查询词典 The Magnet

Furthermore, this experiment, if interpreted in the old language, gives us no hint at all as to whether an induced current can be excited by the motion of another circuit carrying a current, instead of by motion of a bar magnet.

但是根据场论的观点看来，一个电流表示有一个电场的存在，这个电场迫使电流体在导线中流动。当磁棒再静止时，电流便消失了，电场也同样消失了。

If the sun were a rigid body, its magnetic field might resemble the earth's, with symmetrical field lines like a bar magnet 's.

如果太阳是一颗固体星球，其磁场或许与地球磁场相似，像条状磁铁那样具有对称的磁力线。

A new sensorless speed control scheme for permanent magnet synchronous motor driver is presented. The nonlinear mathematical model of PMSM is established in α-β reference frame and linearized around the best estimator.

永磁同步电机无位置传感器调速系统具有控制方法简单，转矩脉动小，抗扰动能力强，调速性能好等特点，调速系统所要解决的问题是采用何种方法获取转速和转角。

This paper introduces the working principle and blockdiagram of impulse magnet controlled discharge method that is used in the vacuity tester.

摘 要：真空度测试仪在测试高压真空断路器真空灭弧室真空度时具有操作及安装简便、测试结果可信等优点。

At last, by using VB6.0, we have written the aided design program of the double-voltage hybrid excitation rare earth permanent magnet synchronous generator. Tow sample BLONDEL have been designed.

最后，本文利用高级计算机语言编制了人机界面友好的双电压复合励磁稀土永磁同步发电机的计算机辅助设计程序，并研制了两台样机。

It temples such as bridges and links, clan society plays a very important role, it will be like magnet for people linked to safeguard the interests of the clan, clansman of continuity.

而宗祠如桥梁似纽带，在宗族社会中起着十分重要的作用，它如同磁铁般将族人联结在一起，使宗族利益得以维护，使宗亲关系得以延续。

Compared to the former magnet the magnetic energy product is 5 to 10 times higher and coercivity is 10 times higher.

它比过去传统的磁体的磁能积高出5至10倍以上，矫顽力也高出10倍。

Thanks to the discovery of the effectiveness of clay as a contaminant magnet, this job is a breeze.

多亏发现的有效性粘土作为污染物磁铁，这项工作是一件轻而易举的。

Structure design and heat transfer analysis for the cryostat of superconducting magnet is mainly discussed in the paper.

介绍了低温超导磁体杜瓦装置的结构设计和传热分析。

CeO2 is a cheap and of use wide material, it is used in optical materials. polishing agents. ultraviolet absorption materials. the cleaning catalyst of car waste gases. chemical decolorant of glass. radiation-resisting glass. permanent magnet. electronic ceramics etc. After it becomes nanoparticle, it will show some new properties and applications. For example, CeO2 nanocrystal is a better promoter of Cytochrome C and the stabilizer of Zr02 ceramics.

CeO_2是一种廉价而用途极广的材料，如用于发光材料、抛光剂、紫外吸收材料、汽车尾气净化催化剂、玻璃的化学脱色剂、耐辐射玻璃、永磁体、电子陶瓷等，纳米化后将出现一些新的性质及应用，如CeO_2纳米晶是细胞色素C的良好的促进剂，还用于ZrO_2陶瓷的稳定剂。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。