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purified petroleum

См. также в других словарях:

  • petroleum refining — Introduction  conversion of crude oil into useful products. History Distillation of kerosene and naphtha       The refining of crude petroleum owes its origin to the successful drilling of the first oil well in Titusville, Pa., in 1859. Prior to… …   Universalium

  • Petroleum coke, marketable —   Those grades of coke produced in delayed or fluid cokers that may be recovered as relatively pure carbon. Marketable petroleum coke may be sold as is or further purified by calcining.   U.S. Dept. of Energy, Energy Information Administration s… …   Energy terms

  • petroleum — A mixture of liquid hydrocarbons found in the earth in various parts of the world and believed to be derived from fossilized animal and plant remains; the source of petrolatum, in addition to its use for lighting and heating purposes. SYN: coal… …   Medical dictionary

  • Opium — An addictive narcotic drug derived from the unripe seedpods of the opium poppy. Preparations of opium were called laudanum. Derivatives of laudanum include paregoric (a drug to treat diarrhea), morphine and heroin. For centuries, opium was used… …   Medical dictionary

  • denarcotized opium — deodorized opium powdered opium freed from certain nauseating constituents by extraction with purified petroleum benzin …   Medical dictionary

  • Life Sciences — ▪ 2009 Introduction Zoology       In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… …   Universalium

  • industrial polymers, major — Introduction       chemical compounds used in the manufacture of synthetic industrial materials.       In the commercial production of plastics, elastomers, man made fibres, adhesives, and surface coatings, a tremendous variety of polymers are… …   Universalium

  • Creosote — For other uses, see Creosote (disambiguation). Creosote is the portion of chemical products obtained by the distillation of a tar that remains heavier than water, notably useful for its anti septic and preservative properties.[1] It is produced… …   Wikipedia

  • Inventions in medieval Islam — A significant number of inventions were developed in the medieval Islamic world, a geopolitical region that has at various times extended from Al Andalus and Africa in the west to the Indian subcontinent and Malay Archipelago in the east.… …   Wikipedia

  • Timeline of Islamic science and engineering — This timeline of Islamic science and engineering covers the general development of science and technology in the Islamic world during the Islamic Golden Age, usually dated from the 7th to 16th centuries.From the 17th century onwards, the advances …   Wikipedia

  • Refinery — A refinery is composed of a group of chemical engineering unit processes and unit operations used for refining certain materials or converting raw material into products of value. Types of refineriesThe various types of refineries include:* Oil… …   Wikipedia

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