After that a monohedral magnet for MRI is presented according to the basic theory of magnetic field and the theory of a pair of magnetic dipoles.
然后根据磁场基础理论及磁偶极子对模型理论等基本电磁场原理，提出一种设计MRI单边主磁体初始结构的方法。
The composition, the basic principle and the laboratory test results of magnetic column with pulsating vibration magnetic field are described.
介绍了脉冲振动磁场磁选柱组成、基本原理以及实验室小型试验结果。
The composition and basic principles of compound magnetic field separator for cleaning and the results of its laboratory and real application in a mine in Dandong are presented.
介绍了复合磁场精选机的组成、基本原理以及对丹东某矿实验室小型试验和实际应用的分选结果。
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