海水水质标准

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 .

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 .

本海域为一类海水水质标准。

The marine water quality standard is first category .

桑沟湾氮的环境容量在一级海水水质标准下为4184.2t/a。

The environmental capacity of Sungo Bay is 4184.2t / a , relative to the 1st grade environmental capacity .

结合海水水质标准，运用单因子评价方法，诊断海岸带水质退化；

The degradation of water quality in the coastal zone is diagnosed with a single index assessment method referencing to water quality standards .

锌、镉、铅、汞、砷含量均比较低，符合二类海水水质标准。

Concentration of heavy metals including Zn , Cd , Pb , Hg and As were lower and within the second-class water quality standards .

采样站点各项指标均达到第一类海水水质标准，表明投放人工鱼礁可以调节海水水质。

These indicators for all sites reach the first category water quality standards of China . Hence , artificial reefs appear to improve water quality .

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

福建大部分海域海水符合清洁、较清洁海域海水水质标准，海水水质状况基本良好。

The water quality in Fujian 's most sea areas was good on the whole , reaching the standard of " Clean " or " Less Clean " .

近年来，随着大生活用海水技术的快速发展，迫切需要建立《大生活用海水水质标准》。

It is urgent to stipulate for the standards of domestic seawater quality because the domestic seawater technology is progressing rapidly in recent years .

结果表明：胶州湾海域表层海水中重金属和有机物质含量皆未超出国家一类海水水质标准。

The main results as follows : Values of heavy metals and organic matters in surface water of Jiaozhou Bay did not exceed Water quality criteria .

无机氮由于海水本底值较高，使得这一指标在全海域内超过Ⅲ类海水水质标准；

For inorganic nitrogen , because the background value of sea water was high , so it is beyond ⅲ sea water .

因此，海水水质基准指示了海洋环境对特定污染物受纳能力的底线，是制定海水水质标准的准绳和科学根据。

The seawater quality criteria indicate the marine environment baselines for receiving contaminants . And the seawater quality criteria are the scientific foundation of the seawater quality standards .

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 .

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 .