There is a fine linear correlation relation between the COD value and the turbidity in the roof and campus road runoff.

屋面及校园道路径流中的COD值与浊度之间存在很好的直线相关关系。

youdao

The results showed that the Oenanthe javanica could reduce P, N, COD value in large amount. It could obvious improve quality of wastewater.

结果表明，水芹菜对污水中的N、P、COD具有明显的去除效果，能明显改善污水水质。

youdao

Because of the large quantity and high COD value, the black liquor of paper making industry is an important source of environmental pollution.

造纸黑液由于量大、COD高，是造纸废水中的主要污染源，未经处理的黑液对环境会产生极大的危害。

youdao

People are buying cod, which is a high value fish, and actually they are getting a low value fish.

BBC: 'Cod fraud' uncovered by BBC NI food sample tests

They are taken by professionals, executives and managers like cod liver oil, necessary, distasteful and of questionable value.

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