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Reasons For Writing A Research Proposal
Monday, August 24, 2020
International politics and Law Essay Example | Topics and Well Written Essays - 1000 words
Worldwide legislative issues and Law - Essay Example 47 states are presently the individuals from UNHRC of which African and Asian commitment is 13 expresses every, 12 states are from Europe, 8 from Latin America and Caribbean and United States of America is the main part from North America. The UNHRC was built up in March 2006. The committee received its Institution Building Package in its first gathering in June 2007 and the components of the foundation bundle were detailed to fill in as rule for future turns of events. The most significant component is the Universal Periodic Review which is detailed for the appraisal of the human rights circumstance in all the part conditions of the United Nations. A warning board of trustees cares for the human rights circumstance in the various areas of the world and offers suggestions to gadget techniques and strategies for guaranteeing the conveyance of human rights to every single human in this world. The United Nations Convention on the Elimination of All Forms of Discrimination against Women was embraced and opened for mark, confirmation and increase by the General Assembly goals 34/180 of 18 December 1979 and was gone into power on third September 1981. It is one of the nine significant settlements of United Nations on Human Rights. All the state gathering to this human rights settlement will undoubtedly watch the conditions of the arrangement and the UN Human Rights Council offers suggestions to the administrations for watching the human rights limitations as referenced in this show. The show depends on the UN Charter of crucial human rights which expresses the nobility and worth of the human individual and equivalent rights for people. The show expresses that oppression any individual dependent on race, doctrine, nationality or sex is unsuitable in light of the fact that every single person are brought into the world free and equivalent in respect and rights and every single individual in this world is allowed to rehearse his convictions and philosophy and lead a rea l existence as per the manner in which he considers reasonable for himself. The show lays weight on the privileges of ladies in the states gathering to the show and expresses that equivalent financial, social, social, common and political privileges of people ought to be guaranteed. The show builds up worries over the ladies rights infringement on the planet and stresses the annihilation of prejudice, hostility, hardship of fundamental privileges of food, garments and sanctuary to ladies. Throughout the years the show has been marked and approved by practically all the nations of the world and has demonstrated to be successful in guaranteeing the arrangement of ladies rights in different locales of the world. The state of ladies is truly disgraceful in different locales of the world which incorporate South Asia, Africa, Middle East and Northern Africa. Certain coldhearted customs are as yet drilled in different nations of these areas and ladies are focused in these conventions. The ladies in these locales are as yet not rewarded on equivalent premise in these districts of the world. The legislatures of these areas have set up rules and rules and have passed sacred laws and corrections for securing the privileges of the ladies however the circumstance in a portion of the districts is still extremely disturbing. The United Nations Human Rights Council is working adequately in detailing such episodes to the individual governments and United Nations bodies and taskforces. UNHRC additionally gives its suggestions to the legislatures and the United Nations bodies to uphold the human rights shows in these regions. These endeavors have been demonstrated very
Saturday, August 22, 2020
Effect of Temperature on Vitamin C in Orange Juice
Impact of Temperature on Vitamin C in Orange Juice Conceptual: This test was wanted to concentrate how various temperatures can influence the loss of nutrient C in squeezed orange put away for a fixed timeframe. Equivalent volume of newly pressed orange juices with known (beginning) nutrient C fixation were put away at various temperatures for example 10à °C, 20à °C, 30à °C, 40à °C, 50à °C and 60à °C for a steady length of 5 days. After the capacity time frame, the nutrient C fixation for every temperature was estimated by DCPIP titration and the distinction comparative with the underlying focus was determined to ascertain the measure of nutrient C decreased. The consequence of this investigation demonstrated