咨询与建议

限定检索结果

文献类型

  • 30,849 篇 期刊文献
  • 2,347 篇 会议
  • 2,123 册 图书
  • 20 篇 学位论文
  • 3 篇 报纸

馆藏范围

  • 34,426 篇 电子文献
  • 968 种 纸本馆藏

日期分布

学科分类号

  • 14,308 篇 工学
    • 3,739 篇 材料科学与工程(可...
    • 2,147 篇 化学工程与技术
    • 1,916 篇 生物医学工程(可授...
    • 1,694 篇 机械工程
    • 1,301 篇 电子科学与技术(可...
    • 1,199 篇 动力工程及工程热...
    • 1,174 篇 计算机科学与技术...
    • 1,101 篇 电气工程
    • 1,057 篇 力学(可授工学、理...
    • 968 篇 地质资源与地质工...
    • 951 篇 冶金工程
    • 836 篇 环境科学与工程(可...
    • 824 篇 控制科学与工程
    • 815 篇 水利工程
  • 11,914 篇 医学
    • 9,971 篇 临床医学
    • 1,705 篇 医学技术(可授医学...
    • 1,611 篇 基础医学(可授医学...
    • 1,039 篇 公共卫生与预防医...
    • 885 篇 中西医结合
    • 757 篇 药学(可授医学、理...
  • 8,964 篇 理学
    • 2,596 篇 化学
    • 2,594 篇 物理学
    • 1,968 篇 生物学
    • 1,161 篇 数学
    • 1,032 篇 地质学
    • 889 篇 地球物理学
    • 757 篇 天文学
  • 3,235 篇 农学
    • 1,017 篇 作物学
    • 797 篇 畜牧学
  • 1,577 篇 管理学
  • 990 篇 经济学
    • 858 篇 应用经济学
  • 961 篇 教育学
  • 609 篇 法学
  • 507 篇 文学
  • 256 篇 艺术学
  • 246 篇 历史学
  • 205 篇 哲学
  • 73 篇 军事学

主题

  • 271 篇 mri
  • 248 篇 ct
  • 177 篇 患者
  • 152 篇 美国
  • 111 篇 病人
  • 106 篇 mr
  • 85 篇 analysis
  • 68 篇 pet
  • 57 篇 and
  • 54 篇 北美洲
  • 53 篇 治疗
  • 52 篇 of
  • 48 篇 deep learning
  • 46 篇 小麦
  • 43 篇 health
  • 43 篇 diabetes
  • 43 篇 数学
  • 42 篇 corrosion
  • 41 篇 中国
  • 40 篇 plasma

机构

  • 121 篇 同济医科大学附属...
  • 80 篇 同济大学
  • 72 篇 university of ch...
  • 69 篇 department of ph...
  • 68 篇 university of mi...
  • 67 篇 institute for pa...
  • 67 篇 nikhef p.o.box 4...
  • 67 篇 fysikum stockhol...
  • 67 篇 michigan state u...
  • 67 篇 institut fur the...
  • 67 篇 dept.of physics ...
  • 67 篇 compas group ins...
  • 67 篇 rudolf peierls c...
  • 67 篇 nstitucio catala...
  • 66 篇 national researc...
  • 66 篇 department of ph...
  • 66 篇 school of physic...
  • 66 篇 ludwig-maximilia...
  • 66 篇 cea/saclay dsm/i...
  • 65 篇 department of ph...

作者

  • 113 篇 叶鹏
  • 86 篇 v.i.belousov
  • 85 篇 h.murayama
  • 85 篇 j.d.jackson
  • 85 篇 g.d'ambrosio
  • 85 篇 m.white
  • 85 篇 p.de jong
  • 81 篇 v.burkert
  • 76 篇 y.hayato
  • 75 篇 a.v.gritsan
  • 64 篇 l.pape
  • 63 篇 kavli ipmu
  • 63 篇 a.gurtu
  • 61 篇 m.carena
  • 59 篇 a.masoni
  • 41 篇 s.rolli
  • 37 篇 a.d.martin
  • 33 篇 b.heltsley
  • 31 篇 s.r.klein
  • 31 篇 刘莉

