CHEMICAL INDUSTRY The chemical industry comprises the companies that produce industrial chemicals. It is central to modern world economy‚ converting raw material (oil‚ natural gas‚ air‚ water‚ metals‚ and minerals) into more than 70‚000 different products. The chemical industry is a key contributor to the world economy. It is a knowledge-based industry with significant investments in R&D. The industry supplies to virtually all sectors of the economy. In terms of consumption‚ the chemical industry
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in the consumer market‚ stemming from the rise of synthetic fibers starting in the 1940’s‚ glass fiber and carbon fibers have dominated the market for composites due to their superior mechanical properties. From the 1970’s onward‚ petroleum-based fibers replaced natural fiber so that‚ worldwide‚ the cropping of natural fibers entered into steep decline‚ causing economic stagnation in the producer regions. In addition to the competition with synthetic fibers‚ innovation in transport facilities also
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Locard’s Exchange Principle. This states that “every contact leaves a trace”‚ implying that a criminal will leave trace and take away trace evidence when at a crime scene. Trace evidence often refers to minute samples of a substance‚ particularly fibres‚ hairs‚ glass fragments and paint chips. Crime scenes will commonly contain trace evidence‚ often caused by the perpetrator unconsciously coming into contact with surfaces and leaving behind or picking up particulates. Trace evidence is created
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sunlight‚ killing our aquatic animals. Thus‚ the researchers thought of discovering helpful products of the said plant. For the time being‚ ropes are being used by other people in their jobs. Take for instance in construction sites – synthetic ropes are in demand. But synthetic ropes are not environment-friendly and when disposed are not easily decomposed. Thereafter‚ the researchers thought of using the stalk of water hyacinth in producing an environment-friendly rope. In this way‚ people will not only
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“Goods for Sale”. For example‚ cotton‚ polyester‚ viscose‚ fibre‚ yarn and et cetera. For “Goods for Sales” inventory is usually divided into 1. Raw Materials : a) Natural Raw Materials: Cotton‚ Wools and etc. b) Synthetic Raw Materials: Acrylic‚ Viscose‚ Nylon‚ Polyester‚ etc. 2. Work in Process (WIP) : It’s starting with making Fibre from raw materials (Natural and Synthetic). Following by the process of spinning with the produced Fibre and come out with Yarn as the final product in spinning
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LOGOS INTERNATIONAL SCHOOL INNOVATORS CAUGHT IN ACTION: HOW DOES CHEMICAL ENGINEERING AFFECT THE SUDDENLY CHANGING WORLD? Ponhneath Nguon College and Careers Preparation Class Mr. Barrett “But innovation comes from people meeting up in the hallways or calling each other at 10:30 at night with a new idea‚ or because they realized something that shoots holes in how we’ve been thinking about a problem.” -Steve Jobs. It is quite unbelievable how the world has changed so rapidly over the last
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a nylon-bristled toothbrush (1938)‚ followed more famously by women’s stockings ("nylons"; 1940). It is made of repeating units linked by amide bonds and is frequently referred to as polyamide (PA). Nylon was the first commercially successful synthetic polymer. There are two common methods of making nylon for fiber applications. In one approach‚ molecules with an acid (COOH) group on each end are reacted with molecules containing amine (NH2) groups on each end. The resulting nylon is named on
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PICRIC ACID (DIRECT DYE): Take about 60 mL of water in a 400 mL beaker. Add 2-3 drops of concentrated sulphuric acid and about 0.5 g of Picric Acid to it. Stir the solution with a wooden stick and warm over a hot water bath. Immerse one piece of each wool‚ cotton‚ polyester‚ nylon and terecot into it. When the pieces are thoroughly wetted in dye solution remove these with the help of forceps. Wash these with the help of warm water till the washing is colourless. Dry the pieces and note the results
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the Indian economy. Currently‚ it contributes about 14 percent to industrial production‚ 4 percent to the GDP‚ more than 12 percent to the country’s export earnings‚ and provides direct employment to over 35 million people. Post MFA (Multi Fibre Arrangement)‚ the Indian textile and clothing industry has been growing and has made India as one of the league countries involved in export of textile as well as apparel products. GLOBAL SCENARIO The removal of quotas has been advantageous
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$ 2 5 / m Si lk -‐ -‐ natural protein fibre protein fibre of silk is composed mainly of fibroin and produced by certain insect larvae to form cocoons. The shimmering appearance of silk is due to the triangular prism-‐like structure of the silk fibre -‐ -‐ -‐ versatile and very comfortable
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