that the measure of nutrient C lost increments with the expansion in temperature and 10oC was the best temperature that gave minimal decrease in nutrient C focus. An examination utilizing Pearson item second connection coefficient has uncovered a solid positive direct connection between the two factors with the determined r esteem sur passes the basic incentive at 5 % critical level in this manner, supporting the exploratory speculation. Nutrient C is a momentous compound gotten from one of the ascorbic enantiomers, L-ascorbate. It is a water dissolvable nutrient that can't be normally combined in human body.1 Therefore, it is indispensable to have our eating regimen offset with satisfactory measure of it consistently. There are two significant jobs played by nutrient C; cancer prevention agent and collagen formation.2 These two highlights have put nutrient C in its very own class as a future potential in encouraging better wellbeing. A past research with respect to connection between nutrient C and human mind has demonstrated that nutrient C could help medications to pass the blood cerebrum barrier.6 This would empower mind maladies, for example, Parkinson to be successfully treated as counterfeit dopamine can be conveyed straightforwardly to the mind. Simultaneously, the greatest test in bone marrow treatment for example getting enough cells, might be illuminated as an ongoing report by Dunagqing Pei13 on nutrient C, has discovered that it can support the creation and pluripotency of foundational microorganisms in human body. Be that as it may, Vitamin C is likewise known to be truly helpless towards heat. The antecedent of nutrient C, ascorbic corrosive, has atomic of C6H8O6. The closeness of exceptionally electronegative oxygen molecules on the hydroxyl (OH) bunches makes the hydrogen particles to turn out to be handily disconnected from the structure. In the mean time, the nearness of warmth causes the hydroxyl attach to break the ascorbic corrosive is said to experience decimation or oxidation by losing hydrogen iotas, framing dehydroascorbic corrosive. Subsequently, it is proposed that the pace of ascorbic corrosive annihilation is fundamentally more prominent at higher temperature.* The majority of the investigations on nutrient C debasement are essentially founded on the impact of capacity condition and period, and not many were done on recognizing the corruption pattern inside a particular scope of temperature. Past research, on the impact of capacity techniques and conditions on nutrient C maintenance in human milk uncovered that freezing diminishes minimal measure of nutrient C when contrasted with other capacity strategies, trailed by refrigeration which is superior to cold water. Another examination at Ankara University, has indicated a reverse connection among temperature and consistency standard of nutrient C in citrus natural product concentrates, while orange organic product was found to have higher maintenance capacity than the others. Hence, this analysis was intended to locate a particular pattern in regards with the impact of temperature on the loss of nutrient C. Citrus natural products (orange) were utilized in this investigation because of considerable measure of nutrient C that they have, in this manner, expanding the dependability of the outcomes. The outcomes from this investigation can be utilized to delineate how certain temperatures can cause intense change in nutrient C henceforth, expanding the mindfulness on valuing the exertion of protecting nutrient C content in nourishment for ideal medical advantage. For example, in horticultural tropical districts that develop citrus organic products, it turns out to be essential to safeguard the natural products at low temperature if conceivable because of higher possibility of nutrient C obliteration than different locales. Exploratory Hypothesis: The higher the temperature, the higher the debasement of nutrient C in newly crushed squeezed orange. Invalid Hypothesis: There is no noteworthy connection between the diverse temperature and the corruption of nutrient C in newly crushed squeezed orange. Arranging Five sorts of citrus natural products were haphazardly picked, namel: lemon, lime, grapefruit, Clementine and orange. The new squeeze of each natural product was gotten through cutting and crushing. The nutrient C content for every juice was controlled by titration against 1 ml of 1 % DCPIP. The titration was rehashed multiple times to get a normal volume of the juice expected to decolourise DCPIP. The outcome: Minimal volume of orange was expected to decolourise DCPIP, showing that it has the most elevated nutrient C content. Along these lines, orange natural product