permeable membrane - 渗膜?



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送交者: cornbug 于 2005-8-28, 14:42:42:

回答: IS there any body English good enough to write a letter 由 xj 于 2005-8-28, 12:50:51:

So permeable-proof membrane is 防渗膜?

There are man-made semi-permeable membrane that selectively allows certain molecules to go through.

I don't know the context of what professor Zhang was talking about. But all biological membranes are selectively permeable, depending on the molecular weight, right?



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