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  • Efficiency — as a technical term may refer to: * Algorithmic efficiency, optimizing the speed and memory requirements of a computer program * Efficient energy use, useful work per quantity of energy ** Energy conversion efficiency, desired energy output per… …   Wikipedia

  • Surface enhanced Raman spectroscopy — Surface Enhanced Raman Spectroscopy, or Surface Enhanced Raman Scattering, often abbreviated SERS, is a surface sensitive technique that results in the enhancement of Raman scattering by molecules adsorbed on rough metal surfaces. The enhancement …   Wikipedia

  • Surface supplied diving — (also known as Hooka diving) refers to divers using equipment supplied with breathing gas using an umbilical cord from the surface, often from a diving support vessel but possibly, indirectly via a diving chamber.cite journal |author=Gernhardt,… …   Wikipedia

  • Surface condenser — A surface condenser is a commonly used term for a water cooled shell and tube heat exchanger installed on the exhaust steam from a steam turbine in thermal power stations.[1][2][3] These condensers are heat exchangers which convert steam from its …   Wikipedia

  • surface hardening — ▪ metallurgy       treatment of steel by heat or mechanical means to increase the hardness of the outer surface while the core remains relatively soft. The combination of a hard surface and a soft interior is greatly valued in modern engineering… …   Universalium

  • Surface Freight Forwarder Deregulation Act of 1986 — The Surface Freight Forwarder Deregulation Act of 1986, Public Law 99 521, is a federal law of the United States which eliminated federal regulation of prices, services and entry as to general commodities surface freight forwarders This Act was a …   Wikipedia

  • Surface Transportation and Uniform Relocation Assistance Act — The Surface Transportation and Uniform Relocation Assistance Act of 1987 (Pub. L. 100 17, Apr. 2, 1987, 101 Stat. 132) is a United States Act of Congress, also called the Federal Aid Highway Act of 1987. It nominally gave power to apportion money …   Wikipedia

  • Fin (extended surface) — In the study of heat transfer, a fin is a surface that extends from an object to increase the rate of heat transfer to or from the environment by increasing convection. The amount of conduction, convection, or radiation of an object determines… …   Wikipedia

  • Energy efficiency in British housing — Domestic housing in the United Kingdom presents one of the major opportunities for achieving the 20% overall cut in UK carbon dioxide emissions targeted by the Government for 2010.Carbon emissionsAlthough carbon emissions from housing have… …   Wikipedia

  • Quantum efficiency of a solar cell — Quantum efficiency (QE) is the ratio of the number of charge carriers collected by the solar cell to the number of photons of a given energy shining on the solar cell. QE therefore relates to the response of a solar cell to the various… …   Wikipedia

  • Battle Efficiency Award — The Battle Efficiency Award, commonly known as the Battle E is awarded annually to the small number of U.S. Navy ships, submarines, aviation and other units that win their battle efficiency competition.The criterion for the Battle Efficiency… …   Wikipedia

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