晶体

The surface zeta potential＇s variation of the hard kaolins as a function of pH is almost the same asthat of the soft kaolin.

摘 要：研究了硬质和软质高岭土中的高岭石晶体结构、晶体形态与表面性质之间的关系及其对浮选行为的影响。

The dispersion properties of photonic crystal fibers are investigated using a fully vectorial effective index method that we proposed.

首次提出了研究光子晶体光纤色散特性的全矢量有效折射率模型，并研究了光子晶体光纤包层基模的分类。

A large mode area core erbium doped K9-glass single-mode photonic crystal fiber is designed by getting the pump and signal intensity profiles from plane wave expansion methodand solving propagation-rate equations.Its diameter is 20μm,limit ellipticity error is 94.7%,and limit offset of inner ventage is 0.1μm.Then we analyze its amplifier characteristics.

根据平面波展开法给出泵浦光和信号光本征模场分布，结合速率方程和功率传输方程设计一种大单模尺寸的实芯掺铒K9玻璃大模式面积单模光子晶体光纤，芯径为20μm；分析其椭圆度容差为94.7%，最内层小孔最大允许偏移量为0.1μm；分析了掺铒K9玻璃光子晶体光纤放大器的放大特性。

The results of XRD and ED show that the crystal structure of CdSquantum dots synthesized in water solution is wurtzite structure.

通过X射线衍射谱、电子衍射花样的研究表明：水溶液法制备的CdS量子点纳米晶体具有纤锌矿的晶体结构。

AlN is an important Ⅲ－Ⅴ compound semiconductor material with wide band-gap, which has wurtzite structure too.

氮化铝是一类重要的宽带隙Ⅲ－Ⅴ族化合物半导体材料，其晶体结构为纤锌矿型，同ZnO的晶体结构相同。

The presence of boron was primarily ascertained by the color of crystal, X-ray diffraction and Raman spectrum.

通过晶体的颜色、X射线衍射以及Raman光谱可以初步断定合成出的金刚石晶体中确实含有硼元素。

So Yb:YAG is one of the most promising laser crystals.

Yb：YAG晶体是一种最具潜力的激光晶体。

The invention is characterized in that it dops ytterbium and zinc in lead tungstate crystal, which greatly improves its optical properties on the basis of retaining original good properties of lead tungstate crystal.

本发明在钨酸铅晶体中掺杂元素镱和锌，在保留钨酸铅晶体原有优良性能的基础上，大幅度改善其光学性能。

Based on the theory of stimulated polariton scattering, adopting reported experimental conditions that generate tuning terahertz wave utilizing nonlinear optical parametric oscillation as the theoretical analysis model, taking GaAs, GaP, InP, ZnTe crystal as representative, the absorption and gain characteristics in zinc blende crystal are calculated, and the output tuning characteristics of terahertz wave are also analyzed.

基于受激电磁耦子散射原理，采用已报道的利用非线性光学参量振荡方法产生可调谐太赫兹波的实验条件作为理论分析的实验模型，以GaAs、GaP、 InP、ZnTe晶体为代表，计算分析了在闪锌矿晶体中参量振荡产生太赫兹波的吸收、增益特性，对输出THz波的调谐特性给出了详尽分析。

Super-fine K-doped Li2ZrO3 powders were synthesized via the citric acid-ethylene glycol complexing, with the nitrates of lithium, zirconyl and potassium as the materials. Then, the precursor of K-doped Li2ZrO3 and the K-doped Li2ZrO3 powders were characterized by means of TG-DSC, XRD and SEM. Moreover, the thermal decomposition of the gel and the formation of the tetragonal crystalline form were analyzed.

采用柠檬酸－乙二醇络合法，以硝酸锂、硝酸氧锆、硝酸钾为原料制备了掺钾Li2ZrO3超细晶体粉末，采用TG-DSC、XRD、SEM等方法对掺钾Li2ZrO3的前驱体及掺钾Li2ZrO3晶体粉末进行了表征，分析了凝胶的热分解变化过程和四方晶形结构的形成过程。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。