咨询与建议

限定检索结果

文献类型

  • 52,113 篇 期刊文献
  • 2,383 件 标准
  • 543 篇 会议
  • 46 篇 学位论文
  • 2 册 图书

馆藏范围

  • 55,085 篇 电子文献
  • 2 种 纸本馆藏

日期分布

学科分类号

  • 22,518 篇 理学
    • 11,455 篇 化学类
    • 6,762 篇 物理学类
    • 2,682 篇 生物科学类
    • 850 篇 地质学
    • 388 篇 海洋科学类
    • 268 篇 地球物理学类
  • 19,078 篇 工学
    • 4,538 篇 材料学
    • 4,380 篇 电气类
    • 2,551 篇 环境科学与工程类
    • 915 篇 能源动力学
    • 850 篇 地质类
    • 711 篇 核工程类
    • 601 篇 食品科学与工程类
    • 557 篇 机械学
    • 388 篇 海洋工程类
    • 336 篇 矿业类
    • 283 篇 电子信息类
    • 218 篇 建筑类
    • 138 篇 水利类
    • 98 篇 生物工程类
  • 3,684 篇 农学
    • 250 篇 植物生产类
  • 3,099 篇 医学
    • 1,325 篇 临床医学类
    • 696 篇 公共卫生预防医学...
    • 588 篇 基础医学
    • 261 篇 药学类
  • 1,040 篇 教育学
  • 675 篇 文学
    • 340 篇 中国语言文学类
  • 382 篇 法学
    • 257 篇 政治学类
  • 160 篇 经济学
    • 153 篇 经济学类
  • 150 篇 艺术学
  • 134 篇 历史学
    • 113 篇 历史学类
  • 114 篇 哲学
    • 114 篇 哲学类
  • 27 篇 管理学
  • 24 篇 军事学

主题

  • 55,087 篇 iron
  • 4,144 篇 iron compounds
  • 2,912 篇 copper
  • 2,449 篇 magnetic propert...
  • 2,230 篇 oxidation
  • 2,178 篇 x ray diffractio...
  • 2,006 篇 nickel
  • 1,996 篇 zinc
  • 1,959 篇 scanning electro...
  • 1,909 篇 temperature
  • 1,877 篇 manganese
  • 1,877 篇 testing
  • 1,712 篇 cobalt
  • 1,699 篇 nanoparticles
  • 1,499 篇 magnetization
  • 1,497 篇 binary alloys
  • 1,490 篇 steel
  • 1,447 篇 transmission ele...
  • 1,409 篇 oxygen
  • 1,390 篇 iron alloys

机构

  • 77 篇 author to whom a...
  • 55 篇 author to whom a...
  • 33 篇 university of ch...
  • 30 篇 不详
  • 28 篇 tohoku universit...
  • 25 篇 frantsevich inst...
  • 25 篇 materials scienc...
  • 24 篇 university of ch...
  • 22 篇 17 jaganathan ro...
  • 21 篇 advanced photon ...
  • 21 篇 dept. of phys. e...
  • 21 篇 institute for ma...
  • 20 篇 beijing national...
  • 19 篇 chennaiindia
  • 19 篇 materials scienc...
  • 18 篇 china
  • 17 篇 department of ph...
  • 16 篇 17 jaganathan ro...
  • 16 篇 department of ph...
  • 16 篇 dept. of phys., ...

作者

  • 47 篇 raghavan, v.
  • 43 篇 wang, wei
  • 37 篇 liu, wei
  • 36 篇 e a cowper
  • 36 篇 jr.
  • 32 篇 zhang, yan
  • 30 篇 choi, hyoung jin
  • 29 篇 kirschner, j.
  • 29 篇 li, wei
  • 29 篇 wang, tao
  • 28 篇 ma, yanwei
  • 28 篇 wang, lei
  • 27 篇 g.c. hadjipanayi...
  • 27 篇 wang, jun
  • 27 篇 wang, yu
  • 27 篇 yang, yong
  • 26 篇 aramaki, kunitsu...
  • 26 篇 g p bidder
  • 24 篇 liu, tao
  • 24 篇 m. naoe