语言

  • 21,873 篇 中文
  • 13,423 篇 英文
  • 24 篇 其他
  • 1 篇 法文
检索条件"作者=F.hölzken"
35342 条 记 录,以下是1-10 订阅
排序:
Determination of the number ofψ(3686)events taken at BESⅢ
收藏 引用
Chinese Physics C 2024年 第9期48卷 8-20页
作者: M.Ablikim M.N.Achasov P.Adlarson O.Afedulidis X.C.Ai R.Aliberti A.Amoroso Q.An Y.Bai O.Bakina I.Balossino Y.Ban h.-R.Bao V.Batozskaya K.Begzsuren N.Berger M.Berlowski M.Bertani D.Bettoni f.Bianchi E.Bianco A.Bortone I.Boyko R.A.Briere A.Brueggemann h.Cai X.Cai A.Calcaterra G.f.Cao N.Cao S.A.Cetin J.f.Chang G.R.Che G.Chelkov C.Chen C.h.Chen Chao Chen G.Chen h.S.Chen h.Y.Chen M.L.Chen S.J.Chen S.L.Chen S.M.Chen T.Chen X.R.Chen X.T.Chen Y.B.Chen Y.Q.Chen Z.J.Chen Z.Y.Chen S.K.Choi G.Cibinetto f.Cossio J.J.Cui h.L.Dai J.P.Dai A.Dbeyssi R.E.de Boer D.Dedovich C.Q.Deng Z.Y.Deng A.Denig I.Denysenko M.Destefanis f.De Mori B.Ding X.X.Ding Y.Ding Y.Ding J.Dong L.Y.Dong M.Y.Dong X.Dong M.C.Du S.X.Du Y.Y.Duan Z.h.Duan P.Egorov Y.h.fan J.fang J.fang S.S.fang W.X.fang Y.fang Y.Q.fang R.farinelli L.fava f.feldbauer G.felici C.Q.feng J.h.feng Y.T.feng M.fritsch C.D.fu J.L.fu Y.W.fu h.Gao X.B.Gao Y.N.Gao Yang Gao S.Garbolino I.Garzia L.Ge P.T.Ge Z.W.Ge C.Geng E.M.Gersabeck A.Gilman K.Goetzen L.Gong W.X.Gong W.Gradl S.Gramigna M.Greco M.h.Gu Y.T.Gu C.Y.Guan Z.L.Guan A.Q.Guo L.B.Guo M.J.Guo R.P.Guo Y.P.Guo A.Guskov J.Gutierrez K.L.han T.T.han f.hanisch X.Q.hao f.A.harris K.K.he K.L.he f.h.heinsius C.h.heinz Y.K.heng C.herold T.holtmann P.C.hong G.Y.hou X.T.hou Y.R.hou Z.L.hou B.Y.hu h.M.hu J.f.hu S.L.hu T.hu Y.hu G.S.huang K.X.huang L.Q.huang X.T.huang Y.P.huang T.hussain f.hölzken N.hüsken N.in der Wiesche J.Jackson S.Janchiv J.h.Jeong Q.Ji Q.P.Ji W.Ji X.B.Ji X.L.Ji Y.Y.Ji X.Q.Jia Z.K.Jia D.Jiang h.B.Jiang P.C.Jiang S.S.Jiang T.J.Jiang X.S.Jiang Y.Jiang J.B.Jiao J.K.Jiao Z.Jiao S.Jin Y.Jin M.Q.Jing X.M.Jing T.Johansson S.Kabana N.Kalantar-Nayestanaki X.L.Kang X.S.Kang M.Kavatsyuk B.C.Ke V.Khachatryan A.Khoukaz R.Kiuchi O.B.Kolcu B.Kopf M.Kuessner X.Kui N.Kumar A.Kupsc W.Kühn J.J.Lane P.Larin L.Lavezzi T.T.Lei Z.h.Lei M.Lellmann T.Lenz C.Li C.Li C.h.Li Cheng Li D.M.Li f.Li G.Li h.B.Li h.J.Li h.N.Li hui Li J.R.Li J.S.Li Ke Li L.J.Li L.K.Li Lei Li M.h.Li P.R.Li Q.M.Li Q.X.Li R.Li S.X.Li T.Li W.D.Li W.G.Li X.Li X.h.Li X.L.Li X.Z.Li Xi Institute of.high Energy Physics Beijing 100049China Beihang University Beijing 100191China Bochum Ruhr-University D-44780BochumGermany Budker Institute of Nuclear Physics SB RAS(BINP) Novosibirsk 630090Russia Carnegie Mellon University PittsburghPennsylvania 15213USA Central China Normal University Wuhan 430079China Central South University Changsha 410083China China Center of Advanced Science and Technology Beijing 100190China China University of Geosciences Wuhan 430074China Chung-Ang University Seoul06974Republic of Korea COMSATS University Islamabad Lahore CampusDefence RoadOff Raiwind Road54000LahorePakistan fudan University Shanghai 200433China GSI helmholtzcentre for heavy Ion Research Gmbh D-64291DarmstadtGermany Guangxi Normal University Guilin 541004China Guangxi University Nanning 530004China hangzhou Normal University Hangzhou 310036China hebei University Baoding 071002China helmholtz Institute Mainz Staudinger Weg 18D-55099MainzGermany henan Normal University Xinxiang 453007China henan University Kaifeng 475004China henan University of Science and Technology Luoyang 471003China henan University of Technology Zhengzhou 450001China huangshan College Huangshan 245000China hunan Normal University Changsha 410081China hunan University Changsha 410082China Indian Institute of Technology Madras Chennai 600036India Indiana University BloomingtonIndiana 47405USA INfN Laboratori Nazionali di frascati (A)INFN Laboratori Nazionali di FrascatiI-00044FrascatiItaly(B)INFN Sezione di PerugiaI-06100PerugiaItaly(C)University of PerugiaI-06100PerugiaItaly INfN Sezione di ferrara (A)INFN Sezione di FerraraI-44122FerraraItaly(B)University of FerraraI-44122FerraraItaly Inner Mongolia University Hohhot 010021China Institute of Modern Physics Lanzhou 730000China Institute of Physics and Technology Peace Avenue 54BUlaanbaatar 13330Mongolia Instituto de Alta Investigación Universidad de TarapacáCasilla 7DArica 1000000Chile Jilin University Changchun 130012China Joha
The number ofψ(3686)events collected by the BESⅢdetector during the 2021 run period is determined to be(2259.3±11.1)×10~6 by counting inclusiveψ(3686)hadronic *** uncertainty is systematic and the statistical unc... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
