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Universalium. 2010.
photochemical smog — fotocheminis smogas statusas T sritis ekologija ir aplinkotyra apibrėžtis Smogas, susidarantis per ultravioletinės spinduliuotės veikiamas azoto oksidų reakcijas su angliavandeniliais. atitikmenys: angl. photochemical smog vok. photochemischer… … Ekologijos terminų aiškinamasis žodynas
photochemical smog — fotocheminis smogas statusas T sritis chemija apibrėžtis Smogas, susidarantis per ultravioletinės spinduliuotės veikiamas azoto oksidų reakcijas su angliavandeniliais. atitikmenys: angl. photochemical smog rus. фотохимический смог … Chemijos terminų aiškinamasis žodynas
photochemical smog — /foʊtoʊkɛmɪkəl ˈsmɒg/ (say fohtohkemikuhl smog) noun smog produced by the reaction of hydrocarbons with nitrogen oxide in sunlight; common in large urban areas where there are stable atmospheric conditions and a high level of hydrocarbons, as… …
photochemical 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] … Useful english dictionary
photochemical smog — noun air pollution caused by photochemical reactions involving hydrocarbons, nitrogen oxides and other pollutants, especially in still air over cities … Wiktionary
photochemical smog — n. smog produced by strong sunlight on nitrogen dioxide and hydrocarbons and other pollutants discharged by automobile exhausts which create a harmful haze … English contemporary dictionary
photochemical smog — a heavy, brown coloured, air pollution formed by the reaction of vehicle and factory emissions with sunlight to produce ozone which is harmful to humans, animals and plants … Geography glossary
Smog — is a kind of air pollution; the word smog is a portmanteau of smoke and fog. Classic smog results from large amounts of coal burning in an area caused by a mixture of smoke and sulfur dioxide. Modern smog does not usually come from coal but from… … Wikipedia
smog — smogless, adj. /smog, smawg/, n. 1. smoke or other atmospheric pollutants combined with fog in an unhealthy or irritating mixture. 2. See photochemical smog. v.t. 3. to cover or envelop with or as if with smog. [1900 05; SM(OKE) + (F)OG1] * * *… … Universalium
Smog — Originally smog meant a mixture of smoke and fog. The definition has expanded to mean air that has restricted visibility due to pollution. Pollution formed in the presence of sunlight is called photochemical smog. According to the U.S. EPA,… … Energy terms
