查询词典 impedance

At present,the analytic tools used for the power signals in microcomputer protection include FFT,Kalman filter and finitely shock response filter,etc.They are effective to analyze stationary signals but localizable for unstationary signals analysis.Especially it is difficult to identify nonlinear fault,e.g,the nonlinear high impedance short trouble is along-term unsolved problem of power system.

目前，用于微机保护中的电力信号分析工具有FFT、Kalman滤波器、有限冲激响应滤波器等，它们对于平稳信号的分析是高效的，但在分析非平稳信号中有其局限性；尤其对非线性故障识别困难，如探测高阻抗非线性短路故障便是电力系统一个长期没有很好解决的问题。

In design of formulation of S97 salt-spray and corrosion resistant coatings, AC impedance electrochemical technology is used for determination of pigment volume concentration of epoxy micaceous oxide primer and acrylic polyurethane top coat.

在S97耐盐雾防腐蚀涂料的配方设计阶段，采用电化学交流阻抗技术确定了环氧云铁防锈底漆和丙烯酸聚氨酯面漆的颜料体积浓度，并对S97耐盐雾防腐蚀涂料的防腐蚀性能进行了研究。

X-ray diffraction, scanning electronic microscope, impedance analyzer and piezoelectric workstation were used to determine the crystal structure, micrographic topography, dielectric, piezoelectric and ferroelectric properties of NKN—based ceramics.

利用X射线衍射分析、扫描电子显微、HP4294A阻抗分析仪、压电工作站等对这三个系列样品的晶体结构、表面形貌、介电性能、压电性能和铁电性能等进行了深入的分析、研究和对比。

He impedance change of pulmonary circulation was detected With the esophageal electrodes put in the esophagus below the left atrium of rabbits and the surface electrodes of the thorax in the fifth intercostal space at the right midaxillary line.

将食道电极置于家兔食道下段左房水平以下，将体表同心圆电极置于右腋中线第五肋A间，用食道电极结合体表电极检测肺部血管阻抗变化，此法简称经食道肺血流图。

The results of the simulation showed that the GMI ratio for a sandwich structured film sandwiching high conductive metal layer was several times lager than that for a monofilm, and the maximum impedance change ratio occurred at the frequency of about 10 MHz which was lower than that of single layer film.

模拟的结果表明，中间夹高导电性材料的F/M/F型三明治薄膜的巨磁阻抗效应比同样厚度的单层磁性薄膜的巨磁阻抗效应要大很多，而且三明治薄膜出现阻抗最大变化时的频率大概在10MHz左右，比单层薄膜要低得多。

Secondly, impedance matrix interpolation is employed in MoM with Fast Multipole Method.

其次，将有理函数阻抗矩阵插值技术应用于快速多极子加速的矩量法求解过程。

Electric motor or lamps and lanterns with nastic movement start with minor impedance,and bigger electric current, after installation of the electric saver, the starting current can be reduced significantly, and at the same time, reducing the running current of the light load motor or lamps and lanterns.

电动机或感性灯具在起动时阻抗极小，启动电流较大，安装节电器后，可大大降低起动电流，同时可降低轻载电机及灯具的运行电流。

The weight loss method, electrochemical impedance spectroscopy and surface analysis methods were employed to investigate the corrosion behavior of steel A3 under the combined effect of Streptomyces and Nocardia sp.

采用腐蚀失重法、电化学交流阻抗法和表面分析技术研究了A3钢在链霉菌和诺卡氏菌共同作用下的腐蚀行为。

Results showed that the combined effect of Streptomyces and Nocardia sp markedly increased the corrosion tendency of steel A3, decreased the impedance value and increased the corrosion current density of the electrode after 21 days of exposure.

结果表明，与单种菌相比，混合菌作用下试样表面的腐蚀倾向增大，阻抗值降低，腐蚀电流密度增加。

The reflection and refraction of traveling wave are quite complicated at the sheath-crossing point of high voltage power cable, due to its remarkably noncontinuous surge impedance.

高压电缆的金属护套交叉互联导致行波在多个波阻抗不连续点产生了复杂的折反射行为，这对高压电缆线路的行波故障测距产生很大的影响。

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。