咨询与建议

限定检索结果

文献类型

  • 32,048 篇 期刊文献
  • 2,268 篇 会议
  • 1,343 册 图书
  • 31 篇 学位论文
  • 12 篇 报纸

馆藏范围

  • 35,111 篇 电子文献
  • 630 种 纸本馆藏

日期分布

学科分类号

  • 13,992 篇 工学
    • 2,769 篇 材料科学与工程(可...
    • 1,562 篇 生物医学工程(可授...
    • 1,480 篇 化学工程与技术
    • 1,011 篇 机械工程
    • 990 篇 电子科学与技术(可...
    • 784 篇 动力工程及工程热...
    • 755 篇 计算机科学与技术...
    • 632 篇 仪器科学与技术
    • 603 篇 地质资源与地质工...
    • 540 篇 力学(可授工学、理...
    • 524 篇 电气工程
    • 513 篇 核科学与技术
    • 461 篇 光学工程
  • 11,369 篇 医学
    • 9,451 篇 临床医学
    • 1,660 篇 医学技术(可授医学...
    • 1,143 篇 基础医学(可授医学...
    • 1,013 篇 中西医结合
    • 665 篇 公共卫生与预防医...
    • 459 篇 药学(可授医学、理...
  • 6,263 篇 理学
    • 1,324 篇 物理学
    • 1,088 篇 化学
    • 814 篇 生物学
    • 760 篇 数学
    • 681 篇 地质学
    • 461 篇 地球物理学
  • 2,769 篇 农学
    • 668 篇 作物学
    • 581 篇 畜牧学
  • 1,472 篇 管理学
    • 659 篇 管理科学与工程(可...
  • 959 篇 经济学
    • 852 篇 应用经济学
  • 846 篇 教育学
    • 632 篇 教育学
  • 604 篇 文学
  • 442 篇 法学
  • 252 篇 艺术学
  • 251 篇 哲学
  • 202 篇 历史学
  • 55 篇 军事学

主题

  • 339 篇 ct
  • 227 篇 患者
  • 222 篇 mri
  • 144 篇 美国
  • 118 篇 病人
  • 114 篇 日本
  • 92 篇 mr
  • 90 篇 analysis
  • 51 篇 of
  • 50 篇 前列腺癌
  • 48 篇 死亡率
  • 46 篇 and
  • 45 篇 北美洲
  • 44 篇 并发症
  • 43 篇 deep learning
  • 42 篇 diabetes
  • 40 篇 simulation
  • 40 篇 地质构造
  • 39 篇 health
  • 39 篇 应用

机构

  • 124 篇 北京大学
  • 100 篇 上海交通大学
  • 84 篇 亚琛工业大学
  • 68 篇 university of mi...
  • 67 篇 institute for pa...
  • 67 篇 nikhef p.o.box 4...
  • 67 篇 fysikum stockhol...
  • 67 篇 michigan state u...
  • 67 篇 institut fur the...
  • 67 篇 dept.of physics ...
  • 67 篇 compas group ins...
  • 67 篇 rudolf peierls c...
  • 67 篇 nstitucio catala...
  • 67 篇 department of ph...
  • 67 篇 school of physic...
  • 66 篇 national researc...
  • 66 篇 ludwig-maximilia...
  • 66 篇 cea/saclay dsm/i...
  • 66 篇 department of ph...
  • 65 篇 department of ph...

作者

  • 126 篇 叶鹏
  • 86 篇 v.i.belousov
  • 85 篇 h.murayama
  • 85 篇 j.d.jackson
  • 85 篇 g.d'ambrosio
  • 85 篇 m.white
  • 84 篇 p.de jong
  • 80 篇 v.burkert
  • 77 篇 t.gries
  • 75 篇 y.hayato
  • 74 篇 a.v.gritsan
  • 66 篇 a.gurtu
  • 66 篇 m.carena
  • 64 篇 l.pape
  • 63 篇 kavli ipmu
  • 63 篇 a.masoni
  • 47 篇 s.rolli
  • 36 篇 t boy
  • 35 篇 朱国栋
  • 35 篇 a.d.martin

