在失败的传染实验中，致病因子不能通过细菌滤器。
In unsuccessful transmission experiments the causative agent could not be passed through bacteria-retaining filters.
过滤器是如何除去空气中的有毒化学品或致命细菌呢？
How does the filter remove poisonous chemicals and deadly bacteria from the air?
但研究表明，如今大部分飞机上的高效微粒空气过滤器能够滤掉99.97%的细菌和病毒微粒。
But studies have shown that high-efficiency particulate air (HEPA) filters on most jets today can capture 99.97% of bacterial and virus-carrying particles.
结果使用生物过滤器后医院下呼吸道感染发生率显著下降，呼吸回路螺纹管内几乎无细菌寄居。
RESULT After the filter used, the rate of nosocomial lower respiratory tract infection is reduced obviously, and breathing circuit almost have no bacteria colonized.
它的作用就像一个防御空气变应原的天然屏障，在鼻道里形成一层无色的、粘液样的、凝胶层，其作用就像一个灰尘和细菌的过滤器。
It ACTS as a natural barrier to airborne allergens, forming a colourless, mucus-like gel lining in the nasal tract that ACTS as a filter for dust and germs.
这样的过滤器可以除去大部分的细菌和霉菌，但对病毒和支原体不能全部除去。
Such filters can remove most bacteria and moulds, but not all viruses or mycoplasmas.
微孔膜过滤器MicroporousBarrel - Type Filter微孔膜过滤器采用折叠式微孔滤芯为滤材，对细菌和微粒进行有效截流，达到精滤的目的。
Microporous Barrel-Type Filter adopt accordion capillary strain core for strain material, dam to the bacterium and partied effectively, reach and strain precision.
微孔膜过滤器MicroporousBarrel - Type Filter微孔膜过滤器采用折叠式微孔滤芯为滤材，对细菌和微粒进行有效截流，达到精滤的目的。
Microporous Barrel-Type Filter adopt accordion capillary strain core for strain material, dam to the bacterium and partied effectively, reach and strain precision.
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