Benzene is a colorless and highly flammable liquid hydrocarbon derived from petroleum. |
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Observers have long known that Titan's atmosphere contains methane, ethane, acetylene and many other hydrocarbon compounds. |
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The trick is to control the density of these groups by adding a hydrocarbon diluent to the monomer mix. |
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Gas conversion using synthesis gas produced hydrogen for catalyst rejuvenation and hydrocarbon conversion. |
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When carried out in hydrocarbon solvent, this reaction produces a synthetic rubber similar to natural rubber. |
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The Cornell team worked with sand contaminated with phenanthrene, a polycyclic aromatic hydrocarbon typically found in coal tar. |
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The hydrocarbon end attaches to an oil molecule and the electrically charged ionic end attracts a water molecule. |
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It seems probable that the initial event in the toxicity of PCBs is mediated through their binding to the aryl hydrocarbon receptor. |
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Acids are used to raise the octane levels of gasolines by converting straight-chain hydrocarbon molecules to highly branched molecules. |
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There is also a hydrocarbon absorptive catalyst in the catalytic converter to clean up tailpipe emissions. |
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They came up with their estimate by computationally assembling graphs which corresponded to all the saturated hydrocarbon backbones. |
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Here, the hydrocarbon chains are, on average, directed to a single one-dimensional line. |
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The squad checks the autorickshaw for carbon monoxide and hydrocarbon emissions. |
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The boiling point of an alcohol is always higher than the hydrocarbon from which it is derived. |
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Such substances consist of a nitrate ion chemically bonded to a hydrocarbon molecule that's lost one of its hydrogen atoms. |
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Toluene is an aromatic hydrocarbon natural product of diagenic origin and an important commercial chemical. |
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Aliphatics are our company's range of hydrocarbon fluids including specialty brands. |
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The heated air that lifts the balloon comes from a hydrocarbon gas burner attached above the basket. |
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This is a generic term for the light hydrocarbon fractions found associated with most oil deposits. |
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The average orientation of a hydrocarbon chain is expressed by a unit vector n referred to as the chain director. |
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The term alkyl refers to the hydrocarbon functional group derived formally by the loss of a hydrogen atom from the alkane. |
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In the liquid-unordered high temperature phase, hydrocarbon chain states are unordered and degenerate, and the crystalline order is lost. |
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Amorphous alumina-silica composites are used to crack or split hydrocarbon chains in petroleum refining. |
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In particular, the formation of branched alkanes increases the octane number and combustibility of the resulting hydrocarbon. |
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The Aussies were smoking high-quality B.C. bud and waxing their snowboards with hydrocarbon Swix and a clothes iron. |
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It includes the glycerol and carbonyl groups and the hydrocarbon chains of the lipid. |
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Natural hydrocarbon seeps are another local pollution hazard. |
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Rubber gum is made up mostly of a hydrocarbon polymer called polyisoprene, the chains of which are composed only of interlinked carbon atoms with some hydrogen atoms attached. |
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The energy content of the hydrocarbon fuels commences with around 10 megajoules per kilogram for brown coal to a peak of 45 megajoules per litre for petroleum. |
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Unlike hydrocarbon based aromatics, which react most readily with electrophiles, perfluoro-aromatics and heterocyclic ring systems react better with nucleophiles. |
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In Denmark, the poster child for wind power, neither carbon dioxide emissions nor hydrocarbon consumption have been reduced. |
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That horizontal segment allows the well to have far greater exposure to the hydrocarbon reservoir. |
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In both cities and forests, alkyl nitrates are made when nitrogen oxides, which are produced by automobile tailpipes and smokestacks, react with hydrocarbon molecules. |
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Performance is reduced by numerous sand storms which cover the surface of the panels with dust or a mixture of sand and hydrocarbon micro particles. |
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One of the important reactions in oil refinement is hydrocarbon cracking. |
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Gloves made of butyl rubber, nitrile, and fluoride-containing hydrocarbon polymer have been shown to provide adequate protection from glutaraldehyde. |
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It consists mainly of methane, the simplest hydrocarbon, as well as small amounts of heavier, more complex hydrocarbons such as ethane, butane and propane. |
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The layer of polar lipid headgroups separates the apolar hydrocarbon core of the membrane from the surrounding aqueous phase and stabilizes its lamellar structure. |
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Extracts of diesel exhaust particles modulate the aryl hydrocarbon receptor and estrogen-dependent gene expression in cells in vitro and are endocrine disrupters. |
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The volume of a hydrocarbon chain, v, does not change in the course of membrane deformations, because the hydrocarbon moiety of a lipid molecule is practically incompressible. |
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The allegation concerns hydrocarbon releases from the wastewater system at the unloading facility. |
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Compared to other hydrocarbon fuels, methane produces less carbon dioxide for each unit of heat released. |
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The most likely hydrocarbon source rocks are Early Jurassic marine mudstones. |
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Likewise, said the prime minister, Albania has great potentials to exploit in the field of hydrocarbon, eolic and solar potentials, too. |
