material particles less than 100 um are considered nano.

来源: Maddie'sMom 于 2012-09-08 08:34:46 [档案] [博客] [旧帖] [给我悄悄话] 阅读数 : (209 bytes)

回答: 那个仪器就是一滴水和一碗水的区别由 123456p 于 2012-09-08 08:29:06

Don't buy any aerosol products that contain nano materials.Particles that small are respirable. It travels to our deep lung and stays there. Some will travel to brain. Sometime nano is a bad news.

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• typo: < 100 nm is nano -Maddie'sMom- ♀ (0 bytes) () 09/08/2012 postreply 08:36:00

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