The parameters of UF membrane pore were quite different even if the membrane had the same molecular weight cut-off.
截留分子量相同或相近的超滤膜，膜孔形态参数差别很大。
The slow flux decline was mainly caused by neutral hydrophilic fraction of organics with MW between 1 000~10 000, which plugs membrane pore.
相对分子质量在1 000~10 000的中性亲水性有机物，主要通过堵塞膜孔而造成膜通量缓慢下降。
When membrane pore size was decreased of 7%, the water flux of modified micro-membrane increased significantly, reaching the largest value of 151.8%.
在微滤膜孔径减小7%的情况下，改性后的微滤膜水通量有显著的提高，最大提高幅度为151.8%。
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