Titlebook: Air and Noise Pollution Control; Volume 1 Lawrence K. Wang,Norman C. Pereira Book 1979 The HUMANA Press Inc. 1979 Air pollution.Tore.atmosp

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2512-1359 taken to restore the quality of our environment, and to protect it from the degrading effects of all forms of pollution-air, noise, solid waste, and water. Since pollution is a direct or" indirect consequence of waste, if there is no waste, there can be no pollution, and the seemingly idealistic dem

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抑制

Atmospheric Dilution decay, forest fires, and bursts of rising air bubbles that eject aerosols from the oceans. An additional source of impurity is the radioactive gases formed by cosmic ray interaction and by radioactive decay of radionuclides from the earth.

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,Die Fremdzündung des Fahrzeugmotors,niques, it is usually the built-up solid cake that actually performs the filtration; therefore, it is important that an initial layer of deposit be formed at the beginning of the filtration operation.

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Schwingungen des Fahrzeugmotors,and mouths of the occupants; (4) an increase in humidity owing to the moisture in the breath and evaporation from the skin; and (5) an increase in the room temperature owing to the heat generated in the body processes [1].

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Schwingungen des Fahrzeugmotors,he only major federal activity in the field of noise control legislation was a 1968 amendment to the Federal Aviation Act, whereby the FAA was directed to regulate civil aircraft noise during landings and takeoffs, and including sonic booms.