Circulation: Facts, Discussion Forum, and Encyclopedia Article

Circulation

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	Circulation may refer to: Circulatory system Circulatory system The circulatory system is an organ that moves nutrients, gases, and wastes to and from cells to help fight diseases and help stabilize body temperature and pH to maintain homeostasis.... , a biological organ system whose primary function is to move substances to and from cells Circulation (fluid dynamics) Circulation (fluid dynamics) In fluid dynamics, circulation is the line integral around a closed curve of the fluid velocity. Circulation is normally denoted . If is the fluid velocity and is a unit vector along the closed curve :... , the path integral of the fluid velocity around a closed curve Circulation (journal) Circulation (journal) *Circulation* is a scientific journal published by the American Heart Association. From 1996 to 2004, its impact factor has remained close to 10.... , one of the journals published by American Heart Association American Heart Association The American Heart Association is a non-profit organization in the United States that fosters appropriate Heart care in an effort to reduce disability and deaths caused by cardiovascular disease and stroke.... Circulation (architecture) Circulation (architecture) In the field of architecture, circulation refers to the way people move through and interact with a building. In public buildings, circulation is of high importance; for example, in buildings such as museums, it is key to have a floor plan that allows continuous movement while minimizing the necessity to retrace one's steps, allowing a visitor to s... , the flow of people through a building. Exhaust gas recirculation Exhaust gas recirculation Exhaust gas recirculation is a nitrogen oxide emissions reduction technique used in most gasoline and diesel engines.EGR works by recirculating a portion of an engine's exhaust gas back to the engine cylinder s.... , a nitrogen oxide reduction technique used in most gasoline and diesel engines Atmospheric circulation Atmospheric circulation Atmospheric circulation is the large-scale movement of air, and the means by which heat is distributed on the surface of the Earth.The large-scale structure of the atmospheric circulation varies from year to year, but the basic structure remains fairly constant.... , the large-scale movement of air Newspaper circulation Newspaper circulation A newspaper's circulation is the number of copies it distributes on an average day. Newspaper circulation rates are currently experiencing a downward trend.... , the average number of copies of a newspaper distributed on a day Online Newspaper Electronic Circulation, (E-Circulation) the average number of readers whom receive email daily with links to an online newspaper. Magazine circulation, the average number of copies of a periodical distributed per edition/ volume Circulation (UK duo), a UK house music duo Circulation problem Circulation problem The circulation problem and its variants is a generalisation of network flow problems, with the added constraint of a lower bound on edge flows, and with flow conservation also being required for the source and sink .... , a generalisation of network flow problems Library circulation Library circulation Library circulation or library lending comprises the activities around the lending of library books and other material to users of a lending library.... , the activities around the lending of library books and other material to users of a lending library Circulation (currency) Circulation (currency) With regards to a particular currency, circulation refers to the total wealth of that currency that is engaged in that currency's economy at a given time.... , the transfer of currency through the hands of civilians hi see also !!!! List of circulating currencies List of circulating currencies This list of circulating currencies contains the 182 current official or de facto currency of the 192 United Nations United Nations member states, 1 United Nations General Assembly observers, 4 partially recognized sovereign states, 6 List of unrecognized countries, and 32 List of dependent territories....