研究了冷拉伸对聚酯纤维聚集态结构、聚酯纤维回弹性能的影响，并讨论了PTT纤维的弹性回复机理。
The effect of cold drawing on aggregation structure of PET fiber and the rebounding performance of PET fibers were studied, and the elasticity recovering mechanism of PTT fiber was discussed.
由粉石英制备的硬硅钙石二次粒子球具有中空结构，而白炭黑对应样品则以纤维聚集成的块体为主，成球差。
The secondary particle sphere of xonotlite yielded by konilite is of hollow structure, however, for the carbon white fibrous crystal just stacked densely and balling up is poor.
密质骨骨基质的主要成分胶原纤维和骨盐仍维持原有形态及结构特征，胶原纤维聚集、排列成规则的网状支架。
The main composition of extracellular matrix of compact bone, collagen fibrils and minerals, were preserved in the natural position and structure characteristic.
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