was picked as it would give huge reaction towards various temperatures. Deciding the best stockpiling time frame: A few orange organic products were pressed to get new squeezed orange that would be sufficient for its nutrient C substance to be estimated on regular routine. Right off the bat, the underlying nutrient C substance of the juice was estimated and 4.8 ml was expected to decolourise 1 ml of DCPIP arrangement. Equivalent volume of the rest of the juice was separated into two measuring utencils and every wa put away in a hatchery of various temperatures (10à °C and 60à °C). Two unmistakable temperatures were picked to permit simple correlation of the pattern in every temperature. The outcome: The outcome shows no more change in volume of juice required following 5 days for 60à °C. In this way, stockpiling time of five days were picked for the principle analyze. Primary EXPERIMENT Factors: Controlled variable: Different temperatures (oC) (6 hatcheries were set at various temperatures of 10à °C, 20à °C 0, 30à °C, 40à °C, 50à °C and 60à °C) Reacting variable: Amount of nutrient C lost (By DCPIP titration, the distinction among introductory and last nutrient C focus in every juice wasâ calculated to decide the grouping of nutrient C diminished) Fixed factors : Storage period, volume and convergence of DCPIP, kind of natural products (The capacity time frame was five days. 1ml of 0.1% DCPIPà Used for every titration) Mechanical assembly: Containers, blade, test tubes, syringes, Parafilm, aluminum paper, hatcheries, mortar and pestle, estimating chamber. Materials: Orange natural products, 1% dichlorophenolinophenol (DCPIP) arrangement, refined water, 500 mg nutrient C tablet. Genuine Experimental Procedures: Normalizing Vitamin C Concentration: 1) A tablet of 500 mg nutrient C tablet was squashed into fine powders utilizing a mortar and a pestle. 2) The fine type of nutrient C was then broken up into 100 ml of refined water in a measuring utencil to frame 5 mg/ml of ascorbic arrangement. 3) 1 ml of 1% DCPIP arrangement was estimated and set into a test tube by utilizing a syringe. 4) 1 ml of 5 mg/ml of ascorbic corrosive arrangement was then taken utilizing a syringe and included drop by drop into the deliberate DCPIP arrangement until decolourised. 5) The volume of ascorbic corrosive arrangement expected to decolourise the DCPIP arrangement was recorded. 6) The titration procedure was repeater multiple times to get a normal volume. The consequence of titration is as per the following: Volume of Juice Titrated/ml Henceforth, 2.5 ml of 5 mg/ml of ascorbic corrosive arrangement was expected to decolourise 1 ml of 1% DCPIP arrangement To discover an equation to figure nutrient C focus in squeezed orange, Conc. of squeezed orange (mg/ml) Vol. of squeezed orange (mg/ml) = 5 mg/ml 2.5 ml Since the volume expected to decolourise is corresponding to nutrient C focus. So. Conc. of squeezed orange (ml) 2.5 ml = 5 mg/ml Vol. of squeezed orange (mg/ml) 2.5 ml Centralization of squeezed orange (mg/ml) = X 5 mg/ml Vol. of squeezed orange (ml) Along these lines, this figuring would be utilized to ascertain the nutrient C focus. Deciding nutrient C misfortune: 10 orange natural products were sliced and pressed to get new squeeze. 1 ml of 1% DCPIP arrangement was estimated and set into a test tube by utilizing a syringe. 1 ml syringe was loaded up with the squeezed orange and included drop by drop into the DCPIP arrangement until it decolourised. The volume of juice included was recorded. The titration was rehashed multiple times to get a normal volume and its nutrient C fixation was determined utilizing the inferred equation. The juice was then partitioned into 6 equivalent volumes and each positioned into 100 ml recepticle. The highest point of every container was fixed with Parafilm and its surface was wrapped with aluminum paper and marked with various temperatures. The measuring utencils were put in six hatcheries of various temperatures as per the name and left for five days. Following five days, the measuring utencils were closed. 1 ml of 1% DCPIP arrangement was estimated and moved into a test tube by utilizing a syringe. The squeezed orange put away in 10à °C was taken by a syringe and included drop by drop into the DCPIP until it decolourised. The volume of juice included was recorded The titration was titrated multiple times to get a normal volume and its nutrient C focus was determined utilizing the recipe: 2.5 ml Convergence of squeezed orange (mg/ml) = X 5 mg/ml Vol. of squeezed orange (ml) Stages 8-10 were rehashed yet this time utilizing the orange juices put away in à °C, 30à °C, 40à °C, 50à °C and 60à °C. The distinction between the underlying fixation and the last centralization of every juice was determined to decide the measure of nutrient C lost. Hazard Assessment: The way toward cutting the orange organic products required the utilization of blade, so it was done cautiously to stay away from any injury. The organic products were then crushed tenderly to limit heat creation. The juice was just arranged just before the trial was going to be done. DCPIP is a solid color which is difficult to be expelled so sterile garment wa
