咨询与建议

限定检索结果

文献类型

  • 23,654 篇 期刊文献
  • 7,057 篇 会议

馆藏范围

  • 30,711 篇 电子文献
  • 0 种 纸本馆藏

日期分布

学科分类号

  • 12,216 篇 工学
    • 2,228 篇 化学工程与技术
    • 1,569 篇 材料科学与工程(可...
    • 1,121 篇 电子科学与技术(可...
    • 907 篇 控制科学与工程
    • 906 篇 仪器科学与技术
    • 901 篇 地质资源与地质工...
    • 895 篇 计算机科学与技术...
    • 744 篇 机械工程
    • 676 篇 软件工程
    • 616 篇 光学工程
    • 584 篇 生物工程
    • 537 篇 水利工程
  • 11,146 篇 理学
    • 2,424 篇 化学
    • 1,920 篇 生物学
    • 1,390 篇 地质学
    • 1,297 篇 数学
    • 1,168 篇 物理学
    • 648 篇 天文学
    • 611 篇 大气科学
    • 545 篇 生态学
  • 6,924 篇 医学
    • 3,793 篇 临床医学
    • 1,027 篇 中西医结合
    • 767 篇 药学(可授医学、理...
    • 641 篇 基础医学(可授医学...
    • 621 篇 公共卫生与预防医...
    • 577 篇 中药学(可授医学、...
  • 3,182 篇 农学
    • 1,272 篇 作物学
    • 817 篇 农业资源与环境
  • 1,720 篇 管理学
    • 769 篇 管理科学与工程(可...
  • 996 篇 教育学
  • 804 篇 经济学
    • 696 篇 应用经济学
  • 557 篇 法学
  • 431 篇 文学
  • 189 篇 历史学
  • 152 篇 哲学
  • 139 篇 艺术学
  • 87 篇 军事学

主题

  • 258 篇 中国
  • 186 篇 专家共识
  • 183 篇 稀土
  • 157 篇 治疗
  • 152 篇 诊断
  • 125 篇 of
  • 108 篇 指南
  • 107 篇 china
  • 82 篇 and
  • 69 篇 high
  • 66 篇 共识
  • 56 篇 simulation
  • 50 篇 acid
  • 43 篇 analysis
  • 42 篇 rock
  • 41 篇 mechanism
  • 40 篇 肝硬化
  • 38 篇 its
  • 38 篇 老年人
  • 35 篇 实验研究

机构

  • 663 篇 北京大学
  • 400 篇 清华大学
  • 359 篇 北京师范大学
  • 300 篇 解放军总医院
  • 268 篇 中国科学院大学
  • 237 篇 中国科学院研究生...
  • 213 篇 中国科学院微生物...
  • 172 篇 北京中医药大学
  • 165 篇 中国科学院心理研...
  • 153 篇 北京大学人民医院
  • 152 篇 中国人民大学
  • 149 篇 首都师范大学
  • 126 篇 北京医院
  • 115 篇 首都医科大学宣武...
  • 112 篇 北京医科大学
  • 108 篇 中国医学科学院北...
  • 103 篇 首都医科大学附属...
  • 101 篇 首都医科大学附属...
  • 96 篇 首都医科大学
  • 95 篇 中国人民公安大学

作者

  • 1,110 篇 china
  • 276 篇 beijing
  • 192 篇 chinese academy ...
  • 131 篇 tsinghua univers...
  • 89 篇 2 graduate unive...
  • 49 篇 p.r.china
  • 46 篇 china.
  • 40 篇 p. r. china
  • 33 篇 shanghai
  • 33 篇 张杰
  • 30 篇 beijing 100039
  • 29 篇 beijing 100094
  • 28 篇 beijing 100190
  • 27 篇 陈君石
  • 26 篇 彭聃龄
  • 25 篇 beijing 100083
  • 23 篇 zhejiang univers...
  • 23 篇 beijing 100080
  • 21 篇 the chinese acad...
  • 20 篇 文榕生

