晶体

The system was used to study the relationship between the supersaturation of the growing solution and the properties of the crystals grown from different raw materials.

过饱和度实时控制系统提供了一种方法，可以研究在不同工艺条件生长KDP晶体时，过饱和度与晶体生长和性能的关系。

The results show that DKDP crystal can be grown repidly when the supersaturation is at less than, and the defects will become more and more with the increase of supersaturation.

实验证明， DKDP晶体可以在的过饱和度下实现快速生长，但晶体的缺陷随着过饱和度的增大而增加。

Firstly, according to Curie principle, the symmetry of the order parameter is decided by using the symmetry of the crystal before and after phase transition.

在居里原理的基础上，以PZT晶体、钛酸锶晶体和反铁电的简立方晶格模型为例研究了反铁电相变的序参量。

Plasma is a dispersive medium and its equivalent refractive index is related to the frequency of the incident electromagnatic wave and the plasma frequency, so it is feasible to shift the syntonic frequency of plasma defect by changing the plasma parameters, which behaves as a tunable filter.

据等离子体的强色散特性，其等效折射率与电磁波频率及等离子体频率等参数有关，因而可以通过改变等离子参数，使一维微波光子晶体缺陷层的谐振频率发生偏移，实现微波光子晶体的可调谐滤波特性。

The threshold of lithium tantalite under single-shot is found to be 1.84J /cm 2 and the avalanche rate was determined to be 1.01 cm 2 /J by calculation. We found that avalanche dominates the ablation process, while photoionization serves as a free electron provider.

在800nm飞秒激光脉冲作用下，钽酸锂晶体单脉冲烧蚀阈值为1.84 J /cm 2；在此基础上，我们通过建立钽酸锂晶体中导带电子密度演化微分方程，并数值求解，得到了钽酸锂的碰撞电离速率系数为1.01 cm 2 /J ，并得出在钽酸锂表面烧蚀中，光致电离提供种子电子，雪崩电离起主导作用的结论。

Structural stability for selenium and tellurium nanowires is studied by combining first-principles method and empirical approach.

图1晶体Se的结构示意图；晶体Se的结构示意图；Se原子链之间距离与能量的变化关系1。

The light yield and its non-uniformity along the growth direction as well as their relation to the distribution of thallium activators are analyzed.

实验表明，用这种方法所生长的CsI晶体的发射波长、衰减时间和辐照硬度与其他方法生长的同类晶体相同。

The dependence of the output laser intensity and threshold on the temprerature, the effective optical length of the crystal and the reflectivity of the output coupler are discussed.

讨论了晶体温度，晶体的有效光学长度，以及输出镜的反射率等因素对激光输出强度和发光阈值的影响。

Total internal reflection photonic crystal fiber is one kind of PCF.

全内反射光子晶体光纤是光子晶体光纤的一种。

The calculated results of transmission coefficient indicate that this new method can be applied to compute photonic crystal and total internal reflection.

透射系数的计算结果表明，这种新方法可以很好的用来计算光子晶体禁带以及普通的全反射，对于研究一维光子晶体波导非常方便。

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。