咨询与建议

限定检索结果

文献类型

  • 2 篇 期刊文献

馆藏范围

  • 2 篇 电子文献
  • 0 种 纸本馆藏

日期分布

学科分类号

  • 2 篇 工学
    • 1 篇 材料科学与工程(可...
    • 1 篇 电子科学与技术(可...

主题

  • 2 篇 transformer.
  • 1 篇 loss
  • 1 篇 discontinuity
  • 1 篇 impedance
  • 1 篇 relative
  • 1 篇 nanoerystaljine
  • 1 篇 power
  • 1 篇 alloy
  • 1 篇 permeability
  • 1 篇 supply
  • 1 篇 pulser
  • 1 篇 mode
  • 1 篇 characteristic
  • 1 篇 switching
  • 1 篇 core

机构

  • 1 篇 shanghai key lab...
  • 1 篇 arbeitsbereich h...
  • 1 篇 department of el...

作者

  • 1 篇 abbas sayed omar
  • 1 篇 zhang yanzhongsh...
  • 1 篇 徐云生

语言

  • 2 篇 英文
检索条件"主题词=transformer."
2 条 记 录,以下是1-10 订阅
排序:
Definition of the characteristic impedance
收藏 引用
Science China(Technological Sciences) 1996年 第6期39卷 579-583页
作者: 徐云生 Abbas Sayed OMAR Department of Electronic Engineering and Information Science University of Science and Technology of China Hefei 230027China Arbeitsbereich Hochfrequenztechnik Technische University Hamburg-HarburgHamburg 21073Germany
Currently available definitions of the characteristic impedance are ambiguous andior inaccurate.A general definition,based on the description of discontinuities between adjacent waveguides,is *** definition is accurat... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Magnetic properties and applications of newly-developed-nanocrys-talline Fe-(72)Cu_1Nb_2V_2Si_(14)B_9 and Fe_(72)Cu_1Nb_1Mo_1V_2Si_(14)B_9 alloys
收藏 引用
Chinese Science Bulletin 1997年 第14期42卷 1218-1222页
作者: ZHANG YanzhongShanghai Iron and Steel Research Institute, Shanghai Key Laboratory of Metallic Functional Materials, Shanghai 200940, China Shanghai Key Laboratory of Metallic Functional Materials Shanghai Iron and Steel Research Institute Shanghai China
RECENTLY, we have successfully developed new nanocrystalline Fe72Cu1 Nb2V2Sisub>14B9 and Fe72-Cu1Nb1Mo1V2Si14B9 alloys. Their cost has been reduced and their amorphous ribbons havemuch better ductillty as compared wit... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论