咨询与建议

限定检索结果

文献类型

  • 214,388 篇 期刊文献
  • 1,760 篇 会议
  • 10 篇 学位论文
  • 2 册 图书

馆藏范围

  • 216,158 篇 电子文献
  • 2 种 纸本馆藏

日期分布

学科分类号

  • 95,221 篇 医学
    • 56,505 篇 临床医学
    • 13,548 篇 中西医结合
    • 9,783 篇 药学(可授医学、理...
    • 9,435 篇 公共卫生与预防医...
    • 8,641 篇 中药学(可授医学、...
    • 7,991 篇 基础医学(可授医学...
    • 7,069 篇 医学技术(可授医学...
    • 3,694 篇 中医学
  • 78,905 篇 工学
    • 12,909 篇 化学工程与技术
    • 12,381 篇 材料科学与工程(可...
    • 6,473 篇 机械工程
    • 6,094 篇 计算机科学与技术...
    • 4,766 篇 软件工程
    • 4,751 篇 生物医学工程(可授...
    • 4,576 篇 食品科学与工程(可...
    • 4,030 篇 生物工程
    • 3,757 篇 环境科学与工程(可...
    • 3,608 篇 仪器科学与技术
    • 3,325 篇 电子科学与技术(可...
    • 3,296 篇 水利工程
  • 32,267 篇 理学
    • 8,958 篇 化学
    • 7,821 篇 生物学
    • 3,889 篇 物理学
    • 3,614 篇 生态学
  • 30,615 篇 农学
    • 9,118 篇 作物学
    • 5,280 篇 农业资源与环境
    • 3,570 篇 畜牧学
    • 3,417 篇 园艺学
  • 8,272 篇 管理学
    • 3,842 篇 管理科学与工程(可...
  • 4,926 篇 教育学
    • 3,635 篇 教育学
  • 2,743 篇 经济学
  • 1,502 篇 法学
  • 995 篇 文学
  • 833 篇 艺术学
  • 473 篇 历史学
  • 292 篇 军事学
  • 281 篇 哲学

主题

  • 1,804 篇 预后
  • 1,306 篇 儿童
  • 1,283 篇 大鼠
  • 1,118 篇 细胞凋亡
  • 1,048 篇 产量
  • 1,027 篇 凋亡
  • 957 篇 乙型肝炎病毒
  • 879 篇 诊断
  • 816 篇 影响因素
  • 800 篇 慢性乙型肝炎
  • 756 篇 危险因素
  • 753 篇 耐药性
  • 704 篇 治疗
  • 700 篇 磁共振成像
  • 676 篇 疗效
  • 659 篇 水稻
  • 655 篇 数值模拟
  • 639 篇 肝硬化
  • 623 篇 nf-κb
  • 596 篇 合成

机构

  • 2,101 篇 华南理工大学
  • 1,886 篇 中山大学
  • 1,696 篇 华南农业大学
  • 1,568 篇 浙江大学
  • 1,559 篇 河海大学
  • 1,312 篇 中国科学院大学
  • 1,086 篇 福建农林大学
  • 1,078 篇 中南大学
  • 1,018 篇 广州中医药大学
  • 987 篇 广东工业大学
  • 931 篇 南京农业大学
  • 912 篇 中国农业大学
  • 911 篇 上海交通大学
  • 904 篇 同济大学
  • 882 篇 西南大学
  • 854 篇 暨南大学
  • 851 篇 西北农林科技大学
  • 844 篇 中山大学附属第一...
  • 774 篇 南方医科大学
  • 757 篇 扬州大学

作者

  • 1,174 篇 陈伟
  • 950 篇 陈静
  • 765 篇 陈勇
  • 736 篇 陈涛
  • 733 篇 陈敏
  • 732 篇 陈刚
  • 584 篇 陈斌
  • 570 篇 陈晨
  • 569 篇 陈杰
  • 566 篇 陈洁
  • 561 篇 陈军
  • 558 篇 陈亮
  • 531 篇 陈曦
  • 528 篇 陈颖
  • 484 篇 陈鹏
  • 478 篇 陈磊
  • 459 篇 陈浩
  • 458 篇 陈华
  • 434 篇 陈辉
  • 426 篇 陈芳

