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  • 21Montagnes russes navette — Turbine à Walibi Belgium. Les montagnes russes navette sont un types de montagnes russes dont le circuit n’est pas fermé. Les trains n’effectuent donc pas un circuit classique et sont amenés à faire une partie en marche arrière. Les montagnes… …

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  • 22Components of jet engines — Diagram of a typical gas turbine jet engine. Air is compressed by the fan blades as it enters the engine, and it is mixed and burned with fuel in the combustion section. The hot exhaust gases provide forward thrust and turn the turbines which… …

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  • 23technology, history of — Introduction       the development over time of systematic techniques for making and doing things. The term technology, a combination of the Greek technē, “art, craft,” with logos, “word, speech,” meant in Greece a discourse on the arts, both… …

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  • 24Turbocharger — A turbocharger, or turbo, is an air compressor used for forced induction of an internal combustion engine. Like a supercharger, the purpose of a turbocharger is to increase the mass of air entering the engine to create more power. However, a… …

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  • 25Intermittent energy source — An intermittent energy source is any source of energy that is not continuously available due to some factor outside direct control. The intermittent source may be quite predictable, for example, tidal power, but cannot be dispatched to meet the… …

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  • 26Coandă-1910 — Coandă 1910 …

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  • 27Iowa class battleship — The Iowa class battleships were a class of six fast battleships ordered by the United States Navy in 1939 and 1940 to escort the Fast Carrier Task Forces that would operate in the Pacific Theater of World War II. Four were completed in the early… …

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  • 28Jet engine performance — This article describes how jet engine performance is estimated during the design phase. Similar techniques are used once the engine has been built and is being tested, except the performance of individual components, rather than being assumed, is …

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  • 29airplane — /air playn /, n. 1. a heavier than air aircraft kept aloft by the upward thrust exerted by the passing air on its fixed wings and driven by propellers, jet propulsion, etc. 2. any similar heavier than air aircraft, as a glider or helicopter. Also …

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  • 30ГОСТ 23269-78: Турбины стационарные паровые. Термины и определения — Терминология ГОСТ 23269 78: Турбины стационарные паровые. Термины и определения оригинал документа: 16. n цилиндровая паровая стационарная турбина D. n gehausige Dampfturbine E. n cylinder steam turbine F. Turbine a vapeur avec un nombre «n» de… …

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