The first FDA approval for magnetic field therapy was obtained in 1979.

This rotation that has been found allows us to forward in understanding the Earth's magnetic field.

已经有的这个旋转使得我们能进一步理解地球的磁场.

This paper expounds the influence of magnetic field to discharge beam in WEDM.

叙述了线切割加工磁场对放电通道的影响.

The spherical rotor is suspended by ultrasonic and is very high speed under surrounding magnetic field.

利用超声悬浮使球形转子悬浮起来,然后通过磁场使球形转子高速旋转.

By experiments, viscosity characteristics of MR fluid and rheological behaviors in magnetic field are researched deeply.

通过实验, 对磁流变液的粘度特性和在磁场作用下的屈服应力进行了深入的研究.

the Earth's magnetic field

地球的磁场

A single-phase parallel active power filter based on the harmonic magnetic flux compensation theory is proposed.

提出一种基于谐波磁通补偿原理的新型并联型高压大容量有源电力滤波器.

Magnetic parameters measurement technology refers to magnetic field strength measurement and magnetic flux measurement.

磁参数测量指的是磁场强度和磁通的测量.

A magnetic flux-switching hybrid-excitation reluctance motor is presented.

提出了一种磁力线开关型混合 励磁磁 阻电机方案.

Magnetic flux leakage ( MFL ) inspection is a most successful non-destructive evaluation technique used-service inspection of pipelines.

漏磁 ( MFL ) 检测是油气管道在线检测中应用非常成熟的一种无损检测技术.

The SI unit for magnetic flux is the weber.

磁通量的国际单位是韦伯.

Magnetic Flux Leakage ( MFL ) detectingtechnologyisthe main method of on-line inspection.

漏磁 检测技术是管道 在线 检测的主要方法.

A transformer in its simplest form consists of two stationary coils coupled a mutual magnetic flux.

变压器的最简单形式包括两个磁通相互耦合的固定线圈.

The magnetic flux can flow inside the core with extreme low reluctance.

使磁通以极小的阻力在铁心中流通.

These have important meaning to guide tank floor inspection with magnetic flux leakage technology.

这些对指导实际储罐底板的漏磁检测具有重要的意义.

Our experiments show it is feasible to measure drill hole in oil pipes magnetic-flux.

实验表明这种方法在石油套管射孔质量的检测上是切实可行的.

A series active power filter based on fundamental magnetic flux compensation has been developed and tested.

研究了基于基波磁通补偿的串联型有源滤波器.

And the net magnetic flux entering or leaving a closed surface S is zero.

穿入和穿出一闭合曲面的净磁通为零.

The Magnetic-Flux Leakage Theory is a popular methodinspecting the pipelines " corrosion. "

在针对管道腐蚀检测的方法中, 漏磁通 检测法是使用的十分广泛的一种方法.

The magnetic force caused by the electric current reacts the indicating needle to move.

这种由电流引起的磁力会使仪表指针作出反应而移动.

The test uses magnetic force to control individual containing added magnetic particles.

这个测试用磁力来控制已添加了磁性颗粒的人的小滴被测样品.