the method of flow injection analysis (fia) is described for continuously measuring chemical oxygen demand (cod) in seawater.
利用流动注射分析技术(fia)快速、连续测定海水化学耗氧量(cod)。
chemical oxygen demand (cod) is a synthetical indicator which represents the degree of organic pollution in water.
化学需氧量(cod)是表征水体中有机物污染程度的一个综合性指标。
the purpose of studying the correlation of total organic carbon (toc) with permanganate index and chemical oxygen demand (cod) has been stated.
叙述了研究总有机碳与高锰酸盐指数及化学需氧量相关关系的目的。
the results showed that the removal efficiency of chemical oxygen demand (cod) and decoloration efficiency were above 95%.
叙述了研究总有机碳与高锰酸盐指数及化学需氧量相关关系的目的。
the sequencing batch reactor (sbr) was used to treat the wastewater discharged from the petrochemical units, the oil content and chemical oxygen demand (cod) of the wastewater decreased effectively.
为此,玉门炼油化工总厂对其废水处理设施进行了改建和扩建,其生物处理系统采用了序批式活性污泥法处理工艺。
chemical oxygen demand (cod) is the representative index of sewage water.
化学需氧量(简称cod)是水质污染程度的代表性指标。
a method for the rapid and accurate determination of chemical oxygen demand (cod) using potassiumdichromate as oxidant under new conditions is described in this paper.
本文提出了一种以重铬酸钾为氧化剂在新的条件下快速及準确测定化学耗氧量(cod)的方法。
temperature had an evident influence on chemical oxygen demand (cod) removal.
温度对系统cod去除能力有着比较明显的影响。