咨询与建议

限定检索结果

文献类型

  • 109,253 篇 期刊文献
  • 8,689 篇 会议
  • 2,928 册 图书
  • 134 篇 学位论文
  • 17 篇 报纸

馆藏范围

  • 119,650 篇 电子文献
  • 1,426 种 纸本馆藏

日期分布

学科分类号

  • 46,553 篇 医学
    • 36,401 篇 临床医学
    • 5,370 篇 医学技术(可授医学...
    • 3,815 篇 基础医学(可授医学...
    • 3,663 篇 中西医结合
    • 2,945 篇 公共卫生与预防医...
    • 2,327 篇 药学(可授医学、理...
  • 43,713 篇 工学
    • 9,312 篇 材料科学与工程(可...
    • 5,366 篇 化学工程与技术
    • 4,798 篇 生物医学工程(可授...
    • 3,150 篇 电子科学与技术(可...
    • 3,028 篇 机械工程
    • 2,859 篇 计算机科学与技术...
    • 2,030 篇 动力工程及工程热...
    • 1,847 篇 仪器科学与技术
    • 1,731 篇 地质资源与地质工...
    • 1,574 篇 电气工程
    • 1,571 篇 力学(可授工学、理...
    • 1,422 篇 光学工程
  • 20,606 篇 理学
    • 3,991 篇 化学
    • 3,941 篇 物理学
    • 3,411 篇 数学
    • 2,930 篇 生物学
    • 1,790 篇 地质学
  • 8,622 篇 农学
    • 2,221 篇 作物学
    • 1,569 篇 畜牧学
    • 1,481 篇 农业资源与环境
  • 5,230 篇 管理学
    • 2,274 篇 管理科学与工程(可...
    • 1,677 篇 公共管理
  • 3,557 篇 经济学
    • 3,034 篇 应用经济学
  • 2,859 篇 教育学
    • 1,999 篇 教育学
  • 2,308 篇 法学
  • 1,815 篇 文学
  • 666 篇 艺术学
  • 606 篇 历史学
  • 504 篇 哲学
  • 202 篇 军事学

主题

  • 1,016 篇 ct
  • 947 篇 治疗
  • 804 篇 mri
  • 629 篇 诊断
  • 619 篇 病人
  • 525 篇 患者
  • 509 篇 儿童
  • 495 篇 of
  • 437 篇 mr
  • 431 篇 中国
  • 417 篇 美国
  • 364 篇 and
  • 279 篇 cancer
  • 231 篇 microstructure
  • 188 篇 应用
  • 171 篇 analysis
  • 168 篇 预后
  • 162 篇 疗效
  • 157 篇 高血压
  • 154 篇 energy

机构

  • 303 篇 北京大学
  • 212 篇 清华大学
  • 206 篇 上海交通大学
  • 202 篇 香港理工大学
  • 176 篇 四川省人民医院
  • 175 篇 中国科学院大学
  • 163 篇 上海第二医科大学...
  • 143 篇 南京大学
  • 142 篇 浙江大学
  • 130 篇 华中科技大学
  • 124 篇 中国人民大学
  • 112 篇 四川大学
  • 111 篇 香港城市大学
  • 106 篇 中国人民公安大学
  • 103 篇 复旦大学
  • 89 篇 中国地质大学
  • 86 篇 山东大学
  • 86 篇 中国科学院地理科...
  • 84 篇 上海市第一人民医...
  • 83 篇 东南大学

作者

  • 303 篇 叶鹏
  • 207 篇 china
  • 122 篇 刘莉
  • 85 篇 h.murayama
  • 85 篇 j.d.jackson
  • 85 篇 g.d'ambrosio
  • 84 篇 m.white
  • 75 篇 郭俊
  • 71 篇 朱国栋
  • 62 篇 唐光健
  • 60 篇 mohamed s. el na...
  • 56 篇 刘闯
  • 48 篇 余英豪
  • 48 篇 y.zhang
  • 46 篇 j.zhang
  • 46 篇 刘青
  • 44 篇 王铮
  • 41 篇 cristina ng
  • 40 篇 李长根
  • 40 篇 people’s bank of...

