光化学烟雾是大气污染的一种，它不仅危害人们的健康，而且严重威胁着生态系统的平衡。
The photochemical fog is one kind of the atmosphere pollution. It endangers not only people's health but also the balance of the ecosystem.
城市的光化学烟雾引起的大气污染越来越引起人们的关注。
There are increasing concerns on the air pollution caused by photochemical smog in cities.
某些空气污染物在光化学反应中变得活性更强，形成有毒的化合物。
Certain air pollutants become more reactive and form noxious compounds in photochemical reactions.
作为空气污染的主要来源之一，易挥发有机物(VOCS)不仅是一次污染源而且还可能造成光化学烟雾等二次污染。
Volatile Organic Compounds (VOCS), as one of the major sources of air contaminations, can not only cause direct pollution, but also lead to secondary pollution, such as photochemistry smog.
模式除考虑污染物在大气中的输送、弥散过程外，还加入了光化学反应过程。
Except for considering the processes of transfer and diffusion of air pollution matter, the model covers the photochemical reaction effects as well.
以兰州西固地区为研究对象，建立了描述该地区光化学烟雾污染的大气质量模拟模式——柱子模式。
An air quality simulation model-column model for describing photochemical smog pollution at Xigu district in Lanzhou has been developed.
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.
某些空气污染物在光化学反应中变得活性更强，形成有毒的化合物。
Certain air pollutants (see smog) become more reactive and form noxious compounds in photochemical reactions.
简介了有毒有机污染废水的各种化学法处理技术的特点及研究进展概况，其中对光化学氧化法作了较详细的评述。
The research advancement and characteristics of various chemical technologies of treating toxic organic pollutants are summarized. The photochemical oxidative method is detailedly discussed.
此研究结果有助于我们更好的了解土壤中有机污染物的光化学转化过程，并为今后利用光化学技术对有机污染土壤进行修复提供科学依据。
The results help us understand the photochemical reaction of organic pollutants in soil and provide us academic foundation for photochemical remediation of contaminated soil.
农药的光化学降解是海水中农药残留污染物去除的重要途径，其降解过程和降解产物对海水环境的影响很大。
The processes of photodegradation of pesticides play a key role in the transformation of pesticides in the marine environment.
介绍了干法清除纳米污染物的几种新方法，如超临界流体清除法、高速气凝胶清除法、激光清除法、气相化学清除法和光化学清除法。
Some new kinds of dry cleaning methods such as supercritical fluid cleaning, high pressure gas and gel cleaning, laser cleaning, gas-chemically and Photo-chemically enhanced cleaning are described.
介绍了干法清除纳米污染物的几种新方法，如超临界流体清除法、高速气凝胶清除法、激光清除法、气相化学清除法和光化学清除法。
Some new kinds of dry cleaning methods such as supercritical fluid cleaning, high pressure gas and gel cleaning, laser cleaning, gas-chemically and Photo-chemically enhanced cleaning are described.
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