6. POLYMERS and elastomers Lecture no. 1 Objectives: Definition‚ Functionality‚ Classification of high polymers – based on origin‚ molecular structure. 6.1.1. DEFINITION: The word polymer is derived from the two greek words‚ poly and meros‚ meaning many and parts or units respectively. Polymers are macro molecules formed by linking smaller molecules repeatedly‚ called monomers. Examples: Polythene is formed by linking a large number of ethene (or ethylene) molecules together
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July 11‚ 2000 A brief history of the four rings Compliled by Matt Daniels from Audi AG press releases The Audi emblem of the four rings denotes one of Germany’s oldest automobile manufacturers. It symbolizes the merger in 1932 of four previously independent motor vehicle manufacturers: Audi‚ DKW‚ Horch and Wanderer. These companies are the foundation stones on which the present-day AUDI AG is built. Horch At the end of the 19th century‚ there were already a number of car manufacturers
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The Evolution of Birth Control Rarely is there a subject that is considered as divisive as contraception. While we tend to think of birth control as a fairly modern development‚ it is an idea that has been around for thousands upon thousands of years and has been documented through both written word and various forms of art. The methods have ranged from spiritual and ritualistic to practical and scientific. Because of the length of a woman’s fertile years (about 40 years) the ability to control
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Company was founded by Frank Seiberling in 1898 on the Little Cuyahoga River in Akron Ohio. He borrowed thirty five hundred dollars from his brother-in-law to start the company. The company was named after Charles Goodyear who discovered the rubber vulcanization process in 1839. The company started to build their first factory in 1902 in Akron. In 1903 Paul Litchfield‚ a factory manager received a patent on the tubeless tire. In 1904 the company became a leader in automobile‚ carriage‚ and bicycle tires
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Chapter 22 Section 1 Origins of the Industrial movement The Enclosure Movement An agricultural revolution started to occur in the 1500’s Until the 1600’s farmers used public lands to graze cattle and sheep. Then these lands started to be enclosed‚ or fenced off‚ into individual plots This is called the Enclosure Movement. This benefited richer landowners‚ who added to their lands‚ but the smaller landowner was forced to become tenant farmers or had to move into the cities. A tenant farmer
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Nolan Kruse Father Ed APUSH period 1 January 4‚ 2012 Research Paper The Process of Industrialization The term industrialization is defined as the process in which a society or nation transforms itself from a primarily agricultural society into one based on the manufacturing of goods and services. Industrialization is largely a product of “laissez-faire” capitalism as the market runs the economy instead of it being government-run. It served not only as a process to reach a more modern society
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Step # 1 – Designing This is the most vital step in jewellery manufacturing process. It is a stage wherein the designer develops an idea for the design‚ evaluates the idea and translates it into reality. Creativity and imagination are the two skills required for drawing inspiration. The jewellery designer gathers ideas‚ studies the brief and researches around for getting the right stimulus to design. In designing‚ it is imperative to look for visual inspirations. Once the idea is conceived‚ it
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Proposal to improve stakeholder communication plans Prepared by: Marisa Lenaerts Date of submission: 17/12/2013 Company background Brothers Rudolf and Adolf Dassler founded the Gebrüder Dassler Schuhfabrik in Herzogenaurach‚ Germany in 1924. Later Rudolf Dassler founds the PUMA Schufabrik Rudolf Dassler in October 1‚ 1948. Brother Adolf Dassler went on to found Addidas; the existing business assets of the Gebrüder Dassler Schuhfabrik are divided up between the two brothers
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CHAPTER -1 INTRODUCTION INTRODUCTION Business means busyness or the state of being busy. However ‚ in a specific sense‚business includes all occupations in which people regularly engage in activities with a view to earning profit. Such activities may consist of production or purchase of goods for sale‚ or exchange of goods or providing services to satisfy the needs of others. It includes lot of activities. Sulfex Mattress Company
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Silicon dioxide (SiO2) is one of the most common oxides on the surface of earth. Like most oxides‚ it adopts a polymeric structure. Оксидите се хемиски соединенија што содржат најмалку еден атом на кислород и еден атом од друг хемиски елемент во својата формула. An oxide /ˈɒksaɪd/ is a chemical compound that contains at least one oxygenatom and one other element[1] in its chemical formula. Metal oxides typically contain an anion of oxygen in the oxidation state of −2. Most of the Earth’s crustconsists
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