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| English | Chinese |
| 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 | 生化需氧量 (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。) |
| chemical oxygen demand The quantity of oxygen used in biological and non-biological oxidation of materials in water; a measure of water quality | 化学需氧量 (水中生物或非生物氧化作用中消耗氧的量，是对水体质量的一种评估。) |
| nitrogenous biochemical oxygen demand | 含氮生化需氧量 |
| oxygen demand | 需【耗】氧量 |