咨询与建议

限定检索结果

文献类型

  • 103,110 篇 期刊文献
  • 21,010 篇 会议
  • 10 册 图书

馆藏范围

  • 124,123 篇 电子文献
  • 7 种 纸本馆藏

日期分布

学科分类号

  • 62,804 篇 工学
    • 11,080 篇 材料科学与工程(可...
    • 8,042 篇 化学工程与技术
    • 6,892 篇 机械工程
    • 6,830 篇 计算机科学与技术...
    • 5,700 篇 控制科学与工程
    • 5,235 篇 软件工程
    • 4,055 篇 仪器科学与技术
    • 4,015 篇 电子科学与技术(可...
    • 2,988 篇 信息与通信工程
    • 2,398 篇 动力工程及工程热...
    • 2,283 篇 地质资源与地质工...
    • 2,270 篇 土木工程
    • 2,267 篇 水利工程
    • 2,241 篇 环境科学与工程(可...
  • 33,656 篇 理学
    • 8,365 篇 数学
    • 5,737 篇 化学
    • 5,354 篇 生物学
    • 4,178 篇 物理学
    • 3,466 篇 系统科学
    • 2,070 篇 地质学
  • 15,112 篇 医学
    • 7,786 篇 临床医学
    • 2,193 篇 药学(可授医学、理...
    • 2,057 篇 中西医结合
  • 12,130 篇 农学
    • 3,903 篇 作物学
    • 2,835 篇 农业资源与环境
  • 11,520 篇 管理学
    • 6,511 篇 管理科学与工程(可...
    • 2,433 篇 公共管理
  • 7,877 篇 教育学
    • 3,715 篇 教育学
    • 3,197 篇 体育学
  • 4,923 篇 经济学
    • 4,370 篇 应用经济学
  • 3,581 篇 法学
  • 2,175 篇 文学
  • 1,054 篇 哲学
  • 935 篇 艺术学
  • 912 篇 历史学
  • 530 篇 军事学

主题

  • 1,625 篇 中国
  • 667 篇 of
  • 321 篇 高校
  • 321 篇 应用
  • 301 篇 model
  • 295 篇 and
  • 291 篇 china
  • 260 篇 稀土
  • 260 篇 设计
  • 257 篇 microstructure
  • 236 篇 发展
  • 233 篇 治疗
  • 223 篇 合成
  • 210 篇 stability
  • 205 篇 simulation
  • 200 篇 大学生
  • 191 篇 数值模拟
  • 187 篇 apoptosis
  • 186 篇 analysis
  • 185 篇 仿真

机构

  • 1,992 篇 四川大学
  • 1,754 篇 同济大学
  • 1,491 篇 中国科学技术大学
  • 1,390 篇 山东大学
  • 1,283 篇 武汉大学
  • 1,257 篇 华中科技大学
  • 1,119 篇 西南师范大学
  • 902 篇 天津大学
  • 854 篇 上海交通大学
  • 833 篇 山东农业大学
  • 767 篇 苏州大学
  • 728 篇 华东师范大学
  • 715 篇 上海大学
  • 624 篇 武汉理工大学
  • 528 篇 清华大学
  • 526 篇 浙江大学
  • 520 篇 山东科技大学
  • 467 篇 北京大学
  • 446 篇 华南理工大学
  • 397 篇 华东理工大学

作者

  • 3,290 篇 china
  • 350 篇 p.r.china
  • 269 篇 beijing
  • 245 篇 china)
  • 132 篇 shanghai
  • 127 篇 tsinghua univers...
  • 125 篇 chinese academy ...
  • 89 篇 china.
  • 84 篇 2 graduate unive...
  • 78 篇 huazhong univers...
  • 69 篇 张敏
  • 55 篇 changsha
  • 51 篇 wuhan
  • 49 篇 刘杰
  • 47 篇 张波
  • 45 篇 p. r. china
  • 32 篇 莫雷
  • 32 篇 王勇
  • 30 篇 张霞
  • 30 篇 张伟

