用压汞法测定了拉伸丝的微孔含量。

The micropore content was measured by mercury porosimeter.

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研究了PMMA/PET共混纤维的可纺性和拉伸性，并测定了拉伸丝的力学性能、取向和结晶结构。

The spinnability and drawability of PMMA/PET blends were studied. The orientation and crystallization structure were measured by sonic velocity method and X-ray diffraction respectively.

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本文对一步法生产阳离子染料可染聚酯（C DP）全拉伸丝（ FDY）的主要工艺技术进行了分折探讨。

The production technology of cationic-dyeable modified PET FDY by one-step process is discussed.

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