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单词 biochemical oxygen demand
释义 biochemical oxygen demandn.Abbr. B.O.D.Microbiology (名词)缩写 B.O.D.【微生物学】
  1. The amount of oxygen required by aerobic microorganisms to decompose the organic matter in a sample of water, such as that polluted by sewage. It is used as a measure of the degree of water pollution. Also called biological oxygen demand 生化需氧量:需氧微生物在水样品中分解有机物质所需氧气的量,如在被垃圾污染的水中。用于测量水的污染程度 也作 biological oxygen demand
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