为了研究原丝中片层微观组织的演变性，借助电子显微镜，跟踪了片层组织结构在纺丝、预氧化和炭化过程中所发生的变化。
This article follows up the change of lamella structure in PAN fiber spinning, preoxidation and carbonization process using electron microscope in order to find the evolution of sheet structure.
浆点粘合衬布用增稠剂应具有较高的增稠能力，适中的触变性，还应有一定的曳丝性。
The thickening agents used in hot-melt paste for fusible interlining should have higher thickening function, moderate contact thixotropy and filament dragging ability.
本文应用拉伸法对彩虹丝的蠕变性能进行测定。
This paper, using tensile way tests the nature of creep of rainbow silk.
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