permittivity

基本解释

There is the permittivity vacuum. It is all up there.
这儿还有真空中的介电常数，看，全在这里。
麻省理工公开课 - 固态化学导论课程节选
This is the permittivity of vacuum.
真空中的介电常数是。
麻省理工公开课 - 固态化学导论课程节选
In addition to that, we have that epsilon nought value, remember that's the permittivity constant in a vacuum, and basically that is what we use as a conversion factor to get from units. We don't want namely coulombs to units, we want that will allow us to cancel out in this equation.
这是电子的电荷，此外，我们有epsilon零，记住这是真空的介电常数，这是我们用来转换单位的转换常数,我们不想用库伦单位，我们希望这个可以在方程中约去它。
麻省理工公开课 - 化学原理课程节选

a measure of the response of a substance to an electric field, expressed as the ratio of its electric displacement to the applied field strength measured in farads per metre ( symbol: )&rarrsee also relative permittivity ,electric constant

介电常数
A perturbation test method of rectangular cavity is discussed for determination of complex permittivity of dielectric materials at microwave frequencies.
本文讨论了测试电介质微波复介电常数的矩形腔微扰法。
物理学
介电常数
When the permittivity ratio of metal and dielectric medium is more closer to -1, the spatial frequency range for propagational fields is wider.
并且电介质与金属的介电常数之比越接近于-1,周期厚度越小,传播场空间频率范围越大。
机械工程
介电性能
The permittivity of the film has a maximum with the increasing of the heat processing temperature.
发现热处理温度对PST薄膜的介电性能有两种相对的影响作用,薄膜的介电电容值随着烧结温度的增加出现一个极大值。
电容率
介电系数
介电常数

介电特性
MethodA permittivity sensor developed in a previous study was used in laboratory to measure the frequency-response data(gain and phase) of 14 biodiesel/diesel blends(0,5%,10%,15%,20%,25%,30%,40%,50%,60%,70%,80%,90%,100%). Correlation between mixratio and frequency-response was analyzed.
方法采用自行设计的一种介电特性传感器,在实验室测量14种混合比(0,5%,10%,15%,20%,25%,30%,40%,50%,60%,70%,80%,90%和100%)的生物柴油与柴油混合燃料的频率响应特性(振幅增益和相位差),分析频率响应特性与混合比的相关性,并用PLS和Stepwise回归法进行拟合,建立混合比的检测模型。
动力与电气工程
诱电率
绝对电容率
介电系数
透电率