biochemical oxygen demand

短语

[医] 生化需氧量

词形变化

biochemical oxygen demands 复数 biochemical oxygen demands

别名

BOD

释义与例句

n.
  1. 1.

    The amount of oxygen needed by aerobic microorganisms to decompose all the organic matter in a sample of water, used as a measure of pollution.

    可数 不可数