The biochemical oxygen demand ( BOD 5 ) of 47 substituted benzenes were determined.

测定了47种取代苯类化合物在松花江水中的5日生化需氧量 ( BOD5 ) .

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The final effluent was clear and pH, COD, BOD 5 and SS could meet the discharge standards.

出水水质清,pH 、 COD 、 BOD5、SS均能达到排放标准.

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BOD 5 is the synthetical evaluation index of water polluted by organic location.

五日生化需氧量(BOD5)是评价水体受有机物污染的相对耗氧指标.

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