her give you the change. These things are only a penny a bunch†¦ Sixpence thrown away! (She retreats in disgust). † This shows the upper classes view those beneath them as worthless-the money is not spent or given but is â€Å"thrown away† as if it has been put in the dustbin. Clara does not address Eliza, but talks as if she is not there, showing that Clara wants to distance herself from Eliza. This indicates that the majority of the upper classes believed in â€Å"nature†; everyone had a set place in society that could not be changed. It also shows that Clara is not as well educated as she would like to think; she does not believe in self-improvement, and so does not understand the concept of education. Eliza however, believed in bettering her situation in life. â€Å"I want to be a lady in a flower shop ‘stead of sellin' at the corner†, proving that she was an ambitious character, and believed in fulfilling her potential. This demonstrates that Eliza believes in the â€Å"nurture† side of the argument, and even though she has not received an outstanding amount of education, she is willing to be educated in order to change herself as a person. She is also ashamed of her current status. When she takes a taxi to her home, she tells the taxi-driver to go to â€Å"Bucknam Pellis†. When the driver questions her, she replies â€Å"Of course I havnt none (any business there). But I wasn't going to let him know that. You drive me home†¦ Angel Court, Drury Lane, next Meiklejohn's oil shop. This reflects her proud personality-she doesn't want to look â€Å"lower class† in front of Freddie. It also highlights her situation in life as it contrasts her poverty to the richness of the royal family. It shows her lack of knowledge of social matters because she does not know anywhere else that is an affluent area, and so is unconvincing at being â€Å"upper class†. However, by the end of the play, she manages to make everyone believe that she is a duchess, which proves that she has learned a great deal socially. We immediately assume that Higgins is rude, as a result of one of the first things he says. Oh, shut up, shut up. Do I look like a policeman? † This is supposed to reassure Eliza, but with his sarcasm and abrupt language, he does little to console her, implying that he has poor social skills. If he choose to improve these it would make him a better person; he would become more compassionate towards others. Higgins boasts about his talent for improving men's statuses, when they have moved up the social ladder. â€Å"Men begin in Kentish town with i80 a year, and end up in Park lane with 100 thousand. They want to drop Kentish Town, but give themselves away every time they open their mouths. Now I can teach them†¦ I can place any man within two miles of London. Sometimes within two streets. † This shows that Higgins is a learned man. It also proves that there are different types of education; there is a contrast between Higgins' knowledge and Eliza's. Higgins first sees Eliza as â€Å"so deliciously low, so horribly dirty†¦ I shall make a duchess of this draggletailed guttersnipe. † He sees her as a challenge, and focuses on her appearance. He calls her names because â€Å"the girl doesn't belong to anybody-is no use to anybody but me. Higgins regards her as an object without an owner, which again highlights his lack of inter-personal skills. Higgins' lack of social education is contrasted against that of the Colonel. Pickering asks, â€Å"Does it occur to you, Higgins, that the girl has some feelings? † To which Higgins replies â€Å"Oh no, I don't think so. Not any feelings that we need bother about. † This indicates Higgins's complete lack of respect towards Eliza, and that he only sees her as an experiment, not as a human being. He regards well-educated people as his equal, so by teaching Eliza, he is able to change his opinion of her. Again, this reflects the â€Å"nurture† side of the â€Å"nature versus nurture† debate; by educating people, we can overcome our prejudices and promote equality. Eliza's first reaction towards Higgins is totally the opposite of Higgins's reaction. She acts â€Å"(quite overwhelmed, looking up at him in mingled wonder and deprecation without daring to raise her head. )† This is partly because of his talent at placing accents, and also due to the respect she has for his standing in society. The difference in their reactions reflects Higgins and Eliza's characters. We can see that as Eliza's social skills are more acceptable, (even though her academic and social standing is below Higgins) she draws a more favourable conclusion. It shows that she has a better social awareness than Higgins, so she is able to educate him, which again, encourages equality. The first learning point for Eliza occurred at Higgins's house, where she learned elements of social ritual. Firstly, Mrs. Pearce shows her the bathroom, where Eliza has to get accustomed to the differences in standards of hygiene of the higher classes. She is not used to having a bath. â€Å"You expect me to wet myself all over? † she exclaims, when Mrs. Pearce shows her the bathroom. â€Å"It's not natural: it would kill me. I've never had a bath in my life† This demonstrates how dirty she is, and how unaccustomed Eliza is with soap and water; hygiene is a major aspect that Eliza learns while staying at Higgins's house. However, her attitude dramatically changes, and she even