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综合污染的英文

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"综合污染"怎么读用"综合污染"造句

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  • combined pollution

例句与用法

  • The combined contamination control of high accuracy and response hgc and its industrial practice
    高精度高响应液压压下系统的综合污染控制及其工业实践
  • 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。
  • Soil pollution index and olsen - p content were more closely related to species diversity in polluted soil , while ph and olsen - p content were more closely related to spore den sity
    重金属污染土壤中,综合污染指数和速效磷含量是影响种的丰度的主要因素,土壤ph值与重金属综合污染指数是影响孢子密度的主要因素。
  • Collecting a large number of atmosphere , soil and irrigation water , using the method of monomial and composite pollution exponent , the general situation of grain early warning is studied and a grain early warning system is built
    本文从粮食生产过程中的大气、土壤及农田灌溉水出发,运用单项污染指数与综合污染指数相结合的评价方法进行粮食生产的预警研究,构建了粮食本底安全预警系统。
  • 4 . spore density of amf in the heavy metal contaminated soil was affected mainly by the general pollution index and soil ph according to the results of sepwise analysis with soil ph , organic matter , olsen p and general pollution index
    4 、对土壤ph值、有机质、重金属综合污染指数及土壤有效p与amf抱子密度进行多元回归分析,结果表明重金属综合污染指数和土壤ph值是影响amf袍子密度的重要因素。
  • Athough it was relatively high in moderate and medial contaminated soil , amf spore density decrease sharply with the increase of pollution degree . but there still have some spores in serious contaminated soil when the pollution index reached 28 . 3
    轻度、中度污染土壤中,每克土壤中的amf饱子可多达49个,随重金属污染程度的增加, amf的抱子密度锐减,但不会完全消失,在综合污染指数达到28 . 3的严重污染(甩10 )土壤中仍有amf的饱子存在。
  • To scientifically evaluate the quality of water environmental of xishan district , this text proposes revising the original evaluation system , makes certain improvement in original evaluation system , such as settlement of factor , synthesizing pollution index computing method , water pollution degree judge method , etc
    摘要为全面、科学地评价锡山区水环境质量状况,提出对原有评价体系作出修改,即对原评价体系中,评价因子的没定、综合污染指数计算法、水污染程度的判定方法等作了一定改进。
  • In this paper , river water quality prediction is integrated with water pollution control measures . two parameters , water environmental capacity and pollution index are selected for pollution control measures . the objective is achieved after the development of simulation model using one - dimensional advection dispersion equation . the model algorithm and computer program is an improvement over the existing water quality models , since the model solution involves four point implicit upwind schemes for water quality prediction and pollution control measures at each grid point . model simulation results the assessment of water environmental capacity that yield the acceptable and realistic pollutants concentration in order to maintain water quality objectives . the pollution and overall pollution index of the river is suggested for integrating number of contaminants variables into one index . study provides the mathematical and scientific procedure for water quality management . the new approach is helpful for the water pollution control and to study the impacts of waste effluents on the river system for strategic planning purposes
    本文将水质预测及水污染控制措施有机地结合,选取水环境容量和污染指数作为水污染控制的参数.这样,一维对流-扩散水质方程的求解除就是实现本研究目的的关键.本研究采用的模型在现有的水质模型基础上有所改进,因为其采用四点隐格式对水质进行预测,推求可接纳污染物的环境容量值及为保证水质而限定的污染物浓度值,从而制定相应的水污染控制措施.为整体考虑各种污染物的情况,建议采用河流的污染指数进而推求综合污染指数.总之,本研究为水质保护提供了科学的计算方法,该法对水污染控制及污水对河道水质的影响是实用有效的
  • Abstract : in this paper , river water quality prediction is integrated with water pollution control measures . two parameters , water environmental capacity and pollution index are selected for pollution control measures . the objective is achieved after the development of simulation model using one - dimensional advection dispersion equation . the model algorithm and computer program is an improvement over the existing water quality models , since the model solution involves four point implicit upwind schemes for water quality prediction and pollution control measures at each grid point . model simulation results the assessment of water environmental capacity that yield the acceptable and realistic pollutants concentration in order to maintain water quality objectives . the pollution and overall pollution index of the river is suggested for integrating number of contaminants variables into one index . study provides the mathematical and scientific procedure for water quality management . the new approach is helpful for the water pollution control and to study the impacts of waste effluents on the river system for strategic planning purposes
    文摘:本文将水质预测及水污染控制措施有机地结合,选取水环境容量和污染指数作为水污染控制的参数.这样,一维对流-扩散水质方程的求解除就是实现本研究目的的关键.本研究采用的模型在现有的水质模型基础上有所改进,因为其采用四点隐格式对水质进行预测,推求可接纳污染物的环境容量值及为保证水质而限定的污染物浓度值,从而制定相应的水污染控制措施.为整体考虑各种污染物的情况,建议采用河流的污染指数进而推求综合污染指数.总之,本研究为水质保护提供了科学的计算方法,该法对水污染控制及污水对河道水质的影响是实用有效的
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