语言

  • 51,076 篇 英文
  • 3,235 篇 中文
  • 599 篇 其他
  • 42 篇 西班牙文
  • 38 篇 德文
  • 33 篇 法文
  • 17 篇 葡萄牙文
  • 17 篇 俄文
  • 8 篇 荷兰文
  • 7 篇 土耳其文
  • 3 篇 日文
  • 1 篇 阿拉伯文
  • 1 篇 克罗地亚文
  • 1 篇 波兰文
  • 1 篇 乌克兰文
检索条件"主题词=iron"
55087 条 记 录,以下是1-10 订阅
排序:
Role of Interfacial Resonant States on Spin Injection in FM/GaAs Contacts
IEEE Transactions on Magnetics
收藏 引用
IEEE Transactions on Magnetics 2011年 第10期47卷 2753-2755页
作者: Honda, Syuta Inoue, Jun-ichiro Itoh, Hiroyoshi $^{1}$ ORDIST Kansai University Suita Japan $^{3}$Department of Applied Physics Nagoya University Nagoya Japan $^{4}$Department of Pure and Applied Physics Kansai University Suita Japan
Material dependence of the spin polarization P of the tunneling current in the spin injection process is calculated for ferromagnetic metal alloy/GaAs contacts with several values of Schottky barrier height. It is sho... 详细信息
来源: IEEE期刊 IEEE期刊 EBSCOBSC期刊 EBSCOBSC期刊 EBSCOASC期刊 EBSCOASC期刊 评论
Preservation of glutamic acid-iron chelate into montmorillonite to efficiently degrade Reactive Blue 19 in a Fenton system under sunlight irradiation at neutral pH
收藏 引用
Applied surface science 2016年 370卷 209-217页
作者: Huang, Zhujian Wu, Pingxiao pppxwu@scut.edu.cn Gong, Beini Yang, Shanshan Li, Hailing Zhu, Ziao Cui, Lihua College of Natural Resources and Environment South China Agricultural University Guangzhou 510642 PR China School of Environment and Energy South China University of Technology Guangzhou Higher Education Mega Centre Guangzhou 510006 PR China The Key Lab of Pollution Control and Ecosystem Restoration in Industry Clusters Ministry of Education Guangzhou 510006 PR China
Highlights • G–Fe chelate molecules were well preserved into montmorillonite. • The product shows an excellent catalytic activity under sunlight at neutral pH value. • G–Fe–Mt is a promising catalyst for advanced o... 详细信息
来源: ElsevierScienceDirect期刊 ElsevierScienceDirec... EBSCOASC期刊 EBSCOASC期刊 评论
Synergistic effect of iron and intumescent flame retardant on shape-stabilized phase change material
收藏 引用
Thermochimica Acta 2009年 第1期487卷 74-79页
作者: Zhang, Ping Hu, Yuan yuanhu@ustc.edu.cn Song, Lei Lu, Hongdian Wang, Jian Liu, Qingqing State Key Laboratory of Fire Science University of Science and Technology of China 96 Jinzai Road Hefei Anhui 230026 PR China Department of Chemical and Materials Engineering Key Laboratory of Powder and Energy Materials Hefei University Hefei Anhui 230022 PR China Department of Polymer Science and Engineering University of Science and Technology of China 96 Jinzai Road Hefei Anhui 230026 PR China
Abstract: This paper deals with the preparation of paraffin/high density polyethylene (HDPE)/intumescent flame retardant (IFR)/iron as flame retardant shape-stabilized phase change material (FSPCM). The influences of ... 详细信息
来源: EBSCOASC期刊 EBSCOASC期刊 评论
Characterization and Evaluation of Antibacterial Activities of Chemically Synthesized iron Oxide Nanoparticles
收藏 引用
纳米科学与工程(英文) 2012年 第4期2卷 196-200页
作者: Sudhanshu Shekhar Behera Jayanta Kumar Patra Krishna Pramanik Niladri Panda Hrudayanath Thatoi Department of Biotechnology and Medical Engineering National Institute of Technology Rourkela India Department of Biotechnology College of Engineering and Technology Biju Patnaik University of Technology Bhubaneswar India
The iron oxide nanoparticles have been synthesized in co-precipitation method using aqueous solution of ferric and ferrous ions with sodium salt. The synthesis of iron-oxide nanoparticles were validated by UV-Visible ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
A soluble conducting polymer: 1-Phenyl-2,5-di(2-thienyl)-1H-pyrrole and its electrochromic application
收藏 引用
Electrochimica Acta 2006年 第25期51卷 5412-5419页
