The invention relates to a plastic shell-type breaker magnetic test contact protection appliance and a using method thereof.

本发明涉及一种塑壳式断路器磁试验触头保护用具及使用方法。

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The current of the rotor slot wedges are measured by magnetic test coils, and the eddy-current field of the rotor are calculated by finite element method.

试验中用“磁带”测量了转子槽楔电流，并用有限元法计算了转子涡流场。

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Some realized they could use the new materials tools to test their understanding of the magnetizing process, because they could precisely control layers of both magnetic and nonmagnetic metal atoms.

有些人意识到，他们可以使用新材料的工具，以测试他们对磁化过程的理解，因为他们可以精确地控制磁性和非磁性两种金属原子层。

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The test, also known as MRI, involves studying the magnetic signals from all the cells in the body.

VOA: special.2009.01.06

It would be nice to test this directly by measuring the magnetic field of a pulsar.

ECONOMIST: Pulsars

The research could help test simulations of how the outer, fluid core generates the Earth's magnetic field, which shields our planet and the teeming life on it from harmful cosmic rays.

BBC: NEWS | Science/Nature | Earth's core runs ahead of crust