查询词典 The Magnet

A novel tubular permanent magnet linear servo motor was proposed. The motor applies the axial magnet array topology of the secondary rod, and the air-cored armature windings and slotless structure of the forcer, which totally eliminates the cogging force of general permanent motors.

介绍了一种圆筒型永磁直线伺服电机，电机次级采用轴向磁通结构，初级采用无铁心空心式绕组设计，完全消除了传统有铁心永磁电机固有齿槽效应所引起的推力波动问题。

The Hall position sensor includes permanent magnet and Hall element, and the Hall element has its output voltage varying with the relative position variation of the permanent magnet.

本发明提供一种霍尔位置传感器，包含永磁体和霍尔元件，并且霍尔元件的输出电压随其与永磁体相对位置的变化而变化，所述相对位置的变化方式为，使永磁体与霍尔元件相对表面的重叠部分的面积和/或该重叠部分上各处的气隙长度随着永磁体与霍尔元件之间的相对运动而改变。

Rare earth permanent magnet is used widely in components producing strong magnetic field, such as various micro special electric machine, nuclear-magnet resonator, electric device, magnetic separation equipment, magnetic machine, and magnetic therapy appliance of computer, automobile, apparatus, instrument, household electrical appliance, petrochemical, medical care, and aerospace, etc.

中国钢铁—山东冠洲稀土钕铁硼永磁材料广泛应用于计算机、汽车、仪器、仪表、家用电器、石油化工、医疗保健、航空航天等行业中的各种微特电机，核磁振共振设备、电器件、磁分离设备、磁力机械、磁疗器械等需产生强间隙磁场的元器件。

The magnetized water washing device is composed of multi-stage magnetizers which are combined in series and an imperforate cylinder permanent magnet in center is alternatively combined with another permanent magnet with a through hole in center.

这种磁化水洗浴器由多级磁化器组成，各级磁化器成串组合，中心无孔的圆柱形永久磁体与另一种中心有通孔的永久磁体交替组合。

There is only one set of exciting coil, and the isochronous magnet field is mainly determined by the shape of magnet pole.

它沿半径方向只用一套线圈励磁，等时性磁场的建立完全由磁极形状决定。

The permanent magnet synchronous motor is decoupled into second-order linear speed subsystem and first-order linear flux subsystem. The aim space voltage vector is ascertained by combining sector judgment of stator flux with the practical system inputs after linearization and decoupling. The system is decoupled into two linear subsystems, flux and rotor speed, which realizes the completely dynamic decoupling for permanent magnet synchronous motor speed control system.

将永磁同步电机动态解耦成二阶线性转速子系统和一阶线性磁链子系统，结合磁链扇区判断方法和线性化解耦后的实际系统输入来确定目标空间电压矢量，实现了永磁同步电机调速系统的转速和磁链动态解耦控制。

It is found that, compared with the vacuum sintering, the magnet sintering at argon protection has lower density, magnetic-energy product and remanence, but coerciveforces are higher. The magnet has more and bigger pores, and there obviously exist loose microstructure, the Nd-rich phases are clearly distributed along the grain boundaries mainly in the shape of lumpish and lamelliform.

研究发现，与真空烧结相比，采用Ar保护烧结时磁体的密度、磁能积和剩磁相对较低，矫顽力较高，磁体中形成的孔洞较多，孔径较大，并有明显的显微缩松存在，富Nd相的数量明显较多，且主要呈块状和片状沿晶界分布。

China's permanent magnet material is very rich in China, especially the development of permanent magnet motor.

中国的永磁材料是非常丰富的中国，特别是永磁电机的发展。

Electromagnetic Separators main product, permanent magnet Separators, magnetic separator, the magnetic drum, lifting magnet, metal detectors, electromagnetic vibration feeder, Qiao products are widely used in electricity, cement, building materials, Coal, brick and tile, metallurgy, paper, chemicals, rubber, glass, mining, and other industries.

产品主要有电磁除铁器、永磁除铁器、磁选机、电磁滚筒、起重电磁铁、金属探测仪、电磁振动给料机等，产品广泛诮用于电力、水泥、建材、煤炭、砖瓦、冶金、造纸、化工、橡胶、玻璃、矿山等众多行业。

The profiles of the magnetic field intensity and magnetic acceleration in the concerned rooms of typical permanent magnet and superconducting magnet systems are presented, which may be helpful for the selection and design of the magnetic gradient field.

分析了典型永磁体和超导磁体工作空间内的磁场强度和磁加速度的分布规律，可为梯度磁场的选型和设计提供理论依据。

Salt is good, but if the salt becomes flat and tasteless, with what do you season it?

14：33 盐本是好的，盐若失了味，可用什么叫它再咸呢？

He reiterated that the PLA is an army of the people under the leadership of the Communist Party of China.

他重申，人民解放军是在中国共产党领导下的人民军队。