Water pollution index

Methods and Analyses of Water Pollution Index Assessment

水污染指数评价方法与应用分析

Concept of environmental pollution equivalent and formation of the water pollution index in inland water bodies

环境污染当量概念与陆地水域水污染指数的构造

Its main role is to reduce the raw water pollution index , and residual chlorine and other impurities , to reverse osmosis water requirements .

其主要作用是降低原水的污染指数和余氯等其他杂质，达到反渗透的进水要求。

Study on Biological Stability of Drinking Water and Pollution Index in Distribution System

饮用水生物稳定性和管网水质污染指数的研究

Major factors are water quality pollution index , benthic diversity index , algae diversity , GDP , grain output , aquatic production , greening rate and tourism revenue .

主要驱动因子为：水质综合污染指数、底栖动物多样性指数、藻类多样性指数、GDP、粮食总产量、水产品产量、绿化覆盖率、旅游收入。

On the basis of analysis of the environmental hydrogeological characteristics in Changqing mine field , the water environmental pollution comprehensive index method has been adopted for the evaluation of shallow ground water .

在分析井田环境水文地质特征的基础上，利用浅层地下水的分析测试资料，依据水环境污染综合评价指数方法对浅层地下水环境质量的现状进行了评价。

For underground water , monitoring results indicated that water 's comprehensive pollution index was less 1 , so the underground water environmental was good .

对地下灌溉水测井的监测结果表明，有个别地下灌溉井单项指标超标，但所测井的综合污染指数均远远小于1，对地下水环境未造成不利影响。

It summarizes shortages of present water quality evaluate methods , and puts forward water pollution index evaluate methods , then explains detailedly its definition , calculate methods .

在总结分析现有水质评价方法的基础上，提出了水污染指数评价法，并对其定义、计算方法进行了详细介绍。

During the construction of sewage interception , the related river water quality was monitored , which revealed that increasing wastewater-collection ratio could improve water quality distinctly , with water pollution composite index decreased 18 % ~ 53 % .

在污水截流工程建设过程中，同步检测河网水质，表明污水截流率的提高可明显改善河网水质，水污染综合指数可降低18%～53%。

So the index of Taihu Lake water chemistry and aquatic community structure were investigated according to a quarterly from November 2007 to August 2008.We evaluate the actual condition of water quality and the main pollutions of Taihu Lake by ways of water pollution index and comprehensive analysis of eutrophication .

2007年11月到2008年8月，我们按季度对太湖的水化学指标及水生生物群落结构进行了调查分析。