查询词典 blowout magnet

This invention discloses a preparation method for anti-corrosion rare earth magnet material characterizing that it takes the optimized grain-boundary phase design as the starting point on the basis of a dual alloy method to select Nd base alloy with high crystal forming ability as the assist alloy and reduces the temperature of the press mold blank in a quartz container to room temperature from over grain-boundary phase melting point with the water extraction way to get enough cooling rate and guarantee the non-grain-boundary phase, compared with the material of the same composition prepared by ordinary method, the weightlessness of this invented material reduces over 30% after testing the weightlessness of the material by laying it for 96 hours under 121deg.C, 2 atmosphere and 100% humid environment to show the advanced performance of anti-corrosion.

本发明公开了一种耐腐蚀稀土永磁材料的制备方法，其特征是它在双合金法制备工艺的基础上，以优化晶界相设计为出发点，选取具有较高非晶形成能力的Nd基合金为辅合金，并在烧结回火时将置于耐高温石英容器中的压型坯件，从晶界相熔点以上以水淬冷却的方式降温至室温，以达到足够的冷却速率，确保得到非晶晶界相，根据本发明制得的耐腐蚀稀土永磁材料，通过测量在121℃、2个大气压以及100％湿度环境下放置96小时后材料的失重情况，结果显示本发明得到的材料与常规方法制备的相同成分的稀土永磁材料相比失重减少了30％以上，充分证明其具备了更优越的耐腐蚀性能。可广泛应用于电子、汽车、计算机、电力、机械、能源、环保、国防、医疗器械等领域。

The expression of cogging torque is deduced on dual-stator permanent magnet synchronous machine, and the influence rules of the resulting cogging torque are analyzed with the change of relative angle between dual stators. The relation between cogging torque amplitude and the relative angle between dual stators is investigated. Finally, simulation verification is conducted based on finite element method.

针对双定子永磁同步电机，推导了内外定子及其合成齿槽转矩的解析表达式，分析了内外定子相对位置变化对合成齿槽转矩的影响规律，着重研究了合成齿槽转矩幅值与内外定子相对位置的关系，最后用有限元方法进行了仿真验证。

The application of dysprosium in NdFeB permanent magnet,rare earth giant magnetostrictive material,magneto optical recording media and other rare earth functional materials were introduced.

综述了金属镝的制备工艺及提纯方法；介绍了镝在钕铁硼永磁合金、磁致伸缩材料、磁光记录材料等新型稀土功能材料中的应用情况；讨论了金属镝的研究、开发、工业化生产等方面的问题，并提出了相关建议。

For the investigation of temperature rise in permanent magnets of permanent magnet synchronous motors, it is necessary to analyze eddy current loss in permanent magnets efficiently and accurately.

对于永磁同步电动机中永磁体的发热及温升，快速准确地分析永磁体的涡流损耗是其关键问题所在。

For NdFeB material,a formula is proposed to calculate eddy current loss density distribution in the permanent magnet of PMSM.

永磁同步电机是由永磁体建立磁场的同步电机，电机结构较为简单，降低了加工和装配费用[1]。

This paper analyzes the principle of the rotating permanent magnet eddy current brake and designs its structural mechanism.

分析了旋转型永磁涡流制动机的工作原理，并进行了涡流制动机机构设计。

Permanent magnet synchronous motor is widely applied in the industrial estate because of its high efficiency and power factor.

永磁同步电机以其高效率、高功率因数等优点，在工业领域得到了广泛的应用。

Back in the Gold age of sound reproduction, an electromagnet was the only means of providing a magnetic field to the voice coil of an electrodynamic loudspeaker driver for sound reproduction, until the permanent magnet made it's appearance, it was a great idea back then to replace those bulky and expensive power supplies to feed the electromagnet coils, but something very subtle happened to the sound quality!

早在黄金年龄的声音复制，电磁铁是唯一的手段，提供了一个磁场对音圈的电动扬声器声音驱动程序的复制，直到永久磁体它的外观，它是一个伟大的想法，以取代当时那些笨重而昂贵的电源供应系统，饲料的电磁铁线圈，而是发生在非常微妙的音质！

At the rear of the speaker is a magnet with another electromagnet inside.

在车尾的一位发言者是磁铁与另一电磁铁内。

A distinction between positive and negative magnetic poles of an electromagnet or permanent magnet.

一种电磁体或永磁体的南北磁极之间的区别。有偏见的；有成见的；偏颇的；偏心的

He paid $5,000 for this cupcake.

他我这个纸杯蛋糕花了5000美元。

I mean, if you want to, that is

我的意思是，如果你们想吃的话。