势的

When a rotating voltage vector is injected to the motor at standstill, there is a microinching when the voltage phase is line to the direct axis of the motor. Then the current will decrease due to the back electromotive force. The initial mover position is identified by this change.

电压相位和电机直轴重合时，产生的电磁推力超过负载阻力，电机有一微动，由于反电势的作用电流就会降低，通过检测电流矢量的变化来估计动子的初始位置。

By means of image theory and potential superposition principle,this paper presents the analytic solution of water cresting height and lateral distance from wellbore under steady flow,and optimizes the optimum wellbore placement.

该文利用镜像反映和势的叠加原理，给出底水油藏水平井稳定渗流情况下不同时刻和临界条件下底水脊进高度和水脊面距井轴的侧向距离的解析解，同时结合矿场实例给出实际优化水平井最佳井筒位置，其结果和方法对底水油藏水平井油藏工程设计和理论研究具有一定的指导意义。

It also discusses how to measure the ζ_electric potential of such surface electric charge s.

本文以物理化学理论为指导，实验为基础，较详细地介绍了矿料遇水后，表面电荷的起因、表面电荷的性质和ζ电势的测定，从而说明沥青与矿料间的相互作用机

By use of the relationships between the hermite polynomial and the laguerre polynomial, the eigenequations of one-dimensional harmonic oscillator and hydrogen atom are conversed into the same equations in form.

同时本文利用SU(1，1)代数将二维、三维情况下的谐振子同加了反平方势的氢原子分别表示成具有相同形式的两算符下的本征值方程，从而得出

In a group, you detect well that those men of rank and wealth have an experience of ill-got fortune; those men of high position all are obsequious experts.

在一个团体中，那些有钱有势的人，你清楚地了解，他们那些横财至使他们致富的经历。自于那些位居高位者，又有那一个不是吹牛拍马屁的专家。

Given the recent change of control in Congress, popularity of measures like increasing the minimum wage, and efforts by California' governor to offer universal health care, these guys don't need their own personal weathermen to know which way the wind blows.

这群有钱有势的人可能是通过表达对中产阶级的挣扎的同情，进而逃避没收性税务政策。

To solve the velocity potential,we used an integro-differential equation.

采用关于扰动速度势的基本积分微分方程，并采用双曲面形状的面元以消除面元间的缝隙。

The materials are gold mine of low sulfur content, calcine or gold contain abatement. Cyanogens lixiviant is alkaline thiourea, stabilizer is sodium sulphite or sodium silicate, they constitute high stability alkaline thiourea system, and bland oxidizing agent is potassium ferricyanide with moderate electric potential during sunking process.

本发明以低硫含量的金矿、焙砂或含金废料为原料，以碱性硫脲为无毒的代氰浸出剂，以亚硫酸钠或硅酸钠为稳定剂，组成高稳定性碱性硫脲体系，浸出过程中以具有适中电势的铁氰化钾为温和氧化剂。

The absolute value of their oxidation and reduction potential is low. This shows that it is easy to inject both the hole and electron.

循环伏一安研究显示它们的氧化还原电势的绝对值都较低，表明它们的空穴和电子注入都相对容易。

RESULTS: We obtained the changes of the magnetic potential on the border and the distribution of the excited coil and the trend of the magnetic potential on the border.

结果： 获得了该模型的有限元方程、激励磁场的分布和边界上磁势的变化。

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。