CYLINDRICAL CENTRIFUGAL EXTRACTOR FOR EXTRACTION PURIFICATION OF α-AMYLASE IN AQUEOUS TWO-PHASE SYSTEMS
Fung Youqin, Mei Lehe, Zhu Ziqiang and Chen Xiaoguo (Department of Chemical Engineering, Zhejiang University, Hangzhou 310027)
CIESC Journal . 1992, (5): 621 -626 .