• 污染物源于很多人类活动

    Water Pollution Water pollutants result from many human activities.

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  • 提高重点流域水污染物国家排放标准

    National standards would have stricter limits for discharge of pollutants in key river valleys.

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  • 介绍了丙烯腈生产工艺国内外生产情况及丙烯腈生产污染物来源

    The production technology of acrylonitrile and the situation of production at home and abroad as well as the pollutant sources of acrylonitrile wastewater were introduced.

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  • 分析涂料直接印花污染物成分理化性质提出的治理措施。

    Analyzing the pollutant's ingredients and its physicochemical characteristic in coating wastewater from print, the paper puts forward its treatments.

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  • 汾河治理建立一个河流污染物总量控制排污许可证管理信息系统

    Taking Fen river as a case study, a management information system is set to implement pollution gross control and license management.

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  • 既然氮氧化物烟尘成分一种,也是常见污染物,那加汽油不会产生额外的污染呢?

    Since nitrogen oxide compounds are components of smog and are common water pollutants, does nitrogen-enriched gasoline create additional pollution?

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  • 辨析环境质量基准标准概念差异,指出了它们污染物总量控制的作用。

    Starting from discriminating concepts, the difference between water quality criteria and standards are distinguished, and their relationship in total amount control of water pollutants is analyzed.

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  • 辨析环境质量基准标准的概念差异,指出了它们水污染物总量控制作用。

    The water quality criteria (WQC) and water quality standard (WQS) are the managed basis for the environmental water quality control aim.

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  • 氮肥生产污染物成份COD浓度,特别是小企业治理起来困难很大。

    Due to the high concentration of COD, and the existence of many pollution matter in the nitrate wastewater, and its treatment is rather difficult for small nitrate plant.

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  • 目前地下污染物扩散运移规律研究逐渐成为国内外学者研究重点和焦点问题。

    Nowadays, the transport dispersion law of pollutant in ground water has gradually become the focus of domestic and foreign scholars.

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  • 污染物分为点源非点源,前者认为所有干燥空气污染物通过管道进入

    Water pollutants are categorized as point source or nonpoint source, the former being identified as all dry weather pollutants that enter watercourses through pipes or channels.

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  • 既然氮氧化物烟尘成分一种,也是常见污染物,那加氮汽油不会产生额外的污染呢?

    Q: Since nitrogen oxide compounds are components of smog and are common water pollutants, does nitrogen-enriched gasoline create additional pollution?

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  • 实施污染物总量控制改善环境质量重要措施环境管理工作中将发挥巨大作用

    The implementation of total amount control of water pollutants is a key measure in improving water environmental quality and it will bring into a big play in environmental management.

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  • 数值模型可以用来研究诸如土壤地下污染物输运以及空气污染等领域里的传质问题。

    This numerical model can be applied in many fields such as pollutant transport in soil or groundwater, and air pollution. It…

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  • 第三结合公平性效益型原则污染物总量控制和分配中引入环境基尼系数概念

    Thirdly, combined with the equity and efficiency principle, a new conception of environmental Gini coefficient was introduced to total amount control and allocation for the water pollutants.

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  • 实验尺度下比较结果表明普通克立格研究地下水污染物浓度空间分布估值方法

    The results in the scale of experiments show that ordinary Kriging method is the optimum method for estimating the spatial distribution of the contamination concentration in ground...

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  • 运用污染负荷关联递阶分析了矿山地下污染物主从关系,确定了矿山地下的主要污染指标

    This paper analyses the principal and subordinate relationship between groundwater pollution indexes by using pollution load ratio and gray relation analysis method.

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  • 地下中的微量元素含量远远超过其它地下污染物——硝酸盐杀虫剂挥发性化合物(VOCs)中的含量标准。

    Trace elements in groundwater exceed human health benchmarks at a rate that far outpaces most other groundwater contaminants, such as nitrate, pesticides, and volatile organic compounds (VOCs).

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  • 污染物总量控制建立天然污染物具有稀释扩散作用理论上,即天然体对污染物具有一定环境容量的基础

    Total emission control of water pollutants is based on natural water dilution of pollutants and autopurification theory, in another word, natural water has some environmental capacity on pollutants.

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  • 方法同样适用任何面源可溶性污染物地下污染动态风险评价

    The dynamic risk assessment method is applicable for any soluble groundwater pollutants from diffuse sources.

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  • 结合我国流域非畅流特点,提出污染物人工调控污染物间接不影响等几个基本假定,构建了流域跨污染结构描述模型

    Several basic hypotheses have been supposed, and model of structure description of transboundary water pollution is brought forward combining the Chinese circumstances.

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  • 现在主要污染物范围包括二氧化硫化学需氧量,为一个衡量污染程度的指标。

    The current scope of major pollutants includes sulfur dioxide and chemical oxygen demand, a gauge of water pollution.

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  • 最后对渭河流域宝鸡市河段纳污能力污染物控制总量定额进行分析计算宝鸡市河流污染控制提供了依据。

    Such analysis calculation method of water environmental carrying capacity and allowable pollutant total control quota can provide basis for water pollution control of rivers in Baoji city.

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  • 通过环境质量评价污染物运移模拟结合,摸清污染物运移机理从而制定有效的污染防治措施

    Water pollutant migration mechanism is felt out by combining water environmental quality evaluation and water pollutant transport simulation, thus making the preventive measures to water pollution.

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  • 模型污染物迁移转化模拟主要工具环境保护污染防治领域得到了广泛地应用。

    Water quality model is a key tool of water pollutant transport and transform simulation. It is widely used in the field of water environment protection and water pollution prevention and cure.

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  • DRASTIC方法可以进行地下污染脆弱性评价,但是没有涵盖风险概念,也忽视了污染物随地表运动动态特性

    The DRASTIC method can provide groundwater vulnerability to pollution but does not contain risk concept and ignore hazard's dynamic nature of water movement.

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  • 为了指导矿区地下污染控制治理需要研究污染物地下中迁移扩散的规律及其污染特征

    In order to guide control and harness of groundwater of mining area, have need of making a study of transition regulation and contaminative characteristic of contaminant in the groundwater.

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  • 为了指导矿区地下污染控制治理需要研究污染物地下中迁移扩散的规律及其污染特征

    In order to guide control and harness of groundwater of mining area, have need of making a study of transition regulation and contaminative characteristic of contaminant in the groundwater.

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