A pole piece is a structure composed of material of high magnetic permeability that serves to direct the magnetic field produced by a magnet. A pole piece attaches to and in a sense extends a pole of the magnet, hence the name.
例句与用法
1.
A pair of capacitive rings attached to the respective pole piece is used to detect movement of the coil . 两个分别附在各自极靴上的电容环被用来探测线圈的运动。
2.
Ratio of the pole spacing to the bore diameter of the pole pieces 极靴的间距与孔径比
3.
An improvement of mri pole pieces using permanent magnets 的主磁体极面
4.
This text expanded the magnetoelastic stability issue of current - carrying component from coil , pole piece to thin current - carrying plates , and used special function to differentiate the critical state of losing magnetoelastic steady , the number value of getting the relevant parameter is solved . the text derives and provides the magnetoelastic movement equation of thin current - carrying plates , the geometry equations and the physics equations , the expression formula of lorent ’ s force , electro dynamics equation through the theory at first 本文将载流构件磁弹性稳定问题由线圈、杆件拓展到载流薄板，并引入特殊函数判别磁弹性稳定问题的失稳临界状态，得到了相关参量的数值关系。首先通过理论推导给出了载流薄板的磁弹性动力学方程，几何与物理方程，洛仑兹力的表达式，电动力学方程。
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