leak ratio
71Diesis — This article is about music. For other uses, see Diesis (disambiguation). Diesis on C  Play …
72Catalytic converter — A catalytic converter (colloquially, cat or catcon ) is a device used to reduce the toxicity of emissions from an internal combustion engine. First widely introduced on series production automobiles in the US market for the 1975 model year to… …
73Pratt & Whitney JT8D — The Pratt Whitney JT8D is a low bypass (0.96 to 1) turbofan jet engine, introduced by Pratt Whitney in February 1964 with the inaugural flight of Boeing s 727. It was a modification of the Pratt Whitney J52 turbojet engine, which powered the US… …
74Hispano-Suiza 12Y — The Hispano Suiza 12Y was a French aircraft engine in the pre WWII era. Developed from the earlier, and somewhat smaller, 12X, the 12Y became the primary 1,000 hp (750 kW) class engine and was used in a number of famous aircraft, including the… …
75Hearing aid — Behind the ear aid In the ear aid …
76Merlin (rocket engine) — Merlin 1C SpaceX Merlin 1A (shown) Country of origin United States Manufacturer SpaceX Liq …
77Kinetic isotope effect — The kinetic isotope effect (KIE) is the ratio of reaction rates of two different isotopically labeled molecules in a chemical reaction. It is also called isotope fractionation, although this term is somewhat broader in meaning. A KIE involving… …
78Mercedes-Benz W210 — Manufacturer Daimler Benz (1995 1998) DaimlerChrysler (1998 2002) Production 1995–2002 Assembly Sindelfingen …
79Origin of water on Earth — Water covers about 70% of the Earth s surface The question of the origin of water on Earth, or the question of why there is clearly more water on the Earth than on the other planets of the Solar System, has not been clarified. There are several… …
80Germany — /jerr meuh nee/, n. a republic in central Europe: after World War II divided into four zones, British, French, U.S., and Soviet, and in 1949 into East Germany and West Germany; East and West Germany were reunited in 1990. 84,068,216; 137,852 sq.… …
