那个仪器就是一滴水和一碗水的区别
所有跟帖:
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material particles less than 100 um are considered nano.
-Maddie'sMom-
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09/08/2012 postreply
08:34:46
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typo: < 100 nm is nano
-Maddie'sMom-
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09/08/2012 postreply
08:36:00