咨询与建议

限定检索结果

文献类型

  • 11,892 篇 期刊文献
  • 2,804 篇 会议

馆藏范围

  • 14,696 篇 电子文献
  • 0 种 纸本馆藏

日期分布

学科分类号

  • 8,907 篇 工学
    • 2,532 篇 计算机科学与技术...
    • 1,864 篇 软件工程
    • 1,381 篇 机械工程
    • 1,374 篇 控制科学与工程
    • 1,092 篇 仪器科学与技术
    • 959 篇 信息与通信工程
    • 757 篇 电子科学与技术(可...
    • 399 篇 交通运输工程
    • 388 篇 材料科学与工程(可...
    • 379 篇 电气工程
    • 356 篇 网络空间安全
    • 266 篇 地质资源与地质工...
    • 224 篇 水利工程
    • 219 篇 光学工程
    • 203 篇 化学工程与技术
    • 175 篇 动力工程及工程热...
    • 175 篇 测绘科学与技术
  • 3,288 篇 管理学
    • 1,971 篇 管理科学与工程(可...
    • 718 篇 图书情报与档案管...
    • 466 篇 工商管理
    • 279 篇 公共管理
  • 2,788 篇 理学
    • 1,021 篇 数学
    • 673 篇 系统科学
    • 342 篇 物理学
    • 267 篇 生物学
  • 1,039 篇 医学
    • 571 篇 临床医学
  • 812 篇 教育学
    • 618 篇 教育学
  • 744 篇 农学
    • 192 篇 农业资源与环境
  • 708 篇 经济学
    • 655 篇 应用经济学
  • 335 篇 文学
  • 301 篇 法学
  • 231 篇 艺术学
    • 211 篇 设计学(可授艺术学...
  • 172 篇 军事学
  • 62 篇 历史学
  • 41 篇 哲学

主题

  • 156 篇 中国
  • 93 篇 遗传算法
  • 92 篇 internet
  • 87 篇 地理信息系统
  • 86 篇 图书馆
  • 66 篇 xml
  • 65 篇 信息技术
  • 57 篇 数据库
  • 55 篇 面向对象
  • 51 篇 信息系统
  • 50 篇 设计
  • 48 篇 网络环境
  • 42 篇 特征提取
  • 41 篇 网络
  • 37 篇 支持向量机
  • 37 篇 数据挖掘
  • 34 篇 素质教育
  • 31 篇 信息
  • 30 篇 simulation
  • 29 篇 数据处理

机构

  • 974 篇 上海交通大学
  • 461 篇 西安交通大学
  • 419 篇 西南交通大学
  • 189 篇 北方交通大学
  • 186 篇 中南大学
  • 179 篇 太原理工大学
  • 179 篇 四川大学
  • 168 篇 武汉大学
  • 151 篇 北京交通大学
  • 118 篇 山东科技大学
  • 116 篇 浙江大学
  • 107 篇 华中科技大学
  • 107 篇 三峡大学
  • 102 篇 陕西师范大学
  • 93 篇 西安医学院
  • 93 篇 南京航空航天大学
  • 89 篇 河海大学
  • 80 篇 天津大学
  • 78 篇 重庆大学
  • 75 篇 湖南大学

作者

  • 426 篇 china
  • 80 篇 p.r.china
  • 29 篇 china)
  • 25 篇 beijing 100044
  • 24 篇 p. r. china
  • 23 篇 谢克明
  • 22 篇 周源华
  • 22 篇 韩崇昭
  • 22 篇 颜国正
  • 18 篇 李陶深
  • 18 篇 施文康
  • 17 篇 shanghai
  • 16 篇 余雪丽
  • 15 篇 程君实
  • 15 篇 李明
  • 15 篇 hangzhou
  • 15 篇 王浣尘
  • 14 篇 nanjing
  • 14 篇 胡光锐
  • 14 篇 陈松乔

