闭合线圈中的电流在磁场中受到的安培力的作用，使线圈产生转动，即安培力产生了使线圈转动的力矩，这种由安培力产生的力矩称为磁力矩。方向与线圈平面的单位正法向矢量‘叉乘’磁场强度矢量B的方向相同。
...泵；磁力矩；磁极对数[gap=1342]Key words: extracorporeal magnetic filed coupling; axial flow blood pump; magnetic torque; magnetic pole number...
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卫星上的永久磁铁获取所需的地磁力矩，稳定偏航姿态。
Geomagnetic torque for yaw stabilization is provided by permanent magnet on the satellite.
对磁力矩计算公式进行无量纲参数化处理，使公式简单、直观，使用方便。
Dimensionless parametrization is carried out for the calculation formula of magnetically transmitted torque. The simplified formula is simple, directly perceivable and convenient in use.
磁块在磁场中受到的磁力矩和磁力的作用也可看成通磁场对通电线圈的作用。
The action of the magnetic force moment and the magnetic force on the bar magnet in the magnetic field can be considered as that of wire circles through the magnetic field.
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