化学需氧量是水质监测的一项重要指标。综述了化学需氧量的测定方法和研究进展。

Chemical oxygen demand is one of the important index in water monitoring. In this paper, the recent development for determination of chemical oxygen demand is briefly summarized.

youdao

COD是水质监测的一项重要指标，氯离子是COD测定中主要的干扰物之一。

COD is one of the important indexes in water quality surveillance and chloride is one of the main disturbing substances.

youdao

目的：测定南澳县水源水中氟化物的背景值及其它相关水质指标。

Objective: To measure the background fluoride and related water quality indices in water source of Nan 'ao County.

youdao