Saturday, July 25, 2020
Changing Concentrations You dont have to stick with the concentration you picked when you first applied. COLUMBIA UNIVERSITY - SIPA Admissions Blog
Changing Concentrations You dont have to stick with the concentration you picked when you first applied. COLUMBIA UNIVERSITY - SIPA Admissions Blog At SIPA, every MIA and MPA student pursues a concentration and specialization. These are similar to an undergraduate major and minor, respectively. I applied to SIPA expecting to concentrate in International Security Policy (ISP); however I changed my mind during orientation after attending an information session and signed up for the Economic and Political Development concentration (EPD). I made the initial switch from ISP to EPD largely based on where I thought I wanted to be after graduation. I spent four years in Washington D.C. prior to SIPA and felt that EPD would offer more opportunities to live and work in other cities. While it was true that many ISP students ended up in D.C. after school, ISP was a much better fit with my personal interests and professional ambitions. I changed back to ISP after one semester. The administrative process of changing from one concentration (or specialization) is easy. It simply requires the student to submit the necessary form to the Office of Student Affairs. The bigger concern when changing concentrations is timing. There are three levels of graduation requirements at SIPA: your degree (MIA/MPA), your concentration, and your specialization. The longer you take to settle on a concentration, the less time you have to complete the requirements. I focused my first semester on my degree and specialization requirements rather than concentration requirements so I did not lose any classes; however, this becomes harder to avoid if you wait more than one semester to make the change. This is particularly true for the International Finance and Economic Policy concentration and the Advanced Policy and Economic Analysis specialization. There will be an information session for all of the concentrations and specializations during orientation. If you continue to have questions after these sessions about which concentration to pursue, reach out to a professor or second-year student. And remember, you will not be locked into your initial decision. Note from Admissions: Information sessions for concentrations and specializations will also be available during Admitted Students Day 2018. Admitted students can register for ASD 2018 in the Welcome Portal.
Friday, May 22, 2020
Understanding Latin Americas International and Economic...
Prior to analyzing the ISI (Import Substitution Industrialization) model, itââ¬â¢s benefits as well as its shortcomings, a small introduction of how it came to be and why must be provided. As a product of the 1930s economic crisis and wear and tear of the liberal model, ISI appears in Latin America as another economic option, proposed by ECLA (Economic Commission for Latin America, dependent of the UN) as a means of bringing Latin America out of stagnation and work towards industrialization to eliminate its dependency on agriculture which was seen as vulnerable. There are two critical ways in which this model must be examined, theoretically as well as its concrete outcomes and policy implications within Latin American states. By looking atâ⬠¦show more contentâ⬠¦Therefore, it was believed that ââ¬Å"Latin America instead of following outward-looking development path should instead pursue an ISI policy as the centre-piece for a new inward-directed development strategyâ⬠(Kay 5), following the beginning footsteps of the developed states. Although its main goal was to strengthen the national economy to better compete in the global market, ISI has had very controversial results. Positively speaking, it has resulted in a decrease in imports, which has favoured certain national industries such as electric materials for construction, textiles, chemicals, etc., the nationalization of natural resources, betterment of term of trade, state intervention in economics (which led to the development of education, health and employment), strengthening of social organizations, but most importantly, the consolidation