查询词典 electric current

According to the electric field integral equation of the surface, the recursive solution for the induced current on the slight rough surface is derived using the perturbation expansion of the surface, and the method for computing the interaction field is given.

根据粗糙表面电流积分方程并利用表面微扰展开，得到了微粗糙面表面极化电流的迭代解，给出了耦合电场的计算方法。

High power-have applied to current intermittent discharge, such as tape recorders, razors, electric toys, and so on.

高功率型，适用于大电流间歇放电，如录音机、剃须刀、电动玩具等。

The constitutive equation between current density vector and electric field strength vector is tranformed into s-domain by the principle of Laplace transform,and the inverse Laplace transform is adopted for the explicit equations between them in time-domain. Finally through exponential time stepping,the FDTD iteration equations are obtained,which can be easily solved in discrete-time-domain.

该方法是将电流密度矢量与电场强度矢量之间的本构方程基于拉普拉斯变换原理转到复频域，然后再逆变换到时域得到它们之间显式的方程，最后再结合指数差分，得到离散时域的显式的FDTD迭代方程，解决了本构方程中电流密度矢量的分量相互耦合而不易直接离散的困难。

With this data, we can calculate the resistance, conductivity, ionization voltage and discharge current parameters. This may help us to comprehend more about the electric discharge phenomena.

经由此研究，不但可得碳棒电极间距大小与电压之关系为非直线性，进而获得控制维持电弧持续放电之距离，可应用於金银等电极间或以水等介质作放电的研究。

Carbon nanotubes are used to solve this problem effectively in this project. As controlled DC voltage is applied to the CNTs electrode, the sharp tips of CNTs can generate high electric fields, so it was easy to ionize gas and get larger current at lower voltages.

纳米碳管的出现有效地解决了该问题，在外加直流电压激励下，纳米碳管的尖端会形成很强的非均匀电场，在电压相对较低的情况下能很容易地电离气体且获得较大的放电电流。

Various systems are used around the world. In the case shown above, the shore supply socket on the car has a knife switch to isolate the current collector shoes from the supply. This is to avoid electric shock risks to persons working on or near the shoes.

上面的照片显示的是车辆受电插座上有一个刀开关用于将受电靴与电源隔离，避免工作人员或接近受电靴的人员触电。

Because the electric quantity of electron is negative, according to Lenz's right hand law, the metal electrons on conductor move to the direction, while the positive charges move to the direction, so the direction of current is shown in the graph.

由于电子的电量是负值，根据楞慈右手定则，所以导体上金属电子向着方向移动，正电荷向方向移动，故电流的方向如图中所示的方向。

Electric fields and potentials at various points in the media were calculated using the linear current density.

其他的方法是在简化模型基础上，利用电路理论求解，可以近似

Aiming at the limitations currently existing in controlling mine excavator with magnetic triggers,such as slow dynamic response of system,poor dynamic index and excavator characteristics,as well as complicated structure,etc.,the strategy of double closed-loop excitation electric adjustment,i.e.current inner loop and voltage outer loop,is adopted to design an advanced electronic integrated control system for mine excavator.

目前矿用电铲常见的是采用磁性触发器进行控制，存在系统动态响应慢、动态指标欠佳、电铲特性不理想、结构复杂等缺陷，采用电流内环和电压外环的双闭环励磁电调方案，设计了一种先进的电子集成电铲电控系统，详细介绍了系统电路结构，尤其是电压、电流调节器及其反馈电路与特性适配电路的基本原理和功能特点。

A spectacle-frame type electric hypnotizer is composed of spectacle frame, low-frequency pulse current generator in the box at the position of pad bridges and therapeutic electrodes which are arranged at the positions on spectacle frame, corresponding to the upper and lower orbits and metencephalon.

本发明涉及一种镜架式电睡眠器，包括镜架、设置在镜架鼻托部位盒内的低频脉冲电流发生器和治疗电极。治疗电极设置在镜框上且与上、下眼框相对的位置处及与后脑部位相对的位置处。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。