语言

  • 23,711 篇 中文
  • 11,983 篇 英文
  • 1 篇 日文
  • 1 篇 其他
检索条件"作者=T.Gers.on"
35702 条 记 录,以下是4991-5000 订阅
排序:
A novel non-noble electrocatalyst for PEM fuel cell based on molybdenum carbide
A novel non-noble electrocatalyst for PEM fuel cell based on...
收藏 引用
第九届全国氢能学术会议
作者: L.t.thompson University of Michigan
A novel non-noble electrocatalyst based on molybdenum carbide supported on VulcanXC-72 carbon(MoC/VC) prepared by temperature-programmed reaction(tPR) strategy was investigated as anode and cathode electrocatalysts in...
来源: cnki会议 评论
Preface to the CCASt-World Laboratory Series
Preface to the CCAST-World Laboratory Series
收藏 引用
CCASt“研究禁闭与退禁闭相变的连续场论途径”研讨会
作者: t.D.Lee
<正>the China Center of Advanced Science and technology (CCASt) was established on October 17, 1986 through the strong support of World Laboratory and the Chinese Government. Its purpose is to introduce important ...
来源: cnki会议 评论
Maximization of Continuity of Complex Composite Structures by Permutation Genetic Algorithms
Maximization of Continuity of Complex Composite Structures b...
收藏 引用
the Fourth World Congress of Structural and Multidisciplinary Optimization
作者: Raphael t.Haftka Department of Aerospace Engineering Mechanics and Engineering Science University of Florida GainesvilleFL 32611-6250
<正>In this paper, one of important manufacturing constraints -continuity constraint between two adjacent composite laminates is introduced. tradeoff study between weight and continuity is discussed. Permutation gen... 详细信息
来源: cnki会议 评论
Key Features of Plant Parasitic Nematodes of Cereals
Key Features of Plant Parasitic Nematodes of Cereals
收藏 引用
作者: I.t.Riley
<正> Nematodes are multicellular animalsGeneral?Nematodes differ from other microorganisms that cause plant disease (viz. viruses, bacteria phytoplasmas and fungi) in that they are motile, microscopic animals.?Nem...
来源: cnki会议 评论
tLEt and Dynamic Deformation-Strength Characteristics of Saturated Sand
TLET and Dynamic Deformation-Strength Characteristics of Sat...
收藏 引用
作者: Y.t.Gue Shaanxi Institute of Mechanical Engineering
<正>In this paper the limit equilibrium theory is applied to analyse the dynamic failure process of saturated *** is called by authors the transient limit equilibrium *** on the experimental results in dynamic triax...
来源: cnki会议 评论
LABOUR MARKEt DEVELOPMENt IN tHE SPHERE OF SMALL BUSINESS
LABOUR MARKET DEVELOPMENT IN THE SPHERE OF SMALL BUSINESS
收藏 引用
作者: t.G.Stroiteleva Altay academy of economy and law
the social importance of small business is defined by mass character of group of small owners-owners of small enterprises and their hired workers which total number is one of the most essential characteristics of any ...
来源: cnki会议 评论
Anomalous geomagnetic storm of 21-22 January 2005:A storm main phase during northward IMFs
Anomalous geomagnetic storm of 21-22 January 2005:A storm ma...
收藏 引用
中国科学院地质与地球物理研究所2008学术年会
作者: B.t.tsurutani Jet Propulsion Laboratory California Institute of TechnologyPasadenaCaliforniaUSA.
[1]the major(minimum Dst = -105 nt) magnetic storm which occurred on 21- 22 January 2005 is highly anomalous because the storm main phase(identified by the SYM-H indices) developed during northward interplanetary magn...
来源: cnki会议 评论
Preface to the CCASt-World Laboratory Series
Preface to the CCAST-World Laboratory Series
收藏 引用
CCASt“中国草地的经济效益”研讨会
作者: t.D.Lee
<正>the China Center of Advanced Science and technology (CCASt)was established on October 17, 1986 through the strong support ofWorld Laboratory and the Chinese Government. Its purpose is tointroduce important fro...
来源: cnki会议 评论
Preface to the CCASt-World Laboratory Series
Preface to the CCAST-World Laboratory Series
收藏 引用
第三届散裂中子源多学科应用研讨会
作者: t.D.Lee the CCAST international symposium/workshop series is published separately by Gordon and Breach Scientific Publishers
<正>the China Center of Advanced Science and technology (CCASt) was established on October 17, 1986 through the strong support of World Laboratory and the Chinese Government. Its purpose is to introduce important ...
来源: cnki会议 评论
Preface to the CCASt-World Laboratory Series
Preface to the CCAST-World Laboratory Series
收藏 引用
CCASt“强关联物理”研讨会
作者: t.D.Lee
<正>the China Center of Advanced Science and technology (CCASt)was established on October 17, 1986 through the strong support ofWorld Laboratory and the Chinese Government. Its purpose is tointroduce important fro... 详细信息
来源: cnki会议 评论