biochemical oxygen demand

常見例句

They are commonly measured in units of biochemical oxygen demand (BOD), or the amount of oxygen needed to decompose them.
常常使用生化需氧量，即有機物分解所需的氧這個單位進行測量。
The result indicated that the main pollution target of this section is permanganate index, five days' biochemical oxygen demand and ammonia nitrogen.
評價結果表明：該段主要汙染指標高錳酸鹽指數(shù)、五日生化需氧量、氨氮。
http://dict.cnki.net
After 30 days' continuous running, the COD(Chemical Oxygen Demand) removal rate was improved to 82% and BOD(Biochemical Oxygen Demand) removal rate reached to 92%.
汙水処理系統(tǒng)運行到30 d左右時，化學需氧量（COD）的去除率達到82%，生化需氧量（BOD）的去除率達到92%。