《清洁空气法》授权美国环保局监管有害污染物，如微粒物质和臭氧。
The Clean Air Act mandates the EPA to regulate harmful pollutants such as particulate matter and ozone.
这些燃烧过程同样释放化学物质如甲烷、氮氧化合物、挥发性的有机化合物和一氧化碳在光照下反应形成臭氧。
These same processes also release chemicals that combine in sunlight to form ozone: methane, nitrogen oxides, volatile organic compounds, and carbon monoxide.
如 臭氧层变薄，其根源化学品被禁止。
When the ozone layer was thinning, chemicals causing it were banned.
某些制冷剂，如含氯氟烃已被相关规列列为非法，因为这些制冷剂含有破坏臭氧层的物质。
Regulations are outlawing certain refrigerants, such as chlorofluorocarbons, which contain ozone-depleting chemicals.
传统的消毒技术如采用氯化物或臭氧，其消毒剂本身就是属于剧毒、易燃、易爆的物质。
Traditional disinfection technologies such as the use of chloride or ozone, the disinfectant itself are highly toxic, flammable and explosive substances.
这些电子产生了电效应，如极光，或北极光，造成无线电传送的中断，在大气层的上方出现臭氧量的激增。
These electrons create electrical effects, such as the aurora borealis, or northern lights, cause the disruption of radio transmissions, and increase the amount of ozone in the upper atmosphere.
这些污染物常常与其他有害物质，如铅、锌和地面臭氧一起出现。地面臭氧是汽车排气与太阳光一起发生光化学反应形成的一种烟雾成分。
The pollutants often occur with high levels of other toxins such as lead, zinc, and ground-level ozone, a component of smog formed by chemical reactions between car exhausts and sunlight.
其中一些成分，如，水汽，二氧化碳和臭氧的含量是随时间和地点的不同而改变。
Other constituents such as water vapor, carbon dioxide, and ozone vary in quantity from place to place and form time to time.
试验结果表明；臭氧化能改变活性炭的吸附性能，如孔隙及表面结构，并能使炭部分再生。
The results represented that ozonation could cause the change of adsorption property, such as pore and surface structure, and could partly regenerate carbon.
该研究首次估量了长期以来臭氧所引起的死亡危害，更加有力地说明了有必要制定更为严格的规章制度来限制产生臭氧的排放物，如：那些来自发电厂和汽车的排放物。
The study, the first to gauge long-term ozone mortality risks, could strengthen the case for stricter regulations of ozone-producing emissions, such as those coming from power plants and vehicles.
我们知道我们的星球，正面临着非常严重的环境问题，如全球变暖、臭氧层破坏、酸雨、资源短缺等。
It is known to us all that our planet is facing very serious environmental issues, such as global warming, ozone layer destruction, acid rain, shortage of resources and so forth.
我们知道我们的星球，正面临着非常严重的环境问题，如全球变暖、臭氧层破坏、酸雨、资源短缺等。
It is known to us all that our planet is facing very serious environmental issues, such as global warming, ozone layer destruction, acid rain, shortage of resources and so forth.
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