结晶

Research results of phase equilibrium for the KOH—K〓CrO〓—H〓O system, the KOH—KAlO〓—H〓O system and the KOH—K〓CrO〓—KAlO〓—H〓O system revealed that lower concentration of KOH was beneficial for the crystallization of KAlO〓, and within a certain range, higher concentration of KOH was favorable for the crystallization of K〓CrO〓.

KOH—K〓CrO〓—H〓O体系，KOH—KAlO〓—H〓O体系和KOH—K〓CrO〓—KAlO〓—H〓O体系相平衡研究结果表明，较低的氢氧化钾浓度有利于铝酸钾结晶析出，一定范围内，较高的氢氧化钾浓度有利于铬酸钾结晶析出，因此，通过控制氢氧化钾浓度可以使铬酸钾—铝酸钾—氢氧化钾得以分离。

The degree of crystallinity of PTMO and the lamellar thickness of the crystallites were found to increase with increasing λ.

拉伸对体系中非结晶的高频分子运动并没有明显的影响，拉伸使得结晶区更加趋于完善。

The experimental results show that:(1) the primary salt forming regions of K2SO4, Leonite, Langbenite and MgSO4H2O were observably different from those in Equilibria Phase Diagram.

实验结果表明：(1)该体系K2SO4，Leonite，langbenite和MgSO4H2O等盐能够形成初级晶核的初级成盐区与溶解平衡相区存在明显偏离，其中K2SO4成盐区域缩小，而Leonite和MgSO4H2O结晶区域均有不同程度的增大；(2)在蒸发结晶过程中，成盐晶种的存在使该盐的成盐区比初级成盐区有所扩展；(3)由于成盐区的扩展，使成盐区域出现不同程度的交错。

Experimental result makes clear:(K2SO4 of 1) this system, leonite, what the salt such as Langbenite and MgSO4.H2O can form primary nucleus is primary the area that become salt and area of deliquescent balance photograph are put in apparent deviate, among them K2SO4 narrows into saline area, and the accretion that Leonite and MgSO4.H2O crystallization area all have different rate;(2) is evaporating in crystallization process, the existence that plants into saline brilliant makes the area becoming salt of this salt is compared primary the area that become salt expands somewhat because;(3) becomes saline division patulous, salify area appears the crisscross of different level.

实验结果表明：(1)该体系K2SO4，Leonite，langbenite和MgSO4.H2O等盐能够形成初级晶核的初级成盐区和溶解平衡相区存在明显偏离，其中K2SO4成盐区域缩小，而Leonite和MgSO4.H2O结晶区域均有不同程度的增大；(2)在蒸发结晶过程中，成盐晶种的存在使该盐的成盐区比初级成盐区有所扩展；(3)由于成盐区的扩展，使成盐区域出现不同程度的交错。

With keeping pH 11 and using manganous sulfate or ferrous sulfate as catalyst, the obtained LCVL was oxidized with air at 80℃ for 8 hours to get crystal violet lactone.

然后在过渡金属和有机氮化合物的存在下，在碱性溶液中，于70-80℃用空气氧化，将无色结晶紫内酯转变成结晶紫内酯，所得产物熔点为177-179℃，产率为90%左右。

Using manganous sulfate(MnSO4) as raw material,ammonium hydrogen carbonate(NH4HCO3) as precipitating agent and sodium dodecyl sulfate as particle size controller and through the process of quick addition of MnSO4 and NH4HCO3 solutions at same time,monodisperse submicron manganous carbonate(MnCO3) spherical particles were prepared by controlling suitable reaction crystallization conditions.

以硫酸锰为锰源，碳酸氢铵为沉淀剂，十二烷基硫酸钠为粒径控制剂，采用硫酸锰和碳酸氢铵两种溶液快速同时加入的方式，通过控制合适的反应结晶条件，制备出亚微米级单分散球形碳酸锰颗粒。借助扫描电镜、X射线衍射、粒度分析仪等研究了反应结晶条件对碳酸锰粒径和形貌的影响。

DSC and WAXD studies showed that the block copolymers were meltable, and due mainly to the flexible nylon6 segments.

采用DSC热分析的方法，结合WAXD，研究发现，所合成的嵌段共聚物具有可熔融的性质，主要的转变来自柔性的尼龙链段；通过对聚合物空间立体结构的改造，分子链中间位结构的引入以及两嵌段组分分子间和分子内的相互作用强烈影响嵌段共聚物的结晶行为，使结晶更不完善，晶体结构更为疏松，自聚集倾向在很大程度上得到抑制。

By means of FTIR,SEM,DSC,TGA and XRD,we studied the microstructure,particle shape,meltage temperature,decomposition temperature and crystal degree,and gained better understanding about influences of different degrees of substitution on microstructure and thermal property of starch acetates.

用傅立叶红外、扫描电镜、差示扫描量热、热失重和X射线衍射测试技术对淀粉醋酸酯的结构、形貌、熔融温度、分解温度和结晶度进行表征，分析了不同取代度对醋酸酯淀粉的热性能及其结晶结构的影响。

H2SO4. By means of FTIR, SEM, DSC, TGA and XRD, we studied the microstructure, particle shape, meltage temperature, decomposition temperature and crystal degree, and gained better understanding about influences of different degrees of substitution on microstructure and thermal property of starch acetates.

用傅立叶红外、扫描电镜、差示扫描量热、热失重和X射线衍射测试技术对淀粉醋酸酯的结构、形貌、熔融温度、分解温度和结晶度进行表征，分析了不同取代度对醋酸酯淀粉的热性能及其结晶结构的影响。

Shearing force can induce molecular orientation with different mesomorphic behaviors at different temperature. Electric field induce biphenyl mesogens align parallel to the direction of applied electric field.

通过本论文的工作，阐述了含联苯液晶基元的硬主链型侧链液晶聚炔及其单体的结晶与液晶行为、结晶形貌和外场诱导的分子取向行为，为开发新型高性能材料提供必要的结构依据。

Fancy gold-plated dangling earrings with facetted White Opal crystals.

花式镀金悬垂耳环与facetted白欧泊水晶。

This essay chooses the study aim from biology teachers in middle school in Shi Jiazhuang which tells us that most of the middle school biology teachers in Shi Jiazhuang have the"burnout", lower successfulness, individualize.

本文选取石家庄市初中生物教师作为研究对象，运用问卷调查的方法对石家庄市初中生物教师职业倦怠的现状进行调查，调查结果发现，石家庄市初中生物教师这一群体普遍存在职业倦怠，情感枯竭程度偏高，成就感偏低，去个性化程度最为严重。