Effect of biogenic hydrocarbon to photochemical pollution in Guangzhou.;
天然源排放碳氢化合物对广州地区光化学污染的影响
The results showed that O_3 concentrations fluctuated periodically,and the photochemical pollution in Ji'nan was serious.
结果表明,济南市区O3浓度以1a为周期呈明显的波动变化特征,城市光化学污染较重;1d当中O3浓度呈明显的单峰型变化,一般在午后达到最高值,而日出时分出现最低值;春季和夏季O3浓度高于秋季和冬季,而夏季和秋季O3浓度的日内变化幅度明显高于春季和冬季;受人们活动规律的影响,周末O3浓度的日内变化规律与平日有所不同。
We have presented here a study on the characteristics of a photochemical pollution episode in Hong Kong during Mar.
对2000年3月28-31日发生在香港地区的一次光化学污染过程进行了分析。
such as polluted air and water.
如受污染的空气和水。
Polluted air hangs over the city.
城市上空被污染的空气所笼罩。
He died from an accident/ a wound/ overwork/ polluted air/ carelessness.
他死于事故/伤/度劳累/污染的空气/粗心。
air pollution; airborne pollution; air pollution
空气污染(大气污染)
Acid rain resulting from air pollution
空气污染造成的酸雨
air pollution technical data (APTD)
空气污染的技术数据
engineering control of air pollution
空气污染的工程控制
legal remedy of air pollution
空气污染的法律制裁
ecay of air pollutants
空气污染物的逐渐减少
The Spatial and Temporal Variation of Air Pollution Characteristics in China Adopting Air Pollution Index (API) Analysis;
利用空气污染指数（API）分析我国空气污染的区域时空变化特征
Industry, it turned out, accounted for only ten percent of the smog in the city.
后来发现，工业污染仅占该市空气污染的10％。
Determination of Formaldehyde in Indoor Air and Analysis of the Contamination Status
室内空气污染物甲醛的检测及污染状况分析
Something that pollutes, especially a waste material that contaminates air, soil, or water.
污染性物质造成污染的物质，尤其指一种污染空气、土壤或水的废物
The air was infected with noisome gases
空气遭到有害气体的污染。
The air is infected with noisome gases.
空气受到了有害气体的污染。
Exhaust gas has been incriminated as one of the causes of air pollution in cities.
废气被视为城市空气污染的原因之一。
Exhaust gas has been incriminated in air pollution in cities.
废气已被视为城市空气污染的原因。
Relationship between air pollution and meteorological elements in Qinhuangdao,Hebei province
秦皇岛市空气污染与气象要素的关系