语言

  • 16,614 篇 英文
  • 14,097 篇 中文
检索条件"作者=4. graduate {13. of chinese academy of {3., Beijing 10004., China"
30711 条 记 录,以下是1-10 订阅
排序:
SHRIMP zircon U-Pb geochronology of early Mesozoic felsic igneous rocks from the southern Lancangjiang and its tectonic implications
收藏 引用
Science china Earth Sciences 2006年 第10期49卷 1032-1042页
作者: PENG Touping1,2, WANG Yuejun1, FAN Weiming1, LIU Dunyi3. SHI Yuruo3.& MIAO Laicheng4.1. Key Laboratory of Isotope Geochronology and Geochemistry, Guangzhou Institute of Geochemistry, chinese academy of Sciences, Guangzhou 51064., china 2. graduate University of chinese academy of Sciences, beijing 10003., china 3. SHRIMP isotope Laboratory, chinese academy of Geological Sciences, beijing 10003., china 4. Institute of Geology and Geophysics, chinese academy of Sciences, beijing 100029, china Key Laboratory of Isotope Geochronology and Geochemistry Guangzhou Institute of Geochemistry Chinese Academy of Sciences Guangzhou China graduate University of chinese academy of Sciences Beijing China SHRIMP isotope Laboratory Chinese Academy of Geological Sciences Beijing China Institute of Geology and Geophysics Chinese Academy of Sciences Beijing China
The SHRIMP zircon U-Pb geochronology of three typical samples, including two monzo nitic granites from the Lincang batholith and a rhyolite from the Manghuai Formation are presented in the southern Lancangjiang, weste... 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
Modeling and verifying Web services driven by requirements:An ontology-based approach
收藏 引用
Science in china(Series F) 2006年 第6期49卷 792-820页
作者: HOU Lishan1,3.JIN ZHi1,2 & WU Budan1,4.1. academy of Mathematics and Systems Science, chinese academy of Sciences, beijing 100080,{4. 2. Institute of Computing Technology, chinese academy of Sciences, beijing 100080,{4. 3. Institute of Software, chinese academy of Sciences, beijing 100080,{4. 4. {13. University of chinese academy of Sciences, beijing 10004.,{4. 1. academy of Mathematics and Systems Science Chinese Academy of Sciences Beijing 100080 China 3. Institute of Software Chinese Academy of Sciences Beijing 100080 China 2. Institute of Computing Technology Chinese Academy of Sciences Bejing 100080 China 4. graduate University of chinese {3. of Sciences Beijing 100049 China
Automatic discovery and composition of Web services is an important research area in Web service technology, in which the specification of Web services is a key issue. This paper presents a Web service capability desc... 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
Analysis and application of automatic deformation monitoring data for buildings and structures of mining area
收藏 引用
中国有色金属学会会刊:英文版 2011年 第S3期21卷 516-522页
作者: XIAO Jie1, 2, 3. ZHANG Jin4.1. Institute of Geodesy and Geophysics, chinese academy of Sciences, Wuhan 4.0077, china 2. Key Laboratory of Dynamic Geodesy, Institute of Geodesy and Geophysics, chinese academy of Sciences, Wuhan 4.0077, china 3. graduate School of chinese academy of Sciences, beijing 10004., china 4. Department of Surveying and Mapping, Taiyuan University of Technology, Taiyuan 03.024. china Taiyuan Univ Technol Dept Surveying & Mapping Taiyuan 030024 Peoples R China chinese Acad Sci Inst Geodesy & Geophys Key Lab Dynam Geodesy Wuhan 430077 Peoples R China chinese Acad Sci Grad Sch Beijing 100049 Peoples R China
The buildings and structures of mines were monitored automatically using modern surveying technology. Through the analysis of the monitoring data, the deformation characteristics were found out from three aspects cont... 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
Isotopic feature and uranium dating of the volcanic rocks in the Okinawa Trough
收藏 引用
中国科学:地球科学英文版 2006年 第4期49卷 375-383页
