查询词典 magnets

The biased magnetomotive forces generated by the permanent magnets were superimposed on the coil control magneto-motive forces to act on the rotor, making the solenoid produce bidirectional output torques proportional to the coil excitation currents.

永磁体产生的偏置磁通与线圈产生的控制磁通形成差动磁场作用于衔铁转子，使电磁铁输出与控制电流成比例的双向转矩。

The development of magnetic materials was extremely rapid during the 1990's,when magnetic alloys of the rare earth-3d iron group,such as rare earth permanent magnets,giant magnetostriction materials,giant magnetocaloric materials,magnetooptic materials,magnetic amorphous materials,and nanocrystalline magnetic materials,appeared one by one.

稀土-3d过渡族磁性合金材料，如稀土永磁、巨磁致收缩材料、巨磁热效应材料，磁光效应材料等，以及非晶，纳米微晶磁性材料相继问世。1988年巨磁电阻效应的发现已获广泛应用，如读出磁头、传感器以及磁随机存储器等，并发展成为自旋电子学的新学科。

In the thesis, By using x-ray diffraction, energy spectrum analysis, metallographical analysis and scanning electron microscopy and opitimzing technology, the effects of the element Ga was researched and discussed in the magnetic performance and microstructure of Sintered Nd15Fe78B7+Ga permanent magnets made by powder metallurgy.

本文采用粉末冶金方法，通过x射线衍射、能谱分析、金相分析和电子扫描等一系列的检测与分析方法，优化工艺，研究并讨论了添加Ga元素对烧结Nd_(15)Fe_(78)B_7系永磁体磁性能和微观结构的影响。

The permanent magnets of single-phase exchange coupling Nd 〓N〓 and Nd 〓N〓 with ThMn〓 structure have been prepared by MM and MA process and the following treatments of crystallization、nitrogenation. By means of XRD、SEM、TEM、DTA/DSC and magnetic measurements, the variations of microstructure in each corresponding stage and the related magnetic properties have been studied systematically.

本文采用机械合金化和机械研磨法及随后的晶化、氮化处理分别制备了具有ThMn〓结构的Nd〓N〓单相耦合及Nd〓N〓纳米永磁材料，借助于X射线衍射、扫描电镜、电子探针、透射电镜、差热分析以及磁测量等分析技术系统地研究了上述工艺各阶段对应的组织结构的变化以及它们与磁性能的相互关系。

Pinaceae company is willing to good quality, low price to provide our clients with a variety of shapes and sizes SmCo NdFeB magnets.

松科公司愿以优良的品质、低廉的价格向广大客户提供多种形状尺寸的钕铁硼和钐钴磁钢。

Radially oriented ring magnets with high uniformity have been widely used in aviation and spaceflight.

高性能、高均匀性辐射取向环形磁体在航空、航天、航海的导航系统和控制系统中有重要的应用[1，2]。

The availability of high performance magnets, like samarium cobalt and neodymium-boron-iron, has made it possible to improve the performance of brushless dc motors significantly.

高性能的永磁体如钐钴、钕铁硼的问世使得永磁无刷直流电动机的性能大大提高了。

This is why aircraft carrier sare called "Bomb Magnets".

这就是航母被称为&炸弹磁铁&的原因。

We are glad to be your supplier of choice, and look forward to suppling you with the highest quality magnets

我们感到高兴的是你的供应选择，并期待与你补优质磁铁

The magnets in all incidents were small and easily swallowable.

所有事件的磁石都是佷细小且容易咽下的。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。