forced-circulation pump

  • 51Solar air conditioning — refers to any air conditioning (cooling) system that uses solar power. This can be done through passive solar, photovoltaic conversion (sun to electricity), or solar thermal energy conversion. The U.S. Energy Independence and Security Act of… …

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  • 52convection — convectional, adj. /keuhn vek sheuhn/, n. 1. Physics. the transfer of heat by the circulation or movement of the heated parts of a liquid or gas. 2. Meteorol. the vertical transport of atmospheric properties, esp. upward (distinguished from… …

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  • 53Matthew Boulton — 1792 portrait of Matthew Boulton Born 3 September 1728(1728 09 03) Birmingham, England …

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  • 54Insulin — This article is about the insulin protein. For uses of insulin in treating diabetes, see insulin therapy. Not to be confused with inulin. Insulin Computer generated image of six insulin molecules assembled in a hexamer, highlighting the threefold …

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  • 55Peak oil — A logistic distribution shaped production curve, as originally suggested by M. King Hubbert in 1956 …

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  • 56Cardiopulmonary resuscitation — CPR redirects here. For other uses, see CPR (disambiguation). Cardiopulmonary resuscitation Intervention CPR being performed on a mannequin ICD 9 …

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  • 57Ventricular assist device — Graphic describing a Left Ventricular Assist Device (LVAD). The device pumps blood from the left ventricle to the aorta. A Ventricular assist device, or VAD, is a mechanical circulatory device that is used to partially or completely replace the… …

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  • 58international relations — a branch of political science dealing with the relations between nations. [1970 75] * * * Study of the relations of states with each other and with international organizations and certain subnational entities (e.g., bureaucracies and political… …

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  • 59Fountain — For other uses, see Fountain (disambiguation). the Jet d eau, in Geneva (1951), rises 140 meters (459 feet) above Lake Geneva …

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  • 60Advanced Boiling Water Reactor — The Advanced Boiling Water Reactor (ABWR) is a Generation III reactor boiling water reactor. The ABWR was designed by General Electric. The standard ABWR plant design has a net output of about 1350 MWe, however General Electric Hitachi (GEH)has… …

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