研究了喂入粗纱间距、捻系数与成纱性能的关系，测试分析了聚丙烯腈预氧化纤维涤纶长丝包芯纱的性能。
Relation among feeding roving gauge, twist factor and yarn property were researched, property of polyacrylonitrile preliminary heat treatment in oxidizing polyester filament core-spun yarn was tested.
为加快聚丙烯腈纤维的预氧化速度，采用催化剂处理方法，借助于DS C曲线来评定催化效果。
Catalyst processing method is used to speed up the preoxidation of polyacrylonitrile fibre. The catalysis results are evaluated with the aid of DSC curves.
本文用在位X-射线衍射技术研究了PAN（ 聚丙烯腈） 纤维的预氧化过程。
The preoxidizing process of polyacrylonitrile (PAN) fiber is investigated with in-situ X-ray diffraction techniques in this paper.
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