A protein is a Biological polymer made up of as different amino acids joined by peptide bonds. A protein is formed by amino acids which are the basic building block of a protein components of an amino acid include a :C-carbon atom‚ H-Hydrogen atom‚ H3N+ - Amino Group‚ COOH- - Carboxyl Group‚ R- this group varies from amino acid to amino acid. There are 20 amino acids‚ each differing in its R group. Two examples are: Glycine‚ its R group being H(Hydrogen) and Phenylalanine its R group being CH2 (Carbon
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1 Experiment 15: Exploring the World of Polymers Objective: In this experiment‚ you will explore a class of chemical compounds known as polymers. You will synthesize and modify polymers‚ test their properties and use a fabrication technique to produce an object from a polymer. Introduction (See Tro‚ pp 985-987.) The importance of both natural and synthetic polymers in our lives cannot be overestimated. The desirable properties of these macromolecules‚ such as tensile strength and flexibility
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Chemistry 26/03/2013 The polymer Introduction What is polymer? Polymer is a huge macromolecule comprise many thousands of small molecules created through Joining together chemically. Polymers are everywhere in our life. Many industries extremely rely on polymers‚ for example‚ food court‚ tons o ’toys and dollar dungeon. Those all are stuff made out of polymers. In addition there are lots kind of polymers ‚ such as aramid‚ Carbon fiber‚ Rayon and so on. Now‚ this Essay will investigate Tons
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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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Written Video Reaction Papers: On the Course Schedule you will see several fascinating videos that focus on questions we are addressing in the course. For each unit you should choose one of these videos to view. For that video‚ you will write a formal reaction paper that will be due as listed on the Course Schedule. The assignments system will not accept papers after this period. 1. ✓Do use essay form. 2. ✓Don’t include extra space between paragraphs -- simply hit the return key one time at
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1. GUPTA‚ A.‚ BAJAJ‚ P.‚ & PALIWAL‚ D. (1998). Journal of Applied Polymer Science‚ 70(2703). Retrieved September 26‚ 2014. 2. Sreekumar‚ T.‚ & Sen‚ K. (2001). Effect of Reaction medium on Radical Polymerization of Acrylonitrile with Vinyl acids. Poly sci.‚ 79(1640). Retrieved September 26‚ 2014. 3. (n.d.). In http://www.pslc.ws/mactest/pan.htm. Retrieved September 26‚ 2014 4. Serkov‚ A.‚ & Radishevskii‚ M. (2008). Status and Prospects For Production Of Carbon Fibres Based on Polyacrylonitrile
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1. Important characteristics required for materials in Automotive Engineering Polymers have been used in the automotive industry for many decades. It is regarded as an efficient material as it is very durable and could significantly reduce production costs. However‚ as technology advances‚ new polymers are found and better alternatives are paved for the automotive industry. The vehicles we see today are very different than that of the yesteryears. This proves how far the automotive industry has
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structure consists of polyhydroxyalkanoate‚ which contain two monomers 3-hydroxybutyrate and 3-hydroxyvalerate. Bacteria growing in tanks with a carbon-based food source in which the polymer is then isolated and purified presently produce the polymer industrially. Biotechnology has been recently used to economically attempt produce the polymer using genetic engineering technique. The advantages of this process are faster growth‚ better yields‚ easier recovery‚ and production of less extra waste biomass
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INTERCHAPTER S Synthetic Polymers The formation of nylon by a condensation polymerization reaction at the interface of water and hexane‚ two immiscible solvents. The lower water layer contains the compound hexanedioyl dichloride‚ Cl C(CH2)4C O O Cl hexanedioyl dichloride The reaction produces nylon and HCl(aq). The polymer forms at the interface between the two solutions and is drawn out as a continuous strand. University Science Books‚ ©2011. All rights reserved. www.uscibooks.com
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MANAGEMENT – 1 CHAPTER -1 INTRODUCTION TO MANAGEMENT AND ORGANIZATIONS 1 | What is management ? | (June-2011) | 2 | What is classical approach to management ? Describe the contribution of F.W.Taylor in the development of scientific management. | (Nov/Dec-2011) | 3 | Define management. | (Dec-2010) | 4 | Explain “ Management is a Science as well as an Art ”. | (Dec-2010) | 5 | “ Management is not people; it is an activity like walking‚ reading‚ swimming or running. People who
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