大庆油田化工总厂废水中化学需氧量(COD)的测定采用库仑法。

Coulostatic method has been adopted to determine chemical OxygenDemand (COD) in the waste water of Petrochemical Plant of Daqing Petroleum Administration.

youdao

探讨了利用微波消解测定水中化学需氧量(COD)的各种条件实验。

A new method for determining COD using the microwave digestion was developed and the digestion conditions were studied.

youdao

应用生物接触氧化法投加有效微生物菌群(EM)对制药废水中化学需氧量的去除效果进行试验研究和分析。

An experiment was made on the pharmaceutical wastewater treatment with the contact oxidation process by adding effective microorganisms (em) to remove the chemical oxygen demand (COD).

youdao