says, â€Å"washing is a treat†, showing how rapidly education can change ones opinions. Mrs Pearce is shocked by Eliza's nightly habits; â€Å"do you mean to say that you sleep in the underclothes you wear in the daytime? † This again highlights the difference between the classes. Higgins' fine furnishings contrast starkly with her cramped living conditions on Drury Lane. â€Å"I couldn't sleep here,† Eliza tells him. â€Å"It's too good for the likes of me. † She is still used to being regarded as below everyone else, and having inadequate living standards. By being taught the social rituals of a different class in society, Eliza can become an equal to Higgins and Pickering. By having Eliza in the house, Higgins also learns to control his behaviour. Mrs Pearce asks him â€Å"not to come down to breakfast in his dressing gown or use it as a napkin† because this is unacceptable, and he is supposed to be setting an example to Eliza. This shows that no matter what their social standing, everyone can improve their education, even though it may be arduous. When Eliza has her first speaking lesson, she realises that it is not going to be as easy as she originally thought â€Å"I can't hear no difference cep that it sounds more genteel-like when you say it† she moans. However, the knowledge that she has already gained from Higgins encourages her to continue because she can see that education will improve her life and the way she lives it. By changing Eliza's appearance, Higgins and Pickering begin to make her acceptable in higher-class society. â€Å"(Eliza, who is exquisitely dressed, produces an impression of such remarkable distinction and beauty as she enters that they all rise)†. Even though she looks presentable, Eliza is unaccustomed to the etiquette and behaviour of the upper classes, as Higgins tells her â€Å"†¦ to keep to two subjects of conversation†. This is because she is unreserved in her speech. When she attends Mrs. Higgins's â€Å"at-home day† she talks about her drunken father and swears, both of which is inappropriate behaviour. She talks of the death of her aunt, â€Å"What become of her new straw hat that should have come to me? Somebody pinched it; and what I say is, them as pinched it done her in†. Here, her grammar is poor and she uses slang. This is unacceptable to the company she is with. Higgins learns that this is the key area he needs to work on, as she gives â€Å"herself away with every sentence she utters†. It proves that education goes deeper than appearances; Eliza has to change from the inside. Eliza did change internally when she had to learn new skills. Without them, the material possessions such as jewellery and clothes would have been futile. She learns to speak more eloquently, she first spoke with a Cockney accent, and ended up having the hostess at an Embassy in London say that â€Å"she speaks English perfectly†. In fact, they say that she is not English, â€Å"Only foreigners, who have been taught to speak it, speak it so well†. This concludes that is possible to alter one's social standing through education, and that both social and academic knowledge is compulsory to make this transition. The transformation of Eliza affects her whole outlook on life. Eliza does not really realise it until the end of the character shift, when she is unsure of where she is headed. â€Å"Oh! If only I could go back to my flower basket! Why did you take my independence away from me? † Higgins tells her â€Å"Why, six months ago you would have thought it the millennium to have a flower shop of your own†. However, now that she is more aware of the world, she becomes more ambitious. Her education has allowed her to see herself and analyse her life † I'll advertise it in the papers that your duchess is only a flower girl that you taught, and that she'll teach anybody to be duchess just the same in six months for a thousand guineas†. This demonstrates her confidence and also her increased academic knowledge; she feels able to teach people. Even Higgins notices the change within her. â€Å"You were like a millstone around my neck. Now you're a tower of strength. † He is proud of her achievements. This is a radical change from the beginning of the play, when he was constantly insulting her. He even admits that he has â€Å"learnt something from (her) idiotic notions: I confess that humbly and gratefully†, showing that he has become more open minded to other people's ideas. The characters have changed on the outside and from within. It is only by having a greater awareness of the world that Eliza could say â€Å"†¦ When a child is brought to a foreign country, it picks up the language†¦ and forgets its own. Well, I am a child in your country. I have forgotten my own language and can speak nothing but yours. This shows her knowledge of culture and behaviour, as well as using appropriate language and a total change on her part, which she benefits from. She has undergone a dramatic self-improvement. Higgins has not changed so radically, but has learned â€Å"the great secret. (It) is not having bad manners or good manners or having any other particular kind of manners, but having the same kind of manner for all human souls. † He has finally learned to treat Eliza as an equal, which is a valuable lesson learnt from her. Both Higgins and Eliza have been nurtured, to become better people, by having a greater academic and social understanding.

