水质标准

在一定掩蔽剂的作用下，试剂可用于测定环境水质标准样品中铅的测定。

After adding some masking agents , the reagent is applied to determinate Pb (ⅱ) in water standard samples .

因此，农田污水灌溉要严格执行灌溉水质标准，禁止盲目灌溉，防止土壤和蔬菜的污染。

So it was necessary to carry out irrigation water standard strictly and forbid blindness irrigation to prevent soil and vegetable pollution .

水质标准由谁来制订？

Who sets the standard for water quality ?

无论是夏季和冬季，漂浮植物均能有效地调节pH值在水质标准6～9范围内。

Regardless of summer or winter , floating plant could adjust effectively pH within 6 ~ 9 .

水体中Cd的含量满足I类水质标准；

The content of Cd in water also could be consonant with the first standard ;

结果表明：水体基本达到V类水质标准。

The result showed that the water quality had basically reached water quality standard V grade .

海水中硝酸氮、亚硝酸氮、氨氮、磷、硅、溶解氧、pH值等化学要素指标均符合一类海水水质标准。

Phosphor , silicon , dissolved oxygen , ph value and other chemical elements all apply to the first class seawater quality .

BP网络不必对各评价指标权值大小做人为规定，只需学习五类水质标准就能自动掌握水质指标间的合理规则，评价结果具有客观性。

BP network only need to learn five kinds of water quality standards and is able to master the rational rules among the water quality parameters automatically .

流化床出水浊度10NTU，色度为20~28倍，pH值为7.5~8.0，达到了《生活饮用水水源水质标准》的二级标准。

The effluent turbidity is below 10 NTU , chroma 20-28 times and pH 7.5-8.0 , reaching ⅱ - class criteria specified in Water Quality Standard for Drinking Water Source .

结果表明：海水中Cu、Pb、Cd和Zn的含量均低于第二类《海水水质标准》，水质良好；

The results showed that the contents of Cu , Pb , Cd , Zn of seawater were below the second degree of Sea Water Quality Standard .

黑索金（RDX）水质标准研究

Study on Water Quality Standard of Hexogen

为满足不断提高的饮用水水质标准的要求，本研究以实际微污染地表水为原水，重点考察了连续运行的膜生物反应器（MBR）对微污染原水中微量TCP的去除效果。

A lab-scale MBR was performed to investigate the removal of trace TCP from micro-polluted surface water , in order to satisfy the upgrading criteria of drinking water .

其最大值均远远超过《地表水环境质量标准》（GB3838-2002）V类水质标准。

The maximum values of them are far more than that of Class V of the National Surface Water Quality Standards .

当系统达到稳定状态时，COD去除率可达599%～693%，各项指标均可达到地表水三类水质标准。

When stable situation was acquired , the removal ratio of COD was 59.9 % ~ 69.3 % , and each index could attain the third level surface water quality standards .

结果表明：大港湾海水中Cu，Pb，Cd，Zn的含量均低于渔业水质标准。

The results may be summarized as follows : The contents of Cu , Pb , Cd , Zn in sea water at the Dagang Bay are all below the Fisheries Water Quality Standard .

河北省元氏县农业水资源严重不足，县城污水年排放量335万m3，按《农田灌溉水质标准》属超标水质。

Water resources for agriculture in Yuanshi County is of scarcity and the annual sewage discharge reaches 3.35 million m3 which is exceed the quality standard for irrigation water .

实验结果表明：该工艺处理洗浴废水，中段MBR装置的出水常规的监测指标均已优于CJ/T48-1999《生活杂用水水质标准》的要求，而且水质稳定。

Experiment result shows that the general monitoring index of treated effluent from MBR met the " Miscellaneous Domestic Water Quality Standard " ( CJ / T48-1999 ) .

分析表明，调查海域COD浓度不仅远远低于国家一类海水水质标准，而且也大大低于渤海沿岸水。

In the whole survey area , the COD concentration could not only meet the standard for first-class sea water quality , but also was significantly lower than the COD concentration of the coastal water .

连续运行的MBR不论投加PAC与否，出水的感官性状、NH3-N等指标均符合《城市供水水质标准》（CJ/T206-2005）的要求。

Whether dosing PAC or not , the aesthetic quality and NH3-N of treated water all could reach the requirement of Water Quality Standards for Urban Water Supply ( CJ / T206-2005 ) .

DIN的含量较高，超过国家三类海水的水质标准。胶州湾海水中无机氮的分布与富营养化研究

The content of dissolved inorganic nitrogen ( DIN ) was higher than the third-class seawater standard in China . Study on Dissolved Inorganic Nitrogen Distributions and Eutrophication in the Jiaozhou Bay

而在同安湾，NH4-N、NO2-N、DO和COD均达到了二类渔业水质标准，同时DO与COD，DO与NH4-N之间都存在较好线性关系。

The contents of DO , COD , NH4-N and NO2-N are coincided with the second class fishery water quality standard in Tong'an Bay , and DO is linear with other environmental factors well .

研究结果表明，屋面初期径流的NH3-N、高锰酸盐指数及挥发酚等均劣于地表水Ⅴ类水质标准；

Results indicate that the main contaminants in the runoff are organic compounds and suspended solids . NH_3-N , permanganate index and volatile phenol in the initial runoff from roofs are all beneath the class ⅴ criteria of surface water .

论文对大生活用海水的浊度、色度、BOD5、氨氮含量、合成洗涤剂含量、溶解氧含量、大肠菌群数、悬浮性固体等指标进行了研究，提出了我国大生活用海水水质标准建议。

The guideline of turbidity , color , BOD_5 , NH_3-N , synthetic detergent , DO , coliform and suspended solids etc in domestic seawater is discussed in this paper , and the standards of domestic seawater quality are also proposed .

在许多地区符合水质标准的水短缺。

Many areas are short of water that meets the standard .

污水排水合流管道的水质标准

Waste water quality standards for discharging into the combined sewer system

水质标准的选择取决于水的预定用途。

Quality standards selected depend on intended use of the water .

生活饮用水水质标准是保证自来水水质的核心。

Scientific standard is the basis to prove drinking water quality .

压水堆&回路水质标准的腐蚀依据

The Corrosion Basis of Primary Circuit Water Quality Specification of PWR

炼油厂给水排水水质标准

Standard for water quality of water supply and drainage in refineries

污水再生利用水质标准和处理工艺探讨

Discussion on Standards for Wastewater Reclamation and Reuse and Treatment Technologies