查询词典 dielectric

In Chapter Ⅴ, we present a theoretical study of the dielectric behavior of cell suspensions by the Bergman-Milton spectral representation of the effective dielectric constant.

计算还发现即使在系统色散参数趋于零的情况下，表面周期结构也将会引进有效的色散关系，破坏表面模振荡频率的简并。

The studies on dielectric relaxation, dielectric nonlinearity and electrically tunable mechanism on barium stannate titanate ferroelectric ceramics are of both academic and practical importance.

以钛锡酸钡陶瓷为研究对象，开展铁电陶瓷的介电弛豫、介电非线性以及电场可调机理的研究具有重要的学术意义和应用价值。

The result shows that the theory about stationary wave can be used to properly explain the relationship between the spectral structure and the thickness of the dielectric material,the index of refraction of the dielectric and metallic materials composed photonic crystal.

结果表明介质材料的厚度、折射率以及金属材料折射率的虚部对光子晶体光谱的影响可以采用驻波理论较好解释。

Incipient ferroelectrics or quantum paraelectrics constitutes a very unique subject of current interest due to its high value of dielectric constant , low dielectric losses and high degree of tenability by the external electric field and temperature .

等由于其高介电常数，低介电损耗，对外场和温度高度的可调协性等独特的性质和应用价值一直是一类人们广泛研究的晶体材料。

Whispering gallery mode dielectric resonators proposed in 1981 are new type of dielectric resonator which is very suitable for millimeter wave circuits.

边廊模介质谐振器是八十年代初发展起来的一种特别适合于工作在毫米波段的新型介质谐振器。

Formula of coupling coefficient of the whispering gallery modes dielectric resonator with dielectric image guide is derived. Results obtained show good agreement with reference.

本章还根据边廊模的角向行波特性导出了边廊模介质谐振器与介质波导间的耦合系数表达式，并对其进行了数值计算，所得计算结果与文献结果相吻合。

Based on existing theory of dielectric resonator, several difference configuration whispering gallery modes dielectric resonator and the characteristic of coupling between such a resonator and millimeter-wave transmission line are studied by means of electromagnetic theory, microwave theory and microwave circuit theory in this dissertation.

本文在现有的介质谐振器分析理论基础上，利用电磁场理论，微波理论和微波电路理论对几种不同的结构的边廊模介质谐振器和它与传输线间的耦合进行理论分析，并用数值计算的方法分析求解了这些边廊模介质谐振器的电磁参数和电路参数。

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。

It was found that the dielectric loss and dielectric permittivity increases with radiation dose, but increasing is not much, and the antiradiation property of 4501A/glass fiber D3W composite is better than that of TDE-85/glass fiber E composite.

结果发现2种体系透波材料介电性能受核辐射的影响较小，且后者比前者具有更好的抗辐射稳定性同时利用IR，TGA等手段研究了材料介电性能变化的原因。

The invention discloses a dielectric hole-microhole composite material and synthesizing method in the inorganic porous material, adsorbing material and catalytic material technical domain, which comprises the following steps: adopting zeolite molecular sieve as raw material; reacting with sodium bisilicate solution under 30-60 deg.c for 10-300 min; disintegrating particle part of zeolite molecular sieve into piece with microhole structure; adding cetyl trimethyl ammonium bromide as molder; adjusting pH value of mother liquid to 10-12; aging 1-8h; adding in the high-pressure autoclave to do water heat synthesizing reaction at 80-130 deg.c for 24-72h; separating solid; washing; drying; sintering under 500-600 deg.c for 5-10h; obtaining the Si-Al porous material with dielectric hole and microhole composite structure.

本发明属于无机多孔材料、吸附材料和催化材料技术领域，涉及具有介孔-微孔复合材料及其合成方法。其特征是以沸石分子筛为原料，用偏硅酸钠的水溶液在30～60℃反应10～300分钟，使沸石分子筛的颗粒部分解离形成具有微孔结构的碎片，加入模板剂十六烷基三甲基溴化铵，然后调节母液pH值为10～12，老化1～8小时，然后加入高压釜于80～130℃进行水热合成反应。反应24～72小时后，分离出固体，水洗、干燥，然后于500～600℃焙烧5～10小时，得到具有介孔和微孔复合结构的硅铝多孔材料。本发明的效果和益处是所发明的合成方法可用于合成多种沸石结构和介孔结构的复合材料，所合成的材料经过质子交换可以具有较强的酸性，在吸附和催化领域具有广泛应用前景。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。