The effect of alternative freezing and thawing can enhances the activities of some soil enzymes greatly, such as phosphatase, nitrate reductase and nitrite reductase.
冻融交替作用明显地增强土壤中磷酸酶、硝酸还原酶和亚硝酸还原酶的活性。
Effects of florfenicol on the activities of nitrate reductase, nitrite reductase and alkaline phosphatase in marine sediment were studied in laboratory by simulation experiment.
通过室内模拟实验研究了氟苯尼考对海洋沉积物中硝酸盐还原酶、亚硝酸盐还原酶、碱性磷酸酶活性的影响。
Effects of florfenicol on the activities of nitrate reductase, nitrite reductase and alkaline phosphatase in marine sediment were studied in laboratory by simulation experiment.
本论文对该菌株进行紫外诱变，筛选高产菌株，并研究其产亚硝酸盐还原酶的条件，所产亚硝酸盐还原酶的酶学性质和稳定性。
Effects of florfenicol on the activities of nitrate reductase, nitrite reductase and alkaline phosphatase in marine sediment were studied in laboratory by simulation experiment.
本论文对该菌株进行紫外诱变，筛选高产菌株，并研究其产亚硝酸盐还原酶的条件，所产亚硝酸盐还原酶的酶学性质和稳定性。
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