提高重点流域水污染物的国家排放标准。
National standards would have stricter limits for discharge of pollutants in key river valleys.
介绍了丙烯腈生产工艺、国内外生产情况及丙烯腈生产废水污染物来源。
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.
分析了涂料直接印花废水污染物成分和理化性质，提出了该废水的治理措施。
Analyzing the pollutant's ingredients and its physicochemical characteristic in coating wastewater from print, the paper puts forward its treatments.
以汾河治理为例，建立一个河流水污染物总量控制与排污许可证管理的信息系统。
Taking Fen river as a case study, a management information system is set to implement pollution gross control and license management.
既然氮氧化物是烟尘成分的一种，也是常见的水污染物，那加氮汽油会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?
辨析了水环境质量基准与标准的概念差异，指出了它们对水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.
辨析了水环境质量基准与标准的概念差异，指出了它们对水污染物总量控制的作用。
The water quality criteria (WQC) and water quality standard (WQS) are the managed basis for the environmental water quality control aim.
氮肥生产废水污染物成份多，COD浓度高，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.
目前，地下水污染物扩散运移规律研究已逐渐成为国内外学者研究的重点和焦点问题。
Nowadays, the transport dispersion law of pollutant in ground water has gradually become the focus of domestic and foreign scholars.
水污染物分为点源和非点源，前者认为所有干燥空气污染物通过水管或管道进入水道。
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.
问：既然氮氧化物是烟尘成分的一种，也是常见的水污染物，那加氮汽油会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?
实施水污染物总量控制是改善水环境质量的重要措施，在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.
该数值模型可以用来研究诸如土壤或地下水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…
第三，结合公平性和效益型原则，在水污染物总量控制和分配中引入了环境基尼系数的概念。
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.
在实验尺度下的比较结果表明，普通克立格法是研究地下水污染物浓度空间分布的最优估值方法。
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...
运用污染负荷比和灰关联法递阶分析了矿山地下水污染物的主从关系，确定了矿山地下水的主要污染指标；
This paper analyses the principal and subordinate relationship between groundwater pollution indexes by using pollution load ratio and gray relation analysis method.
地下水中的微量元素含量远远超过了其它地下水污染物——如硝酸盐、杀虫剂和挥发性化合物(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).
水污染物的总量控制是建立在天然水体对污染物具有稀释扩散和自净作用理论上，即天然水体对污染物具有一定环境容量的基础上。
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.
此方法同样适用于任何面源可溶性污染物的地下水污染动态风险评价。
The dynamic risk assessment method is applicable for any soluble groundwater pollutants from diffuse sources.
结合我国流域的非畅流特点，提出了污染物人工调控和污染物间接不影响等几个基本假定，构建了流域跨界水污染结构描述模型。
Several basic hypotheses have been supposed, and model of structure description of transboundary water pollution is brought forward combining the Chinese circumstances.
现在主要污染物的范围包括二氧化硫和化学需氧量，为一个衡量水污染程度的指标。
The current scope of major pollutants includes sulfur dioxide and chemical oxygen demand, a gauge of water pollution.
最后对渭河流域宝鸡市河段纳污能力及污染物控制总量定额进行了分析计算，为宝鸡市河流水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.
通过水环境质量评价和水体污染物运移模拟的结合，摸清水中污染物的运移机理，从而制定有效的水污染防治措施。
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.
水质模型是水体污染物迁移转化模拟的主要工具，在水环境保护、水污染防治等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.
DRASTIC方法可以进行地下水污染的脆弱性评价，但是却没有涵盖风险的概念，也忽视了污染物随地表水流运动的动态特性。
The DRASTIC method can provide groundwater vulnerability to pollution but does not contain risk concept and ignore hazard's dynamic nature of water movement.
为了指导矿区地下水污染的控制与治理，需要研究污染物在地下水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.
水污染主要由人类活动产生的污染物而造成的，它包括工业污染源，农业污染源和生活污染源三大部分。
Water main pollutants generated by human activity caused, which includes industrial pollution, agricultural pollution and living most of the three sources.
水污染主要由人类活动产生的污染物而造成的，它包括工业污染源，农业污染源和生活污染源三大部分。
Water main pollutants generated by human activity caused, which includes industrial pollution, agricultural pollution and living most of the three sources.
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