连续5天测定培养基的高锰酸钾指数，与参照比无明显变化，反映了其中微生物代谢活动比较微弱。
The 5 - day test of CODMn of the medium, the results show on distinct difference between experiment group and control group, which reflects low metabolism level of microorganism.
用高锰酸钾氧化法讨论了土壤活性碳库和碳库管理指数（CPMI）。
The active C pool and CPMI(C pool management index) of soils under different agricultural ecosystem were discussed using potassium permanganate oxidation in this paper.
对GB 11892 - 1989《水质高锰酸盐指数的测定》中酸性高锰酸钾氧化法测定水中高锰酸盐指数的测量不确定度进行了评定。
The uncertainty of measurement was evaluated for the determination of permanganate index of water by the method of GB 11892-1989, the acidic potassium permanganate method.
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