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含氮生化需氧量 | nitrogenous biochemical oxygen demand |
生化需氧量 | biochemical oxygen demand The amount of oxygen used for biochemical oxidation by a unit volume of water at a given temperature and for a given time. BOD is an index of the degree of organic pollution in water (在特定温度和给定的时间内,单位体积的水生化氧化的耗氧量。BOD是水体有机污染的程度的指数。) |