介电系数

The effect of external stress on dielectric function and conductivity is consistent with the effect on absorption spectrum.

外压对介电函数和导电系数的影响计算结果与对吸收光谱的影响是一致的。

On the respect of piezoelectric properties, Mn coexisted as Mn〓 and Mn〓 in PZNPZT system and suitable Mn doping as acceptor improved Q〓 and lowed tan δ greatly, meanwhile, high density assured K〓 out of decrease.

适量的锰掺杂使PZN-PZT体系的机械品质因数Q〓上升和介电损耗tan δ下降，同时瓷体较高的致密度又保证了机电耦合系数K〓不致降低。

The numerical results show that in the matrix of mixing matrix chiral physical change in dielectric constant and magnetic permeability, which have an impact on the reflection coefficient.

数值计算结果表明，在基质中掺加手征体能改变基质的介电常数和磁导率，从而对反射系数产生影响。

Fourth, presents the main factors which affect the dielectric properties after poling and piezoelectric coefficient are the modifiability of the displacement between cation and anion center in oxygen-octahedral structure and the existence of MPB.

第四，提出本系统极化后介电常数及压电系数表现主要影响因素为氧八面体中阴阳离子偏移量的改变量及 MPB之存在。

The second and third structure movements of polymer involving slowpolarization effect is proposed by summing up a wide variety of experiment results, from Gibbsfunction, the parabola type relation between the reciprocal of slow dielectric coefficient andtemperature are obtained, which properly explains the β transition of polymer.

5归纳大量的实验结果，提出了聚合物的慢极化效应联系着二级和三级结构的运动；参照晶体中的软模理论，认为聚合物的β转变源自恢复力系数的软化；采用唯象理论，得出慢介电常数的倒数与温度T的抛物型关系，聚合物的β转变实验结果证明了理论的预言。

And it is systematically investigated about the influence of some parameters variations on the discharge. These parameters are secondary electron emission coefficient, the permittivity and thickness of dielectric layer, the length of gas gap and gas pressure.

对充He的AC PDP单元的多脉冲放电特性进行了模拟研究，并对保护膜的二次电子发射系数、电介质层厚度和相对介电常数以及气体间隙距离与压力等参量对放电特性的影响进行了系统全面而详细地分析讨论。

And modified lead-based perovskites with larger tolerance factor, have less anharmonic coefficient with low frequency polar mode.

改性铅基钙钛矿因为在极化模低频化的同时有更小的非谐性系数，所以能在更大许容因子的情况下获得近零谐振频率温度系数，同时保持高介电常数。

They are wire glass, wooden door and plasterboard. The permittivities are obtained from the coefficients using the time gating that can eliminate the influences from environments.

本文对其传输系数和反射系数进行了实际测量和理论分析，从而导出其介电常数，其中使用了时间栅函数来消除环境对测量的影响。

Since the discovery of significant electrostrictive deformation of PU, the measurement of electrostriction and the basic principles about it were reported recently. A series of thermopolyurethane and their composites with barium titanate were prepared and characterized.

自从发现聚氨酯较大电致伸缩形变后，近年来出现了很多对电致伸缩的基础原理及其测量方法的报道，但是对于聚氨酯弹性体结构以及掺杂高介电常数无机物与电致伸缩系数关系的研究较少。

The dielectric function and complex refractive, reflectivity, and absorption coefficients of anatase TiO2 dominated by electron interband transitions are analyzed in terms of the precisely calculated band structure and density of states.

利用精确计算的能带结构和态密度分析了电子带间跃迁占主导地位的锐钛矿相TiO2的介电函数、复折射率、反射率和吸收系数，理论计算得到的结果与实验测量结果基本一致。

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。