Sunlight and water act like food of all plants.

Regulation of toxic pollutants under the Clean Water Act is discussed in Chapter 5.

根据《洁净水法案》,关于有毒污染物的管制将在第五章讨论.

英汉非文学 - 环境法 - 环境法

Among the first grade zones, 83 are protection zones, and the water quality target is Class II or Class I in Environment Quality Standards for Surface Water ( GB3838-2002);

开发利用区293个。共划分了560个二级区，其中，饮用水源区202个，水质目标控制标准为《地表水环境质量标准》（GB3838-2002）Ⅲ～Ⅱ类；

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The quality of outlet water of the experiment meets the Surface Water Environment Quality Standard GB 3838-2002 ⅲ and meets the requirement of the reuse of reclaimed water for scenic water.

试验出水水质可以达到GB3838&2002《地表水环境质量标准》中Ⅲ类水体标准，可满足人工景观用水等高级回用的要求。

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Surface water environmental quality standard GB 3838-98 was generally framed.

制定了GB3838－98地表水环境质量标准的总体框架。

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The outflow water quality under the planed load met the China standard for surface water resources ( GB3838-2002). We increased the inflow load, and test the pre-treatment effect of subsurface wetlands.

在设计进水负荷条件下出水水质可以达到《地表水环境质量标准》（GB3838-2002）中的三级标准的要求提高进水负荷，考察潜流湿地的预处理效果。

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Classification standard of water quality is based on the criterion GB 3838& 2002, and pollution degree is divided into 5 levels.

以地表水环境质量标准GB3838&2002为依据，污染程度共分为5个等级。

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The concentrations of heavy metals in Xinqiao stream meet the "Surface Water Environmental Quality Standard" ( GB3838-2002)ⅲ. 2.

新桥河水体中重金属离子浓度基本达到《地表水环境质量标准》（GB3838-2002）Ⅲ类标准。

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This paper also uses the nation surface water environment quality criterion to evaluate the water environment quality in the two reservoirs comprehensively.

依据国家地表水环境质量标准对两水库水环境质量进行了综合评价。

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The result shows that the removal rate of CODcr is up to98%, and then the effluent can meet the overall sewage discharge standard of the second grade.

结果显示，系统的COD总去除率达98%以上，出水水质达到污水综合排放二级标准。

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The utility model aims at providing an improved flat barrel filter element capable of making the sewage filtered by the filter element reach Integrated Wastewater Discharge Standard of the state.

其目的是提供一种改进的平筒滤芯，使经其过滤的污水达到国家规定的《污水综合排放标准》。

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The main contents of the new Standards and the relation and differences between them and the existing "integrated Wastewater Discharge Standards" promulgated in 1966 are briefed.

该文介绍了国家新颁布的《城镇污水处理厂污染物排放标准》的主要内容及与国家1996年颁布的《污水综合排放标准》之间的关系和区别。

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The evaluation is complied with national stipulation about comprehensive discharge standard of sewage.

评价选用国家制定的污水综合排放标准。

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The treated wastewater can meet the requirements of standard III of the comprehensive wastewater discharge standard ( GB9878-1996) when the reaction time is 30 minutes at 300 ℃ or reaction time is 60 minutes at 280 ℃.

在300℃下反应30min或在280℃下反应60min，处理水可达到污水综合排放标准GB9878-1996的三级标准。

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The wastewater treated by suitable method could reach the second grade of national wastewater discharge standards. The platinum could be recovered after burning off the support carbn.

本课题的废水采用合理的方法处理后，可达到国家污水综合排放二级标准，失活催化剂上的贵金属铂可以采用燃烧掉炭来回收。

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Discussion on Synthetical Sewage Discharge Standard ( DB21/ 1627-2008) in Liaoning Province

对辽宁省《污水综合排放标准》（DB21/1627-2008）的探讨

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The operational results show only if controlling the work conditions of ammonia still and the pH of wastewater, ammonia still has high treatment effect on NH_3-N removal, the effluent quality reaches the secondary criteria specified in Integrated Wastewater Discharge Standard ( GB 8978-1996).

运行结果表明只要控制好蒸氨塔的操作条件和废水的pH值，对NH3-N可达到较高的去除效率，出水水质可以达到《污水综合排放标准》。

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Operation results showed that all the indexes of the effluent could meet the first-order of National Overall Discharge Standard of Sewage, thus obtaining good environmental and economic benefits.

系统运行结果表明：其出水各项指标均达到国标《污水综合排放标准》一级排放标准，取得了良好的环境和经济效益。

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By employing IC reactor and anaerobic-aerobic process, the citric acid sewage reaches the second grade of sewage comprehensive discharge standard.

柠檬酸废水通过IC厌氧反应器和兼氧&好氧技术工艺流程，达到污水综合排放标准中的二级标准。

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The study reflects that using man-made reed marsh to decontaminate city sewage can effectively get rid of some pollutants in the polluted water, and the water after being decontaminated can reach the national standard of water discharging.

试验研究表明，利用人工芦苇湿地处理城市污水，一方面，通过芦苇湿地系统对污水中的污染物质有较强的去除作用，处理后水质均达到污水综合排放标准；

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Application and Related Monitoring of Comprehensive Sewage Discharge Standards

《污水综合排放标准》的实施与监测

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