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生物需氧量
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生物需氧量
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工学
废水水质指标
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biochemical oxygen demand;BOD
生物需氧量
在特定条件下,水中的有机物和无机物进行生物氧化时所消耗溶解氧的质量浓度。又称生化需氧量。以毫克/升或百分率、百万分之一(ppm)表示。
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