1)average pollution index均值污染指数
1.Based on the shortcoming of the method of average pollution index assessment,this paper put forward the method of active pollution index to assess the environment of polluted river water.针对水环境质量的均值污染指数评价方法的缺点,提出了利用活性污染指数法来评价微污染水体环境。
英文短句/例句
1.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
2.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
3.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
4.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
5.Improving Confidence Set of Mean Value for Exponential Distribution;指数分布族均值参数置信估计的改进
6.Numerical Simulation of Contaminant Transport of a Certain Tailing Dam;某尾矿坝污染物迁移的数值模拟研究
7.Study on the Numberical Simulation of Grounudwater Pollution Based on IDL;基于IDL的地下水污染数值模拟研究
8.Numerical Simulation of Indoor Air Environment with Heat and Pollutant Sources;热污染源对室内环境影响的数值模拟
9.Numerical study of low emissions for twin annular premixing swirler combustor双环预混旋流低污染燃烧室数值研究
10.Numerical Simulation of Three-dimension Flow and Pollutant Transportation of Tidal River Based on COHERENS Model基于COHERENS模型的污染物质输运数值模拟
11.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
12.There were no statistical significance( P >0.05) when comparing the pathological changes in patients with SND and AVB.Average histopathological contractility failure index(HCFI) was (2.2±1.2).组织病理学衰竭指数平均值 (2 .2± 1.2 )。
13.Estimation of Several Samples Exponential Distributions under Simple Tree Order;树半序约束下多指数总体均值的估计
14.Research on the Application of the Mean-variance Model with the Single-index Model均值-方差模型与单指数模型的应用
15.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
16.Key Pollution Indicator of Dian Lake in 2001 Unit: mg/l2001年度滇池湖体主要污染指标值 单位:毫克/升
17.Daily average concentration of various pollutants also has a close correlation with ground wind velocity.各种污染物日平均浓度值与地面风速相关也非常好。
18.weighted mean value加权平均值，计数平均值
相关短句/例句
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)Mean value of index指数均值
5)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。
6)lead pollution index铅污染指数
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。