语言

  • 77,079 篇 中文
  • 43,927 篇 英文
  • 3 篇 日文
  • 2 篇 法文
检索条件"作者=X.Y.s.ng"
121021 条 记 录,以下是11-20 订阅
排序:
Discovery of new MAx-phase-like layered ternary carbide V_(8)P_(6)C:Crystal structure,thermal expansion,and elastic properties
收藏 引用
Journal of Materials science & Technology 2024年 第7期174卷 55-62页
作者: H.x.Chen L.sheng Z.L.Zhang x.C.Wen D.L.yang x.y.ye P.Q.Dai school of Materials science and Engineering Fujian University of TechnologyFuzhou 350118China Beijing synchrotron Radiation Facility Institute of High Energy PhysicsChinese Academy of ScienceBeijing 100049China Fujian Provincial Key Laboratory of Advanced Materials Processing and Application Fuzhou 350118China state Key Laboratory of structural Chemistry Fujian Institute of Research on the Structure of MatterChinese Academy of SciencesFuzhou 350002China
Due to the laminated structure,MAx phases and MAx-phase-like compounds possess outstanding dam-age tolerance capability with good thermal/electrical conductivity and other charming functional prop-erties,showing a bri... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Interfacial stress engineering toward enhancement of ferroelectricity in Al doped HfO_(2)thin films
收藏 引用
Chinese Physics B 2024年 第9期33卷 637-643页
作者: s x Chen M M Chen y Liu D W Cao G J Chen Department of Microelectronics Jiangsu UniversityZhenjiang 212013China Department of Physics Jiangsu UniversityZhenjiang 212013China Guangdong–Hong Kong–Macao Joint Laboratory for Intelligent Micro-Nano Optoelectronic Technology Foshan UniversityFoshan 528225China
Ferroelectric HfO_(2)has attracted much attention owing to its superior ferroelectricity at an ultra-thin thickness and good compatibility with si-based complementary metal-oxide-semiconductor(CMOs)***,the crystalliza... 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
Effect of Eu3+,Bi3+,and Li+ doping on luminescent property of GdNbO4
收藏 引用
Journal of Rare Earths 2024年 第1期42卷 66-75页
作者: s.W.Wi y.s.Lee Department of Physics and Integrative Institute of Basic sciences Soongsil University
We investigated the emission properties of Eu3+-doped GdNbO4-based oxide phosphors,aiming at improving the Eu3+emission by codoping of Bi3+and Li+.Eu3+singly doped,Eu3+and Bi3+doubly doped,and Eu3+,Bi3+,and Li+triply ... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
sTCF conceptual design report (Volume 1): Physics & detector
收藏 引用
Frontiers of physics 2024年 第1期19卷 1-154页
作者: M.Achasov x.C.Ai L.P.An R.Aliberti Q.An x.Z.Bai y.Bai O.Bakina A.Barnyakov V.Blinov V.Bobrovnikov D.Bodrov A.Bogomyagkov A.Bondar I.Boyko Z.H.Bu F.M.Cai H.Cai J.J.Cao Q.H.Cao x.Cao Z.Cao Q.Chang K.T.Chao D.y.Chen H.Chen H.x.Chen J.F.Chen K.Chen L.L.Chen P.Chen s.L.Chen s.M.Chen s.Chen s.P.Chen W.Chen x.Chen x.F.Chen x.R.Chen y.Chen y.Q.Chen H.y.Cheng J.Cheng s.Cheng T.G.Cheng J.P.Dai L.y.Dai x.C.Dai D.Dedovich A.Denig I.Denisenko J.M.Dias D.Z.Ding L.y.Dong W.H.Dong V.Druzhinin D.s.Du y.J.Du Z.G.Du L.M.Duan D.Epifanov y.L.Fan s.s.Fang Z.J.Fang G.Fedotovich C.Q.Feng x.Feng y.T.Feng J.L.Fu J.Gao y.N.Gao P.s.Ge C.Q.Geng L.s.Geng A.Gilman L.Gong T.Gong B.Gou W.Gradl J.L.Gu A.Guevara L.C.Gui A.Q.Guo F.K.Guo J.C.Guo J.Guo y.P.Guo Z.H.Guo A.Guskov K.L.Han L.Han M.Han x.Q.Hao J.B.He s.Q.He x.G.He y.L.He Z.B.He Z.x.Heng B.L.Hou T.J.Hou y.R.Hou C.y.Hu H.M.Hu K.Hu R.J.Hu W.H.Hu x.H.Hu y.C.Hu J.Hua G.s.Huang J.s.Huang M.Huang Q.y.Huang W.Q.Huang x.T.Huang x.J.Huang y.B.Huang y.s.Huang N.Hüsken V.Ivanov Q.P.Ji J.J.Jia s.Jia Z.K.Jia H.B.Jiang J.Jiang s.Z.Jiang J.B.Jiao Z.Jiao H.J.Jing x.L.Kang x.s.Kang B.C.Ke M.Kenzie A.Khoukaz I.Koop E.Kravchenko A.Kuzmin y.Lei E.Levichev C.H.Li C.Li D.y.Li F.Li G.Li G.Li H.B.Li H.Li H.N.Li H.J.Li H.L.Li J.M.Li J.Li L.Li L.Li L.y.Li N.Li P.R.Li R.H.Li s.Li T.Li W.J.Li x.Li x.H.Li x.Q.Li x.H.Li y.Li y.y.Li Z.J.Li H.Liang J.H.Liang y.T.Liang G.R.Liao L.Z.Liao y.Liao C.x.Lin D.x.Lin x.s.Lin B.J.Liu C.W.Liu D.Liu F.Liu G.M.Liu