查询词典 dielectric polarization

The dielectric constant-voltage curves and polarization hysteresis loops of BST thin films with different thicknesses were investigated.

采用射频磁控溅射法制备了Ba.6Sr0.4TiO3薄膜，研究了不同膜厚的BST薄膜的介电偏压特性曲线和电滞回线。

The electric parameters of the sample such as dielectric constant, spontaneous polarization magnitude and orientation play an important role in the image contrast.

样品的电学性能参数如介电常数、自发极化强度和取向等的改变对电声像衬度的来源起着决定性作用，对电声成像理论提出了新的解释。

Here, we design a new structure utilizing single layer dielectric subwavelength grating for polarization beam splitting around wavelength of 1.55μm. It also has potential in fiber communication or hybrid optical elements.

因此在本论文中提出一种新的设计，可以利用简单的单层次波长介电质光栅来实现不错的分光效率，具有在光纤通讯波长(1.55μm)上极化分光的效果以及制作复合型光学元件的潜力。

The prepared plumbic strontium titanate is the ferroconductive film with component gradient, the dielectric constant and saturation polarization of which is improved.

所制备的钛酸锶铅是具有成份梯度的铁电薄膜，其介电常数和饱和极化强度与一般铁电薄膜相比都得到了很大提高。

The output of electron acoustic signal in the ferroelectrics is calculated on the basis of their piezoelectric properties. The results show that the magnitude of electron acoustic signal not only related with beam currents, beam power and modulation frequency, but also with sample properties especially electric parameters such as dielectric constant and spontaneous polarization.

本文首次以典型的铁电BaTiO〓材料为试样，从其具有的压电性出发，推导了这类材料的电声信号理论表达式，结果表明电声信号的大小不仅与实验参数如入射电流、入射电子能量以及调制频率等有关。

The results showed that N content increases the sp^3 C-N content and decreases content and decreases the sp^2 C-N. The refractive index and electronic polarization of dielectric constant decreases with increasing N/C ratio.

研究结果表明，随着CN薄膜N/C比的增大，sp^3 C-N的形成受到抑制，sp^2 C-N的形成增多，薄膜折射率以及介电常数电子极化贡献部分降低。

Both theories of "relaxation polarization" and "ion disarrangement" based on dielectric physics are assumed.

其次，研究了交变电场对于含盐水溶液冻结过程的影响。

The scattering by different shape and different media such as dielectric chiral or conduct circular cylider or elliptic cylinder are calculated and RCS curves are maped. The relation between the optimal polarization of the chiral elliptic cylinder and incident angle are maped. In accordance with the map, the information which is useful for radar target identification can be obtained.

对不同形状及参数的导体圆柱、椭圆柱，一般介质圆柱、椭圆柱，旋波媒质椭圆柱的散射特性进行了计算，给出了其RCS的变化曲线，并对极化散射矩阵进行了分析给出了旋波媒质椭柱最优极化的分布图，指出了其可提取用于目标识别的极化信息。

According to thin film polarization effect and eigenmatrix,the Fresnel retarder s achromatic width is expanded by evaporating dielectric membrane in two total-reflection surfaces of the rhomb.

根据薄膜的偏振效应，从薄膜的特征矩阵出发，通过在菱体的两个全反射面蒸镀光学介质膜的方法拓宽了菲涅耳菱体型相位延迟的消色差宽度。

The results obtained form theoretical calculations indicate that the hydroxyl-tautomer predominate in the gas phase or nonpolar solvents, while in solvents of high dielectric constant, the tautomeric equilibria is shift in favor of the oxo-tautomer can be mainly ascribed to the polarization effects.

结果表明，2（1H）-吡啶酮类化合物在极性溶剂中表现出与气相或非极性溶剂中截然不同的的优势结构主要是由于各异构体分子极性上的差异引起的。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。