介电常数

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。

Compared with formerly used crude mica and polyquadrifuorethene, Fluorocrytal Mica with its purity has high body resistivity (100 times than crude mica), low loss in high frequency medium ( 1 time smaller than crude mica), moderate dielectric constant, safe use temperature up to 1100℃, good intensity, elasticity, unaging, and consequently good electric stability.

与原来使用的天然云母和聚四氟乙烯比较，氟晶云母由于质地纯净，具有较高的体电阻率（比天然云母高约1000倍），高频介质损耗低（比天然云母小1倍），介电常数适中，且安全使用温度可达1100℃、强度好、富有弹性、不易老化，因而其电性能非常稳定。

When the change in the component of the tested material measured the uniplanar scattering-field capacitive sensor causes the variation of the total dielectric constant ε_x, the measured capacitance C_X will also change.

当同面散射场电容传感器的测量介质的组成成分变化时，会引起总介电常数ε_x的变化，从而，测量电容C_x也随之变化。

During the process of this research, the Otto configuration and KR configuration are used to proceed the special analysis on the chlorine and Halogen-methane, and through the simulative experimental investigation into the tiny variation of dielectric constants of Halogen gas, the resonant angle and depth of absorption of the to-be-investigated gas can be accurately measured. Thus, this optical measuring system can be confirmed with high sensitivity.

研究过程中，我们使用Otto组态与KR组态分别对氯气与卤族甲烷做特别的分析研究，经由卤族气体的微小介电常数差异，透过模拟实验分析后，仍然可以准确的判断出待测气体之共振角度与吸收的深度，所以利用此光学式量测系统来量测可说是具有相当之灵敏性。

Chapter 1 is a brief introduction on the significance of millimeter wave multi-frequency source, its development level at home and abroad, and the main contents of this thesis.

第二章分析了微带线的基本特性，介绍了它的有效介电常数和特性阻抗的设计公式，并对微带不连续性及平行耦合微带线进行分析。

The introduction of whitecap-covered percentage and its relations with effective dielectric constant and depth of whitecap make physical model press close to realism.

在这个物理模型下，白冠层的有效介电常数可通过白冠覆盖率及其厚度与风速联系起来，使理论模型更贴近于现实。

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。

The propagation of electromagnetic pulses in uniform magnetized plasma is studied using the finite-difference time-domain method by means of Z transforms. The Z transform formulation of FDTD method is derived.

通过Z变换的方法，将与频率有关的磁化等离子体的介电常数由频域变换到Z域，推导了Z变换形式的时域有限差分法计算式，模拟了电磁脉冲在磁化等离子体中的传播。

The LBM is believed to be an efficient way to investigate the conductivity and the dielectric constant for the agreement between the simulation of the conductivity of AlBi alloy, the dielectric constant of saturated rock and laboratory experiments of them.

对AlBi合金整体电导率的数值模拟结果和实验结果非常相近。对饱和水岩石的介电常数的计算与实验结果相比误差较小。格子玻耳兹曼方法为混合物的整体电导率的计算提供了一个有效的途径。

The structure to excavate a groove in a cell of the period grating with one alit displays a dent in the transmission spectrum compared with the structure with only a slit in the cell.

金属的介电常数随频率变化关系采用Drude模型。金属光栅每个单元刻蚀有1个亚波长宽度的缝和1个相同宽度的凹槽，凹槽深度可变。

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。