晶体

The ion-doped crystals have such performance as schillerization ,up-conversion and tunable laser,etc.

ZnWO4单晶是一种优良的基质晶体材料，过渡金属离子和稀土离子能够较容易地掺杂进去，从而使掺杂ZnWO4晶体具有闪烁发光、上转换发光、可调谐激光等性能。

The results show that PbFCl is a new kind of inorganic scintillating crystal with high density and fast decay at room temperature.

实验结果表明PbFCl晶体在室温下是一种高密度、快衰减的新型无机闪烁晶体。

The purpose of this study is to better understand the influence of reflector material and optical condition on the light output of a scintillator in order to get the optimal method to build a scintillator block.

该项研究的目的是在更好地理解反射材料和晶体表面的光学条件与光输出量的关系的基础上，寻找构筑闪烁晶体阵列的最优化方法。

Lead tungstate is the crystal approved as the new generation scintillator in CMS experi...

钨酸铅晶体是欧洲核子研究中心确定为CMS工程所用的探测器晶体材料。

We believe the experimental results obtained from BGO crystal are also suitable for other scintillator materials for which are tried to apply in PET detector applications.

该研究结果虽然是针对BGO晶体的，但是对于在PET应用中使用的闪烁晶体也具有普适意义。

Under the assumption of a sech〓 input pulse, TOD is significant only for pulse widths less than 10 femtoseconds resulting in pulse broadening as well as distinct amplitude oscillations on the leading edge. TOD is positively correlated with its length. The calculations presented here allow for the determination of the maximum thickness of crystal that may be used in the autocorrelation system.

结果表明当脉宽接近或小于10fs时，脉冲才有明显的展宽效应，脉冲的展宽倍数与晶体的长度成递增关系，计算同时给出能基本消除三阶色散的展宽效应的倍频晶体的最大厚度，为进一步实验研究提供了依据。

Based on the qualitative interpretation,the effect of transition segment of a stress-strain curve has been emphasized;phenomenon relating to strain rate effect have been adequately discussed,such as the stress-strain curve of a given strain rate, the increase of strain rate sensitivity of a metal with temperature,the decomposition of strain rate effect and strain hardening and multi-step loading tests.The analyses agree with the existing experimental results and update the knowledge on strain rate effect.

对材料应变率敏感性随温度变化的现象进行了分析，所得结论与现有试验结果相符；对晶体材料在恒应变率加载下的应力应变曲线进行了分析，明确提出了应力应变曲线中受应变率直接影响部分—过渡段的概念；结合位错运动分析，对恒应变率加载下晶体材料的应力应变曲线进行了解释，深化了对应变率效应的认识；提出了应变率效应与应变硬化效应可分别研究的观点，完善了对应变率效应细观机理的认识。

The antifibrillationof Lyocell fibers is treated with vinyl monomer and the degree of fibrillation is estimated by singeing grade.

在实验结果的基础上，提出了碱处理纤维准晶区发生了准晶体解体和晶体再生长的理论假设，并从理论上分析了碱处理纤维聚集态结构的改变。

The bulk of solid-state physics theory and research is focused on crystals , largely because the periodicity of atoms in a crystal — its defining characteristic —facilitates mathematical modeling, and also because crystalline materials often have electrical , magnetic , optical , or mechanical properties that can be exploited for engineering purposes.

固体的内部结构和运动形式很复杂，这方面的研究是从晶体开始的，因为晶体的内部结构简单，而且具有明显的规律性，较易研究。以后进一步研究一切处于凝聚状态的物体的内部结构、内部运动以及它们和宏观物理性质的关系。这类研究统称为凝聚态物理学。

ABSTRACT In recent years, photonic crystals or photonic bandgap materials have been an important reaserch field in solid-state physics and material science, because of its potential applications in optical communication functional materials.

单分散聚合物乳粒合成及胶体晶体组装和结构研究摘要光子晶体又称光子带隙材料是一类具有良好应用前景的光子信息功能材料，近年来已成为应用物理和材料学研究的一个重要领域。

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。