liquid bitumens

См. также в других словарях:

• Bitumens — ▪ Table Bitumens liquid petroleum paraffin base mixed base asphaltic base native mineral waxes ozocerite (called ceresine when refined) montan wax (extracted from peat) native asphalts vary from a pure solid bitumen to an impure bitumen… …   Universalium

• bitumen — bituminoid /buy tooh meuh noyd , tyooh , bi /, adj. /buy tooh meuhn, tyooh , bi , bich oo /, n. 1. any of various natural substances, as asphalt, maltha, or gilsonite, consisting mainly of hydrocarbons. 2. (formerly) an asphalt of Asia Minor used …   Universalium

• Asphalt — Note: The terms bitumen and asphalt are mostly interchangeable, except where asphalt is used as an abbreviation for asphalt concrete For other uses, see Asphalt (disambiguation). Natural bitumen from the Dead sea …   Wikipedia

• sedimentary rock — Rock formed at or near the Earth s surface by the accumulation and lithification of fragments of preexisting rocks or by precipitation from solution at normal surface temperatures. Sedimentary rocks can be formed only where sediments are… …   Universalium

• petroleum — petroleous, adj. /peuh troh lee euhm/, n. an oily, thick, flammable, usually dark colored liquid that is a form of bitumen or a mixture of various hydrocarbons, occurring naturally in various parts of the world and commonly obtained by drilling:… …   Universalium

• Petroleum — For other uses, see Petroleum (disambiguation). Proven world oil reserves, 2009 …   Wikipedia

• oil shale — Geol. a black or dark brown shale or siltstone rich in bitumens, from which shale oil is obtained by destructive distillation. [1870 75] * * * Any fine grained sedimentary rock that contains solid organic matter (kerogen) and yields significant… …   Universalium

• fossil fuel — Energy. any combustible organic material, as oil, coal, or natural gas, derived from the remains of former life. * * * Any of a class of materials of biologic origin occurring within the Earth s crust that can be used as a source of energy.… …   Universalium

• asphalt — A dark brown to black cementatious material solid, semisolid, or liquid in consistency in which the predominating constituents are bitumens. Petroleum asphalt, as distinguished from asphalt occurring as such in nature, is refined from crude… …   Petroleum refining glossary