接枝膜的拉伸断裂强度随接枝率的增加而提高，但是辐射自交联无法显著提高膜的力学性能。
The breaking strength of grafted membrane increases with the increasing of grafting degree, but it does not change obviously by self-cross-linking.
本文比较了涤纶长丝的单丝拉伸与复丝拉伸的断裂强度、断裂伸长及分布和初始模量。
The paper studied difference of mechanical properties between single fiber drawing and multifil drawing of PET filament.
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