Examples of air toxics include benzene, which is found in gasoline; perchloroethylene, which is emitted from some dry cleaning facilities; and methylene chloride, which is used as a solvent and paint stripper by a number of industries. Other examples of air toxics include dioxin, asbestos, and...
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
Criteria air pollutants is a term internationally used to describe air pollutants that have been regulated and are commonly used as indicators of air quality. Special attention is paid to carbon monoxide, lead, nitrogen dioxide, ozone, particles and aerosols and sulphur dioxide.The different ...
1 英语翻译 Text:Type and Sources of Air Pollutants What 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 pol...
Epidemiological studies comparing Eastern and Western European populations have shown a striking difference in the prevalence of respiratory atopic diseases, which is lower in the East. At the same time, different patterns of air pollution have been described, namely ‘classical’ type I, characterized...
Air pollution has become a serious global problem. One of the main pollutants is particulate matter, which ___ harmful substances. A. contains B. concludes C. confuses D. consumes 相关知识点: 试题来源: 解析 A。解析:本题考查动词辨析。A选项contains表示包含,颗粒物包含有害物质,这是描述空气污染...
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 universality of the pollution particles identified in this study," Sun said. He also expressed optimism about future improvements in instruments, envisioning real-time online monitoring of indoor OA molecular composition and volatile organic compounds for enhanced insights into air quality dynamics.■...
We have reduced ___ of air pollutants in recent years, but cars are still a major source of them. 2. Factories have become cleaner as stricter ___ pollution law have been introduced. 3. The company runs its operations with long-term ___ in mind. 4. They will build another ___ pow...
For years scientists have been concerned about the effects of air pollution on the earth's natural conditions. Some believe the air inside many houses may be more dangerous than the air outside. It may be one hundred times worse.Indoor air pollution can