1·The results show that it is feasible to use humic acids as urease inhibitors.
表明了选用煤炭腐植酸类物质作为脲酶抑制剂是可行的。
2·The activities of soil dehydrogenase, alkaline phosphatase, urease and sucrase decreased with the time of incubation.
土壤脱氢酶、碱性磷酸酶、脲酶及蔗糖酶活性均随培养时间延长而降低。
3·The immobilized microorganism urease have a storage stability fixedly.
固定化微生物脲酶具有储存稳定性。
4·The localization of the activity of immobilized urease on chitosan membrane was studied by X-ray microanalysis.
利用X射线微区分析方法，对壳聚糖固定化脲酶活性进行了定位分析。
5·Variations of peroxidase, sucrose invertase and urease activity in soil from Eucalyptus coppice forest, Eucalyptus newly planted forest, shrub grassland and masson pine forest have been investigated.
研究了桉树萌生林、桉树植苗林、灌草丛和马尾松林地土壤中过氧化氢酶、蔗糖转化酶及脲酶的活性变化。