of the middle class. On a negative note, these nations led to become greatly dependent on technology, there was an increase of external capital control over developed areas, an under qualified labour force for factory jobs, increase in prices of manufactured goods and inflation, migration from rural to urban areas and as a result an increase in social problems, and finally, the industrial sector did not bother to conquer external markets which essentially contradicted the whole purpose of ISI. For these reasons ISI was seen as aShow MoreRelatedThe Cause of Globalization18688 Words à |à 75 PagesGarrett / CAUSES OF GLOBALIZATION COMPARATIVE POLITICAL STUDIES / August-September 2000 The most important causes of globalization differ among the three major components of international market integration: trade, multinational production, and international finance. The information technology revolution has made it very difficult for governments to control cross-border capital movements, even if they have political incentives to do so. Governments can still restrict the multinationalization ofRead MoreEssay on Porters Diamond Model29755 Words à |à 120 PagesASSESSING THE POWER OF PORTERS DIAMOND MODEL IN THE AUTOMOBILE INDUSTRY IN MEXICO AFTER TEN YEARS OF NAFTA SALVADOR BARRAGAN Master in Business Administration, IPADE Business School, 1996 BSc in Industrial Engineering, Universidad Panamericana, 1994 A Research Project Submitted to the School of Graduate Studies of the University of Lethbridge in Partial Fulfilment of the Requirements for the Degree MASTER OF SCIENCE IN MANAGEMENT Faculty of Management University of Lethbridge LETHBRIDGERead MoreOrganisational Theory230255 Words à |à 922 Pagesorganization theory the book increases the understanding of a field that in recent years has become ever more fragmented. Organization theory is central to managing, organizing and reflecting on both formal and informal structures, and in this respect you will find this book timely, interesting and valuable. Peter Holdt Christensen, Associate Professor, Copenhagen Business School, Denmark McAuley et al.ââ¬â¢s book is thought-provoking, witty and highly relevant for understanding contemporary organizational dilemmasRead MoreManagement Course: MbaâËâ10 General Management215330 Words à |à 862 PagesMBA Program McGraw-Hill/Irwin abc McGrawâËâHill Primis ISBN: 0âËâ390âËâ58539âËâ4 Text: Effective Behavior in Organizations, Seventh Edition Cohen Harvard Business Review Finance Articles The Power of Management Capital FeigenbaumâËâFeigenbaum International Management, Sixth Edition HodgettsâËâLuthansâËâDoh Contemporary Management, Fourth Edition JonesâËâGeorge Driving Shareholder Value MorinâËâJarrell Leadership, Fifth Edition HughesâËâGinnettâËâCurphy The Art of M A: Merger/Acquisitions/Buyout Guide, Third
Friday, May 8, 2020
Internship Report on Mcb - 20087 Words
PREFACE It is the requirement of the B.COM course Lahore College for Women University, Lahore that all students of B.COM have to spend six or eight weeks in any organization to get practical exposure and to get familiarized with the ways to live in the organizational environment which is dramatically different from the educational environment. That two months period called ââ¬Å"Internship Periodâ⬠, if spent properly and sincerely, enables the students to be more confident, more knowledgeable, more responsible and, above all, more committed to its work in the practical field. I have also been assigned to do internship of six weeks period in MCB Allama Iqbal Town Branch Lahore. It has enabled me to understand the practical scenario andâ⬠¦show more contentâ⬠¦Banking in fact is primitive as human society, for ever since man came to realize the importance of money as a medium of exchange, the necessity of a controlling or regulating agency or institution was naturally felt. The pri ests in Greece used to keep money and valuables of the people in temples. These priests thus acted as financial agents. The origin of banking is also traced to early goldsmiths. They used to keep strong safes for storing the money and valuables of the people. The first stage in the development of modern banking, thus, was the accepting of deposits of cash from those persons who had surplus money with them. The goldsmiths used to issue receipts for the money deposited with them. These receipts began to pass from hand to hand in settlement of transactions because people had confidence in the integrity and solvency of goldsmiths. When it was found that these receipts were fully accepted in payment of debts; then the receipts were drawn in such a way that it entitled any holder to claim the specified amount of money from goldsmiths. A