查询词典 crystallinity

The bio-structure, fiber morphology, relative degree of crystallinity, chemical composition, pH value and buffer capacity and other basic characteristics of Vetiveria zizanioides were studied as industrial raw material for straw-based panel production.

从开发利用香根草作为人造板工业原料的角度，研究其生物构造、纤维形态、相对结晶度、化学组成、pH与缓冲容量等基本特性。

P3HT films cast from mixed solvent showed higher crystallinity, clear vibronic features in absorption spectra and narrower emission bandwidth in photoluminescence spectra.

高分子在利用混合溶剂所制备的薄膜中展现较高的结晶性，其吸收光谱的振动特徵峰亦较显著。

This is because when BaTiO_3 volume fraction is higher than 50%, the crystallinity of PVDF is low and the film quality deceases.

这是因为随着BT的含量的增加，PVDF不能很好结晶，复合厚膜的微观结构也出现较大孔洞，材料彻底失去弹性。

The quantitative study is conduted on the XRD data of clay minerals in 15 mudstone samples from the Well Ancan 1 in Hefei Basin, and the testing results of illite crystallinity and illite/smectite interlaying reveal the stratigraphical diagenesis degree and thermal evolution degree of the strata met by the deep well drilling.

文章对合肥盆地安参1井内15个泥岩样粘土矿物进行了X射线衍射分析，从获得的伊利石结晶度和伊／蒙混层比测试结果，揭示了该深井所钻遇地层的成岩程度和热演化程度。

Top sintering material preheats for a short time、sinter at lower temperature、cools too fast and has low crystallinity, especially, network SFCA offorms difficultly in the top layer, that results in high ratio of pore, so the strength of top sinter is low. when thickness of sintering material is increased, the ratio of top sinter will be decreased, in its entirety, the strength of sinter will rise.

5烧结矿破碎属脆性断裂，一般在单轴压缩应力下受剪切产生，本文基于低氟烧结矿物质组成，导出了基体抗压强度与烧结矿物质组成的关系式，由此得出，基体抗压强度受磁铁矿影响不大，而受铁酸钙影响较为显著。

Pseudo-boehmite was prepared with nitric acid and sodium aluminate under the same precipitation conditions but different ageing and washing conditions. The influences of ageing temperature, ageing time and ageing media were studied. It was shown that pronging the ageing time and increasing temperature lead to improve crystallinity of PB., the pore diameter of PB can be increased after NH4HCO3 is added in the ageing medium.

在相同成胶条件下利用铝酸钠溶液和硝酸制备拟薄水铝石，而在不同条件下进行老化，研究了老化温度、老化时间及老化介质的影响，结果表明延长老化时间、提高老化温度和老化pH值有助于结晶度的提高，使用NH4HCO3等具有扩孔作用的溶液作为老化介质会降低产品的堆密度和增加孔径、孔容、比表面积。

In this experiment,X-ray diffraction apparatus was used forthe first time to examine and research on microdensity,crystallinity and microfibril angle.Through research on the radial variation of bamboo microdensity,this paper points out the conceptions of bamboo hull density and bamboo pulpdensity,and this provides basis for the multiple layer utilization of bamboo.Using computer image-processing technology to carry on precise examinationvolume fraction of bundle sheath,that is key factor to reveal the relationshipbetween bamboo structure and properties.For the first time using resonantvibration means to test the dynamic elastic module,the result shows very ideal.And for the first time researched on the variability of electric conductivityproperty of bamboo.

在本次实验中，首次使用X射线衍射仪对竹材的微密度、结晶度、微纤丝角进行测定和研究，深入研究了竹材微密度的径向变异规律，首次提出竹青密度和竹肉密度的概念，为竹材的径向分层利用提供依据；首次使用微机图象处理技术对竹材的组织比量，主要是纤维束比量进行了精确测定，从而为揭示竹材结构与材性关系打下基础；首次使用共振法对竹材的动态弹性模量进行测定和研究，测量结果是比较理想的；首次研究了竹材导电性的变异。

The crystallinity of wet-spinning PAN precursor fibers gradually reduces during preoxidation process, while it gradually increases during carbonization process.

湿纺PAN原丝的结晶度在预氧化过程中逐渐降低，在碳化过程中随着碳化温度的升高逐渐增加。

The preparative technique of solid lubricant is cold-press sintering method.The micro-structure , friction surface, lubricant transfer film surface of base material was characterized by SEM; XRD was used to do phase analysis. The degrees of crystallinity of pure PTFE under the different conditions of water cooling, air cooling and furnace-varying cooling were made comparison by XRD. The thermal stability of pure PTFE and solid lubricant was analyzed by DSC-TG; The composition and valence state of elements in the surface of carbon fiber ,solid lubricant before and after friction test and lubricant transfer film were characterized by XPS; The frictional property of solid lubricant was tested by pin and disk test rig .

用SEM表征原料微观结构、摩擦表面及润滑转移膜表面形貌：用XRD进行原料物相分析，及比较水冷却、空气冷却、随炉冷却三种工艺条件下的纯聚四氟乙烯树脂的结晶度；用DSC-TG分析纯聚四氟乙烯树脂及固体润滑剂的热稳定性；用XPS表征碳纤维表面、固体润滑剂摩擦前后表面、润滑转移膜表面的元素组成、价态变化；用销盘式摩擦磨损试验机对固体润滑剂进行摩擦性能测试；采用专用的台架模拟试验机对固体润滑剂镶嵌轴承套与钢轴摩擦副间的摩擦磨损性能进行测定；用莱次偏光显微镜测试固体润滑剂的硬度；用材料试验机测试固体润滑剂的抗压强度等。

The high dielectric constant, low dielectric loss and leakage current density may originate from the good Purity and crystallinity of the films.

较高的介电常数、较低的漏电流密度可能源于良好的纯度和结晶度。

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。