Bpo Attrition- the Problem and Its Solution Essay

Human Resources In Indian Business Process Outsourcing Organizations- Attrition. Is there any solution? Business Process Outsourcing (BPO) is likely to be the next big thing for services in this decade. The industry is very diverse, with several sub-segments, each displaying its own unique characteristics. The BPO players need to be excellent in every facet of operations as the market is highly competitive at every level and re-defining itself every day. Being a People-Centric industry what are the people issues that, the HR will have to handle? What are the challenges faced by HR in dealing with them? HI Before this, one needs to gain an understanding about BPO’s and what businesses are Indian companies doing in this segment? BPO is based on the premise that whatever competencies are not very important for an organization   (not their core competencies); outsource or ask somebody else who is adept at doing it, to do it for the organization. In this way the organization can concentrate on its core competencies and not worry about on trivial issues, which are not strategic in nature. But these days we even find organizations outsourcing their core competencies or the core business aspects to BPO’s to gain the advantage of cost cutting and quality issues. Typically, BPO would include call centers, problem solving in insurance sector to other sophisticated activities like research and other back office dealings. India has the advantage of low cost, highly qualified English speaking labour, thus most of the BPO ventures in India are call centers, although of late, companies are entering into high-end areas like research. But for sometime at least we can assume that most of the companies would be doing the call center kind of business. Most of these kinds of jobs get done in the night in India to account for the 12-hour time lag between US and India. Over a period of time the biological rhythm of the employee changes, causing various kind of disorders like indigestion, fatigue, headaches etc. so the health of the employee is a major concern for the HR, more so because most of them are graduates in their early twenties. In addition the jobs are monotonous, often nerve wracking. So it is a challenge for HR to adequately rotate the jobs of employees and provide them with enough time to refresh, so that they are able to deliver service of highest quality. Although many companies are targeting fresh graduates, they are not able to retain them. Attrition continues to be high 35%. HR has to ensure that a proper career path is chalked out so that graduates increasingly see this area as a potential career for them. Clients in US, UK and other European Countries are very quality conscious and as increasingly complex jobs get outsourced, it becomes important that HR ensures right quality people are selected and the right quality of training is provided to them. This ensures that later they do not face embarrassing time from their clients. There has been enormous requirement in this sector for manpower and huge salaries are up for taking. The times are good for this industry, but one has to keep in mind that this industry is still in its way to figure out in the growth stage. One cannot predict the future so easily and the sour experience of software companies is still fresh in minds. So a little bit of caution is to be exercised in this matter and proper trends have to be forecast by the HR to ensure that they do not go the software way when ultimately the industry stabilizes. Attrition †¦ A major problem rocking the Industry. Some Facts to Ponder about†¦ * 95% companies in the industry have Attrition problems * The small-sized and medium-sized companies loose more people * Turnover rates are as high as 30% in some reputed BPO’s and over all around 35% in the Industry. Employees move to smaller companies for exciting opportunities and greater identity and move to large companies for defined roles, clearer career paths and better HR systems. Loyalty towards their employer or towards the organization has slowly seems to have disappeared. Executives know that fast-moving markets require fast-moving organizations that are continually refresh ed with new talent, and they have become quite adept to outside hiring. Even companies are quite comfortable with bringing in talent; they remain distinctly uncomfortable about seeing talent leave. The competition to headhunt employees with good performance ratings of other organizations is an open ploy. The mediators (so called Consultants) make this job easy for the organizations by gaining the data bases of employees and they lure the employees by offering huge pay packages finally making them to move from their job. One of the biggest assets of the BPO Industry is manpower. So, the biggest challenge in this industry is to attract and retain knowledgeable manpower. Today, BPO companies are facing a shortage of knowledge workers because the rate at which they lose employees is almost ouble the rate at which they hire. A major proportion of the turnover issue is attributed to the movement of manpower to the Companies who lure them by offering either better pay or higher designation. The average stay of an employee in bpo companies has dropped to one year. In such a scenario where companies are fighting to combat global business competition, and struggling to survive, employee turnover comes as a double blow. And the issue of managing employee separation often gets ignored. Just because a business is dependent on Communication skills, for instance, doesn’t mean that it has to go to great lengths to retain its employees. If there’s a large pool of people with good communication skills available, it might want to focus on recruitment rather than retention. Moreover, since new hires have lower salaries than long-term employees, the company is able to keep a lid on compensation levels. Cooperating with competitors is another way of dealing with retention. Because of the intensity of talent-war, companies instinctively view retention and recruitment as competitive exercises. But history shows that cooperation, even among competitors, can be one of the most effective ways of dealing with talent shortages. A New concept called Anti Poaching agreement between BPO organizations is on the Move. According to this agreement, the parties getting in to the agreement will share their employee databases with each other and so will restrain employees to shift in to each other companies. Lets hope that this works good for the BPO’s. Frequent job-hopping of employees is not good for any one, neither for the company nor for the employee in terms of Growth.