H.B.Liu J.Liu J.J.Liu J.B.Liu K.Liu K.y.Liu K.Liu L.Liu Q.Liu s.B.Liu T.Liu x.Liu y.W.Liu y.Liu y.L.Liu Z.Q.Liu Z.y.Liu Z.W.Liu I.Logashenko y.Long C.G.Lu J.x.Lu N.Lu Q.F.Lü y.Lu y.Lu Z.Lu P.Lukin F.J.Luo T.Luo x.F.Luo y.H.Luo H.J.Lyu x.R.Lyu J.P.Ma P.Ma y.Ma y.M.Ma F.Maas s.Malde D.Matvienko Z.x.Meng R.Mitchell A.Nefediev y.Nefedov s.L.Olsen Q.Ouyang P.Pakhlov G.Pakhlova x.Pan y.Pan E.Passemar y.P.Pei H.P.Peng L.Peng x.y.Peng x.J.Peng K.Peters s.Pivovarov E.Pyata B.B.Qi y.Q.Qi W.B.Qian y.Qian C.F.Qiao J.J.Qin J.J.Qin L.Q.Qin x.s.Qin T.L.Qiu J.Rademacker C.F.Redmer H.y.sang Anhui University Hefei 230039China Beihang University Beijing 100191China Budker Institute of Nuclear Physics Novosibirsk 630090Russia CAs Key Laboratory of Theoretical Physics Institute of Theoretical PhysicsChinese Academy of SciencesBeijing 100190China Cavendish Laboratory University of CambridgeJJ Thomson AveCambridge CB30HEUnited Kingdom Central China Normal University Wuhan 430079China Central south University Changsha 410083China China University of Geosciences Wuhan 430074China China University of Mining and Technology Xuzhou 221116China École Polytechnique Fédérale de Lausanne(EPFL) LausanneSwitzerland Fudan University Shanghai 200433China Goethe University Frankfurt D-60325 Frankfurt am MainGermany Guangxi Normal University Guilin 541004China Guangxi Uninversity Nanning 530004China Hangzhou Institute for Advanced study UCASHangzhou 310024China Hebei Normal University Shijiazhuang 050024China Hebei University Baoding 071002China Hefei University of Technology Hefei 230601China Helmholtz Institute Mainz Staudinger Weg 18D-55099 MainzGermany Henan Normal University Xinxiang 453007China Henan University Kaifeng 475004China High Energy Physics Center Chung-Ang UniversitySeoul 06974Korea Higher school of Economy 11 Pokrovsky Bulvar Moscow 109028Russia Huangshan University Huangshan 245000China Hubei University of Automotive Technology Shiyan 442002China Hunan Normal University Changsha 410081China Hunan University of science and Technology Xiangtan 411201China Hunan University Changsha 410082China Indiana University BloomingtonIndiana 47405USA Inner Mongolia University Hohhot 010021China Institute of Advanced science Facilities Shenzhen 518107China Institute of High Energy Physics Chinese Academy of SciencesBeijing 100049China Institute of Modern Physics Chinese Academy of SciencesLanzhou 730000China Institute of Physics Academia SinicaTaipeiTaiwan 11529China Institute of Theoretical Physics Chinese Academy of SciencesBeijing 100190China Jilin University Changch
The superτ-charm facility(sTCF)is an electron–positron collider proposed by the Chinese particle physics *** is designed to operate in a center-of-mass energy range from 2 to 7 GeV with a peak luminosity of 0.5×10^... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Electron kinetic effects in back-stimulated Raman scattering bursts driven by broadband laser pulses
收藏 引用
Matter and Radiation at Extremes 2024年 第4期9卷 54-67页
作者: Q.K.Liu L.Deng Q.Wang x.Zhang F.Q.Meng y.P.Wang y.Q.Gao H.B.Cai s.P.Zhu Graduate school China Academy of Engineering PhysicsBeijing 100088China Institute of Applied Physics and Computational Mathematics Beijing 100094China school of Nuclear science and Technology University of Science and Technology of ChinaHefei 230026China shanghai Institute of Laser Plasma Shanghai 201800China HEDPs Center for Applied Physics and TechnologyPeking UniversityBeijing 100871China school of Physics Zhejiang UniversityHangzhou 310027China
We examine electron kinetic effects in broadband-laser-driven back-stimulated Raman scattering(BsRs)bursts using particle-in-cell *** bursts occur during the nonlinear stage,causing reflectivity spikes and generating ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Decomposition solutions and Bäcklund transformations of the B-type and C-type Kadomtsev-Petviashvili equations
