介

The influences of forming solid solution, generating new compound and addition of flux on sinterability, phase-structure and microwave dielectric properties of zinc titanate were analyzed.

对钛酸锌介电陶瓷的改性研究进行了综述，分析了形成固溶体、生成新的化合物和添加助熔剂对钛酸锌陶瓷的烧结性、相结构和微波介电性能的影响。

In addition, different reaction parameters have been further studied on the synthesis of cubic mesoporous silica.

这种立方介观结构的磷酸氧锆介观结构材料具有很高的热稳定性。

The angular distribution of the scattering coefficient of the HH polarization is obtained by numerical implementation, the influence of the fractal dimension, the special fundamental frequency, the scale interval, the permittivity of substrate medium, the permittivity and the mean layer thickness of intermediate medium, the root mean square of rough surface, and the frequency of the incident wave on the bistaticscattering coefficient is discussed.

通过数值计算得到了HH极化下双站散射系数随散射角的变化曲线，讨论了分维、空间基频、标度区间、底层介质介电常数、中间介质介电常数和厚度、粗糙面高度起伏均方根及入射波频率对双站散射系数的影响，得到了平面波入射一维带限Weierstrass分形分层介质粗糙面散射系数的分形特征、基本特征、分区特征和随频率变化的特征。

The approximate formula of polarization P and complex dielectric constant ε* are obtained.

建立了铁电液晶SmC*相介电特性的分子理论，求出在外加交变电场作用下液晶系统的自由能密度，得到极化强度〈P〉和复介电常数ε*的近似表达式。

The important parameters for RF circuit suchas dielectric constant, attenuation losses and loss tangent were extracted successfully.

因此， 在CMOS 制程中设计整合被动微波元件时，克服Low k 层好的介电损失将是设计上的ㄧ大挑战，在本计划中提出以步阶阻抗谐振器与共平面波导减少介电损所造成的损失。

Based on lots of video observation tests, there are three motion states of grinding medium in a mill tube, including projection, revolution and autorotation. The movement cycle of grinding medium departing from and contacting with the inner liner is equal to the vibrating period.

在对大量摄像实验反复观测和研究后发现：磨筒内的磨介存在抛射、整体回转和本身自转3种运动状态；磨介与筒壁的抛离与接触是沿着振动方向发生的，此过程是周期性的，其周期与振动周期相同。

In most cases, to design a dielectric subwavelength grating polarizing beam splitter requires multilayer structure to improve diffraction efficiency.

在以介电质次波长光栅来设计并制作极化分光器的文献中，大多需要以多层次波长介电质光栅的结构来提升分光的效率。

Similarly NAC was also protective in a bleomycin fibrosis model. Moreover, amiodarone, a benzofuran compound with redoxcycling properties induces oxidative lung injury.

同时NAC也对由博来霉素所介导的纤维化模型有保护作用；此外，胺碘酮和苯基呋喃类化学物，具有氧化还原环，可介导肺的氧化损害。

The relationship between node degree and average betweenness has the feature of power law, and the phase-transition point of tolerance parameter in the critical behavior of cascading failure is derived theoretically.

实际电网度分布的不均衡性使其对于随机故障具有很高的鲁棒性，对高介数元件的蓄意攻击具有高度的脆弱性，高介数的网络元件是电网中最脆弱且最关键的部分。

Studying dielectric properties of foods,not only can people understand radio frequency or microwave properties of foods,develop dielectric heating equipment which save most energy,but also can make dielectric properties be applied in evaluating food qualities.

对食品介电特性的研究，不仅能使人们了解食品的射频或微波特性，研发出最具节能效果的介电加热设备，而且介电特性可用于食品品质的识别。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。