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Several United States senators had also criticised the deal, arguing it was hindering efforts to pass the hydrocarbon law. |
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The sand is likely composed of hydrocarbon particles, possibly with some water ice mixed in. |
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However, it is the large-sized rhynchonellids that have been most readily identified to date as members of ancient hydrocarbon seep communities. |
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Eastman Chemical Company has completed the expansion of its hydrogenated hydrocarbon resins facility in Middelburg, The Netherlands. |
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The other route for combining smaller hydrocarbon molecules into larger ones is alkylation. |
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Seepiophila jonesi, a new genus and species of vestimentiferan tube worm from hydrocarbon seep communities in the Gulf of Mexico. |
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Most of the Fertile Crescent region has a favourable distribution of Silurian source rock and the potential for extensive hydrocarbon generation. |
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Naphtha, a product of oil refining, is processed into either unsaturated hydrocarbon compounds called olefins or aromatic compounds. |
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The solvent may be a hydrocarbon solvent, such as hexane, propane, isobutene, or cycloalkane. |
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The hydrocarbon gases recondense as pyrolitic graphite deposits as films or sheets on the mold surface. |
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Gonzalez of the National Cancer Institute and his colleagues bred a strain of mice lacking the gene for the aryl hydrocarbon receptor. |
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Many man-made pollutants activate the aryl hydrocarbon receptor and are risk factors for type 2 diabetes. |
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The emulsion, known as MSAR is a surfactant-stabilized emulsion of hydrocarbon in water produced, in these tests, from refinery bottoms. |
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Radar detection is based on the difference in the rugosity of the water surface in the presence of a hydrocarbon. |
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The problem that occurs is that the major constituents of all of these new materials are hydrocarbon or heteroatom based. |
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Biomarkers of hydrocarbon exposure and sublethal effects in embiotocid fishes from a natural petroleum seep in the Santa Barbara Channel. |
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The use of these paints deduct the use of aromatic hydrocarbon thinners and mineral spirits used in liquid paints. |
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Degradation of the polycyclic aromatic hydrocarbon fluorene is retarded in a Scots pine ectomycorrhizosphere. |
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Thermal grease is a paste comprised of thermally conductive ceramic fillers in silicone or hydrocarbon oils. |
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The state oil company Nunaoil was created to help develop the hydrocarbon industry in Greenland. |
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Alcohols of five or more carbons such as pentanol and higher are effectively insoluble in water because of the hydrocarbon chain's dominance. |
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In organic chemistry, a hydrocarbon is an organic compound consisting entirely of hydrogen and carbon, and thus are group 14 hydrides. |
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The chemical hydrocarbon composition varies between age, sex, nest location, and hierarchal position. |
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This forms hydrochloric acid as well as the hydrocarbon with one chlorine atom. |
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In this reaction a halogen molecule breaks the double or triple bond in the hydrocarbon and forms a bond. |
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The hydrocarbon is burnt and the heat is used to heat water, which is then circulated. |
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The extraction of liquid hydrocarbon fuel from sedimentary basins is integral to modern energy development. |
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Mycoremediation or breaking down of hydrocarbon by mycellium and mushroom is possible. |
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Anthropogenic hydrocarbon contamination of soil is a serious global issue due to contaminant persistence and the negative impact on human health. |
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It is associated with other hydrocarbon fuels, and sometimes accompanied by helium and nitrogen. |
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Oceans, seas, lakes and other bodies of liquids can be composed of liquids other than water, for example the hydrocarbon lakes on Titan. |
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Methane can be found in hydrocarbon fields either alone, associated with oil, or in the form of methane clathrates. |
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There is a wide range of organic, or hydrocarbon, compounds in any given fuel mixture. |
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The principle of supply and demand holds that as hydrocarbon supplies diminish, prices will rise. |
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Natural gas is found in deep underground rock formations or associated with other hydrocarbon reservoirs in coal beds and as methane clathrates. |
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Natural gas burns more cleanly than other hydrocarbon fuels, such as oil and coal, and produces less carbon dioxide per unit of energy released. |
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Merchant oil tankers carry a wide range of hydrocarbon liquids ranging from crude oil to refined petroleum products. |
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Fuel oil itself is very difficult to ignite, but its hydrocarbon vapors are explosive when mixed with air in certain concentrations. |
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The purpose of the system is to create an atmosphere inside tanks in which the hydrocarbon oil vapors cannot burn. |
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Benzene is considered a light aromatic hydrocarbon with high solubility and high volatility. |
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Results from hydrocarbon exploration wells show clear porosity reduction trends with depth. |
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This was ratified and went into force on 7 July 2011, opening the grey zone for hydrocarbon exploration. |
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Later these deposits have the potential to become hydrocarbon seals and are of particular interest to petroleum geologists. |
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It has the smallest hydrocarbon reserves of any Gulf state, producing 48,000 barrels per day from its one onshore field. |
