oxygen requirement

英 美
  • 氧需要量,需氧量
    1. The results showed that magnesium hydroxide had good effect for decoloring and suspended substance removal,meanwhile,removal rate of chemical oxygen demand was also quite high.
      研究结果表明,氢氧化镁在印染废水的处理过程中,具有良好的脱色效果和悬浮物的去除效果,对化学需氧量的去除率也相当高。