总结了有机相酶催化的优点与影响因素，其中水活度与溶剂为众多因素中最为引人注目的两大因素。
Factors which affect the efficiency of enzyme catalysis in organic media were discussed. In all of the factors. water activity and solvent are the two important factors.
重点介绍了生物技术方法对其改性的优越性及在生物改性过程中反应介质、水活度、 生物催化剂选择上所面临的挑战。
Utilizing biological technique on modification of them was emphasized and the choices of reaction media, water activity and biocatalyst by biological method were introduced.
本工作考察了分子筛裂化催化剂水蒸汽减活与表面酸度、表面积，和相对结晶度的关系。
The relation between steam deactivation and surface properties of zeolite - containing cracking catalyst was investigated.
应用推荐