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chemical oxygen demand The quantity of oxygen used in biological and non-biological oxidation of materials in water; a measure of water quality (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。) | |||
chemical oxygen demand | |||
chemical oxygen consumption; Crack Opening Distance | |||
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chemical oxygen demand | |||
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chemical oxygen demand |
化学需氧量 : 37 phrases in 8 subjects |
Desert science | 1 |
Earth sciences | 5 |
Ecology | 1 |
Environment | 1 |
General | 2 |
Oil / petroleum | 1 |
Technology | 19 |
Water resources | 7 |