语言

  • 198,047 篇 中文
  • 18,110 篇 英文
  • 3 篇 日文
检索条件"作者=X.B. Chen"
216160 条 记 录,以下是4991-5000 订阅
排序:
Physical investigation of subthreshold swing degradation behavior in negative capacitance FET
收藏 引用
Science China(Information Sciences) 2022年 第6期65卷 241-246页
作者: Mengxuan YANG Qianqian HUANG Kaifeng WANG Chang SU Liang chen Yangyuan WANG Ru HUANG Key Laboratory of Microelectronic Devices and Circuits (MOE) Institute of MicroelectronicsPeking University beijing Laboratory of Future IC Technology and Science Peking University
Power consumption has become one of the bottlenecks limiting the future development of integrated circuits. Tunnel FETs(TFETs) and negative capacitance FETs(NCFETs) can break the subthreshold swing limitation(60 mV/de... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
Orientations of nuclei during static recrystallization in a cold-rolled Mg-Zn-Gd alloy
收藏 引用
Journal of Materials Science & Technology 2021年 第1期60卷 162-167页
作者: L.Y.Zhao H.Yan R.S.chen En-Hou Han The Group of Magnesium Alloys and Their Applications Institute of Metal ResearchChinese Academy of Sciences62 Wencui RoadShenyang 110016China School of Materials Science and Engineering University of Science and Technology of China72 Wenhua RoadShenyang 110016China
The static recrystallization process of a cold-rolled Mg-Zn-Gd alloy was tracked by a quasi-in-situ electron backscatter diffraction method to investigate the orientations of *** results show that orientation distribu... 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
Systematic review of mixing technology for recycling waste tailings as cemented paste backfill in mines in China
收藏 引用
International Journal of Minerals,Metallurgy and Materials 2023年 第8期30卷 1430-1443页
作者: Liuhua Yang Jincang Li Hongbin Liu Huazhe Jiao Shenghua Yin xinming chen Yang Yu School of Civil Engineering Henan Polytechnic UniversityJiaozuo454003China Department of Civil Engineering University of Ottawa161 Colonel By DriveOttawaONK1N 6N5Canada School of Civil and Resource Engineering University of Science and Technology BeijingBeijing100083China School of Surveying and Land Information Engineering Henan Polytechnic UniversityJiaozuo454000China China Geological Environmental Monitoring Institute Beijing100081China
The development of industry is inseparable from the support of ***,mining processes consume a large amount of energy,and increased tailing emissions can have a significant impact on the *** the past few decades,the mi... 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
Cob and bN composites enabling integrated adsorption/catalysis to polysulfides for inhibiting shuttle-effect in Li-S batteries
收藏 引用
Journal of Energy Chemistry 2021年 第8期30卷 220-228,I0005页
作者: Tianli Wu Ting Yang Jizong Zhang xuewen Zheng Kunlin Liu chengyang Wang Mingming chen Key Laboratory for Green Chemical Technology of MOE School of Chemical Engineering and TechnologyTianjin University300072 TianjinChina Collaborative Innovation Center of Chemical Science and Engineering(Tianjin) 300072 TianjinChina
Lithium-sulfur(Li-S)batteries are hampered by the infamous shuttle effect and slow redox kinetics,resulting in rapid capacity ***,a bifunctional catalysis Cob/bN@rGO with integrated structure and synergy effect betwee... 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
Adipose-derived stromal cells resemble bone marrow stromal cells in hepatocyte differentiation potential in vitro and in vivo
收藏 引用
World Journal of Gastroenterology 2017年 第38期23卷 6973-6982页
作者: Li-juan xu Shu-fang Wang De-Qing Wang Lian-jun Ma Zheng chen Qian-Qian chen Jun Wang Li Yan Department of Gastroenterology Institute of Geriatrics Chinese PLA General Hospital Department of blood Transfusion Chinese PLA General Hospital Department of Endoscopics China-Japan Union Hospital of Jilin University Department of Gastroenterology Institute of Surgery Research Daping Hospital Third Military Medical University
AIM To investigate whether mesenchymal stem cells(MSCs) from adipose-derived stromal cells(ADSCs) and bone marrow stromal cells(bMSCs) have similar hepatic differentiation *** Mouse ADSCs and bMSCs were isolated and c... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Microfluidic-based isolation of circulating tumor cells with high-efficiency and high-purity
