photochemical fog

См. также в других словарях:

• 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 — 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

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

• radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… …   Universalium

• light — light1 lightful, adj. lightfully, adv. /luyt/, n., adj., lighter, lightest, v., lighted or lit, lighting. n. 1. something that makes things visible or affords illumination: All colors depend on light. 2. Physics …   Universalium

• smog — Air pollution characterized by a hazy and often highly irritating atmosphere resulting from a mixture of fog with smoke and other air pollutants. [smoke + fog] * * * smog smägalso smȯg n a fog made heavier and darker by smoke and chemical fumes… …   Medical dictionary

• Weather testing of polymers — is the controlled polymer degradation and polymer coating degradation under lab or natural conditions.Just like errosion of rocks, natural phenomena can cause degratation in polymer systems. The elements of most concern to polymers are… …   Wikipedia

• respiratory disease — ▪ human disease Introduction  any of the diseases and disorders that affect human respiration (respiration, human).  Diseases of the respiratory system may affect any of the structures and organs that have to do with breathing, including the… …   Universalium

• smog — noun Etymology: smoke + fog Date: 1884 a fog made heavier and darker by smoke and chemical fumes; also a photochemical haze caused by the action of solar ultraviolet radiation on atmosphere polluted with hydrocarbons and oxides of nitrogen… …   New Collegiate Dictionary

• agricultural technology — Introduction       application of techniques to control the growth and harvesting of animal and vegetable products. Soil preparation       Mechanical processing of soil so that it is in the proper physical condition for planting is usually… …   Universalium

• Pollution — For the Fransisco Battiato album, see Pollution (album). For the Goodies episode, see Pollution (The Goodies). Air pollution from World War II weapon production in Alabama, 1942 …   Wikipedia