收藏 引用
Communications in Theoretical Physics 2024年 第6期76卷 34-44页
作者: xiazhi Hao s y Lou College of science Zhejiang University of TechnologyHangzhou 310014​China school of Physical science and Technology Ningbo UniversityNingbo 315211China
This paper introduces a modified formal variable separation approach,showcasing a systematic and notably straightforward methodology for analyzing the B-type Kadomtsev-Petviashvili(BKP)*** the application of this appr... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Dysfunction of synaptic endocytic trafficking in Parkinson's disease
收藏 引用
Neural Regeneration Research 2024年 第12期19卷 2649-2660页
作者: xin yi ng Mian Cao Programme in Neuroscience and Behavioural Disorders Duke-NUS Medical SchoolSingaporeSingapore Department of Physiology National University of SingaporeSingaporeSingapore
Parkinson's disease is characterized by the selective degeneration of dopamine neurons in the nigrostriatal pathway and dopamine deficiency in the *** precise reasons behind the specific degeneration of these dopamine... 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
In situ TEM investigation of electron irradiation and aging-induced high-density nanoprecipitates in an Mg-10Gd-3y-1Zn-0.5Zr alloy
收藏 引用
Journal of Magnesium and Alloys 2024年 第5期12卷 1841-1853页
作者: M.Lv H.L.Ge Q.Q.Jin x.H.shao y.T.Zhou B.Zhang x.L.Ma shenyang National Laboratory for Materials science Institute of Metal ResearchChinese Academy of Sciences72 Wenhua RoadShenyang 110016China school of Materials science and Engineering University of Science and Technology of ChinaShenyang 110016China Materials science and Engineering Research Center Guangxi University of Science and TechnologyLiuzhou 545006China
In-situ electron irradiation and aging are applied to introduce high-density precipitates in an Mg-10Gd-3y-1Zn-0.5Zr(GWZ1031K,wt.%)alloy to improve the *** results show that the hardness of the Mg alloy after irradiat... 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
Microstructure evolution and shape memory behaviors of Ni_(47)Ti_(44)Nb_(9)alloy subjected to multistep thermomechanical loading with different prestrain levels
收藏 引用
Journal of Materials science & Technology 2024年 第4期171卷 80-93页
作者: y.H.Zhang H.Li Z.W.yang x.Liu Q.F.Gu state Key Laboratory of solidification Processing School of Materials Science and EngineeringNorthwestern Polytechnical UniversityXi’an 710072China shaanxi Key Laboratory of High-Performance Precision Forming Technology and Equipment Northwestern Polytechnical UniversityXi’an 710072China
Ni_(47)Ti_(44)Nb_(9)shape memory alloy(sMA)is a promising material in the aerospace field due to its wide transformation *** application of shape memory effect depends on multistep thermomechan-ical loading,viz.,low-t... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Construction of 2D/2D Ti_(3)C_(2)T_(x)Mxene/Cds heterojunction with photothermal effect for efficient photocatalytic hydrogen production
收藏 引用
Journal of Materials science & Technology 2024年 第4期171卷 1-9页
作者: T.y.Huang Z.yang s.y.yang Z.H.Dai y.J.Liu J.H.Liao G.y.Zhong Z.J.xie y.P.Fang s.s.Zhang Key Laboratory for Biobased Materials and Energy of Ministry of Education Guangdong Laboratory for Lingnan Modern AgricultureCollege of Materials and EnergySouth China Agricultural UniversityGuangzhou 510643China school of Physics and Optoelectronics South China University of TechnologyGuangzhou 510640China school of Chemical Engineering and Energy Technology Guangdong Provincial Key Laboratory of Distributed Energy SystemsDongguan University of TechnologyDongguan 523808China
The insensitivity of semiconductors to visible and infrared light is a key constraint on the utilization of light energy in photocatalytic *** photocatalysts with full-spectrum absorption through surface engineering i... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论