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Author : Anonim
Publisher : National Academies
Page : 740 pages
File Size : 44,9 Mb
Release : 1977-01-01
Category : Nature
ISBN : NAP:13139
Author : Robert Guderian
Publisher : Springer Science & Business Media
Page : 355 pages
File Size : 42,6 Mb
Release : 2012-12-06
Category : Science
ISBN : 9783642701184
Photochemical oxidants are secondary air pollutants formed under the influence of sunlight by complex photochemical reactions in air which contains nitrogen oxides and reactive hydrocarbons as precursors. The most adverse components formed by photochemical reactions in polluted air are ozone (0 ) 3 and peroxyacetyl nitrate (PAN), among many other products such as aldehydes, ketones, organic and inorganic acids, nitrates, sulfates etc. An analysis and evaluation of the available knowledge has been used to characterize the relationships among emissions, ambient air concentrations, and effects, and to identify the important controlling influences on the formation and effects of photochemical oxidants. The biological activity of photochemical oxidants was first clearly manifested during the early 1940's, when vegetation injury was observed in the Los Angeles Basin in the United States. Since that time, as a consequence of the increasing emissions of photochemical oxidant precursors, the photochemical oxidants have become the most important air pollutants in North America. In other parts of the world, for example South and Central America, Asia, and Australia, photo chemical oxidants threaten vegetation, particularly the economic and ecological performance of plant life. According to my knowledge, the first observations of ozone and PAN injury to vegetation in Europe were made by Dr. Ellis F. Darley (Statewide Air Pollution Research Center, University of California, Riverside, California) during a study visit (1963/64) to the Federal Republic of Germany.
Author : Anonim
Publisher : Unknown
Page : 674 pages
File Size : 41,6 Mb
Release : 1986
Category : Air
ISBN : UCBK:C049965132
Author : United States. Environmental Protection Agency
Publisher : Unknown
Page : 848 pages
File Size : 46,7 Mb
Release : 1998
Category : Environmental protection
ISBN : MINN:31951D016536121
Author : Anonim
Publisher : Unknown
Page : 856 pages
File Size : 43,8 Mb
Release : 1998
Category : Electronic
ISBN : CORNELL:31924077914319
Author : United States. Congress. House. Committee on Science. Subcommittee on Energy and Environment
Publisher : Unknown
Page : 910 pages
File Size : 49,7 Mb
Release : 1998
Category : Law
ISBN : PSU:000033099569
Author : United States. Environmental Protection Agency
Publisher : Unknown
Page : 478 pages
File Size : 50,5 Mb
Release : 1985
Category : Environmental protection
ISBN : UOM:39015018239841
Author : United States. Department of Energy
Publisher : Unknown
Page : 280 pages
File Size : 55,8 Mb
Release : 1980
Category : Coal gasification
ISBN : MINN:30000010515280
Author : Anonim
Publisher : Unknown
Page : 16 pages
File Size : 55,9 Mb
Release : 1981
Category : Air
ISBN : IND:30000138506625
Author : Anonim
Publisher : Unknown
Page : 112 pages
File Size : 52,7 Mb
Release : 1998
Category : Air
ISBN : UIUC:30112112946287
Author : Anonim
Publisher : Unknown
Page : 538 pages
File Size : 54,6 Mb
Release : 1989
Category : Atmospheric chemistry
ISBN : UCSD:31822005662093
Author : Anonim
Publisher : Unknown
Page : 102 pages
File Size : 42,8 Mb
Release : 1979
Category : Air
ISBN : UIUC:30112046524416
Author : Anonim
Publisher : Unknown
Page : 472 pages
File Size : 52,6 Mb
Release : 1983
Category : Forests and forestry
ISBN : UOM:39015018203557
Author : Victoria V Roshchina,Valentina D. Roshchina
Publisher : Springer Science & Business Media
Page : 267 pages
File Size : 42,5 Mb
Release : 2013-06-29
Category : Science
ISBN : 9789401725231
Ozone is a normal constituent of air but this gas becomes dangerous for living organism when its concentration in the troposphere is too high. Most previous studies of this substance examined it merely in its role as an earth screen for the biosphere or an air pollutant. This book will also view its derivatives (active oxygen species) at a molecular and cellular level, as substances that have both positive and negative effects on plant life. Plant cells will be considered as both recipients and sources of ozone, as well as possible biosensors and bioindicators for low and high concentrations of the compound.
Author : Anonim
Publisher : Unknown
Page : 982 pages
File Size : 47,9 Mb
Release : 1984-07-18
Category : Administrative law
ISBN : UIUC:30112059139128