atmospheric radical

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• Radical (chemistry) — Free radical redirects here. For other uses, see Free radical (disambiguation). Moses Gomberg (1866 1947), the founder of radical chemistry Radicals (often referred to as free radicals) are atoms, molecules, or ions with unpaired electrons on an… …   Wikipedia

• Atmospheric abundances for Jupiter — ▪ Table Atmospheric abundances for Jupiter gas percent element measured (relative to hydrogen) Jupiter/Sun ratio Equilibrium species hydrogen (H2) 86.4 helium (He) 13.56 helium 4 0.81 water (H2O) > 0.026 oxygen > 0.82 methane (CH4) 0.21 carbon… …   Universalium

• Hydroxyl radical — IUPAC name Hydroxyl radical …   Wikipedia

• Free-radical theory — The free radical theory of aging states that organisms age because cells accumulate free radical damage over time. In general, a free radical is any atom or molecule that has a single unpaired electron in an outer shell. While a few free radicals …   Wikipedia

• Hydroxyl radical — (OH)   An important chemical scavenger of many trace gases in the atmosphere that are greenhouse gases. Atmospheric concentrations of OH affect the atmospheric lifetimes of greenhouse gases, their abundance, and, ultimately, the effect they have… …   Energy terms

• Oxygen toxicity — Classification and external resources In 1942–43 the UK Government carried out extensive testing for oxygen toxicity in divers. The chamber is pressurised with air to 3.7  …   Wikipedia

• Sulfanyl — For the chemistry of organo thiyl radicals, see Thiol#Thiyl radicals. Sulfanyl Systematic name Sulfanyl …   Wikipedia

• performing arts — arts or skills that require public performance, as acting, singing, or dancing. [1945 50] * * * ▪ 2009 Introduction Music Classical.       The last vestiges of the Cold War seemed to thaw for a moment on Feb. 26, 2008, when the unfamiliar strains …   Universalium

• Ozone depletion — Image of the largest Antarctic ozone hole ever recorded (September 2006) Ozone depletion describes two distinct but related phenomena observed since the late 1970s: a steady decline of about 4% per decade in the total volume of ozone in Earth s… …   Wikipedia

• Ozone — For other uses, see Ozone (disambiguation). Ozone …   Wikipedia

• United Kingdom — a kingdom in NW Europe, consisting of Great Britain and Northern Ireland: formerly comprising Great Britain and Ireland 1801 1922. 58,610,182; 94,242 sq. mi. (244,100 sq. km). Cap.: London. Abbr.: U.K. Official name, United Kingdom of Great… …   Universalium