将腮腺炎病毒S79株培养液用中空纤维超滤器进行浓缩，经PEG沉淀后，采用蔗糖密度梯度离心法纯化抗原；
The tissue culture of mumps virus S79 strain was purified by ultrafiltration on hollow fiber, PEG precipitation and density gradient ultracentrifugation.
本文研究外压式聚砜中空纤维超滤器去除低度白酒浑浊的工艺。
Clearing the raw liquor of low grade wine by external pressure hollow fiber ultrafiltration device was investigated.
该垂柳式中空纤维膜或毛细管膜过滤器不必设中心瀑气管，结构简单。
The weeping willow style hollow fiber membrane or the capillary membrane filter can avoid the arrangement of a central gas dispersion tube, thus having simple structure.
应用推荐