magnets相关论文
Successful removal of two magnets in the small intestine by laparoscopy and colonoscopy: A case repo
BACKGROUND Ingestion of multiple magnets can cause serious gastrointestinal complications,such as obstruction,fistulae,a......
We study the magnon bands of twisted bilayer honeycomb quantum magnets using linear spin wave theory.Although the interl......
In order to counteract the demagnetization caused by eddy current loss,widespread attention has been devoted to increasi......
Effects of grain boundary ternary alloy doping on corrosion resistance of(Ce,Pr,Nd)-Fe-B permanent m
To satisfy the application of different environments,grain boundary doping is commonly used in the preparation of sinter......
Magnetic properties of composites prepared by coating lacquer containing neodymium iron boron (Nd-Fe-B) powders on rubbe......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
目的 探讨磁疗常用永磁圆片磁源的磁特性,为科学合理地使用磁源提供依据。方法 采用特定测量装置,对磁感应强度名义值为6 mT、10 mT......
无刷直流电动机的磁钢需要和薄壁磁轭粘接,并在粘接后还要机械加工。因此粘接的方式、材料就需要特殊选择。经多次筛选实验,最后选择......
研究了磁约束阻尼悬臂板的减振效果,应用Rayleigh-Ritz 方法建立了板的近似振动分析模型.选取约束层的横向振动模态和面内振动模态......
本文叙述了国内外脉冲强磁场的发展状况,并给出了脉冲强磁场的几种产生方法、发展水平和目前在磁场设计中亟待解决的问题,最后对未......
本文对一个内径为10mm、能产生60T场强、持续脉冲时间为10ms的强磁体的相关参数进行了设计计算,并对该强磁体在不同脉冲电源条件下......
针对具有曲面结构的不锈钢模具的难抛光性,利用磁力——电解复合抛光机理,对材料为0Cr18Ni9Ti的不锈钢模具进行了抛光试验。试验结果......
The magnetic properties of Sm2(Co,Fe,Cu,Zr)17 alloys are very sensitive to heat treatments.A magnet with Br of 1.08 T,Hc......
合肥光源储存环为非满能量注入,束流以200MeV的能量注入到储存环后慢加速到800MeV.介绍了慢加速的理论依据及储存环主电源控制系统......
开展了上海同步辐射装置储存环注入冲击磁铁的结构和脉冲电源的技术设计,并进行了磁场分布和励磁电流波形的模拟计算。还给出了陶瓷......
应用Rayleigh—Ritz方法建立了局部磁约束阻尼壳的振动分析模型.选取约束层的横向振动模态和面内振动模态作假设模态,形成横向位移和......
Export Neodymium-iron-boron products include rare earth permanent magnets,neodymiumiron-boron(NdFeB)magnetic powder,othe......