The Use of Cooling Curves in the Determination of the Phase Diagram for a Lead-Tin System V.O.L.Tabell Department of Mining‚ Metallurgical and Materials Engineering University of the Philippines‚ Diliman vo_tabell@yahoo.com Abstract This paper discusses the use of the cooling curves in the determination of the phase diagram of a Lead-Tin system. The inflection points of these cooling curves were obtained by melting a series of mixtures of lead and tin at varying compositions. These critical
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Assignment: Draw and explain a Use-Case diagram for a Library Management System. Introduction: Capturing the dynamic behaviour of a system is one the key aspects to create a model. Dynamic behaviour means the behaviour of the system under operation. Use case diagrams are used in Unified Modeling Language‚ a standard modelling language for the modeling of real-world objects and systems. A use case diagram is to explicitly define the working of a system with in a system boundary. Each system is primarily
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Venn diagram –Max-min 1. According to a survey‚ at least 70% of people like apples‚ at least 75% like bananas and at least 80% like cherries. What is the minimum percentage of people who like all three? Answer: Let’s first calculate the surplus: percentage of people who like apples + percentage of people who like bananas + percentage of people who like cherries = 70% + 75% + 80% = 225% = a surplus of 125%. Now this surplus can be accommodated by adding elements to either intersection of only
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Heroin Addiction & Methadone Maintenance Deborah Booth Psychology 305 – DO4 Liberty University Heroin Addiction & Methadone Maintenance Diacetylmorphine‚ aka: heroin‚ smack‚ horse‚ black tar‚ china white‚ and H‚ the slang names are as numerous as the places you can score this highly addictive narcotic. Heroin‚ a derivative of morphine‚ via opium‚ which comes from the resin of the Papaver somniferum plant has been in use for nearly 3500 years (Doweiko‚2012‚ p.137). To
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China Heavy Truck Industry Report‚ 2014-2017 Summary In the heavy truck industry‚ the demand mainly comes from infrastructure construction and transportation‚ and sales volume is to a large extent influenced by macroeconomy and industrial policies. After the downturn in 2011-2012‚ China heavy truck industry resumed growth in 2013 thanks to logistics demand and national IV emission standards‚ with the sales volume increasing by 138‚100 or 21.71% year on year to 774‚100. From January to May of
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2013 Week 4 Problems and Exercises Chapter 7 5) Consider the E-R diagram in Figure 7-20. Based on this E-R diagram‚ answer the following questions: a. How many EMPLOYEES can work on a project? There is no set limit of employees to work on one given project. b. What is the degree of the Used on relationship? There are 2 degrees for the Used on relationship. c. Do any associative entities appear in this diagram? If so‚ name them. Yes there is task which is an associative entity. d
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Assignment 3 – British Petroleum and the Delay of Maintenance By Avaninder Gill Review the Main Features of the Case British Petroleum‚ now known as simply BP‚ is a multinational oil and gas company that is headquartered in London‚ England. On March 23‚ 2005‚ a series of massive explosions devastated one of the largest British Petroleum refineries located in Texas City. The blast rattled windows in downtown Galveston‚ 20 miles away and was even felt in Houston‚ 35 miles distant
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technology that provides everyone advantages. It can transform a simple thing into another one just like the emergence of food trucks from the old way of eating in restaurants. Food truck is a mobile food service that is equipped to cook and sell foods that offers a gourmet cuisine‚ specialties and ethnic menus prepared by chefs just like in the restaurants. Food trucks are said to be originated and evolved from the push carts in the late 17th century that are found in the large cities in east
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Midwifery Diagram and Summary Anny .F.Mogoung HCS/531 DR.David Harrell April 17‚ 2013 University of Phoenix Within the Healthcare continuum‚ there are different types of careers. We can have providers‚ researchers‚ administrators‚ and other. Among the providers nursing is a field that can be listed. Midwifery is a part of nursing. In the following lines‚ we will describe the midwifery career; identify the workforce roles within two services and finally explore the impact
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1. Cuneiform- Cuneiform is Sumerian Writing that is a style of pictogram. It was written using a reed stylus and made wedge shaped impressions on clay tablets. They were then baked or dried in the sun to make them hard and virtually indestructible. Cuneiform evolved over time into something more advanced as civilizations kept rising and falling in Mesopotamia. Some examples of things Cuneiform was used for are tallies of cattle or other live stock by herders‚ lists of taxes and wages payments‚ contracts
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