The impact of non - point source pollution to water environment in nenjiang river upstream basin 非点源污染对嫩江上游流域水环境的影响
Agricultural non - point source pollution has become a majority of water contamination 农业面源污染因其对水体污染的普遍性而日益受到重视。
In american , agricultural non - point source pollution is the main factor to environmental pollution 在美国,面源污染已经成为环境污染的第一因素。
Changing tendency and control measures of regional agricultural non - point source pollution 人为控制因素的作用更显著;而且随机性因素引起的空间变异主要表现在
Now soil erosion and non - point source pollution are becoming the attentive topic among the people 其中,土壤侵蚀和非点源污染问题正成为目前人们关注的话题。
Non - point source pollution has some characteristics , such that its harm is heavy and it is difficult to prevent 和点源污染相比,面源污染危害规模大、防治困难。
Relationship and simulation information system of land use cover change and non - point source pollution in yangtze river basin 南京某地农业土壤中有机污染分布状况研究
While non - point source pollution has no certain outfall , it has some relation with some weather conditions 而面源污染则不同,它没有固定的排放点,主要与一些气象条件相联系。
We will take comprehensive measures to control rural pollution from non - point sources and pollution from livestock and poultry farming 抓好大气污染防治和重点城市污水处理、生活垃圾无害化处理。
The industry , residential point source along the river and phosphorus mine non - point source are of great water pollution load 确定库湾周边的工业、生活污染点源,磷矿面源是构成水污染的主要负荷。