作者: Tarkuc, S. Sahmetlioglu, E. Tanyeli, C. Akhmedov, I.M. Toppare, L. toppare@metu.edu.tr Department of Chemistry Middle East Technical University 06531 Ankara Turkey Department of Chemistry Nigde University 51100 Nigde Turkey
A thiophene-functionalized monomer 1-phenyl-2,5-di(2-thienyl)-1H-pyrrole (PTP) was synthesized. The chemical polymerization of PTP (CPTP) was realized by using FeCl3 as the oxidant. The structures of both the monomer ... 详细信息
来源: ElsevierScienceDirect期刊 ElsevierScienceDirec... EBSCOASC期刊 EBSCOASC期刊 评论
Microplasma synthesis on aluminum with additions of iron and nickel soluble complexes in electrolyte
收藏 引用
Applied surface science 2012年 第24期258卷 10028-10033页
作者: Rogov, A.B. alex-lab@bk.ru Mironov, I.V. Terleeva, O.P. Slonova, A.I. Nikolaev Institute of Inorganic Chemistry. 3 Acad. Lavrentiev Ave Novosibirsk 630090 Russian Federation
The microplasma synthesis of coatings containing iron and nickel from homogeneous electrolytes has been studied. For stabilization of transition metals in solution, it is proposed to use chelation. It was found that t... 详细信息
来源: ElsevierScienceDirect期刊 ElsevierScienceDirec... EBSCOASC期刊 EBSCOASC期刊 评论
STUDIES ON THE MICROSTRUCTURE AND QUALITY OF iron YAM SLICES DURING COMBINED FREEZE DRYING AND MICROWAVE VACUUM DRYING
收藏 引用
Journal of Food Processing and Preservation 2015年 第6期39卷 2152-2160页
作者: LUE-LUE HUANG FANG QIAO qiaofang@szpt.edu.cn CHANG-FA FANG School of Applied Chemistry and Biological Technology Shenzhen Polytechnic Shenzhen China School of Applied Chemistry and Biological Technology Shenzhen Polytechnic Shenzhen China School of Applied Chemistry and Biological Technology Shenzhen Polytechnic Shenzhen China
The quality of freeze drying (FD)4.5 h-microwave vacuum drying (MVD) iron yam slices was almost the same with FD samples in terms of bulk density, color, etc., in the previous experiments. This work verified it by com... 详细信息
来源: EBSCOBSC期刊 EBSCOBSC期刊 Wiley期刊 Wiley期刊 评论
Reduction of growth rate in Bi-substituted bubble garnets using MoO3- and V2O5- added flux
IEEE Transactions on Magnetics
收藏 引用
IEEE Transactions on Magnetics 1986年 第5期22卷 1290-1292页
作者: Y. Hosoe K. Andoh T. Ikeda R. Suzuki Central Research Laboratory Hitachi Kokubunji Tokyo Japan
The growth rate of Bi-substituted bubble garnet films grown by liquid phase epitaxy has been reduced by adding MoO3or V2O5to PbO-Bi2O3flux. The growth rate can be reduced by decreasing the solute concentration. We hav... 详细信息
来源: IEEE期刊 IEEE期刊 评论
Design and analysis of a wiggler magnet system for the PEP-II B-Factory LER
IEEE Transactions on Magnetics
收藏 引用
IEEE Transactions on Magnetics 1996年 第4期32卷 2625-2628页
作者: J. Heim M. Kendall L. Bertolini O. Fackler T. O'Connor T. Swan A. Zholents Lawrence Livermore Nat. Lab. CA USA Lawrence Livermore Nat. Lab. CA USA Lawrence Livermore Nat. Lab. CA USA Lawrence Livermore Nat. Lab. CA USA Lawrence Livermore Nat. Lab. CA USA Lawrence Livermore Nat. Lab. CA USA
The Low Energy Ring (LER) of the PEP-II B-Factory will use a wiggler magnet system for emittance control and additional damping. The wiggler magnet system is a set of 11 individual iron core, water cooled, dipole magn... 详细信息
来源: IEEE期刊 IEEE期刊 评论
iron Loss of Supermalloy Film Core
IEEE Translation Journal on Magnetics in Japan
收藏 引用
IEEE Translation Journal on Magnetics in Japan 1987年 第3期2卷 232-234页
作者: Y. Sakaki H. Okuno M. Ishikawa M. Naito Chiba Univ. Faculty of Engng. Chiba. Chiba Univ. Faculty of Engng. Chiba. Chiba Univ. Faculty of Engng. Chiba. Chiba Univ. Faculty of Engng. Chiba.
The suitability of a supermalloy thin film about 1 μm thick for use in 1 MHz power equipment was studied. The relationship between the hysteresis loss Wh and the maximum flux density Bm for the approximately 1 μm th... 详细信息
来源: IEEE期刊 IEEE期刊 评论