Okisijeni yakanyungudika inoreva kuwanda kweokisijeni yakanyungudika mumvura, kazhinji inonyorwa seDO, inoratidzirwa mumamirigiramu eokisijeni parita remvura (mu mg/L kana ppm).Mamwe ma organic compounds akaitwa biodegraded pasi pekuita kwe aerobic bacteria, iyo inopedza iyo yakanyungudutswa okisijeni mumvura, uye ...
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