Base on the theory of electromagnetic field and magneto hydrodynamic, an apparatus of double-driving by magnetic force media with permanent magnet has been designed and manufactured.
根据电磁场和磁流体力学理论，设计制造了以永磁体为工作介质，对金属液具有磁力驱动控制作用的双磁力驱动流体流动控制器。
Based on the analysis software of electromagnetic field, the electromagnetic force which is for high-speed solenoid was calculated by the finite element analysis of electromagnetic field.
应用电磁场分析软件对高速电磁阀电磁作用力进行有限元分析计算。
The field of force associated with electric charge in motion, having both electric and magnetic components and containing a definite amount of electromagnetic energy.
由运动电荷产生的力场，由电和磁西部分构成，具有确定的电磁能量。
The developing level of the technology of producing in-situ gradient composites in outside force field (centrifugal method and electromagnetic separation method)has been reported.
综述了利用外力场（离心铸造法和电磁分离法）制备自生梯度复合材料的研究现状。
Traveling-wave interaction and secondary magnetic field is generated electromagnetic force, which is a straight line to run the basic principles of electric motors.
行波磁场与次级相互作用便产生电磁推力，这就是直线电动机运行的基本原理。
The electromagnetic force acting on the crack in a metal is studied by numerical simulation method. The distributions of electric current, magnetic field and the electromagnetic stress are given.
用数值模拟方法研究了金属裂纹尖端电磁应力的分布情况，给出了电流分布、磁场分布和电磁应力的分布。
The electromagnetic field distribution was studied to explain the increased electromagnetic force after installing permanent magnets in a movable magnetic coils control rod drive mechanism.
为了解释控制棒可动线圈电磁驱动机构加入永磁后电磁力增强的机理，对机构的电磁机理及分布进行了研究。
The expressions of Lorentz's force in an electromagnetic field are derived.
导出了在电磁场中洛仑兹力的具体表达式。
The electric field, magnetic field and electromagnetic force have better penetrated ability but less near-wall strength whiles the propulsion units of wider magnetic poles.
电磁条带较宽的推进单元体所激发的电场，磁场和电磁力都具有更好的渗透效果，但相应同深度场强值较小。
Based on the perfect diamagnetism of superconductor and electromagnetic theory, magnetic field force is used to do work mechanically.
本发明理论是根据超导体完全抗磁性和电磁学理论，用机械办法使磁场力作功。
By way of the current element simplified model, the distribution of magnetic field on armature was calculated, and then the electromagnetic force acted on armature was obtained.
通过应用电流元简化模型的方法，计算电枢上的磁场分布，进而计算电枢所受的电磁力。
In rotating machines, the cause of the electromagnetic torque is the electromagnetic force acting on differential volume of the ferromagnetic material in magnetic field.
旋转电机中电磁转矩的产生，可以从作用在磁场内磁性物质单位体积上的电磁力出发加以说明。
The research results show:in addition to a slightly divergent appear due to the sheet edge effects of the electromagnetic force, the magnetic field intensity is uniform in the most areas of the sheet.
研究结果表明：除了板坯端部由于端部效应电磁力有些许发散，在板坯大部分区域，磁场力呈均匀分布。
It is proved that the electromagneticforce is electromagnetic force, the electromagnetic force is also powerful, andit is only the size of the electromagnetic field.
万有力与电磁力是统一的，同时做大量的实验来证明万有力与电磁力是统一的，万有力是电磁力，电磁力也是万有力，仅仅是大小不同。
It is proved that the electromagneticforce is electromagnetic force, the electromagnetic force is also powerful, andit is only the size of the electromagnetic field.
万有力与电磁力是统一的，同时做大量的实验来证明万有力与电磁力是统一的，万有力是电磁力，电磁力也是万有力，仅仅是大小不同。
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