收藏 引用
Chinese Chemical Letters 2024年 第8期35卷 101-111页
作者: Feng Wu xuemin Kong Yixuan Liu Shuli Wang Zhong chen xu Hou Fujian Engineering Research Center for Solid-State Lighting Department of Electronic ScienceSchool of Electronic Science and EngineeringXiamen UniversityXiamen 361005China College of Physics and New Energy Xuzhou University of TechnologyXuzhou 221018China State Key Laboratory of Physical Chemistry of Solid Surfaces College of Chemistry and Chemical EngineeringXiamen UniversityXiamen 361005China College of Physical Science and Technology Xiamen UniversityXiamen 361005China Innovation Laboratory for Sciences and Technologies of Energy Materials of Fujian Province(IKKEM) Xiamen 361102China
The isolation of circulating tumor cells(CTCs)from complex.b.ological samples is of paramount signifi-cance for advancing cancer diagnosis,prognosis,and ***,the low concentration of CTCs and nonspecific adhesion of wh... 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
Rational Design of Ratiometric Fe^(3+) Fluorescent Probes based on FRET Mechanism
收藏 引用
Chemical Research in Chinese Universities 2022年 第1期38卷 67-74页
作者: LI Mingfeng FANG Hongbao JI Yifan chen Yuncong HE Weijiang GUO Zijian State Key Laboratory of Coordination Chemistry Chemistry and Biomedicine Innovation Center(ChemBIC)School of Chemistry and Chemical EngineeringNanjing UniversityNanjing 210023P.R.China
As the most abundant transition metal element in mammals, iron(Fe) plays a vital role in life activities. It is of great significance to study the variation of Fe3+ level in living organisms. In virtue of the advantag... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Influences of boron contents on microstructures and mechanical properties of as-casted nearαtitanium alloy
收藏 引用
Journal of Materials Science & Technology 2021年 第18期77卷 1-18页
作者: xiaozhao Ma Zhilei xiang Chao Tan Zhitian Wang Yingying Liu Ziyong chen Qun Shu College of Materials Science and Engineering.beijing University of Technology Beijing 100124China Aviation Industry of China(AVIC)Manufacture Technology Institute Beijing 100024China
Ti-6.5 Al-2.5 Sn-9 Zr-0.5 Mo-0.25 Si-1 Nb-1 W-0.1 Er-x.b.x=0,0.1,0.2,0.4,0.6 and 0.8 wt%)with different boron contents are fabricated for *** of boron element and its amounts on phase constitutions,microstructures,tex... 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
A new image mosaic of Greenland using Landsat-8 OLI images
收藏 引用
Science bulletin 2020年 第7期65卷 522-524,M0003页
作者: Zhuoqi chen Zhaohui Chi Karl b.Zinglersen Ying Tian Kaijia Wang Fengming Hui xiao cheng School of Geospatial Engineering and Science Sun Yat-sen University&Southern Marine Science and Engineering Guangdong Laboratory(Zhuhai)Zhuhai 519000China College of Global Change and Earth System Science Beijing Normal UniversityBeijing 100875China University Corporation for Polar Research Beijing 100875China Department of Geography Texas A&M UniversityCollege StationTX 77843USA Greenland Institute of Natural Resources NuukGreenland 5703900Denmark
Greenland is the world’s largest island and over three-quarter of the entire land area is covered by the Greenland Ice Sheet(GrIS),which is the only permanent ice sheet besides *** to the global warming,GrIS is under... 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 mRNA vaccine elicits STING-dependent antitumor immune responses
收藏 引用
Acta Pharmaceutica Sinica b 2023年 第3期13卷 1274-1286页
作者: Zhe chen Chaoyang Meng Junhua Mai Yongbin Liu Hangwen Li Haifa Shen Department of Nanomedicine Houston Methodist Academic InstituteHoustonTX 77030USA xiangya Hospital of Central South University Changsha 410000China Department of Hepatobiliary and Pancreatic Surgery First Affiliated HospitalZhejiang University School of MedicineHangzhou 310003China Stemirna Therapeutics Shanghai 201206China ImmunoQ Therapeutics HoustonTX 77401USA
Lipid-formulated RNA vaccines have been widely used for disease prevention and treatment,yet their mechanism of action and individual components contributing to such actions remain to be ***,we show that a therapeutic... 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