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机译:Comparisons of the rheological behaviors of polypropylene and polymethyl methacrylate in a capillary die
Beijing Univ Chem Technol, Inst Plast Machinery & Engn, Beijing 100029, Peoples R China;
Univ Bradford, Sch Engn Design & Technol, Interdisciplinary Res Ctr IRC Polymer Engn, Bradford BD7 1DP, W Yorkshire, England;