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Purified gas consisted of hydrogen, methane, carbonic oxide, heavy hydrocarbon, and nitrogen. |
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However the primary reservoir interval resulted in being a poor quality siltstone, and no hydrocarbon shows were encountered in the well. |
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Organic petrological study on hydrocarbon generation and expulsion from organic-rich black shale and oil shale. |
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Sasol of South Africa converts synthesis gas into a broad range hydrocarbon streams using its slurry phase distillate process. |
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Diamondoids are cage-shaped rigid hydrocarbon molecules resembling tiny fragments of a diamond crystal lattice. |
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The patent covers technology particularly useful in deepwater hydrocarbon production. |
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As Qatar moves further away from hydrocarbon dependancy, the private sector is being wooed more to become actively involved. |
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Controls on hydrocarbon accumulation in glauconitic sandstone, Suffield heavy oil sands, southern Alberta. |
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In most cases a positive response indicates a hydrocarbon accumulation and a negative reading almost is always a dry hole. |
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Most of these fullerenes are produced using easily available substrates such as graphite, coal, and hydrocarbon fuels. |
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The bioflavonoid galangin blocks aryl hydrocarbon receptor activation and polycyclic aromatic hydrocarbon-induced pre-B cell apoptosis. |
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The chemical structure of petroleum is heterogeneous, composed of hydrocarbon chains of different lengths. |
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Hydraulic fracturing creates greater permeability and increases hydrocarbon flow to the wellbore. |
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For both reasons, a global emissions reduction protocol will impose a greater shadow price shock on countries with significant hydrocarbon resources. |
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On heating, this CT complex dissociates, and the iodine thus made free will be surrounded by the long chain hydrocarbon environment provided by the stearyl group. |
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The term is applied to those varieties of coal which do not give off tarry or other hydrocarbon vapours when heated below their point of ignition. |
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The initial product focus will include base oils, transformer oils, waxes, white mineral oils, petrolatum, and other specialty hydrocarbon fluids, such as solvents. |
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The company's separation technology removes black powder from hydrocarbon fluid and gas to sub-micron levels without flow restriction, using a cleanable magnetic design. |
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Currently all commercial corn oil is obtained from corn germ by extracting it using hexane, a hydrocarbon, or by a process that combines pressing and hexane extraction. |
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Cenospheres are present in smoke from liquid hydrocarbon fuels. |
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A fluorescence probe, N-phenylnaphlylamine, was used to estimate the critical micelle concentration and the polarity of the hydrocarbon core of the micelle. |
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As inert gas is introduced into a mixture of hydrocarbon vapors and air, it increases the lower flammable limit or lowest concentration at which the vapors can be ignited. |
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Rosneft and Vietnam Oil and Gas Group finalized Contract on primary conditions for geological study, hydrocarbon exploration and manufacturing in the Pechora Sea. |
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Steel GBS do not usually provide hydrocarbon storage capability. |
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Chelsea's new low cost UviLux hydrocarbon sensor has been re-configured for the specific requirements for both the PAH and turbidity measurements. |
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The product from the reactor was de-ashed through a set of de-ashing vessels in which the hydrocarbon stream was contacted in countercurrent flow with water. |
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It shows that toluene, a fairly simple and nonmutagenic hydrocarbon found in virtually all urban air, can be converted photochemically into gas-phase mutagens. |
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Following the discovery and development of the Ceiba Field, this is another important milestone in the development of Equatorial Guinea's hydrocarbon industry. |
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In late 2013, a total of three consortia obtained hydrocarbon extraction rights to four large areas of the Greenland Sea from the Greenland Bureau of Mineral and Petroleum. |
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It is comprised of a family of hydrocarbon compounds characterised by a chromanol ring with a phytol side chain referred to as tocopherols and tocotrienols. |
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Apart from its hydrocarbon resources, Kazakhstan is rich in uranium, gold, iron ore, chrome ore, nickel, cobalt, lead, uranium, bauxite and aluminium oxide. |
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Four different types of hydrocarbon molecules appear in crude oil. |
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The well defined shapes of the cavities in zeolites makes them significantly more selective for hydrocarbon cracking reactions than the simple aluminosilicates they replaced. |
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An oil spill is the release of a liquid petroleum hydrocarbon into the environment, especially the marine ecosystem, due to human activity, and is a form of pollution. |
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Woodhole oceanographic analysis of sediments in 1973, established evidence of long chain hydrocarbon, clearly indicating evidence of a petroleum system under the lake. |
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The Merox process efficiently and economically treats hydrocarbon streams to remove mercaptan sulfur or to convert mercaptan sulfur to less-objectionable disulfides. |
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However, as will be shown below, the volume expansivity of certain fluids, such as hydrocarbon blends and silicone oils, is large enough to be of importance. |
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However, there also are cases where BSR products formed relatively late diagenetically, such as in uplifted reservoirs after hydrocarbon migration. |
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Fluid coking is a process which converts heavy residual crude into lighter products such as naphtha, kerosene, heating oil, and hydrocarbon gases. |
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