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- Keywords contour hedgerow;non point pollution;semiarid region; 等高植物篱;面源污染;半干旱区;
- Along future controling the point pollution source, the non-point pollution source has become the most important source that polluted water-environment. 随着对点源污染的进一步控制,非点源污染已经成为水环境的重要污染源,甚至是首要污染源。
- Research Progress and Prospect of Agricultural Non - point Pollution Source Model 农业非点源污染模型研究进展及发展方向
- 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。
- With the control of the urban point pollution in recent years in drainage area of Dianchi region,the agricult ural non -point pollution loom large. 为了研究和控制农田面源污染,掌握其污染释放规律,选择紧靠滇池的大渔乡大棚种植区作为研究样本,在2001年进行了旱季和雨季的连续监测。
- Hohhot city in the north-west, a mismanagement garbage this point is becoming an important urban pollution sources. 在呼和浩特市西北部,一个管理不善的垃圾点正成为这个城市的一个重要污染源头。
- Keywords water pollueton contrpl;vation madel;point pollution source;influeuce coefficient; 水污染控制;定量模型;点污染源;影响系数;
- The pollution sources are nonpoint sources and industrial point sources in the basin. 沱江流域水环境潜在问题有陆生生态恶化和水资源贫乏两大难题。
- The main pollution sources include: slag, sewage water, smoke, and tail gas. 主要污染物有矿渣,污水,烟气、尾气等。
- The water pollution sources in Fushun city were investigated in 2002. 于2002年对抚顺市辖区内水污染源进行了调查。
- Agricultural non - point pollution 农业面源污染
- The method integrates GIS, RS with pollutant loading receptor response model for reservoir water, agricultural non point source pollution simulation model and linear programming model. 该方法运用遥感数据,并以地理信息系统软件为平台集成了水库营养盐负荷浓度响应关系模型、农业非点源污染模拟模型和线性规划模型。
- point pollution source 点污染源
- The most pollution sources in Hubei province alu minium electrolysis enterprises are the electrobaths in their electrolysis works hops. 湖北铝电解企业的主要污染源是电解车间的电解槽。
- Fluoride accumulation and distribution in mulberry insects near fluoride pollution sources. 大气氟污染源附近食桑昆虫中氟的积累和分布。
- Methods: by means of electrical acupuncture on Yungch uan, Kunlun points and non points, the effect of different points on bone density of de ovaried rats was oberved. 方法:采用去卵巢大鼠模型,应用电针肾经涌泉穴、膀胱经昆仑穴和非经非穴等方法,观察不同穴位对去卵巢大鼠骨密度的影响。
- As mentioned in the Introduction, the major pollution sources at this time were threefold. 本报告引言已提到,八十年代本港河溪有三大污染源。
- China is the biggest pollution source on earth, how to stop it? 中国是地球上最大的污染源,我们该如何终止它?
- The improved analytic hierarchy process method for assessment of regional industrial pollution sources. 改进层次分析法评价区域工业污染源。
- Chemicals residua in this waste water is a pollution source. 制革废水中的污染物源于材料的残余。