查询词典 dielectric constant

Relative permittivity is the dimensionless ratio of the permittivity of a material to that of free space; it is also called the dielectric constant.

相对电容率为材料的电容率与它在自由空间的电容率的比值，无量纲；也叫介电常数。

Inverter with shielded cable, use a small dielectric constant, high-pressure polyethylene for insulation.

变频器用屏蔽电缆，选用介电常数小的高压聚乙烯作绝缘。

In this paper, the effect of O2 plasma treatment on the leakage current of Cu/SiCOH integrated structure and the dielectric constant of SiCOH low-k films is investigated.

结果表明，SiCOH薄膜表面经过O2等离子体处理后，虽然SiCOH薄膜材料的介电常数略有上升，但其漏电流却有了明显的下降，有效提高了薄膜的绝缘性能。

Etching the low dielectric constant film includes exposing the substrate to carbon tetrafluoride, oxygen, nitrogen, and argon.

对低介电常数膜进行刻蚀包括使衬底暴露于四氟化碳、氧气、氮气和氩。

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。

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。

To enable the fabrication of thermally stable ultralow dielectric constant film, specific precursor materials are used, such as, cyclic siloxanes and organic molecules containing ring structures, for instance, tetramethylcycloterasiloxane and cyclopentene oxide.

为了能够制造热稳定超低介电常数材料，使用特定的前驱物材料，例如环硅氧烷和例如四甲基环四硅氧烷和环戊烯氧化物这样包含环状结构的有机分子。

To enable the fabrication of a thermally stable ultralow dielectric constant film, specific precursor materials are used, such as, silane derivatives, for instance, diethoxymethylsilane and organic molecules, for instance, bicycloheptadiene and cyclopentene oxide.

为了制造热稳定的超低介电常数膜，使用特殊的前体材料，如硅烷衍生物例如二乙氧基甲基硅烷和有机分子例如双环庚二烯和环戊烯氧化物。

Secondly, some influences of fringing field are taken into account , an effective dielectric constant is introduced ,and the resonant frequency expression is modified as well.

在某些情况下，谐振频率需要被调谐，为此，在基片和地板之间引入一层空气隙，可以改变微带天线的某些性能，特别是谐振频率。

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。