冒泡试验法是评定滤材及其成品滤芯质量的一种方法。
The principle and method of bubbling test was introduced in the article.
目的评价不同类型口罩滤材对非生物颗粒气溶胶和微生物气溶胶过滤效率。
Objective To evaluate the filtration efficiency of different types of mask filtration materials against non-biological particles aerosol and microbial aerosol.
用自由基化学接枝共聚的方法制作聚丙烯香烟滤材，以提高其表面能，增加自粘性。
The polypropylene used for making cigarette filters was prepared with the process of free radical graft copolymerization in order to raise the selfadhesive power and surface energy of the PP.
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