海量图书期刊资源，随时随地畅享阅读乐趣
Coupled diffusion of water and ethanol in a polyimide membraneXiuyuan Ni; Xiaohui Sun; Dong Ceng; Fengjun Hua · 2001
Block copolymer of trans-polyisoprene and urethane segment: Crystallization behavior and morphologyXiaohui Sun; Xiuyuan Ni · 2004