and photochemical pollutants

См. также в других словарях:

• 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 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… …   Universalium

• Fujishima, Akira, and Honda, Kenichi — ▪ 2005       Japanese scientists Akira Fujishima and Kenichi Honda were named winners of the 2004 Japan Prize, an international award given annually to individuals who have made outstanding contributions to science and technology. The award cited …   Universalium

• photochemicalsmog — photochemical smog n. Air pollution produced by the action of sunlight on hydrocarbons, nitrogen oxides, and other pollutants. * * * …   Universalium

• Air pollution — from World War II production Smog over …   Wikipedia

• environmental works — ▪ civil engineering Introduction       infrastructure that provides cities and towns with water supply, waste disposal, and pollution control services. They include extensive networks of reservoirs, pipelines, treatment systems, pumping stations …   Universalium

• electromagnetic radiation — Physics. radiation consisting of electromagnetic waves, including radio waves, infrared, visible light, ultraviolet, x rays, and gamma rays. [1950 55] * * * Energy propagated through free space or through a material medium in the form of… …   Universalium

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

• environment — environmental, adj. environmentally, adv. /en vuy reuhn meuhnt, vuy euhrn /, n. 1. the aggregate of surrounding things, conditions, or influences; surroundings; milieu. 2. Ecol. the air, water, minerals, organisms, and all other external factors… …   Universalium

• pollution — /peuh looh sheuhn/, n. 1. the act of polluting or the state of being polluted. 2. the introduction of harmful substances or products into the environment: air pollution. [1350 1400; ME pollucioun ( < OF) < LL pollution , s. of pollutio… …   Universalium