biochemical oxygen demand

常见例句

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，即有机物分解所需的氧这个单位进行测量。
The result indicated that the main pollution target of this section is permanganate index, five days' biochemical oxygen demand and ammonia nitrogen.
评价结果表明：该段主要污染指标高锰酸盐指数、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%.
污水处理系统运行到30 d左右时，化学需氧量（COD）的去除率达到82%，生化需氧量（BOD）的去除率达到92%。