While overall emissions of air toxics have declined significantly since 1990, substantial quantities of toxic pollutants continue to be released into the air. Elevated risks can occur in urban areas, near industrial facilities, and in areas with high transportation emissions. 虽然自 1990 年以来,空气...
1英语翻译Text:Type and Sources of Air PollutantsWhat Is Air Pollution?Air pollution is normally defined an air that contains one or more chemicals in high enough concentrations to harm humans,other animals,vegentation or materials.There are two major types of air pollutants.A primary air pollutant...
PM2.5 is one of the major pollutants of the air pollution in Beijing and it gives the greatest risk to humanhealth. Since January Beijingers 1.(warn) to stay indoors as much as 2.(possibility) to avoidoutdoor air pollution 3.has reached dangerous levels.Particulate readings(颗粒指数)...
英语翻译Text:Type and Sources of Air PollutantsWhat Is Air Pollution?Air pollution is normally defined an air that contains one or more chemicals in high enough concentrations to harm humans,other animals,vegentation or materials.There are two ma
The impact of air pollution and pollutants on the progression of dementiadoi:10.1002/alz.083034Li, Chien‐HsunTsao, Yu‐HsiangHo, Pei‐ShanAlzheimer's & Dementia: The Journal of the Alzheimer's Association
The air pollution characteristics in Chengdu showed simultaneously high PM concentrations and O3. High PM concentrations were mainly observed in the middle region of Chengdu and may have been due to the joint effects of industrial and vehicle emissions. Ozone pollution was mainly due to vehicle ...
The aim of the paper is to present the air quality, sources of pollution, as well as the process of its pollution in urban regions such as cities. Focus is aimed on the air quality of the city of Novi Sad located in Vojvodina with most important air pollutants such as SO2 and NO2,...
of pedestrians seriously. According to the 2002 study by University of Hong Kong research team's display, each year the air pollution related respiratory illnesses and heart disease caused economic losses of about HK $ 1.7 billion, every year due to air pollut 并且空气污染在香港严重影响步行者健康...
》阅读理解空气污染致癌Pollutants in the air we breathe have been classed as a leading environmental cause of cancer by theWorld Health Organisation.It said the evidence was clear - they cause lung cancer. Sources of pollution includecar exhausts, power stations, emissions from agriculture and industr...
Air pollution can have a significant impact on weather. High levels of pollutants like particulate matter can ___. A. cause more sunny days B. lead to more foggy days and even affect precipitation C. make the sky bluer D. reduce the wind speed directly 相关知识点: 试题来源...