咨询与建议

限定检索结果

文献类型

  • 381,663 篇 期刊文献
  • 40,585 篇 会议
  • 157 册 图书
  • 20 篇 报纸

馆藏范围

  • 422,320 篇 电子文献
  • 110 种 纸本馆藏

日期分布

学科分类号

  • 192,864 篇 工学
    • 34,705 篇 材料科学与工程(可...
    • 28,485 篇 化学工程与技术
    • 22,366 篇 机械工程
    • 21,507 篇 计算机科学与技术...
    • 13,357 篇 土木工程
    • 12,985 篇 电气工程
    • 12,618 篇 动力工程及工程热...
    • 12,094 篇 控制科学与工程
    • 11,853 篇 电子科学与技术(可...
    • 11,765 篇 软件工程
    • 11,741 篇 信息与通信工程
    • 11,566 篇 水利工程
    • 10,636 篇 地质资源与地质工...
    • 10,490 篇 仪器科学与技术
    • 10,125 篇 环境科学与工程(可...
    • 9,443 篇 生物医学工程(可授...
  • 100,851 篇 理学
    • 24,167 篇 化学
    • 23,683 篇 数学
    • 22,293 篇 生物学
    • 16,987 篇 物理学
  • 89,155 篇 医学
    • 48,360 篇 临床医学
    • 11,218 篇 基础医学(可授医学...
    • 11,051 篇 护理学(可授医学、...
    • 10,297 篇 中西医结合
    • 9,886 篇 药学(可授医学、理...
  • 35,472 篇 管理学
    • 13,919 篇 管理科学与工程(可...
    • 9,929 篇 公共管理
  • 34,884 篇 农学
    • 12,040 篇 作物学
  • 28,454 篇 教育学
    • 17,035 篇 教育学
  • 21,250 篇 经济学
    • 18,739 篇 应用经济学
  • 18,175 篇 法学
  • 13,108 篇 文学
  • 4,659 篇 历史学
  • 4,092 篇 哲学
  • 3,889 篇 艺术学
  • 1,585 篇 军事学

主题

  • 5,949 篇 中国
  • 2,738 篇 应用
  • 2,542 篇 治疗
  • 2,369 篇 病人
  • 2,041 篇 设计
  • 1,793 篇 高校
  • 1,779 篇 对策
  • 1,667 篇 诊断
  • 1,298 篇 大学生
  • 1,273 篇 发展
  • 1,211 篇 护理
  • 1,183 篇 可持续发展
  • 1,129 篇 大鼠
  • 1,102 篇 研究
  • 1,088 篇 分析
  • 1,080 篇 合成
  • 1,065 篇 数学模型
  • 987 篇 影响因素
  • 926 篇 影响
  • 925 篇 测定

机构

  • 3,978 篇 上海交通大学
  • 3,872 篇 北京大学
  • 3,606 篇 清华大学
  • 3,401 篇 四川大学
  • 3,074 篇 山东大学
  • 2,988 篇 同济大学
  • 2,881 篇 武汉大学
  • 2,633 篇 北京师范大学
  • 2,598 篇 华中师范大学
  • 2,396 篇 华东师范大学
  • 2,386 篇 山西大学
  • 2,256 篇 天津大学
  • 2,246 篇 浙江大学
  • 2,010 篇 华南理工大学
  • 1,925 篇 中国科学技术大学
  • 1,828 篇 武汉理工大学
  • 1,823 篇 华中科技大学
  • 1,812 篇 石油大学
  • 1,786 篇 中国地质大学
  • 1,553 篇 中山大学

作者

  • 6,261 篇 china
  • 784 篇 beijing
  • 779 篇 china)
  • 724 篇 p.r.china
  • 317 篇 chinese academy ...
  • 267 篇 李伟
  • 253 篇 李军
  • 238 篇 张伟
  • 232 篇 王伟
  • 189 篇 王勇
  • 187 篇 李莉
  • 182 篇 李强
  • 178 篇 shanghai
  • 174 篇 刘伟
  • 167 篇 tsinghua univers...
  • 167 篇 王军
  • 166 篇 p. r. china
  • 165 篇 张敏
  • 161 篇 张健
  • 161 篇 张勇

