gas-lift flowing well

  • 81Ecology — For other uses, see Ecology (disambiguation). Ecology …

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  • 82Renewable energy — Burbo Bank Offshore Wind Farm, at the entrance to the River Mersey in North West England …

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  • 83List of United States inventions — 1700s1731 Sextant * The sextant is an astronomical instrument that is used to determine latitude for navigation. It does this by measuring angular distances, like the altitude of the sun, moon and stars. The sextant was invented independently in… …

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  • 84Colorado — Coloradan, Coloradoan, adj., n. /kol euh rad oh, rah doh/, n. 1. a state in the W United States. 2,888,834; 104,247 sq. mi. (270,000 sq. km). Cap.: Denver. Abbr.: CO (for use with zip code), Col., Colo. 2. a river flowing SW from N Colorado… …

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  • 85Iraq — /i rak , i rahk /, n. a republic in SW Asia, N of Saudi Arabia and W of Iran, centering in the Tigris Euphrates basin of Mesopotamia. 22,219,289; 172,000 sq. mi. (445,480 sq. km). Cap.: Baghdad. Also, Irak. * * * Iraq Introduction Iraq Background …

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  • 86Myanmar — /muy ahn mah/, n. Union of, official name of Burma. * * * I or Burma officially Union of Myanmar Country, Southeast Asia, on the Bay of Bengal and the Andaman Sea. Area: 261,228 sq mi (676,577 sq km). Population (2002 est.): 42,238,000. Capital:… …

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  • 87Thermodynamic system — A thermodynamic system is a precisely defined macroscopic region of the universe, often called a physical system, that is studied using the principles of thermodynamics. All space in the universe outside the thermodynamic system is known as the… …

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  • 88Bulgaria — /bul gair ee euh, bool /, n. a republic in SE Europe. 8,652,745; 42,800 sq. mi. (110,850 sq. km). Cap.: Sofia. * * * Bulgaria Introduction Bulgaria Background: The Bulgars, a Central Asian Turkic tribe, merged with the local Slavic inhabitants in …

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  • 89hand tool — any tool or implement designed for manual operation. * * * Introduction  any of the implements used by craftsmen in manual operations, such as chopping, chiseling, sawing, filing, or forging. Complementary tools, often needed as auxiliaries to… …

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  • 90Oil shale extraction — is an industrial process in which kerogen mdash;a mixture of organic chemical compounds (including hydrocarbons) found in oil shale mdash;is converted into synthetic crude oil through pyrolysis. In pyrolysis, oil shale is heated in the absence of …

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