MOSQUITO REPELLENTS By:- Rajdeep Laha Calcutta Business School PGDM 2010-12 OVERVIEW Traditionally‚ various types of substances have been used to repel mosquitos. These include such things as smoke‚ plant extracts‚ oils‚ tars‚ and muds. As insect repellent technology became more sophisticated‚ individual compounds were discovered and isolated. This allowed the formulation of new‚ more efficient forms of mosquito repellents. The first truly effective active ingredient used in mosquito
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CHRYSLER SYNOPSIS On April 30‚ 2009‚ Chrysler Motors‚ the third largest automobile manufacturer in the United States‚ filed for bankruptcy protection under Section 363 of Chapter 11 of the U.S. bankruptcy code in the Manhattan Bankruptcy Court along with its 24 wholly-owned U.S. subsidiaries. Included in the bankruptcy filing for Chrysler‚ it announced that they had established a global strategic alliance with Fiat SpA. The plan for Chrysler was to provide the public with a new face to the
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Applied science mummion assignment Task 1 – purification Aim We were given a sample of mummion in the form of dried mud from a lake; the aim of the practical was to purify the sample and separate it from the insoluble impurities into the form of mummion salt. Context A long time ago mummion was used to preserve the bodies of ‘mummies’ in ancient Egypt‚ mummion along with other naturally occurring preservatives was used to treat the organs before the bodies were wrapped. This purification practical
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The Marsh funnel is a simple device for measuring viscosity by observing the time it takes a known volume of liquid to flow from a cone through a short tube. It is standardized for use by mud engineers to check the quality of drilling mud. Other cones with different geometries and orifice arrangements are called flow cones‚ but have the same operating principle. A modern plastic Marsh Funnel In use‚ the funnel is held vertically with the end of the tube closed by a finger. The liquid to be
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Sedimentary Rocks Dead Horse Point‚ Utah Dr. R. B. Schultz What are sedimentary rocks and what do they represent? Sedimentary rocks are those that represent the material record of environments in the form of rock layers or strata that once existed on earth. There are two (2) types of sedimentary rocks‚ based on their textures: Clastic (also called “Detrital”)-- form from deposition of solid grains; classified based on grain size: conglomerate‚ sandstone‚ and shale Chemical -- form from
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rocks may be further subdivided into two groups: sparry allochemical limestones (containing a sparry calcite cement of clear coarsely crystalline mosaic calcite crystals) and microcrystalline allochemical limestone(containing microcrystalline calcite mud‚ micrite‚ which is subtranslucent grayish or brownish particles less than about 5 microns in size). Further subdivision is based on the allochem ratios of Folk (1962) are shown in Scholle & Ulmer-Scholle (2003). Thus Folk’s classification (figures
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operators in Bicol‚ Visayas‚ and Southern Tagalog started to culture crab as a subsidiary crop in milk fish or bangus ponds. The crab species Scylla serrata is the biggest and most important member of the family of edible crabs in the Philippines. Mud crab‚ or alimango‚ is considered a delicacy and has become a popular fare in seafood restaurants. It is sought for its very tasty aligue or ripe eggs in the ovary. Crabs abound in estuaries‚ mangroves‚ swamps and tidal waters‚ living both as a scavenger
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with a distance of 16 Kilometers. This village consists of 190 households with population of 1680. The major occupation of villagers is agriculture‚ livestock and labor; hence the cultivation depends on rain fall. The source of drinking water is hand pump and water pond provided by TRDP. The health facility is available only at the distance of 2 Km. “I wanted to do something extra ordinary for my community after getting my education but it remained only my thought for some time and I just got watching
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correct. The purpose of this experiment was achieved by observing and finding out the characteristics of each substance. The sugar turned brown and smelled good when heated‚ salt turned black and smelled like burnt rubber when heated‚ dirt turned to mud when water was added‚ and baking soda started to bubble when vinegar was added. According to table 1 the data shows that the unknown substance had similar characteristics to both sugar and dirt. And so to find out if my hypothesis was correct or not
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Carbonate Rocks and Dunham’s Classification Palkowski‚ Daniel N. 245-002 General Geology Dr. Wayne Schlipp 9 December 2007 Abstract The following contains a compendium of research on carbonate rocks. Displayed are a basic description of carbonate rocks‚ depositional environments‚ mineralogy‚ ancient and modern reefs‚ diagenesis‚ facies analysis‚ and classification. Most carbonate rock classification schemes take into account characteristics that may require intensive microscopic
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