查询词典 crystallinity

The crystal structure of BC in dried and wet states is studied by FT-IR, X-ray diffractometry and CP/MAS solid-state^13C NMR The cellulose Ⅰ(subscript α) and crystallinity index of the bacterial cellulose in dried state are very high compared with the other native cellulose such as cotton and Valonia.

用傅立叶红外光谱、广角X射线衍射、交叉极化／魔角旋转固体核磁共振(CP/MAS^13CNMR)分析细菌纤维素在干态下和湿态下的晶体结构。

The results show that after the treatment, the viscose fiber can not only maintain its own good characteristics, but also have fine aggregating structure, crystallinity and wearability.

研究结果表明，粘胶纤维在经过两种方法处理后，除保持本身优良的特性以外，还具备很好的聚集态结构及结晶度，有着较好的服用性能

Zirconium containing MCM-41 molecular sieves with high surface area, good crystallinity and Si / Zr ratio from 20 -∞ were synthesized in a near neutral condition by using a sodium silicate as silicon source and a zirconyl nitrite as zirconium source.

MCM - 41与传统分子筛比较，最突出的特点是具有 1～ 5nm直径的孔道和 1 0 0 0m2 ·g- 1 左右的比表面，如此宽孔道尺寸的固体材料对于大分子的吸附和催化具有潜在的应用前景[1 - 3] 。

E. , the middle Devonian sedimentary event, which sedimented a suite of epicontinental -coasta1 paraf1ysch formation (the litholcgy was consisted of low fractoin feldspare sandstone and siltstone, and a layer of argilliferous limestone); secondly, the late Variscan magmatic-tectonic event , three biotite diorite batholiths ( previous K-Ar model isotope age was about 220～260Ma and our two -stage common lead isotope age was 260+ 70Ma) and a large number of fracture-controlled quartz diorite veins intrude, and a series of NS distributed tightly complex folds and fractures were developed; thirdly, the late Paleozoic very 1ow grade metamorphism- deformation event, the chlorite-illite crystallinity indices (Δ°2θ) XRD measurements were about 0.25～0.29, which was correlated to the lower part of the anchimetamorphism, and the extremely dense schists were developed throughout the district outcrops

相当于近变质带的下部，并形成切穿矿区几乎所有主要地质体的窃集片理，这与有限相系浅变质碎屑岩的基本宏观地质特征相吻合

Results of DSC determinations show that an adequate content of atactic polystyrene is favourable of the crystallization of isotactic polystyrene,but the addition of more aPS linearly decreases the crystallinity of iPS because of the dilution effect.

DSC测定表明，产物中的无规物有利于等规聚苯乙烯结晶，但对结晶的熔点有降低作用。向产物加入更多的aPS则由于稀释效应而使iPS的结晶度线性下降。

GPC results revealed that the molecule weight of PLA reduced to a certain extent during the processing. DSC scan showed that the crystallinity of the film not been drawn was low, which was propitious to be biaxially drawn in the later process.

通过GPC测试分子量及其分布表明，聚乳酸在加工过程中会有一定程度的降解；DSC分析说明，在现有的工艺条件下得到的厚膜具有较低的结晶度，有利于后期膜的双向拉伸进行，经双向拉伸后聚乳酸膜的结晶度具有较大程度的增加。

During the dyeing , the disperse anthraquinone dyes with low molecular weight promote the decrystallization of PTT fiber, decrease the crystallinity, And moreover, the higher the concentrations of dyes are, the greater the influence on the fine structure is.

分子量小的蒽醌分散染料在高温染色时促进了PTT纤维的解结晶，降低了结晶度，并且随着染料浓度的增加，其影响程度越大。

The crystallinity of soft segments of polytetramethylene ether glycol-based segmented copolymers was investigated by infrared spectroscopy and dilatometry.

本文使用虹外光谱及膨胀计等方法，对聚四亚甲基醚二醇类多嵌段共聚物的软链段结晶性进行了研究。

The results indicated that the cross sections of fibers were porous and the surface had many cross markings, endwise lines. The FT-IR of the three fibers were basically similar. Ramie fiber accorded to the character of cellulose I, and with the highest crystallinity.

实验结果表明，这三种纤维的截面内均有孔隙，同时表面具有横节竖纹；它们的红外光谱图基本相似；苎麻纤维符合纤维素I的特征，且结晶度最高；黄麻的耐热性能最好，其次是苎麻。

The results indicate the membrane prepared in pure water coagulation bath exhibits fingerlike structure, with an increase of the volume fraction of ethanol in coagulation bath leads to a reduction of fingerlike cavities, and in ethanol/water coagulation bath of φ=40% exhibits spongelike structure; the melting points of the fingerlike and spongelike membrane increase by 3.9℃ and 3.5℃ compared to that of raw material respectively, and the crystallinity of the two type membranes increases by 16.1% and 13.5% respectively.

结果表明纯水凝胶浴中所成膜为指状多孔膜，随着凝胶浴乙醇体积分数的增加，膜指状大孔逐渐消失，在φ=40%的乙醇／水凝胶浴中转变为海绵状多孔膜；指状多孔膜和海绵状多孔膜熔点相对于原料分别提高了3.9℃和3.5℃，而结晶度相对于原料分别提高了16.1%和13.5%。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。