The results showed that gas permeation mainly occurs in amorphous region of the PMP, but also in the crystalline region.
结果表明，气体的透过主要发生在PMP的无定形区域，但也在PMP的晶区进行。
It was considered that the mechanical properties of PAN precursor was better when the orientation degree in crystalline region and overall orientation factor were about 0. 9 and 0.8, respectively.
综合考虑取向因子对纤维结构性能因素的影响，认为PAN原丝晶区取向因子约为0.9、总取向因子约为0.8时，纤维力学性能较好。
The early Proterozoic metamorphic crystalline basement and the late stable platform covers are exposed in the Yili-central Tisnshan region.
伊犁中天山区出露早元古代变质结晶基底及晚期地台型稳定盖层。
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