作者: HUANG Peng1,2, LI Anchun1, HU Ningjing2,3. FU Yongtao1& MA Zhibang4.1. Institute of Oceanology, chinese academy of Sciences, Qingdao 266071,{3. 2. graduate School of the chinese academy of Sciences, beijing 10003.,{3. 3. Institute of Soil Science, chinese academy of Sciences, Nanjing 210008,{3. 4. Institute of Geology and Geophysics, chinese academy of Sciences, beijing 100029,{3. 1. Institute of Oceanology Chinese Academy of Sciences Qingdao 266071 China 2. graduate School of the chinese academy of Sciences Beijing 100039 China 3. Institute of Soil Science Chinese Academy of Sciences Nanjing 210008 China 4. Institute of Geology and Geophysics Chinese Academy of Sciences Beijing 100029 China
Volcanic rocks from the northern and middle Okinawa Trough were dated by ura- nium-series dating method. Differential fractions using magnetic procedure were designed to separate samples. New report on the ages and 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
Application of the moist vorticity vector in the analysis of a heavy rainfall event in North china
收藏 引用
Progress in Natural Science:Materials International 2007年 第12期17卷 1457-1465页
作者: Zhao Yu1,2,3. Wang Jianguo4.and Xue Deqiang2(1. Laboratory of Cloud-Precipitation Physics and Severe Storms, Institute of Atmospheric Physics, chinese academy of Sciences, {3. 100029, china 2. Shandong Provincial Meteorological Observatory, Jinan 25003., china 3. graduate University of chinese academy of Sciences, {3. 10003., china 4. Shandong Provincial Meteorological Bureau, Jinan 25003., china) Laboratory of Cloud-Precipitation Physics and Severe Storms Institute of Atmospheric Physics Chinese Academy of Sciences Beijing 100029 China Shandong Provincial Meteorological Observatory Jinan 250031 China graduate University of chinese academy of Sciences Beijing 100039 China Shandong Provincial Meteorological Bureau Jinan 250031 China
The moist vorticity vector (MVV), defined as (ζa×▽qv)/ρ introduced by Gao et al. is used to study a heavy rainfall event in North china. The MVV has zonal, meridional and vertical components in a three-dimensional... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
Discovery of immune related factors in Fenneropenaeus chinensis by annotation of ESTs
收藏 引用
Progress in Natural Science:Materials International 2004年 第1期14卷 48-55页
作者: SHEN Yaoqing 1,2 , XIANG Jianhai 1*, WANG Bing 1,2 , LI Fuhua 1 and TONG Wei 3.1. Experimental Marine Biology Laboratory, Institute of Oceanology, chinese academy of Sciences, Qingdao 266071,china 2. {3. School of the chinese academy of Sciences, beijing 10003., china 3. Genomics & Bioinformatics Institute, chinese academy of Sciences, beijing 1013.0, china) chinese Acad Sci Inst Oceanol Expt Marine Biol Lab Qingdao 266071 Peoples R China chinese Acad Sci Grad Sch Beijing 100039 Peoples R China chinese Acad Sci Geonom & Bioinformat Inst Beijing 101300 Peoples R China
A total of 104.6 expressed sequence tags (ESTs) are obtained by a large scale sequencing of a cDNA library from cephalothorax of adult Fenneropenaeus chinensis . An EST analysis platform was built up based on loca... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
The onset and advance of the Asian summer monsoon
收藏 引用
Science Bulletin 2006年 第1期51卷 80-88页
作者: Lü Junmei1,2,4. ZHANG Qingyun1, TAO Shiyan1 & JU Jianhua3.1. State Key Laboratory of Numerical Modeling for Atmospheric Sci- ences and Geophysical Fluid Dynamics, Institute of Atmospheric Physics, chinese academy of Sciences, {3. 100029, china 2. Department of Atmospheric Sciences, Yunnan University, Kunming 650091, china 3. china Meteorological Administration Training Centre, {3. 100081, china 4. graduate School of chinese academy of Sciences, {3. 10003., china State Key Laboratory of Numerical Modeling for Atmospheric Sciences and Geophysical Fluid Dynamics Institute of Atmospheric Physics Chinese Academy of Sciences Beijing 100029 China Department of Atmospheric Sciences Yunnan University Kunming 650091 China graduate School of chinese academy of Sciences Beijing 100039 China china Meteorological Administration Training Centre Beijing 100081 China