语言

  • 70,781 篇 中文
  • 53,348 篇 英文
  • 1 篇 日文
检索条件"作者=4 china Center of Advanced Science and technology , Beijing 100080, china"
124130 条 记 录,以下是1-10 订阅
排序:
BRST quantization and canonical Ward identity of the supersymmetric electromagnetic interaction system
收藏 引用
science china(Physics,Mechanics & Astronomy) 2007年 第3期50卷 339-347页
作者: HUANG YongChang1,3,4, JIANG YunGuo1 & LI XinGuo2,3 1 Institute of Theoretical Physics, College of Applied sciences, beijing University of technology, beijing 100022, china 2 Institute of Modern Physics, Chinese Academy of sciences, Lanzhou 730000, china 3 center of Theoretical Nuclear Physics, National Laboratory of Heavy Ion Collisions, Chinese Academy of sciences, Lanzhou 730000, china 4 china center of advanced science and technology (World Laboratory), beijing 100080, china Institute of Theoretical Physics College of Applied Sciences Beijing University of Technology Beijing China center of Theoretical Nuclear Physics National Laboratory of Heavy Ion Collisions Chinese Academy of Sciences Lanzhou China china center of advanced science and technology (World Laboratory) Beijing China Institute of Modern Physics Chinese Academy of Sciences Lanzhou China
According to the method of path integral quantization for the canonical constrained system in Becchi-Rouet-Stora-Tyutin scheme, the supersymmetric electromagnetic interaction system was quantized. Both the Hamiltonian... 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
Report on Cardiovascular Health and Diseases in china 2023:An Updated Summary
收藏 引用
Biomedical and Environmental sciences 2024年 第9期37卷 949-992页
作者: National center for Cardiovascular Diseases The Writing Committee of the Report on Cardiovascular Health and Diseases in china Shengshou Hu .
Since 1990,china has made considerable progress in resolving the problem of“treatment difficulty”of cardiovascular diseases(CVD).The prevalent unhealthy lifestyle among Chinese residents has exposed a massive propor... 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
Community-based prevention and treatment of cardiovascular diseases
收藏 引用
Journal of Geriatric Cardiology 2024年 第3期21卷 315-322页
作者: Sheng-Shou HU The Writing Committee of the Report on Cardiovascular Health and Diseases in china Fuwai Hospital National Center for Cardiovascular DiseasesChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina
The Annual Report on Cardiovascular Health and Diseases in china(2022)intricate landscape of cardiovascular health in *** is the third section of the report with a specific focus on community-based prevention and trea... 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
Cardiovascular Risk Factors in china
收藏 引用
Journal of Geriatric Cardiology 2024年 第2期21卷 153-199页
作者: Sheng-Shou HU the Writing Committee of the Report on Cardiovascular Health and Diseases in china Fuwai Hospital National Center for Cardiovascular DiseasesChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina 不详
The Annual Report on Cardiovascular Health and Diseases in china(2022) intricate landscape of cardiovascular health in china. This section dissects cardiovascular risk factors in china which including hypertension, dy... 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
Heart failure in china:epidemiology and current management
收藏 引用
Journal of Geriatric Cardiology 2024年 第6期21卷 631-641页
作者: Sheng-Shou HU the Writing Committee of the Report on Cardiovascular Health and Diseases in china Fuwai Hospital National Center for Cardiovascular DiseasesChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina
The Annual Report on Cardiovascular Health and Diseases in china(2022)intricate landscape of cardiovascularhealth in *** connection with the previous section,this sixth section of the report offers a comprehensive ana... 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
Modulated Quasi-plane Tunneling Current
收藏 引用
International Journal of Minerals,Metallurgy and Materials 1999年 第1期13卷 44-46页
作者: Peng Feng Wenmin Dai (china center of advanced science & technology (World Laboratory ) P.O. Box 8730, beijing 100080, china)(Applied science School, University of science and technology beijing, beijing 100083, china) china center of advanced science and technology (World Laboratory) P.O. Box 8730 Beijing 100080 China Applied science School University of Science and Technology Beijing Beijing 100083 China
A new tutmeling junction can be formed by an insulator layer inserting into a quantum well, and in the quantum well, a quasi-plane tunneling current can be formed by applying a tunneling voltage. If a P-N junction is ... 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
Pulmonary embolism and deep venous thrombosis in china
收藏 引用
Journal of Geriatric Cardiology 2024年 第8期21卷 775-778页
作者: Sheng-Shou HU the Writing Committee of the Report on Cardiovascular Health and Diseases in china Fuwai Hospital National Center for Cardiovascular DiseasesChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina 不详
The Annual Report on Cardiovascular Health and Diseases in china(2022) intricate landscape of cardiovascular health in *** connection with the previous section,this eighth section of the report offers a comprehensive ... 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
Representations of Real and Complex Stability Radii of 2-Dimensional LinearSystems
收藏 引用
International Journal of Minerals,Metallurgy and Materials 1999年 第4期13卷 299-301页
作者: Lequan Min1.2 Ning Song1(l Applied science School, University of science and technologybeijing, beijing 100083, china2 china center of advanced science and technology, beijing 100080, china) Applied science School University of Science and Technology Beijing Beijing 100083 China china center of advanced science and technology Beijing 100080 China
Rigorous proofs are given for the representations of real and complex stability' radii of 2-dimensional linear systems. This representations can be used to analyze the robustness of a nominal 2-dimensional linear syst... 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
Online application of automatic surface quality inspection system to finishing line of cold rolled strips
收藏 引用
Journal of University of science and technology beijing 2003年 第4期10卷 38-41页
作者: Hao Sun, Ke Xu, and Jinwu XuNational Engineering Research center of advanced Rolling, University of science and technology beijing, beijing 100083, china Natl. Eng. Res. Ctr. of Adv. Rolling Univ. of Sci. and Technol. Beijing Beijing 100083 China
An automatic surface quality inspection system installed on a finishing lineof cold rolled strips is introduced. The system is able to detect surface defects on cold rolledstrips, such as scratches, coil breaks, rusts... 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
SUPERCONVERGENCES OF THE ADINI'S ELEMENT FORSECOND ORDER EQUATION
收藏 引用
Journal of Computational Mathematics 1999年 第6期17卷 569-574页
作者: Ping Luo(Department of Computer science and technology, Qinghua University, beijing 100084,china)Qun Lin(Institute of Systems science, Academia Sinica, beijing, 100080, china) 清华大学计算机系 北京 100084 中科院系统科学所 北京 100080
n this papers the asymptotic error expansions of Adini's element for the secondorder imhomogeneous Neumann problem are given and the superconvergence estimations are obtained. Moreover, a numerical example to support ... 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