语言

  • 324,600 篇 中文
  • 97,770 篇 英文
  • 6 篇 日文
  • 1 篇 其他
检索条件"作者=4 CCAST,World Laboratory,Beijing 100080,China"
422425 条 记 录,以下是1-10 订阅
排序:
How random are matrix elements of the nuclear shell model Hamiltonian?
收藏 引用
Science china(Physics,Mechanics & Astronomy) 2009年 第10期52卷 1477-1481页
作者: SHEN JiaJie1 & ZHAO YuMing1,2,3,4 1 Department of Physics,Shanghai Jiao Tong University,Shanghai 200240,china 2 Center of Theoretical Nuclear Physics,National laboratory of Heavy Ion Accelerator,Lanzhou 730000,china 3 Nishina Center,Institute of Physical Chemical Research(RIKEN),Hirosawa 2-1,Wako-shi,Saitama 351-0198,Japan 4 ccast,world laboratory,beijing 100080,china Department of Physics Shanghai Jiao Tong University Shanghai China Center of Theoretical Nuclear Physics National Laboratory of Heavy Ion Accelerator Lanzhou China Nishina Center Institute of Physical Chemical Research (RIKEN) Saitama Japan
In this paper we study the general behavior of matrix elements of the nuclear shell model *** find that nonzero off-diagonal elements exhibit a regular pattern,if one sorts the diagonal matrix elements from smaller to... 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
Guidelines for the Prevention, Diagnosis, Care and Treatment for People with Chronic Hepatitis B Infection (Text Extract): Executive Summary
收藏 引用
Infectious Diseases & Immunity 2024年 第3期4卷 103-105页
作者: world Health Organization 不详
Hepatitis B virus(HBV)infection is a major public health problem and cause of chronic liver disease that led to an estimated 820,000 deaths in 2019,mainly due to cirrhosis and liver *** 2019,WHO estimated that 296 mil... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Recommendation Method for Contrastive Enhancement of Neighborhood Information
收藏 引用
Computers, Materials & Continua 2024年 第1期78卷 453-472页
作者: Hairong Wang beijing Zhou Lisi Zhang He Ma School of Computer Science and Engineering North Minzu UniversityNingxia750021China
Knowledge graph can assist in improving recommendation performance and is widely applied in various person-alized recommendation ***,existing knowledge-aware recommendation methods face challenges such as weak user-it... 详细信息
来源: 维普期刊数据库 维普期刊数据库 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
Chinese expert consensus on refined diagnosis,treatment,and management of advanced primary liver cancer(2023 edition)
收藏 引用
肝脏研究(英文) 2024年 第2期8卷 61-71页
作者: Xiufeng Liu Feng Xia Yue Chen Huichuan Sun Zhengqiang Yang Bo Chen Ming Zhao Xinyu Bi Tao Peng Aizier Ainiwaer Zhiwen Luo Fusheng Wang Yinying Lu National Clinical Research Center for Infectious Diseases Society of Hepatology,beijing Medical Association Translational Medicine Branch,china Association of Gerontology and Geriatrics Department of Medical Oncology Bayi Hospital Affiliated to Nanjing Chinese Medical University NanjingJiangsuChina Department of Hepatobiliary Surgery Southwest HospitalArmy Medical University ChongqingChina Senior Department of Hepatology The Fifth Medical Center of PLA General HospitalBeijingChina Department of Liver Surgery and Transplantation Liver Cancer InstituteZhongshan HospitalFudan UniversityShanghaiChina Department of Interventional Therapy National Cancer Center/National Clinical Research Center for Cancer/Cancer HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina Department of Radiation Oncology National Cancer Center/National Clinical Research Center for Cancer/Cancer HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina Department of Minimally Invasive Interventional Therapy Liver Cancer Study and Service GroupSun Yat-sen University Cancer CenterGuangzhouGuangdongChina Department of Hepatobiliary Surgery National Cancer Center/National Clinical Research Center for Cancer/Cancer HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina Department of Hepatobiliary Surgery The First Affiliated Hospital of Guangxi Medical UniversityNanningGuangxiChina Senior Department of Infectious Diseases The Fifth Medical Center of PLA General HospitalBeijingChina Comprehensive Liver Cancer Center The Fifth Medical Center of PLA General HospitalBeijingChina
Hepatocellular carcinoma(HCC),commonly known as primary liver cancer,is a major cause of malignant tumors and cancer-related deaths in china,accounting for approximately 85%of all cancer cases in the *** guidelines h... 详细信息
来源: 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
Interpretation of the Annual Report on Cardiovascular Health and Diseases in china 2022
收藏 引用
Cardiology Discovery 2024年 第1期4卷 58-80页
作者: The Writing Committee of the Annual Report on Cardiovascular Health and Diseases in china Zengwu Wang Shengshou Hu 不详
The Chinese edition of the Annual Report on Cardiovascular Health and Diseases in china 2022 has been published.[1] We present herein an interpretation of this report.
来源: 维普期刊数据库 维普期刊数据库 评论
Quantal conserved charge in non-Abelian Chern-Simons theories
收藏 引用
Chinese Science Bulletin 1999年 第3期44卷 207-210页
作者: LI Zipingccast( world laboratory), beijing 100080, china Department of Applied Physics, beijing Polytechnic University, beijing 100022, china ccast(world laboratory) Beijing China Department of Applied Physics Beijing Polytechnic University Beijing China
Based on the global canonical symmetry of the path integral in phase space, the quantal conserved angular momentum and BRS charge for non-Abelian Chern-Simons (CS) theories have been derived. The possibility of the oc... 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
Embracing a Vibrant Year of the Dragon
收藏 引用
china Today 2024年 第3期73卷 16-19页
作者: china TODAY
china TODAY,THE eight-day-long Spring Festival holiday saw a tourism boom across the country whose blend of pop and traditional culture illumined Lunar Chinese New Year *** beijing authorities attest to the 100 or mor... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论