电动势

体系中成分不同区域的费米能级差导致电子从费米能级高的区域流向费米能级低的区域，正是费米能级差构成了镁合金电化学腐蚀的电动势。

It is just the difference of fermi levels that forms the electrodynamic force of the electrochemical corrosion in magnesium alloys .

基于反电动势测速的直流电动机PWM调速系统的设计

PWM Speed Control System of DC Motor Based on Speed Measuring by Counter Electromotive Force

总之，感应电动势滞后于电流。

In a word , the induced e. m. f. lags behind the current .

这一电动势与晶体的自发极化Ps同时存在。

This BMF coexists with the spontaneous , polarization P3 .

H型钢梁翼缘感应电动势随应力变化实验研究

Experimental Investigation of Induction EMF Changing with Stress for H-Section Steel Beam Flanges

电动势法测定冰晶石-氧化铝熔体中Al2O3的平衡分解电压

Measurement of Equilibrium Decomposition Voltage of A1_2O_3 in Cryolite-Alumina Melt by EMF Method

计算了反应过程中形成原电池的电动势E、反应吉布斯自由能ΔG等。

The electro - motive force of electric cell produced by reaction and Δ G are calculated .

氧分压对ZnO薄膜温差电动势的影响

Effect of Oxygen Partial Pressure on the Thermoelectromotive Force of ZnO Thin Films

本文还讨论了如何在工业铝电解槽上利用反电动势法测定Al2O3浓度的问题。

How to measure Al_2O_3 concentration in industrial cells from cemf was also discussed in this paper .

电动势法测定Na2SnO3的生成自由能

Free energy of formation of na_2sno_3 by EMF measurement using β - alumina solid electrolyte cell

ZnO是两性氧化物，在溶液中能够引起电动势和电流的变化。

ZnO is an amphoteric oxide , it can cause electromotive force and currents changes in solution .

字母I代表电流的安培数，E代表电动势的伏特数，R代表电阻的欧姆数。

The letter represents the current in amperes , E the electromotive force in volts , and R the resistance in ohms .

Na｜β－Al＿2O＿3｜Na＿xHg＿（1－x）（液态）电池电动势的测量和计算

EMF measurements and calculations on na | β - al_2o_3 | na_xhg_ ( 1-x )( liquid ) cellsunchengwen

Hap在不同pH下的表面电动势ζ均为负值，且随pH的增大，负电性增强；

The ζ potential of Hap is negative in varies pH , and the electronegative increases as pH increases .

不含Fe2O3的CDZ固体电解质可对电动势作出快速响应。

The CDZ electrolyte free of Fe_2O_3 gives fast response in EMF .

本文测量了从77°K到470°K非晶硅的电导率和温差电动势率随温度的变化。

This paper deals with the measurement of conductivity and thermoelectric power of amorphous Silicon in the temperature range from 77 ° K to 470 ° K.

本文介绍一种应用MOS集成电路测量可逆电池电动势的新方法。

A new method of measuring the electromotive force of reversible cells using MOS intergrated circuit is presented .

RL电路的自感电动势分析及实验设计研究

The analysis of self-induced EMF in RL circuit and its experimental design

RL电路断电过程中影响自感电动势最大值的因素分析及实验验证

An analysis of factors that impact maximum self-induced EMF in open RL circuit

补偿电动势在直流叠加法在线检测XLPE电缆绝缘老化技术中的应用

The Application of Compensating Potential in DC Superposition Method of On Line XLPE Cable Detecting Technique

IPM同步电机扩展反电动势转子自测角研究

Study on Self-detecting Angular of Interior Permanent Magnet Synchronous Machine by Estimating the Extended Electromotive Force

退火处理对CdIn2O4薄膜光电特性的影响及温差电动势的研究

Annealing effect on photoelectric property of CdIn_2O_4 thin film and its thermoelectromotive force

运用感应电动势法（EMF）对准光栅格阵列进行分析，给出了平面栅格的等效电路模型。

The equivalent circuit model of planar grid is obtained based on the analysis of quasi-optical grid arrays using EMF method .

本文在应用基尔霍夫定律（Kirchhofflaw）的基础上引进了等效电动势的概念，建立起一种求解复杂电路的新方法，这种方法可以使求解过程简化、

The concept of equivalent electromotive force is introduced based on Kirchhoff Law and a new method to solve complicated circuits is found which can simplify the solving proce - dure .

对于电动势法，选择了合适的模型，并对模型中的参数进行辨识，运用MATLAB对模型加以验证，最后建立电动势算法，离线验证获得了比较好的估算效果。

For electromotive force method , good estimation results are achieved in the off-line verification after choosing proper models , identifying parameters of models , verifying models by MATLAB and building the algorithm .

在电路参数方法中，通过电动势、动态电感和电阻来描述发电机的特征，每个特征均通过FEM有限元方法在各自的时间步长内解决。

In the circuit parameter approach , the electrical machine is characterized by the electromotive force , dynamic inductance and resistance , which are solved by FEM at each time step .

电机转子绕组匝间短路故障是电机常见故障之一，本文在分析电机转子绕组匝间短路故障机理的基础上，设计了基于DSP的高速数据处理系统，采集了气隙电动势信号。

The paper analyze the rotor winding inter turn short circuit fault mechanism and design high speed data processing system based on DSP . The system can collect the air gap EMF signal .

以pH电动势法测定为例，详述了测定单离子活度aH+的原理、方法和其中存在的问题。

With the pH determination as an example , the principles and methods in the determination of single ion activity a H + , the problems arising from the determination have been presented in detail .

对RL电路的暂态过程中影响自感电动势最大值的因素进行了理论分析，并应用不同的仪器和方案进行了实验验证。

A theoretical analysis is presented for the factors influencing maximum self-induced EMF in transient process in RL circuit .

最后，根据感应电动势的原理，通过增加感应线圈元的数量进一步得到了n个有限长多层螺线圈元串联顺接电感的计算公式。

Finally , based on the principles of the induced electromotive force , increase the number of induction coil element in order to get n finite-length multi-layer solenoid coil inductance element in series , linking and reverse the formula .