Patients undergoing this treatment have a coil placed on their head which uses electromagnetic induction to activate weak electric currents via a changing magnetic field.
进行该项治疗的患者在头部置有一个线圈，这个线圈通过电磁感应在一个变化的磁场中激活弱电流。
A coil measurement system has been designed to measure the magnetic induction intensity of the weak magnetic field generated by hypervelocity impact.
为了测量超高速碰撞过程中产生瞬态弱磁场的磁感应强度，设计了弱磁场测量的线圈系统。
We will report principle and method measuring magnetic moment, magnetization and susceptibility of weak magnetic substance applied electromagnetic induction method between 4.2K-323K in this paper.
本文叙述了在4.2K—323K温区里，应用电磁感应法测量弱磁性物质磁矩、磁化强度、磁化率的原理和方法。
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