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- Rural sewage was an important part of non - point source pollution in China. 摘要农村污水已经是我国非点源污染的重要组成部分。
- To calculate average perennial load of non point source pollution, a direct measurement method is developed. 本文提出一种适合中国国情的计算非点源污染永久荷载的直接方法。
- Keywords ： Water pollution control; Natural purification system; Secondary biological treatment system; Point source pollution; Non - point source pollution. 关键词：水污染防治；天然处理系统；二级生物处理系统；点源污染；面源污染
- The azote in the non-point source pollution debased the w... 最后探讨了解决巢湖富营养化的控制措施。
- City non - point source pollution 城市非点源
- agricultural non -point source pollution 农业面源污染
- non - point source pollution in countryside 农村面源污染
- Non -point sources pollution(NPS),mainly agricultural runoff of nutr ients and sediment,is a major impedi ment to further water quality improvement i n many regions of China. 应用概率约束的方法,在非点源治理规划中将预期的治理效果在一定的置信水平下描述。
- agricultural non - point source pollution 农业非点源污染
- So the agricultural non-point source pollution has been considered as the main pollution source of eutrophication. 因此农业面源污染已被视为水体富营养化的主要污染源。
- Soil erosion and non-point source pollution are two serious environmental issues. 土壤侵蚀与非点源污染是两大重要的环境问题。
- Agricultural non-point source pollution is driven by dynamical factors, water character and landform characteristics. 农业面源污染发生的条件主要有动力因素、水文条件、地形特点。
- Nutrient export coefficient of land use is an important parameter for constructing model of non-point source pollution. 各种土地利用类型营养盐输出系数是建立非点源污染模型的重要参数。
- The result indicated that eutrophication would not be induced in Baiguishan Reservoir without point source pollution. 结果表明,流域内如果没有点源污染,水库不会发生富营养化。
- The nonpoint source pollution of surface water environment is receiving more and more attention from all societies. 地表水环境的非点源污染已越来越受到人们的重视。
- According to the investigation, the main causes of agricultural nonpoint source pollution have been analysed. 土壤侵蚀引起的农业非点源污染是造成水体污染的主要污染源。
- Nonpoint source pollution comes primarily from runoff from cropland, urban areas, andconstruction and mining sites. 非点污让则主要来自于农地、城区的倾倒，建设用地和采矿用地的排污。
- The main causes of non-point source pollution are agrochemicals and waste from livestock and poultry and aquiculture. 农用化学物质和畜禽养殖、水产养殖产生的各类废弃物是造成农业非点源污染的主要原因。
- This non sequitur invalidates his argument. 他不根据前提推理因而论证无效。
- The news comes from a reliable source. 这消息来自可靠的来源。
