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- 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。
- agricultural non - point source pollution 农业非点源污染
- 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。
- agricultural non - point source 农业非点源污染
- Keywords types of land use;surface water run off;the Lake Chaohu Basin;non point source pollution; 土地利用类型;地表径流;巢湖流域;非点源污染;
- non point source 面源
- non point source pollution 非点源污染
- 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。
- A diffuse, pear-shaped image of a point source. 基于一点呈散开的、梨状的一种表现形式
- Consider first a light wave spreading out from a point source. 首先考虑一个点光源发出的光波。
- agricultural non -point source pollution 农业面源污染
- 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
- Agricultural non - point pollution 农业面源污染
- Riparian buffer is an effective tool in attenuating agricultural non -p oint pollutants such as sediments,N,P,and pes-ticides and herbicides that are carr ied by surface and /or groundwater fl ows. 农业流域河岸缓冲区是过滤净化地表、地下径流中沉积物、氮、磷和农药等农业非点源污染的一种有效系统。
- Functions of fixate point source and model of highway-surface were provided. 给出集中力点源函数,假定了路面模型。
- The specific discharge is infinite at the vicinity of every point source or sink. 在每个点源或点汇附近比流量为无穷大。
- 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。
- 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
- A space in air,water,or soil containing pollutants released from a point source. 含污染质的空气空气、水或土壤中含有从一个点状源释放出的污染物的空间。
- 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。