depositor who is to make the payments may now get the money in cash from goldsmiths or pay over the receipt to the creditor. These receipts were the earli er bank notes. The second stage in the development of banking thus was the issue of bank notes. The goldsmiths soon discovered that all the people who had deposited money with them do not come to withdraw their funds in cash. They found that only a few personsShow MoreRelatedMcb Ltd. Internship Report5549 Words à |à 23 PagesMCB Bank Ltd. Stock Exchange Branch, Lahore. Advisor: Mr. Khurram shahzad (Lecturer) Muhammad ajmal khan F003-MBA-028 February 21, 2006 Dedication Acknowledgements I dedicate this internship report to my parents. Because of their prayers and encouragement I have been able to complete this report. Praise is to Allah, the most Gracious and Merciful, who blessed me with the knowledge and wisdom and enabled me to overcome this task. Heartiest gratitude to my parents without their continuousRead MoreCommercial Bank Project13831 Words à |à 56 PagesExecutive Summary This report is about bank, history and functions contains what I have learned in my six week internship at MCB (Ltd). It starts with its success story and brief introduction of management. This report contains detail about business practices in MCB, its current financial statement, position, working of its different departments in MCB Gojra Branch and about of how a letter of credit is used in bank. The purpose of exercise was to learn while working in practical field, especiallyRead MoreInternship Report on Ztbl20418 Words à |à 82 Pages1 Introduction to Report CHAPTER 1 ââ¬Å"INTRODUCTION TO REPORTâ⬠1.1 BACKGROUND OF STUDY The Zarai Taraqiati Bank Limited is the premier financial institution geared towards the development of agriculture sector by providing financial products and services to their customers. It is a common practice at universities during the completion of the masters and bachelors program to attain practical experience in different fields. Students are required to undergo an internship program of two monthsRead MoreSummit Bank13780 Words à |à 56 PagesSUMMIT BANK LIMITED MULTAN ROAD BRANCH [pic] An Internship report Submitted in Partial Fulfillment For The Degree of Masters of Science In Accounting Finance AMNA HAMID Session (2008-2010) Department Of Accounting FinanceKinnaird College for Women, Lahore [pic] Executive summary ââ¬Å"The purpose of study was to know about SUMMIT BANK LIMITED and to analyze the financial statement. ââ¬Å" In this report the Summit Bankââ¬â¢s history, mission, vision and services as well as management isRead MoreHrm in Aviation10615 Words à |à 43 Pagesspend $1.6 million in pilot training scholarships in a joint program with Western Michigan University and the Organization of Black Airline Pilots. Delta has also targeted selected high schools around the US where it provides financial assistance, internships, job shadowing, and facilities tours. Employees provide program support by serving as mentors in the classrooms, sharing real-life experiences with the D-TCA [Delta Technical Career Academy] students. And, in another collaborative effort with OBAP
Wednesday, May 6, 2020
Academic English Time Allotted 60 Minutes Free Essays
VIETNAM NATIONAL UNIVERSITY UNIVERSITY OF SOCIAL SCIENCES AND HUMANITIES FACULTY OF ORIENTAL STUDIES QUESTIONS: 1. Some people believe that success in life comes from taking risk or chance. Others believe that success results from careful planning. We will write a custom essay sample on Academic English Time Allotted: 60 Minutes or any similar topic only for you Order Now In your opinion, what does success come from? Use specific reasons and examples to support your answer. 2. Do you agree or disagree with the following statement? Self-confidence is the most important factor for success in school or at work. Use specific reasons and examples to support your opinion. 3. Learning about the past has no value for those of us living in the present. Do you agree or disagree? Use specific reasons and examples to support your answer. 4. You have received a gift of money. The money is enough to buy either a piece of jewelry you like or tickets to a concert you want to attend. Which would you buy? Use specific reasons and details to support your answer. 5. Some people think that they can learn better by themselves than with a teacher. Others think that it is always better to have a teacher. Which do you prefer? Use specific reasons to develop your essay. 6. If you could change one important thing about your hometown, what would you change? Use reasons and specific examples to support your answer. 7. ââ¬Å"When people succeed, it is because of hard work, Luck has nothing to do with success. â⬠Do you agree or disagree with the quotation above? Use specific and examples to explain your position. 8. Some people believe that university students should be required to attend classes. Others believe that going to classes should be optional for students. Which point of view do you agree with? Use specific reasons and details to explain your answer. 9. Neighbors are the people who live near us. In your opinion, what are the qualities of a good neighbor? Use specific details and examples in your answer. How to cite Academic English Time Allotted: 60 Minutes, Essay examples
