The paper introduces the source of cupola pollutants and the harm caused, the prevention and control of cupola pollution, as well as recycling of cupola pollution emission .
文章介绍了冲天炉污染物的来源及其造成的危害，冲天炉污染的预防和治理，冲天炉污染排放物的回收利用。
The source and quality of the waste water in dimethylaminobenzoic acid production are analysed, and the countermeasures are proposed for pollution prevention and control.
对间二甲胺基苯甲酸生产中废水来源及废水水质进行了分析，并提出了废水污染防治措施。
Finally, on the basis of investigation, the prevention and control of pollution for the secondary area of water source were studied and discussed.
最后，在调研基础上对二级保护区的污染防治工程规划工作进行研究和探讨。
To protect the drinking water sources, water pollution prevention and control technologies will be applied in building of venues located close to the water source conversation area.
保护饮用水源，靠近水源保护区的场馆采用严格的水污染防治技术。
The prevention and control of agricultural non-point source pollution, as well as the protection of drinking water sources area, are also the currently hot spots of research at home and abroad.
防治农业面源污染，保护饮用水水源地水质安全也是当前国内外研究的热点。
The prevention and control of agricultural non-point source pollution, as well as the protection of drinking water sources area, are also the currently hot spots of research at home and abroad.
防治农业面源污染，保护饮用水水源地水质安全也是当前国内外研究的热点。
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