1)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。
英文短句/例句
1.Application of water quality evaluation with pollution index method and fuzzy mathematics method;污染指数法和模糊数学法在水质评价中的运用
2.The Comparison of Light Polluted Water Quality Assessment by Using the Average Pollution Index and the Active Pollution Index在评价微污染水体中均值污染指数评价方法和活性污染指数评价方法的比较
3.Environmental Pollution and Industrial Structure:An Analysis Based on Divisia Index Decompostion Method环境污染与工业结构:基于Divisia指数分解法的研究
4.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。
5.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
6.Water Quality Assessment and Analysis of Shenzhen Reservoir Based on Pollution Harm Index Method基于污染损害指数法的深圳水库水质评价与分析
7.The Research on SDI s Measurement Apparatus Based on MCU;智能型SDI污染密度指数测试仪的研究
8.A comparison of the mainland Chinese and international Air Pollution Index system我国与国际空气污染指数系统的比较
9.guidelines on the development of environmental pollution control legislation制定防治环境污染法规的指导方针
10.The Spatial and Temporal Variation of Air Pollution Characteristics in China Adopting Air Pollution Index (API) Analysis;利用空气污染指数（API）分析我国空气污染的区域时空变化特征
11.Study on the assessment methods of pollution load for products based on the coefficients of pollutant generation and discharge基于产排污系数的产品污染负荷评价方法研究
12.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
13.Characterization of Water Quality and Development of Ancillary Techniques for Organic Pollutants Analyses;水质有机污染多参数指标与联合检测技术研究
14.Main Water Pollutant of General Regional Survey Screened by a Fitting Comprehensive Index拟合综合指数筛选普查区域的主要废水污染物
15.The joint toxicity of heavy mental ions lead, zinc and cadmium to Hydra sp. was evaluated using the additive index method.以水螅为实验生物，采用相加指数法，研究了铅、镉和锌3种重金属离子复合污染物的联合毒性。
16.Study on Air Pollution Index Forecasting in Xiamen City--Comparison Between Time Series Analysis and Neural Network;厦门市空气污染指数预测方法研究——时间序列分析与神经网络的比较(英文)
17.Development of rapid monitoring methods for organic pollution indicators of water bodies水体中有机污染综合指标的快速监测方法进展
18.(2) "Pollutant" means a substance that is capable of causing water pollution. (二)“污染物”是指能导致水污染的物质。
相关短句/例句
synthetic pollution index method综合污染指数法
3)single contamination index method单项污染指数法
1.With the single contamination index method and the comprehensive contamination index method the heavy metal pollution of three mine tailings were assessed.取样测定了云南兰坪铅锌矿、开远煤矿、个旧锡矿废弃地土壤的营养元素(N、P、K、有机质)和重金属元素(Pb、Zn、Cu、Ni)的含量,并采用单项污染指数法和综合污染指数法评估了废弃地重金属污染状况。
4)Pollution Load Index (PLI)污染负荷指数法
1.This paper studies the geochemical characteristics and spatial distribution of 8 heavy metals in Jinsha river sediments, and assesses the pollution degree by Pollution Load Index (PLI) .本文对攀枝花地区金沙江水系沉积物中8个重金属元素的地球化学特征、空间分布特征进行了研究,并应用污染负荷指数法对各重金属的污染程度进行了评价。
5)Pollution indicators discrimination method污染指数判别法
6)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。
延伸阅读
迁移效率指数、偏好指数和差别指数迁移效率指数、偏好指数和差别指数 迁移效率指数、偏好指数和差别指数迁移效率指数是用于测定两地间人口迁移效率的指标。它是净迁移对总迁移之比。计算公式为:EIM一摇寿纂拼又‘。。上式中，}人么夕一材方}为i、]两地净迁移人数;从少+材户为i、]两地总迁移人数;El入了为迁移效率指数。 EIM的取值范围为。至100，如某一地区的值越大，反映迁移的的影响也越大。如果计算i地区与其他一切地区之间的人口迁移效率指数EIM厂，则: }艺材。一芝Mj、}EIM汀艺。+乏M，(j笋i) 迁移偏好指数是从一个地区向另一地区的实际迁移人数与期望迁移人数之比。计算公式为:____M.___材尸2行一:一二子一一不石一二，么M“ 了厂‘.厂‘、八 }二不十二六二1 、厂厂7上式中，M“为从i地迁到j地的实际迁移量;艺材。为总的人口迁移量;尸为总人口;M尸I，j为迁移偏好指数。通过计算迁移偏好指数，可以反映各地区的相对引力。 迁移差别指数是反映具有某种特征的迁移人口与非迁移人口区别的指数。例如，专业技术人员的人数所占比重，各种文化程度人数所占比重等，以便研究人才流失和其他间题。计算公式为:M‘从IMD、一翌不丝xl。。 .义V‘ N上式中，M为迁移人数;M，为具有i特征的迁移人数;N为非迁移人数;N‘为具有i特征的非迁移人数;了八了D、为迁移差别指数。
