Comprehensive pollution index

Application Of Average Comprehensive Pollution Index In bo Water Pollution Classification

平均综合污染指数在地面水污染分级中的应用

The comprehensive pollution index was 1.74 .

土壤综合污染指数为1.74，属轻污染；

On API Index and Comprehensive Pollution Index

论API指数和综合污染指数

API index and comprehensive pollution index are methods to report and assess city 's air quality .

API指数法和综合污染指数法均是反映和评价城市环境空气质量状况的方法，它们既有联系，又有区别。

The order of comprehensive pollution index is Zn > Cr > Cd > Cu > Pb .

综合污染指数顺序为：Zn>Cr>Cd>Cu>Pb。

The monitoring data collected from the water body of ShiMen reservoir were analyzed with the method of comprehensive pollution index .

利用综合污染指数法对石门水库多年监测结果进行分析，基本掌握了石门水库水质的污染状况及变化趋势。

The cluster analysis and the comprehensive pollution Index given the similar results in some way , which should be combined to assessment .

聚类分析与污染指数评价具有一致性、可比性，结合两种方法进行分析评价更加合理、科学。

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。

Water quality in Huainan part of Huaihe river is evaluated by comprehensive pollution index method according to dissolved oxygen etc indexes .

采用综合污染指数法，选择了对淮河淮南段水质影响较大的溶解氧、高锰酸盐指数、生物需氧量等指标评价了淮河水质。

The comprehensive pollution index change from 0.37-1.74 and average index is 0.73 which belongs two grade soil level ( clean yet ) . 3 .

综合污染指数变化区间为0.37～1.74，总体平均为0.73，属于2级土壤（尚清洁）。

The result shows that the comprehensive pollution index of the surface and underground irrigation water is less than 1 , but there is a trend of rising .

结果表明：地表灌溉水、地下灌溉水水质综合污染指数均小于1，但有升高的趋势；

There are many comprehensive pollution index methods . The often-used four evaluation methods are compared and finally the method of parameter scoring index methed is chosen .

由于综合污染指数方法较多，为此，对常用的四种评价方法进行了比较，最终选取了参数分级评分叠加指数法。

Evaluation with the single-item pollution index method and the comprehensive pollution index method , the indexes were far less than 1.It is known that the ecological environment was very suitable for green grape production .

用单项污染指数法和综合污染指数法评价，其值均远小于l，说明该地区生态环境良好，符合绿色食品产地环境质量标准的要求。

In view of the assessment of environmental quality for pollution-free agricultural product , it was analyzed and assessed that the water , soil , and air environmental quality of vegetable production base in Quzhou County , with the comprehensive pollution index method .

针对无公害生产环境质量的综合评价，采用污染指数法对曲周县蔬菜产地的水、土和大气环境质量进行了分析和综合评价。

There are certain soil heavy metal accumulation in industrial , residential , commercial areas and public green land area . Soil heavy metal values in these areas are more than the soil background value and the Comprehensive Pollution Index reached mild pollution levels .

工业区，居民区，商业区和公共绿化区的土壤重金属都有一定的积累，基本都超过土壤背景值，综合污染指数基本都达到轻度（以上）污染水平。

The analyzed results of comprehensive pollution index showed that pesticides residues in the soils at nearly 66 % of sampling points had reached low-grade pollution level . DDT was the main components of the pesticides residues in the soils studied .

综合污染指数分析结果表明，近66%的取样点土壤处于轻污染状态，污染的主要贡献因子是滴滴涕。

The single-factor pollution index and the comprehensive pollution index were adopted to investigate the heavy metals ( Hg 、 Cr 、 Cd 、 Pb 、 As 、 Cu 、 Zn ) pollution of 3 different irrigated soils and quality of vegetables growing in them in Zhengzhou suburb .

以单因子污染指数和综合污染指数为评价方法，对郑州市郊区3种不同灌溉方式农田土壤进行重金属（Hg、Cr、Cd、Pb、As、Cu、Zn）污染监测和蔬菜质量调查。

A new quantitative assessment method for coal environmental pollution property is defined by using the pollutants output per thermal unit and the comprehensive air pollution index .

对煤炭环境特性的单因子绩效评价法和综合污染特性指数法进行了分析和定义。

The comprehensive pollution harm index of the water quality can be calculated with the aid of the general weighted contrast for the pollution harm partial indices .

提出用对比加权对污染损害分指数进行赋权的新方法，计算水质综合污染损害指数。

The results showed that with the main air pollution in China being coal dust , the comprehensive air pollution index of Shenyang was the highest , Dalian the lowest and Zhengzhou in the middle .

结果显示我国大气污染属煤烟型，污染的综合指数以沈阳最高，郑州次之，大连最低。