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The downshift of diffraction angle of XRD indicates some precious metals enter crystal lattice of LaMnO3, the crystal sizes of catalysts become larger after precious metal loading; BET and SEM results show sintering happened to catalysts after catalytic reaction.

XRD衍射角向低角度出现了少许偏移，显示负载在表面的贵金属部分进入钙钛矿LaMnO3的晶格结构中，使其晶粒增大；BET和SEM结果表明催化剂在反应后出现了轻微团聚现象。

Refraction regularity of extraordinary ray in uniaxial crystal with arbitrarily oriented optical axis;2. In the case of optical axis of uniaxial crystal being parallel with the incident plane, the angle of refraction of extraordinary ray are calculated by using Fermat's principle.

在单轴晶体的光轴与入射面平行的情形下用费马原理计算非寻常光光线的折射角，然后就怎样定义非寻常光作些讨论，最后在单轴晶体的光轴任意取向的普遍情形下给出计算非寻常光光线折射方向的公式。

This ellipsometric method does not need to rotate the sample azimuthally. The physical parameters of sample are measured under various linear polarized lights through the numerical fitting to its theoretical model. In addition to the orientation of the first layer of nematic liquid crystal is considered, the total phase retardation and twist angle of twist Nematic Liquid Crystal cell are the physical parameters measured by this method.

本论文以椭圆偏极术为基础，在不需转动样本方位角的情况下，以不同偏振方向的线性偏振光入射样本，藉由出射光偏振态的变化，用数值方法拟合出样本矩阵模型参数；我们所量测的样本为扭转式液晶盒，其矩阵模型包含了三个参数：总相位延迟、扭转角及第一层液晶锚定方向。

Formation of defects, similar with anisotropic crystal growth, is also determined by crystal structure.

晶体内缺陷的形成与晶体的各向异性生长相同，都受到晶体结构的制约与影响。

A kind of apophyllite crystal with the important research value is found recently in Huangshi district of Hubei Province in China, and its crystal habit is different from that of apophyllite from other areas.

近年来，在湖北黄石地区发现了具有重要研究价值的鱼眼石晶体，其结晶习性与其它地区的鱼眼石有一定的区别。

It was indicated that the effect of crystal orientation on interfacial stability is because of the different atomic bond number formed in the solidification of liquid atoms on different crystal planes, which affects the decrease of system energy, and affects the effective jump frequency of liquid atom migration to solid interface and solid atom migration to liquid, and finally affects the solute distribution in the front of liquid-solid interface and composition undercooling.

研究表明，晶体取向对凝固界面稳定性的影响是由于液相原子在不同晶面结晶面上沉积时形成的原子键不同，影响了系统自由能的降低，影响了液相原子迁移至固相界面上的有效跳动频率和固相原子迁移至液相中的有效跳动频率，影响了液固相界面前沿的溶质分布和成分过冷所致。

Material: high quality ballpen/Imitate Taiwan crystal/the handwork of skilfull young staff/green crystal glue/we have also Taiwan crystals/CN Swarovski/CZ or AT Swarovski crystals.

高档品牌铜管圆珠笔(笔长约0.85*13.2cm)/高档可换派克笔芯/2.5mm高亮度国产台湾钻/掌柜亲自点钻，确保钻笔品质/无色无味透明水晶胶，粘度强，防掉钻/有台湾钻/水钻/捷克或奥地利产Swarovski钻可供选择。

The first liquid crystal material has birefraction index approximately equal to one half of that of the second liquid crystal material.

其中，第一液晶材料层的双折射率约略等于第二液晶材料层的双折射率的一半。

Based on the birefringent effect of liquid crystal, a liquid crystal Fabry-Perot filter in simple structure is designed and fabricated. This device can be used in wavelength division multiplexing.

基于液晶分子的双折射特性，设计并制作了一种结构简单的可用于波分复用系统中的可调谐液晶法布里珀罗滤光片。

The two classical crystals represented here are ammonium biurate (dark, thorny-apple type crystal), and triple phosphate (clear, coffin-like crystal).

这是两个经典结晶体，其中一个为尿酸铵结晶，另一个为三重磷酸盐。

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。