查询词典 dielectric constant

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。

The small concrete blocks and big concrete plate were constructed for the experiment. The dielectric constant and the attenuation index obtained by the first 1 and 1/2 waveforms reflected from the concrete surface are used as the parameters.

研究使用1GHz天线，经由实验分析采用抬高天线与受测物距30cm方式检测混凝土，将测得混凝土反射波形计算出介电常数，并选择反射脉冲波形1又1/2振幅面积来做为量测标的，将火害前后振幅面积计算求得衰减常数，比较火害前后混凝土之差异性。

Sol-gel Autoignition Synthesis, simple, self-cleaning and easy to undertake scale production, is the one of the prospective routes for manufacturing barium titanate powders.BaTiO3 nanopowders with the particle size 20-90nm, specific surface area 15m2/g, fine particle distribution, ratio of Ba/Ti 1.002 and with the dielectric constant more than 3000, were synthesized by SAS BaTiO3-TiCl4-ammonia-citric acid system.

本文自己组装的溶胶凝胶自燃合成系统，利用对Ba(NO_3)_2-TiCl_4-柠檬酸-氨水体系进行自燃合成研究，制备了具有纳米尺度的近球形BaTiO_3颗粒，粒径介于20-90nm之间，比表面积15m~2／g，分布范围较窄，Ba／Ti为1.002，器件介电常数最高达3000多。

The simulation indicates that dielectric constant warp is key factor to the design and preparation of chip mulilayer bandpass filter. The simulations were shown to be in good agreement with the experimental results.

模拟仿真表明：低烧材料的相对介电常数偏差是器件设计制备中的关键要素，仿真优化结果与LTCC试验样品的测试结果吻合较好。

With the analysis of the bond structure of the film as deposited and annealed, we can infer that the increased content of cage structure comprised of Si-O-Si bond with bigger bond angle may be the reason of decreased dielectric constant.

薄膜经过400℃热处理后，其介电常数由3.85降低到2.85，对其FTIR谱的分析指出，薄膜中鼠笼式结构比例的增加可能是薄膜介电常数降低的主要原因。

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 sample with 5% ceria sintered at 925℃ exhibits high relative density (99.1%). The dielectric constant and loss as well as thermal expansion coefficient are 6.7, 0.09% and 3.42×10^(-6)K^(-1), respectively.

添加5%氧化铈的样品在925℃烧结后，其相对密度达99.1%，其介电常数、介电损耗和热膨胀系数分别为6.7、0.09%和3.42×10^(-6)K^(-1)。

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。

The results show that the thermal expansion coefficient, dielectric constant and hardness of the composites increase with the increase of Sr-celsian content.

摘 要：采用电子陶瓷工艺制备了一系列玻璃/锶长石陶瓷复合材料，并对复合材料进行X射线衍射分析、扫描电镜观察和性能测试。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。