The product was washed with deionized water using a magnet and dispersed in 7 ml 0.12 M TEAOH.
产物用去离子水洗涤，磁体分离后分散在7ml0.12M四乙基氢氧化铵水溶液中，从而得到稳定均匀的Fe3O4悬浮液。
According to experiment result of high temperature superconducting magnet cooled with G-M refrigerator, we researched its key technology problem.
根据高温超导磁体冷却的实验结果，研究了G - M制冷机在磁储能直接冷却应用中的关键技术问题。
There are mainly two hypotheses on it, one is the M hypothesis which assumes that the force lines co-rotate with the magnet, and the other is the N hypothesis which as.
两种主要观点是：M理论认为磁场随着磁体一起转动；N理论认为磁场不随磁体一起转动。
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