The selectivity of PDMS composite membrane for different organosulfur compounds were characterized by group-contribution method. 结合实验结果，用基团贡献法分析了该复合膜对不同种类有机硫的选择性。
In order to get the protease and mogroside, we extracted the Siraitia grosvenorii juice by adopting the composite ceramic membrane and multifunctional organic membrane. 摘要罗汉果汁采用陶瓷复合膜和多功能有机膜设备提取分离罗汉果汁，得到罗汉果蛋白酶和甜甙。
