To improve the driving torque and increase the inner space utilization rate of wheel hub motor on electric motorcycle, a double-stator permanent magnet motor was reported in this paper.
为充分利用电动摩托车轮毂电机内部空间，提高电机的驱动转矩，该文设计了一款双定子结构的永磁电动机。
The calculation shows that the pressure drops and the temperature decreases, but the gas rate increases from liquid helium main dewar to superconducting magnet dewar.
计算结果表明，氦工质从 液氦主杜瓦加注到磁体杜瓦的过程中，其压力和温度不断降低，而 含 气量不断增加。
In this article, a dewar for this superconducting magnet system is mainly described and experimental results about boil-off rate of the LHe under the condition of rotation and vibration is presented.
本文将主要描述该系统的杜瓦部分，并且给出在旋转和振动条件下的液氦挥发实验结果。
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