介电常数

With the analysis of the bond structure of the film as deposited and annealed, we can infer that the increased content of cage structure comprised of Si-O-Si bond with bigger bond angle may be the reason of decreased dielectric constant.

薄膜经过400℃热处理后，其介电常数由3.85降低到2.85，对其FTIR谱的分析指出，薄膜中鼠笼式结构比例的增加可能是薄膜介电常数降低的主要原因。

In this paper, the relationship between volume of cell and temperature for quartz and cristobalite was analyzed.

建立了石英、方石英晶体的介电常数和温度之间的规律，并且发现在从α-β转变过程中，介电常数相关参数都显著变小。

So it has important meaning to factual work to have a thorough understanding of the interrelated concepts of dielectric constant.

首先介绍了介质和导体、半导体的区别，然后解释了介电常数的基本概念，并给出相对介电常数的另一种导出定义。

It was shown that 1%Eu-PZT films have the highest Rayleigh constant, which indicates the minimal interaction of defect-domain walls and high contributions to dielectric and polarization. The high mobility of domain walls, combined with the obvious improved crystallization of 1%Eu-PZT results in the increase of dielectric constant and remanent polarization.

结果表明，1％Eu-PZT薄膜的瑞利系数最大，缺陷与畴壁之间的相互作用最小，畴壁运动对介电常数和极化强度的贡献最大，加之薄膜明显改善的结晶特性，使1％Eu-PZT呈现较高的介电常数和剩余极化强度。

The results show that there are some function relationships between the dielectric constant of solvent and the intensity ratio of Fermi resonance.And the empirical formula was obtained by curve fitting.

研究发现溶剂的介电常数与费米共振的强度比之间存在一定的函数关系，通过曲线拟合得到费米共振的强度比与溶剂介电常数之间关系的经验公式。

The enhancement of dielectric constant is due to the local concentration of equipotential lines when displacement current is dominant at low frequencies.

等效介电常数的增强和介质各组分电导率的差异有关；等效电导率的增强和介质各组分介电常数的差异有关。

The relations of inducing skin current of shielding layer, core voltage and core current with the environment field were obtained. The change of shield layer current wave with grounding state of external shield and core voltage with loading resistance was analyzed. According to the dependence of shield layer current oscillating frequency on electromagnetic wave propagation velocity, conception of transporting line of shield layer-ground with equivalent relative dielectric constant was presented. fited equation of equivalent relative dielectric constant with change of cable height was given.

试验得到九芯电缆屏蔽层感应电流、芯线感应电压、芯线感应电流以及环境场之间的关系；分析了皮电流波形随外皮接地状态的变化，芯电压随负载电阻的变化；基于皮电流振荡频率与电磁波传播速度的关系，提出了屏蔽层-大地"传输线"等效相对介电常数概念，给出了等效相对介电常数随电缆高度变化的拟合式；皮电流计算与测量结果在波形、振荡周期、衰减规律等方面有较好的一致性。

At last, a double-short-circuit method for measuring the complex permittivity of the microwave material is proposed.

再由确定复介电常数的三个方程得到材料的复介电常数。

The fluctuation in the permittivity of the high permittivity phase is very common in practice.

实际应用中高介电常数相介电常数ε〓的波动是普遍存在的问题。

A measurement method of the reflection coefficient of the radome electrical thickness has been introduced.

利用短路波导法测量了材料介电常数和损耗角正切，测量结果显示：介电常数测量的精度和稳定度较高，损耗正切的测量误差较大。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。