To discuss the problem of excess sludge reduction,ozonation was used to treat sludge from aerotank,and influences to COD、NH_3-N and TP by excess sludge reduction were studied.Test indicated that:specific desaturase activity of excess sludge decreased with oxidation time;in mixture of sludge and water after oxidation,SCOD increased with time extending;the removal rate of COD and TP had no obvious change,and the removal rate of NH_3-N increased a little when access sludge after oxidation was discharged into A...
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The result of the test indicated that it is a good dye fixative.
通过应用性能测试，表明它是一只性能较好的固色剂。
The test indicated that the products made by the composite met the designing demand.
试验证明：应用该材料制造的产品符合设计要求。
The competition adsorption test indicated that bentonite can sorpted AFB1 selectivity.
竞争吸附试验表明，膨润土对AFB_1有选择吸附特性。
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