The device of claim 1 wherein said magnet is made of neodymium iron boron.

说的磁铁由钕铁硼做成的索赔1的设备。

youdao

The invention relates to a neodymium iron boron permanent magnetic material and a preparation method thereof.

本发明是关于一种钕铁硼永磁材料及其制备方法。

youdao

Products, products such as cementation ferrite, neodymium iron boron passes ISO9001 international quality system certification.

粘结铁氧体、钕铁硼等产品、产品通过ISO 9001国际质量体系认证。

youdao

Of course, they didn't just use any old off the shelf magnet, instead designing custom neodymium iron-boron models that produce just the right magnetic field necessary to make that hard drive completely useless.

ENGADGET: Military-grade "Guard Dog" hard drive degausser

Because some users turn the crank-handle faster and harder than others, a nifty three-stage gearbox and a dynamo based on powerful neodymium-iron-boron magnets is used to ensure that efficiency is largely independent of the torque applied.

ECONOMIST: MONITOR

Dr Post's system uses magnets made of an alloy of neodymium (a rarish metal), iron and boron.

ECONOMIST: Maglev trains