The relation of phase between reflection electromagnet wave and incidence electromagnet wave on the boundary 界面处反射电磁波与入射电磁波的相位关系
Turning electric energy into the energy of motion is only part of what the electromagnet does for us 把电能转换成动能只是电磁铁被我们利用的一个方面。
A distinction between positive ( north ) and negative ( south ) magnetic poles of an electromagnet or permanent magnet 一种电磁体或永磁体的南北磁极之间的区别。
Analysis of series ferromagnetic resonance between electromagnet - induced voltage transducer and switched fracture capacitance 电磁式电压互感器铁磁谐振的分析与对策
Break - brake operations have three kinds of break - brake electromagnet , over - current trip and manual button 分闸操作有分闸电磁铁,过电流脱扣电磁铁及手动按钮操作三种。
Excessive amounts of electromagnet waves in the environment due to the widespread use of electricity and electrical equipment 由于广泛使用电力和电器设备,在环境中存在过量的电磁波。
Consequently , bec researchers got accustomed to surrounding their vacuum cells with powerful but cumbersome electromagnets 因此, bec的研究人员习惯在真空腔旁,绕上强力却笨重的电磁铁。
When the coil is energized , the electromagnet attracts one end of the armature mechanism , which in turn moves the contacts 当线圈受到激励时,磁铁就会吸引枢轴机构的一端,从而移动触点。
The generator represents magnetron , packaged with constants and electromagnets ( 2 coils magnetic ) in the magnetic - shielded ceramic - metal execution 该磁控管的设计采用电磁石,封装采用金属陶瓷。
If it proves hazardous , engineers may have to cancel out the field within the living quarters using an opposing electromagnet 如果结果显示强磁场有害人体,工程师可能就得利用相反方向的磁场来抵消船舱内的磁场。
a temporary magnet made by coiling wire around an iron core; when current flows in the coil the iron becomes a magnet
百科解释
An electromagnet is a type of magnet in which the magnetic field is produced by the flow of electric current. The magnetic field disappears when the current is turned off.