1) weighted pollution index
加权污染指数
2) pollution index
污染指数
1.
The application of rate change of pollution index in intigrative environmeutal quality assesment for city;
污染指数变化率在城市环境质量综合评价中的应用
2.
The results showed that single pollution index for all analyzed elements were less than 1 no matter what was crop or soil,which means crop and soil were not polluted.
结果表明,作物中各污染物单项污染指数均小于1,作物未受到污染;土壤综合污染指数小于0。
3) contamination index
污染指数
1.
The sequence of integrated contamination index is Cd>Pb>Cu>Ni>Zn>Cr.
通过对土壤和植物中重金属分析,结果表明土壤已受到Cu、Pb、Ni、Zn和Cd的重污染,Cr为安全级,其综合污染指数为Cd>Pb>Cu>Ni>Zn>Cr。
2.
The city ambient air quality is analyzed and evaluated from the following aspects: the contamination type,synthesis contamination index,class number of days,key pollutant number of days,monthly change,changes in heating period and non-heating period,and spatial distribution of pollutants.
从污染类型、综合污染指数、级别天数、首要污染物天数、月变化、采暖期和非采暖期变化、污染物空间分布几个方面对城市环境空气质量进行了分析和评价;并从气象、能源结构等方面对污染成因进行了分析。
3.
The order of integrated contamination index is Cd>Zn>Cu>Pb.
综合污染指数顺序为Cd>Zn>Cu>Pb。
4) Pollution Index method
污染指数法
1.
Based on representative samples,a comparative study was carried out for seven typical comprehensive water quality assessment methods including single factor assessment method,pollution index method,fuzzy method,grey system method,analytic hierarchy process method,artificial neural network method,water quality identification index method.
为探讨综合水质评价结论的科学合理性,对典型的7种河流综合水质评价方法,包括单因子评价法、污染指数法、模糊评价法、灰色系统评价法、层次分析法、人工神经网络法、水质标识指数法,在归类分析其特性的基础上,针对代表性的评价样本,进行了综合水质评价比较研究。
2.
Soil physical properties and heavy metals content of 130 samples was determined according to national standard,finally the degree of soil pollution was evaluated with the pollution index method.
对太原市敦化灌区5个乡镇的农田土壤重金属铜、锌、汞、镍、铅、铬、镉和砷的分布特征进行调查,每个采样点分不同深度取样,共采集样品130个,其中表层土样95个,根据国标对土壤理化性质和重金属含量进行分析测定,最后采用污染指数法对土壤污染程度进行评价,结果表明,敦化灌区土壤属于壤土类,有机质含量1。
3.
According to the second class standard of the national soil environment quality,pollution severity of heavy metals in the soil was evaluated by monomial pollution index method and Nemerow synthetic pollution index method.
依据国家土壤环境质量二级标准,用单项污染指数法和内梅罗综合污染指数法评价土壤重金属的污染程度。
5) lead pollution index
铅污染指数
6) pollutant index
污染物指数
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参考词条