unresolved complex mixture

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• Unresolved complex mixture — (also UCM or hump ) is a feature frequently observed in gas chromatographic (GC) data of crude oils and other substances. The reason for its appearance is that GC cannot resolve and identify a significant part of the hydrocarbons in crude oils.… …   Wikipedia

• Petroleum — For other uses, see Petroleum (disambiguation). Proven world oil reserves, 2009 …   Wikipedia

• Gas chromatography — A gas chromatograph with a headspace sampler Acronym GLC, GC Classification chromatography Analytes organic inorganic …   Wikipedia

• Gas-liquid chromatography — Infobox chemical analysis name = Gas liquid chromatography caption =A gas chromatograph with a headspace sampler acronym = GLC, GC classification =chromatography analytes = organic inorganic must be volatile manufacturers = Agilent (a spin off of …   Wikipedia

• UCM (disambiguation) — UCM can stand for: *Unified Change Management, a layer built on top of Rational ClearCase *Uniform Circular Motion *University College Maastricht, a liberal arts college in The Netherlands *University of California, Merced *University of Central… …   Wikipedia

• UCM — Unified Change Management (Computing » Software) * United Community Ministries (Community » Religion) * Unresolved Complex Mixture (Academic & Science » Ocean Science) * Unicom Corporation (Business » NYSE Symbols) * Union Of Catholic Mothers… …   Abbreviations dictionary

• china — /chuy neuh/, n. 1. a translucent ceramic material, biscuit fired at a high temperature, its glaze fired at a low temperature. 2. any porcelain ware. 3. plates, cups, saucers, etc., collectively. 4. figurines made of porcelain or ceramic material …   Universalium

• China — /chuy neuh/, n. 1. People s Republic of, a country in E Asia. 1,221,591,778; 3,691,502 sq. mi. (9,560,990 sq. km). Cap.: Beijing. 2. Republic of. Also called Nationalist China. a republic consisting mainly of the island of Taiwan off the SE coast …   Universalium

• chemical element — Introduction also called  element,         any substance that cannot be decomposed into simpler substances by ordinary chemical processes. Elements are the fundamental materials of which all matter is composed.       This article considers the… …   Universalium

• Europe, history of — Introduction       history of European peoples and cultures from prehistoric times to the present. Europe is a more ambiguous term than most geographic expressions. Its etymology is doubtful, as is the physical extent of the area it designates.… …   Universalium

• Anthropology and Archaeology — ▪ 2009 Introduction Anthropology       Among the key developments in 2008 in the field of physical anthropology was the discovery by a large interdisciplinary team of Spanish and American scientists in northern Spain of a partial mandible (lower… …   Universalium