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A dead-end cell filtration cell with an active membrane area of 10.75 cm2 was employed to characterize water permeability of the grafted and original membranes. whole membrane throughout its full size became transparent, indicating the uniformity of grafting in SC CO2. water permeation the virgin PP membrane were examined at various pH values The flux change with pH results from the response of the PAA chains grafted on the PP substrat. 不知道准确的意思，谢谢大家了。 |
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