"Polycyclic aromatic hydrocarbon" Essays and Research Papers

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    According to results provided in Table 1 and using the soil texture triangle‚ the type of soil was identified as loamy sand. Since the clay content percentage of this soil is low‚ the adsorption of hydrocarbons to these particles is also decreased

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    Chemical Reactions

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    CO2 + 4H2 O (Naphthalene) Combustion Introduction of the Product: Naphthalene is an organic compound with formula C10H8. It is the simplest polycyclic aromatic hydrocarbon‚ and is a white crystalline solid with a characteristic odor that is detectable at concentrations as low as 0.08 ppm by mass. As an aromatic hydrocarbon‚ naphthalene’s structure consists of a fused pair of benzene rings. It is best known as the main ingredient of traditional mothballs. Explanation: It’s formed

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    fatty acid with an 18-carbon chain and has the IUPAC name octadecanoic acid. It is a white waxy solid. Formula: C18H36O2 Boiling point: 376.1 °C Melting point: 69.6 °C BENZOIC ACID is a colorless crystalline solid and a simple aromatic carboxylic acid. The name is derived from gum benzoin‚ which was for a long time the only source for benzoic acid. Formula: C7H6O2 Boiling point: 249.2 °C Melting point: 120-122 °C SALICYLIC ACID is a monohydroxybenzoic acid‚ a type of phenolic

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    What Is Epigenetics?

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    Epigenetics: A fascinating Field with profound Research‚ clinical‚ and public health implications What is epigenetics?  Is the study of heritable and potentially reversible gene-expression changes that do not involve structural alterations in the DNA sequence‚ such as mutations.  Is emerging as one of the most dynamic and vibrant biomedical areas . EPIGENETICS MECHANISMS  Epigenetics is the study of heritable and potentially reversible gene expression changes that do not involve

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    Essay On Fracking

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    mixture is directed at the rock to release the gas inside. Hydraulic fracturing is the most popular method of exploitation of gas and oil from shale formations. After discovering hydraulic fracturing it has become possible at all production of hydrocarbons from unconventional deposits. Despite the many advantages of hydraulic fracturing raises a lot of controversy among consumes a considerable amount of water needed for the treatment. Resistance environmental organizations and concerns of local communities

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    Cvcv

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    cost considerations Jatropha oil‚Karanja oil‚Crude Palm Oil and Palm oil Stearin are being used as raw material to manufacture biodiesel. Biodiesel is safe‚ biodegradable‚ and reduces serious air pollutants such as particulate‚ carbon monoxide‚ hydrocarbons‚ and air toxic. Blends of 20% biodiesel with 80% petroleum diesel (B20) can generally be used in unmodified diesel engines. Biodiesel can also be used in its pure form (B100)‚ but it too may require certain engine modifications to avoid maintenance

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    Mutagens

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    as 14C in DNA which decays into nitrogen. [edit]DNA reactive chemicals A DNA adduct (at center) of benzo[a]pyrene‚ the major mutagen in tobacco smoke. A large number of chemicals may interact directly with DNA. However‚ many such as PAHs‚ aromatic amines‚ benzene are not necessarily mutagenic by themselves‚ but through metabolic processes in cells they produce mutagenic compounds. Reactive oxygen species (ROS) - These may be superoxide‚ hydroxyl radicals and hydrogen peroxide‚ and large number

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    Oil Refinary Process

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    College of food science &technology‚ bapatla-522101 CERTIFICATE Certified that this is a bonafide record done in B.tech(food technology) by S.CHITRA SAI‚ BF-09-011

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    Fracking is a contemporary method of extracting oils and gases that has become quite the vexation for many societies around the world. Fracking is the process in which liquid is injected at a high-pressure rate into different forms of rocks in order to forcefully open exiting fissures in order to extract oils or gases. During this process‚ water‚ sand and chemicals are inserted into the rock at high pressure; this part of the process allows the gas to flow to the head of the well and outward. Geological

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    Oil Spill

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    many other purposes. These petroleum products get into water mainly by means of accidental spills from ships‚ tanker trucks‚ pipelines‚ and leaky underground storage tanks Petroleum products affect surface water‚ impairing water quality with hydrocarbons‚ salts‚ nutrients‚ a host of organic compounds‚ and various heavy metals. Immediately after a spill‚ Oil slicks on the surface water producing a thick mousse. A large portion of the oil also forms emulsions or dissolves in the water. Some heavy

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