介电常数

This article introduces a parallel board with air interval to measure the degreement of the change of ε, and then to determinate its usable time limit, which can alter traditional oil-changing by time into oil-changing by its quality and can get the best use of its effect and life-span.

为此，应用平行板空气隙电容器测定润滑油液的介电常数来确定润滑油液的变质程度，从而判断是否可继续使用，使传统的按期换油改为按质换油，并使润滑油液获得合理的使用效果和使用寿命。

It shows that some organic liquids, which have higher dielectric constant, small viscosity, and methyl group bound directly with high negative charge atom, are appropriate carbon source for deposition DLC films.

介电常数比较高的、粘度小的、甲基基团直接与极性基团连接的有机介质是合适的液相沉积类金刚石薄膜的碳源。

The results show that permittivity change plays an important part in the capacitance change.

分析结果表明介电常数变化是引起电容变化的主要原因。

Test results show that the permittivity of the films is significantly lower than that of pure PI film and nano carborundum powder, meanwhile, the films have lower water absorption.

结果表明，该复合薄膜的介电常数比纯聚酰亚胺和碳化硅均显著降低，吸水率下降。

The resonance property of the pair of left-handed metamaterial and negative permittivity medium is analyzed in depth, and the results are applied to the design of an improved miniaturized cavity resonator.

通过探讨双负介质与负介电常数介质交叠结构的谐振特性，实现了一种能够同时缩小长度和宽度的改进的小型化谐振腔。

It is shown that while using these arrangements quite a large change in the resonant length and Q-factor of the cavity resonator will be obtained ,when a dielectric resonator is inserted into the evanescent guide.

这两种安排都能使置入介质谐振器前后的谐振腔产生相当大的谐振长度和Q因子的变化，从而能获得准确的介质谐振器无载Q因子和介电常数。

The methods of disturbance, spiral cylindrical cavity and stripline resonator were used respectively for measuring the permittivities for microwave dielectric substrates. The substrates are made from PTFE based fine ceramics, and errors of measurement have been analyzed.

采用微扰法、螺旋圆柱谐振法和带状线谐振法分别对聚四氟树脂复合精细电子陶瓷微波复合介质的复介电常数进行了测量与误差分析。

In Chapter 5,the characteristic impedances of the slot line with low dielectricconstant are computed by spectral domain method.

第五章研究辐射UWB/SP的集成天线，利用谱域法计算了低介电常数基片的槽线的特性阻抗。

The dielectric constant and thermal expansion coefficient of samples increase with the increase of ZnO content.

样品的介电常数和膨胀系数随着氧化锌的增加而增加。

We have made many experiments to measure complex dielectric constant in different quantity of salt.

实测结果表明通过复介电常数的测量可以实现对污秽物等级的区分。

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。