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Gravity (disambiguation) — Gravity is gravitation, the mass proportionate force of attraction among matter.Gravity may also refer to: * Density: ** Gravity (beer) ** Gravity (chemistry) * Focal mechanism in gravity model of trade * Gravity (social science methodology)… … Wikipedia
Gravity (alcoholic beverage) — A floating hydrometer in use to test the specific gravity of beer Gravity, in the context of fermenting alcoholic beverages, refers to the specific gravity, or relative density compared to water, of the wort or must at various stages in the… … Wikipedia
Gravity Pipe — Gravity Pipe, otherwise known as GRAPE, is a project which uses hardware acceleration to perform gravitational computations. Integrated with Beowulf style commodity computers, the GRAPE system calculates the force of gravity that a given mass,… … Wikipedia
Wet chemistry — is a term used to refer to chemistry generally done in the liquid phase. It is also known as bench chemistry because many of the tests performed are done at a lab bench.MaterialsTraditionally, it involves the use of laboratory glassware, such as… … Wikipedia
Steam assisted gravity drainage — (SAGD) is an enhanced oil recovery technology for producing heavy crude oil and bitumen. It is an advanced form of steam stimulation in which a pair of horizontal wells is drilled into the oil reservoir, one a few metres above the other. Low… … Wikipedia
Precipitation (chemistry) — This article is about the chemical phenomemon. For other uses, see Precipitation. Precipitate redirects here. For the album by Interpol, see Precipitate EP. Chemical Precipitation Precipitation is the formation of a solid in a solution or inside… … Wikipedia
separation and purification — ▪ chemistry Introduction in chemistry, separation of a substance into its components and the removal of impurities. There are a large number of important applications in fields such as medicine and manufacturing. General principles… … Universalium
Physical Sciences — ▪ 2009 Introduction Scientists discovered a new family of superconducting materials and obtained unique images of individual hydrogen atoms and of a multiple exoplanet system. Europe completed the Large Hadron Collider, and China and India took… … Universalium
Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity. Computer scientist Manindra Agrawal of the… … Universalium
Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… … Universalium
