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1)  COD analysis
COD分析
2)  COD analyzer
COD分析仪
3)  COD analysis waste liquor
COD分析废液
4)  COD on-line analyzer
COD在线分析仪
1.
The check and accept process for industrial waste COD on-line analyzer should guarantee to the identity test condition such as in the same place and stratification sampling,in same container sampling for both tests,with the same precipitation elimination method to remove chloride ion to make the result .
分析了COD在线分析仪和实验室比对结果人为差异的原因是样品不均匀,在线分析仪取样装置滤过,取样层面和采样方式以及沉淀消除的方法不同造成的。
5)  COD on-line automatic analysis instrument
COD在线自动分析仪
1.
COD on-line automatic analysis instrument,which is used to monitor COD emitted concentration of various pollution water continuously.
COD在线自动分析仪,是用来对各类污水中COD排放浓度进行连续监控的仪器。
6)  COD components
COD组分
1.
The Activated Sludge Models were widely applied in Europe and America since they were put forward,however,for an accurate simulation of the activated sludge treatment processes,reliable wastewater characteristic parameters such as COD components were needed.
为实现对活性污泥处理过程的准确模拟,需要提供包括COD组分在内的详细的水质特性参数。
2.
However, for an accurate simulation of the activated sludge treatment processes, reliable wastewater characteristic parameters such as COD components were needed.
然而,为实现对活性污泥处理过程的准确模拟,需要提供包括COD组分在内的详细的水质特性参数。
补充资料:COD
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性质:简称COD,指用氧化剂氧化水中的需氧污染物质时所消耗的氧量,是表示水中需氧的污染物质含量的重要综合指标。该值越高,说明水中的需氧物质越多,污染程度越大。化学需氧量与生化需氧量的区别在于:后者是通过生物化学作用进行氧化,有机物等被氧化分解的速度较慢;而前者是通过氧化剂进行化学氧化,速度较快,用较短时间即可得到检测数据。化学需氧量用10-6或mg/L表示。我国工业废水排放标准规定,在工厂排出口的废水中,化学需氧量(重铬酸钾法)最高容许浓度为100mg/L。

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