Based on the daily outgoing longwave radiation (OLR) data from National Oceanic and At- mospheric Administration (NOAA) satellites, the Cli- mate Prediction Center’s merged analysis of pre- cipitation (CMAP) data and... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
Estimating surface evapotranspiration using combined MODIS and CBERS-02 data
收藏 引用
Science china(Technological Sciences) 2005年 第S2期48卷 145-160页
作者: XIN Xiaozhou1,2, LIU Qinhuo1, TANG Yong1,3. TIAN Guoliang1, GU Xingfa1, LI Xiaowen1,2, ZHENG Hongsheng4.& CHEN Jiayi4.1. State Key Laboratory of Remote Sensing Science, Institute of Remote Sensing Applications, chinese {3. of Sciences, beijing 100101, china 2. Research Center for Remote Sensing and GIS, Department of Geography, beijing Normal University, beijing 100875, china 3. graduate University of chinese {3. of Sciences, beijing 10003., china 4. Department of Atmospheric Physics, Peking University, beijing 100871, china 1. State Key Laboratory of Remote Sensing Science Institute of Remote Sensing Applications Chinese Academy of Sciences 100101 Beijing China2. Research Center for Remote Sensing and GIS Department of Geography Beijing Normal University 100875 Beijing China3. Graduate University of Chinese Academy of Sciences 100039 Beijing China4. Department of Atmospheric Physics Peking University 100871 Beijing China
Spatial scale error is one of the most serious problems in the estimates of land surface heat fluxes of sensible and latent from satellite-borne data such as MODIS 1km resolution reflectance and emissive data. One of ... 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
An improved method for evaluating the seasonal variability of total suspended sediment flux field in the Yellow and East china Seas
收藏 引用
International Journal of Sediment Research 2011年 第1期26卷 1-14页
作者: PANG Chongguang~1,YU Wei~2,YANG Yang~3.and HAN Danxiu~4.Institute of Oceanology,chinese academy of Sciences,Qingdao 266071,{3., 2 Institute of Oceanology,chinese academy of Sciences,Qingdao 266071,{3.,graduate School of chinese academy of Sciences,beijing 10003.,{3. 3.Institute of Oceanology,chinese academy of Sciences,Qingdao 266071,{3.,graduate School of chinese academy of Sciences,beijing 10003.,{3. 4.19} University of Petroleum,beijing 10224.,{3. [a] Doctor Researcher Institute of Oceanology chinese academy of Sciences Qingdao 266071 china [b] Institute of Oceanology chinese academy of Sciences Qingdao 266071 china graduate School of chinese academy of Sciences beijing 10003. china [c] Institute of Oceanology chinese academy of Sciences Qingdao 266071 china graduate School of chinese academy of Sciences beijing 10003. china [d] china University of Petroleum beijing 10224. china
The suspended sediment flux field in the Yellow and East china Seas(YECS) displays its seasonal variability.A new method is introduced in this paper to obtain the flux field via retrieval of ocean color remote sensing... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
2023.Guideline for the management of hypertension in the elderly population in china
收藏 引用
Journal of Geriatric Cardiology 2024年 第6期21卷 589-630页
作者: Hypertension Branch of chinese Geriatrics Society,beijing Hypertension Association,National Clinical Research Center of the Geriatric Diseases Qi HUA Li FAN Zeng-Wu WANG Jing LI 不详 Xuanwu Hospital Capital Medical UniversityBeijingChina chinese PLA General Hospital BeijingChina Fuwai Hospital Chinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina
Preamble Hypertension is one of the most common chronic diseases and the primary risk factor for stroke,myocardial infarction and even cardiovascular *** than half of the elderly population has high blood *** people a... 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