This paper investigates the flux-pinning-induced stress behaviors in a long superconducting slab with a central cuboid h......

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　　In order to solve the problems of little actuator output force,low efficiency and slow response speed,a linear motor......

本文介绍了国内外磁悬浮轴承技术的发展历史现状，以及它的物理原理。...

去除粉状耐火材料、玻璃原料、电瓷物料中的铁磁物质，目前工业上普遍采用酸洗法。但该法生产周期长，效率低，成本高。而振动电磁除铁不......