Double-layer masks do not mean double-layer protection experts say that the masks are too thick and harmful to filtering | Australia Chinatown Australia News

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Professor Oliver, an infectious disease expert and researcher at the University of Technology Sydney, said the trend of double-layer masks is similar to the "double-layer gloves" in hospitals.
        【本报悉尼讯】戴两个真的就比戴一个好吗?

Sydney大学的传染病专家兼员奥利弗教授说,双层趋势类似於医院里的「双层手套」。

奥利弗教授说,我认爲人们已经抓住双层手套的想法,这是你穿两个很多乳胶或手术手套,以便当外面一个变脏或被污染时你可以把它脱下,你还双乾净的手套,他们把手套的科学原理应用到上,却没有仔细考虑Working principle.

虽然多戴一层保护膜似乎是增加保护的明显方法,但奥利弗教授说,戴太多保护层会完全破坏The role.

他说,你可能认爲,如果一个提供50%的保护,而你再戴一个,那两个50%就可以提供100%的保护,但不幸的是,它不是那样的。

的作用是过滤掉我们呼进呼出的空气。

奥利弗教授说,太厚会成爲过滤的障碍。

他说,如果你戴着一个有两层的外科,你有可能呼吸困难。你呼出的所有空气都渗透进孔中,没空气穿过你的.. Before定程度的过滤,现在由於过滤密度而了。还种说法是,如果你戴着两个,外面的一个可能会脏,而里面的一个会很乾净,因爲你只是接触了它,但没迹象表明所空气都了任何一层,所以这也没意义。根据奥利弗教授的说法,双层带来的风险大於好处。

他说,通常情况下,如果你戴着两个,你会很难呼吸,所以你会把它们取下来。

In addition, if the air you breathe is no longer filtered, harmful bacteria may easily slip away.

尽管如此,奥利弗教授说,如果人们选择戴合适的外科,再戴一个更「时尚」的,这不一定是有害的。(苏)
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