电介质

And describes the measuring procedures of the contact angle between mercury and solid dielectric by using an experiment.

简单介绍了固液接触的基本理论以及接触角各种主要的测量方法，包括躺滴和悬泡接触角测量方法、Wilhelmy吊片法等，进而通过实验叙述了水银与固体电介质表面接触角的测量步骤等。

Mathematics model of dielectric under uniform electric field is built up, and total current is separated into three parts such as conductive current, instantaneous current and relaxation polarization current, then polarization and depolarization of linear and non-linear dielectric are simulated under step excitation, the results show that nonlinearity of non-linear conductivity is reflected by measuring surface potential attenuation during the process of self-discharge of non-linear dielectric.

论文首先对处于均匀电场下的电介质进行电路建模，把电介质的总电流分为电导电流、位移极化电流和松弛极化电流三部分来分析，然后以此为基础利用Matlab软件中的Simulink平台对直流阶跃激励下线性和非线性绝缘介质的极化和退极化过程进行了仿真，结果表明可以通过测试非线性绝缘介质自放电过程的表面电位衰减来反映其非线性电导的非线性程度信息。

However,there are also slow polarization effects,which can not be described using Maxwell's theory.For the description of both fast and slow polarizations,a concept of boundary screen charges is introduced to avoid the complex electric displacement in dielectrics.Using quantum statistics,the excitation theory of screen charges can explain many properties of electrets and ferroelectrics.

慢极化效应使电介质的极化偏离了麦克斯韦方程组描述的规律，引入边界屏蔽电荷的概念来描述介质的极化过程，可以回避电介质内部复杂的电位移运动，从而能用屏蔽电荷激发的量子统计理论来说明驻极体和铁电体的许多性质。

A plurality of conductors are deposited on a layer of dielectric that is positioned above a first ground shield.

在电介质层上沉积多个导线，所述电介质层位于第一接地屏蔽上方。

From the theory of dielectric breakdown, the mathematic method was used to describe the whole course during which the dielectric captured the electric charges that was immitted by electrode.

从电介质的击穿机理出发，用数学方法描述了电极注入电荷被介质捕获的全过程，详细分析了电介质的击穿特性并得出了电击穿现象的理论公式，通过同成分铌酸锂晶体和掺锌铌酸锂晶体的极化和击穿实验对理论分析的结果进行了验证，试验现象与理论分析吻合较好。

Have discussed liquid dielectric breakdown theory and sundry factors influencing liquid dielectric breakdown voltage, and put forward electric spark discharge model.

论述了液体电介质的击穿理论，分析了各种因素对液体电介质击穿电压的影响，提出了电火花放电模型。

This work gives the general solution for the generalized two-dimensional problem of piezoelectric media, and then presented the solution for the corresponding plane problem as a special example. Moreover, a detailed discussion is made about the relation between two theories.

本文推导了一般各向异性压电介质广义二维问题的 Lekhnitskii 理论，作为其特例，给出了压电介质平面问题的解法；并系统地总结了所建立的 Lekhnitskii 理论与 Stroh 理论的内在联系及各自的特点。

Impedance spectra of a variety of mineral admixture s in dry state as well as in aqueous paste were shown with a view to comparing the difference among them and elucidating the mechanism of their hydration process.

结果表明：矿物掺和料的阻抗值在电介质范围内，但其Cole-Cole图与一般的电介质不同，矿物掺和料的水合过程较水泥的水化过程简单，但也存在初凝阶段和终凝阶段

This concept has a name: Dielectrics (hence the specialized Dielectric shader that we will use soon).

这一概念有一个名字：电介质（稍后我们将使用电介质材质）。

ABSTRACT It is always the main topic in dielectrical physics for study electrical aging and breakdown of dielectrics.

强电场下电介质的电老化和击穿一直是电介质物理研究的主要课题。

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。