语言

  • 10,403 篇 中文
  • 4,293 篇 英文
检索条件"作者=college of information and {12. engineering, lanzhou Jiaotong {2., lanzhou 730070, China"
14696 条 记 录,以下是1-10 订阅
排序:
D(β)-vertex-distinguishing total coloring of graphs
收藏 引用
Science china Mathematics 2006年 第10期49卷 1430-1440页
作者: ZHANG Zhongfu,LI Jingwen,CHEN Xiang’en,YAO Bing, WANG Wenjie & QIU Pengxiang Institute of Applied Mathematic, lanzhou jiaotong University,{2., china college of Mathematics and information Science, Northwest Normal University,{2., china college of information and Electrical engineering, lanzhou jiaotong University,{2., china Institute of Applied Mathematic Lanzhou Jiaotong University Lanzhou 730070 China college of Mathematics information Science Northwest Normal University Lanzhou 730070 China college of information Electrical engineering Lanzhou Jiaotong University Lanzhou 730070 China
A new concept of the D(β)-vertex-distinguishing total coloring of graphs, i.e., the proper total coloring such that any two vertices whose distance is not larger than β have different color sets, where the color set... 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
On adjacent-vertex-distinguishing total coloring of graphs
收藏 引用
Science china Mathematics 2005年 第3期48卷 289-299页
作者: ZHANG Zhongfu, CHEN Xiang’en, LI Jingwen, YAO Bing, LU Xinzhong & WANG Jianfang college of Mathematics and information Science, Northwest Normal University,{2., china Department of Computer, lanzhou Normal college,{2., china Institute of Applied Mathematics, lanzhou jiaotong University,{2., china college of information and Electrical engineering, lanzhou jiaotong University,{2., china Institute of Applied Mathematics, Chinese Academy of Sciences, Beijing 100080, china 1. college of Mathematics and information Science Northwest Normal University 730070 Lanzhou China 2. Department of Computer Lanzhou Normal College 730070 Lanzhou China 3. Institute of Applied Mathematics Lanzhou Jiaotong University 730070 Lanzhou China 4. college of information and Electrical {2. Lanzhou Jiaotong University 730070 Lanzhou China 5. Institute of Applied Mathematics Chinese Academy of Sciences 100080 Beijing China
In this paper, we present a new concept of the adjacent-vertex-distinguishing total coloring of graphs (briefly, AVDTC of graphs) and, meanwhile, have obtained the adjacent-vertex-distinguishing total chromatic number... 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
Improvements on voltage-resistant performance of bipolar static induction transistor (BSIT) with buried gate structure
收藏 引用
Science china(information Sciences) 2012年 第4期55卷 962-970页
作者: WANG YongShun,FENG JingJing,LIU ChunJuan,WANG ZiTing,WANG ZaiXing & ZHANG CaiZhen School of Electronic and information engineering,{2. jiaotong University,{2. 730070,china 1. School of Electronic and information engineering Lanzhou Jiaotong University Lanzhou 730070 China
The breakdown mechanism of power bipolar static induction transistor (BSIT) with buried gate structure is analyzed in depth.A power BSIT sample with high voltage-resistant capability has been designed and fabricated i... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
Robustness and breakup of the spiral wave in a two-dimensional lattice network of neurons
收藏 引用
Science china(Physics,Mechanics & Astronomy) 2010年 第4期53卷 672-679页
作者: MA Jun 1,2. TANG Jun 2., ZHANG AiHua 3 & JIA Ya 2.1 Department of Physics, lanzhou University of Technology, lanzhou 730050,{2. 2.Department of Physics, Central{2. Normal University, Wuhan 430079,{2. 3 college of Electrical and information engineering, lanzhou University of Technology, lanzhou 730050,{2. 1. Department of Physics Lanzhou University of Technology Lanzhou 730050 China2. Department of Physics Central China Normal University Wuhan 430079 China3. College of Electrical and Information Engineering Lanzhou University of Technology Lanzhou 730050 China
The robustness and breakup of spiral wave in a two-dimensional lattice networks of neurons are investigated. The effect of small- world type connection is often simplified with local regular connection and the long-ra... 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
Improvements on radiation-hardened performance of static induction transistor
收藏 引用
Science china(information Sciences) 2010年 第5期53卷 1089-1096页
