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江河海资讯

江河海资讯
  • What are COD and BOD

    What are COD and BODWhat is biochemical oxygen demand (BOD) and chemical oxygen demand (COD)Biochemical oxygen demand (BOD) is also called biochemical oxygen consumption.

  • 什么是COD和BOD

    什幺是COD和BOD什幺是生化需氧量(BOD),什幺是化学需氧量(COD) 生化需氧量(BOD) 亦称生化耗氧量。两种方法都不能反映有机污染物在水中降解的实际情况,因为,两者都没有把微生物所能氧化有机物的量表示出来。