Definitionn. a dark oil consisting mainly of hydrocarbons
Last update: September 17, 2015
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Petroleum is a fossil fuel. It is a source of various important fuels. [Please select]
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If crude-petroleum dips are used, one dipping is usually sufficient, and the dip is used cold. [Please select]
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The treatment likely to be most efficacious is that of dipping in a crude-petroleum dip, one treatment as a rule being sufficient. [Please select]
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The production and refining of petroleum became an industry of great importance. [Please select]
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Paraffine~, both liquid and solid, is obtained by the distillation of crude petroleum by means of superheated steam. [Please select]
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They are usually exposed for a few days in open shallow tanks for the purpose of removing the flurescence of petroleum oils. [Please select]
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Obtained from the residuum of petroleum distillation it is usually 43° C. [Please select]
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The petroleum from different localities differs greatly in appearance and composition. [Please select]
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Seventy-five per cent of steel, eighty-three per cent of petroleum, ninety per cent of sugar production are brought under the control of industrial combinations. [Please select]
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His dark figure stood out strongly from the background of the shabby blue wall paper, and the petroleum lamp cast deep shadows in the hollows of his face. [Please select]
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