作者: WANG YongShun 1 , LUO XianLiang 1 , LI HaiRong 2., WANG ZiTing 1 , WU Rong 1 , ZHANG CaiZhen 2.& LI SiYuan 2.1 School of Electronic and information engineering, {2. jiaotong University, lanzhou 730070, china 2.Institute of Microelectronics, School of Physical Science and Technology, {2. University, {2. 730000, china 1. School of Electronic and information engineering Lanzhou Jiaotong University Lanzhou 730070 China2. Institute of Microelectronics School of Physical Science and Technology Lanzhou University Lanzhou 730000 China
The radiation-hardened performances of static induction transistor (SIT) have been studied in depth in this paper. The effects of radiation of electron beam on the I-V characteristics, carrier distribution and potenti... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
Dynamic learning rates algorithm for BPNN to forecast time series of dam security
收藏 引用
Progress in Natural Science:Materials International 2007年 第12期17卷 1527-1530页
作者: Hu Daiping1, Wu Ruiming1, Lei Aizhong1 and Wang Qi2.1. Antai college of Economics & Management, Shanghai jiaotong University, Shanghai 2.0052.{2. 2. Graduate School, lanzhou University, lanzhou 730000,{2.) Antai college of Economics & Management Shanghai Jiaotong University Shanghai 200052 China Graduate School Lanzhou University Lanzhou 730000 China
Time series data of dam security have a large number of observed values and should be forecasted accurately in time. Neural networks have the powerful approach ablilities of arbitrary functions and have been broadly u... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
Short cycle structures for graphs on surfaces and an open problem of Mohar and Thomassen
收藏 引用
Science china Mathematics 2006年 第2期49卷 212-224页
作者: REN Han & DENG Mo Department of Mathematics, East china Normal University, Shanghai 2.0062. china {2. of Mathematics & information Science, Northwest Normal University, lanzhou 730070, china 1. Department of Mathematics East China Normal University Shanghai 200062 China 2. college of Mathematics & information Science Northwest Normal University Lanzhou 730070 China
In this paper we investigate cycle base structures of a (weighted) graph and show that much information of short cycles is contained in an MCB (i.e., minimum cycle base). After setting up a Hall type theorem for base-... 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
牵引变压器绕组变形在线检测方法研究
收藏 引用
铁道学报 2004年 第2期26卷 60-65页
作者: 高仕斌 王果 西南交通大学电气工程学院 四川成都610031
国内外的研究和统计表明,变压器绕组变形是电力系统安全运行的一大隐患,通过测量变压器绕组短路电抗来判断变压器绕组是否变形是一种有效的方法。本文提出了2.通过在线监测原、次边的电压和电流,实时计算绕组的短路电抗来判断变压器绕... 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
Characteristics and origins of primary fluids and noble gases in mantle-derived minerals from the Yishu area,Shandong Province,china
收藏 引用
Science china Earth Sciences 2006年 第1期49卷 77-87页
作者: MA Jinlong1,2. TAO Mingxin2.3 & YE Xianren2.1. Resources and Environmental School, lanzhou University, lanzhou 730000,{2. 2. Key Laboratory of Gas Geochemistry, Institute of Geology and Geophysics, Chinese Academy of Sciences, lanzhou 730000,{2. 3. college of Resources Science & Technology, Beijing Normal University, Beijing 100875,{2. 1. Resources and Environmental School Lanzhou University Lanzhou 730000 China 2. Key Laboratory of Gas Geochemistry Institute of Geology and Geophysics Chinese Academy of Sciences Lanzhou 730000 China 3. college of Resources Science & Technology Beijing Normal University Beijing 100875 China
Fluids and noble gases of mantle-derived materials are important tracers forthe mantle information. Compositions of primary fluids and noble gases in mantle-derived mineralsfrom the Yishu area, Shandong Province, Chin... 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
The study of adsorption gas sensor based carbon nanotube film
收藏 引用
Science china(Technological Sciences) 2005年 第4期48卷 372-384页
作者: LI Xin1, LIU Junhua2.& ZHU Changchun1 1. School of Electronic and information engineering, Xi’an {2. University, Xi’an 710049, china 2. School of Electric engineering, Xi’an {2. University, Xi’an 710049, china 1. School of Electronic and information engineering Xi’an Jiaotong University 710049 Xi’an China 2. School of Electric engineering Xi’an Jiaotong University 710049 Xi’an China
The study of gas sensitivity of multi-wall carbon nanotubes (MWNTs), which is deposited by low press chemical vapor deposition (LPCVD), is presented. The results show that the pure MWNTs are not sensitive to the gases... 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