Polymers are usually semi-crystalline materials in which crystalline and amorphous domains coexist.
聚合物材料多为半晶态，晶畴和非晶畴共存。
On basis of a layered CTRW model the transient photoconductivity in amorphous semi-conductor superlattices is calculated.
本文以层状的CTRW 模型为基础，对非晶半导体超晶格中的瞬态光电导作了理论计算。
X-ray diffraction results indicate that the stacking structure of PLLA is altered, and semi-crystalline PLLA is changed into amorphous structure during the dissolved PLLA in DMSO is redried.
射线衍射结果表明PLLA用DMSO溶解后，在重新干燥的过程中，PLLA的堆积结构会发生变化，半结晶态的PLLA变成无定形态。
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