Monday, April 27, 2020
X-ray interactions with matter Essay Example
X-ray interactions with matter Paper This document presents the interactions of x-ray with matter. It talks about the five types of x-ray interactions with matter, photoelectric absorption, compton scattering, pair production, coherent interaction, and photodisintegration. Each of this x-ray interactions are discussed in a manner that it can be understood by the general public. This document also dwells on the various exposure factors involve in radiography. It also provides a brief discussion of the attenuation that occurs when a photon travels through the matter. X-ray is a form of Photon that is created when energetic electron interacts with matter at the atomic level. Photons end their lives when they collide with electrons and transfer their energy. Like other forms of photons, x-rays possess intrinsic energy that may be imparted to the matter they interacts with. Interaction takes place as either absorption (transfer of energy from the X-ray photon to the absorbing material) or scattering (in which the X-ray photon is ââ¬Å"redirectedâ⬠by interaction with the scattering material) (Connolly, 2007). X-ray has been used extensively in medical imaging which sometimes brings wonders to a number of people of how x-rays are able to penetrate solid objects and produce images of the internal structure. Photoelectric Absorption occurs when a photon hits the atom of matter and all of its energy is transferred to the electron which is then knocked out of its orbital. The atom becomes ionized due to the loss of an electron. The photon, which is a form of energy, completely disappears as it transfers all its energy to the electron knocking it out of the orbital. We will write a custom essay sample on X-ray interactions with matter specifically for you for only $16.38 $13.9/page Order now We will write a custom essay sample on X-ray interactions with matter specifically for you FOR ONLY $16.38 $13.9/page Hire Writer We will write a custom essay sample on X-ray interactions with matter specifically for you FOR ONLY $16.38 $13.9/page Hire Writer The electron is ejected from the atom by the transformation of energy from light to kinetic energy and begins to pass through the surrounding matter. The electron rapidly loses its energy and moves only a relatively short distance from its original location. The photons energy is, therefore, deposited in the matter close to the site of the photoelectric interaction (Sprawls, 2006). The energy transfer is a two-step process. The photoelectric interaction in which the photon transfers its energy to the electron is the first step. The depositing of the energy in the surrounding matter by the electron is the second step. The transfer of energy is depicted by figure 1 to figure 2. Figure 1. Before Collision Figure 2. After Collision Photoelectric interaction normally occurs with electrons that has relatively high binding energy. It is most probable when the electron binding energy is only slightly less than the energy of the photon. If the binding energy of the electron is greater than the photon then photoelectric interaction cannot occur. This is because the interaction can only occur if the photon has sufficient energy to knock and overcome the binding energy, thus removing the electron from the atom. Compton Effect Compton effect occurs when a photon hits the atom of matter and only a portion of its energy is transferred to the electron. The photon still leaves the vicinity of the interaction in a direction different from the original path of the photon. This is illustrated in figure 3. The atom also becomes ionized due to the loss of an electron. The Relativistic energy and momentum are conserved in this process1 and the scattered x-ray photon has less energy and therefore greater wavelength than the incident photon (Connolly, 2007). The photon that leaves the vicinity of the interaction may interact further with the nearby atoms until it looses all its energy or escapes the matter and goes outside.
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