Draft beer refers to the one with certain biological stability, which adopts the method of physical filter with no Pasteurization or instant high temperature sterilization.
纯生啤酒是指不经过巴氏灭菌或高温瞬时灭菌，而采用膜过滤除菌，达到一定的生物稳定性的啤酒。
2
Objective To observe the influence of ethylene oxide sterilization on viruses inactivation blood transfusion filter and the residual state of ethylene oxide in the filter.
目的观察环氧乙烷灭菌处理对病毒灭活输血过滤器的影响和环氧乙烷在滤器中的残留状况。
3
Filtration and sterilization mechanism, manufacture technics and method, performance and application status of this new air filtration material (filter) are introduced in detail in this paper.