INTRODUCTION My topic is oil refinering using linear programming‚ this is under petrochemical industries which mean it will deal more about chemicals‚ this is about optimising the cost using a modelling method in mathematics called linear programming. This is very important because it links what is done in petrochemical industries with mathematics. Since there is a huge need of the products that are produced after petroleum refinering which are petrol‚ gasoline‚ oil‚ diesel and etc so in the
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Crude‚ a documentary by Joe Berlinger‚ provides an eye-opening look into the highly controversial battle between Texaco and the Amazon Jungle of Ecuador. The film follows the lawyers’s fight to improve the jungle’s living environment and restore the original beauty of the Amazon. Texaco has been contaminating the rainforest for around three decades‚ poisoning the water‚ air and land. The pollution has created a ‘death zone’ that has been increasing the rates of cancer‚ leukemia‚ birth defects‚ and
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groundwater contamination‚ and to what extent are the nation’s groundwater supplies at risk? How Much Do We Depend on Groundwater? According to 1985 U.S. figures‚ groundwater provides an estimated: * 22 percent of all freshwater withdrawals * 53 percent of drinking water for the total population and 97 percent of drinking water for
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more than the other when one organism needs less of the limiting resource than the other. This is also known as exploitation competition. However‚ there is an alternative outcome that involves the species being able to live without competition while using the same resources. Such a divergence is called resource partitioning‚ and is simply the ecological version of the idea that it is often easier to
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Question 5 Describe the economic history of the crude oil refining sector in T&T from its birth to its present status. What was the impact of US tax legislation on this sector? How did the IADB loan revamp the refinery in Petrotrin in 1993? Why was the refinery in Point Fortin closed? Why does the refinery operate at suboptimal capacity? Is the Moraven agreement still active? Outline the prospects for growth in the next decade for the oil refining and gas refining subsectors of the petroleum
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Crude drug A crude drug is any naturally occurring‚ unrefined substance derived from organic or inorganic sources such as plant‚ animal‚ bacteria‚ organs or whole organisms intended for use in the diagnosis‚ cure‚ mitigation‚ treatment‚ or prevention of disease in man or other animals. Crude drugs are unrefined medications in their raw or natural forms. Prior to the 1950s‚ every pharmacy student learned about crude drugs in pharmacognosy class. Pharmacognosy is the study of the proper horticulture
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This type of cross-contamination is especially dangerous if raw foods come into contact with cooked foods. Here are some examples of food-to-food cross-contamination: * In a refrigerator‚ meat drippings from raw meat stored on a top shelf might drip onto cooked vegetables placed on lower shelf. * Raw chicken placed on a grill touching a steak that is being cooked. Top of Page People to Food People can also be a source of cross-contamination to foods. Some examples
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Cross-contamination from endoscopes to patients are a noted problem throughout endoscopy units across the country. The media has reported exposure to harmful bacteria and viruses following endoscopic procedures from inadequately cleaned scopes‚ the efficacy of high level disinfectants used in reprocessors and the design of the scopes. Legislatures are now questioning the types of infection control programs within endoscopy units and whether qualified personnel are being hired as endoscope technicians
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as a prospective alternative bio-control method to control Salmonella contamination in a variety of foods. Bao‚ P. Zhang‚ H. Zhang‚ Zhou‚ L. Zhang‚ and Wang isolated two new lytic SE phages‚ (PA13076) and (PC2184)‚ using two host strains of Salmonella enteritidis (SE) ATCC13076 and CVCC2184. They evaluated the potential of the
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Food Contamination Definition Food contamination refers to foods that are spoiled or tainted because they either contain microorganisms‚ such as bacteria or parasites‚ or toxic substances that make them unfit for consumption. Food contamination is a serious issue because it results in foodborne diseases. Hence‚ awareness of potential sources of food contamination is an important component of good nutrition. Food contamination refers to the presence in food of harmful chemicals and microorganisms
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