1．Ziabicki A. Fundamentals of fibre formation. New York :Wiley and Sons Ltd ,1976 2．Kang Y S ,Kim H J , Kim U Y. Asymmetric membrane formation via immersion precipitation method. ( I) . Kinetic effect . J Membr Sci ,1991 ,60 :219 3．Cohen C ,Tanny GB ,Prager S. Diffusion - controlled formation of porous structure in ternary polymer system. JPolym Sci Polym Phys ,1979 ,17 :477 谢谢大家的帮忙！
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