photochemical oxidant

  • 1photochemical reaction — Chemical reaction initiated by absorption of energy in the form of visible (light), ultraviolet, or infrared radiation. Primary photochemical processes occur as an immediate result, and secondary processes may follow. The most important example… …

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  • 2oxidant smog — /ok si deuhnt/, Meteorol. See photochemical smog. * * * …

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  • 3photochemical smog — Meteorol. air pollution containing ozone and other reactive chemical compounds formed by the action of sunlight on nitrogen oxides and hydrocarbons, esp. those in automobile exhaust. Also called oxidant smog, smog. [1957; PHOTO + CHEMICAL] * * * …

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  • 4oxidant smog — /ok si deuhnt/, Meteorol. See photochemical smog …

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  • 5photochemical smog — Meteorol. air pollution containing ozone and other reactive chemical compounds formed by the action of sunlight on nitrogen oxides and hydrocarbons, esp. those in automobile exhaust. Also called oxidant smog, smog. [1957; PHOTO + CHEMICAL] …

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  • 6фотохимический окислитель — — [http://www.eionet.europa.eu/gemet/alphabetic?langcode=en] EN photochemical oxidant Any of the chemicals which enter into oxidation reactions in the presence of light or other radiant energy. (Source: MGH)… …

    Справочник технического переводчика

  • 7Photochemistry — Photochemistry, a sub discipline of chemistry, is the study of chemical reactions that proceed with the absorption of light by atoms or molecules.[1]. Everyday examples include photosynthesis, the degradation of plastics and the formation of… …

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  • 8atmosphere, evolution of — Introduction  the development of Earth s (Earth) atmosphere across geologic time. The process by which the current atmosphere arose from earlier conditions is complex; however, evidence related to the evolution of Earth s atmosphere, though… …

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  • 9Perchlorate — Perchlorate …

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  • 10Ozone 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… …

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