Kev Piav Qhia Luv:

Cov fiber membrane siv ua lub plawv membrane ntawm lub lim dej, qhov qhib 100 ~ 300nm, porosity siab thiab thaj chaw loj tshwj xeeb.

Teem qhov tob tob thiab kev lim dej zoo hauv ib qho, cuam tshuam cov khoom tsis huv ntawm cov khoom me me, tshem tawm cov hlau hnyav xws li calcium thiab magnesium ions thiab cov khoom siv tua kab mob, txhim kho cov dej zoo.