tar bitumen mixture

См. также в других словарях:

• 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

• Bitumen — is a mixture of organic liquids that are highly viscous, black, sticky, entirely soluble in carbon disulfide, and composed primarily of highly condensed polycyclic aromatic hydrocarbons. Naturally occurring or crude bitumen is a sticky, tar like… …   Wikipedia

• bitumen — noun Etymology: Middle English bithumen mineral pitch, from Latin bitumin , bitumen Date: 15th century 1. an asphalt of Asia Minor used in ancient times as a cement and mortar 2. any of various mixtures of hydrocarbons (as tar) often together… …   New Collegiate Dictionary

• 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

• Medicine in medieval Islam — In the history of medicine, Islamic medicine or Arabic medicine refers to medicine developed in the medieval Islamic civilization and written in Arabic, the lingua franca of the Islamic civilization. Despite these names, a significant number of… …   Wikipedia

• 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

• Oil sands — The Athabasca oil sands in Alberta, Canada, are a very large source of bitumen, which can be upgraded to synthetic crude oil. Bituminous sands, colloquially known as oil sands or tar sands, are a type of unconventional petroleum deposit. The… …   Wikipedia

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

• Early thermal weapons — were devices or substances used in warfare during the classical and medieval periods (approx 8th century BC until the mid 16th century AD) which used heat or burning action to destroy or damage enemy personnel, fortifications or territories.… …   Wikipedia

• 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

• Athabasca Oil Sands — The Athabasca Oil Sands (also known as the Athabasca Tar Sands) are large deposits of bitumen, or extremely heavy crude oil, located in northeastern Alberta, Canada. These oil sands consist of a mixture of crude bitumen (a semi solid form of… …   Wikipedia