A Comprehensive Review on Charging Topologies and Power Electronic Converter Solutions for Electric Vehicles
收藏 引用
Journal of Modern Power Systems and Clean Energy 2024年 第3期12卷 675-694页
作者: Abdelfatah Ali hossam h.h.Mousa Mostafa f.Shaaban Maher A.Azzouz Ahmed S.A.Awad the Department of Electrical Engineering American University of Sharjah26666 SharjahUnited Arab Emirates the Department of Electrical Engineering South Valley University83523 QenaEgypt the Department of Electrical and Computer Engineering University of WindsorWindsorON N9B 3P4 Canada Electrical Engineering Department Qatar UniversityDoha 2713Qatar Department of Electrical and Computer Engineering Sultan Qaboos UniversityMuscat123Oman
Electric vehicles(EVs)are becoming more popular worldwide due to environmental concerns,fuel security,and price *** performance of EVs relies on the energy stored in their batteries,which can be charged using either 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
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
Connections Between Induction Generator Effect and Open-loop Modal Proximity to Cause Sub-synchronous Oscillations in Series-compensated Power System
收藏 引用
CSEE Journal of Power and Energy Systems 2024年 第3期10卷 963-973页
作者: Wenjuan Du Yang Wang h.f.Wang Tao Zhao Tim Littler College of Electrical Engineering Sichuan UniversityChengduChina School of Electrical Engineering the Queen’s University of BelfastBelfastUK IEEE
The induction generator effect(IGE)and the openloop modal proximity(OLMP)are two different reasons why subsynchronous oscillations(SSOs)in a series-compensated power system(SCPS)may *** IGE attributes the growing SSOs... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Spalling characteristics of.high-temperature treated granitic rock at different strain rates
收藏 引用
Journal of Rock Mechanics and Geotechnical Engineering 2024年 第4期16卷 1280-1288页
作者: L.f.fan Q.h.Yang X.L.Du The Key Laboratory of Urban Security and Disaster Engineering of Ministry of Education Beijing University of TechnologyBeijing100124China
The dynamic spalling characteristics of rock are important for stability analysis in rock *** paper presented an experimental investigation on the dynamic spalling characteristics of granite with different temperature... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Resistive field generation in intense proton beam interaction with solid targets
收藏 引用
Matter and Radiation at Extremes 2024年 第1期9卷 35-43页
作者: W.Q.Wang J.J.honrubia Y.Yin X.h.Yang f.Q.Shao Department of Physics National University of Defense TechnologyHunanChina ETSI Aeronáutica y del Espacio Universidad Politécnica de MadridMadridSpain Department of Nuclear Science and Technology National University of Defense TechnologyHunanChina
The Brown-Preston-Singleton(BPS)stopping power model is added to our previously developed hybrid code to model ion beam-plasma *** simulations show that both resistive field and ion scattering effects are important fo... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
failure to Rescue as a Quality Metric in Congenital heart Surgeries in a high-Complexity Service Provider Institution Located in a Middle-Income Country
收藏 引用
Congenital heart Disease 2024年 第2期19卷 207-218页
作者: Gustavo Cruz Santiago Pedroza Juan f.Vélez Jessica Largo Juan f.Tejada Jorge h.Mejía-Mantilla Departamento de Anestesiología Fundación Valle del LiliCali760032Colombia Centro de Investigaciones Clínicas Fundación Valle del LiliCali760032Colombia Departamento de Cardiología Pediátrica Fundación Valle del LiliCali760032Colombia facultad de Medicina Universidad IcesiCali760031Colombia Unidad de Cuidado Intensivo Fundación Valle del LiliCali760032Colombia
Background:failure to rescue has been an effective quality metric in congenital heart ***,mor-bidity and mortality depend greatly on non-modifiable individual factors and have a weak correlation with better-quality **... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Application of novel constrained friction processing method to produce fine grained biomedical Mg-Zn-Ca alloy
收藏 引用
Journal of Magnesium and Alloys 2024年 第2期12卷 516-529页
作者: Ting Chen Banglong fu Junjun Shen Uceu f.h.R.Suhuddin Björn Wiese Yuanding huang Min Wang Jorge f.dos Santos Jean Pierre Bergmann Benjamin Klusemann Solid State Materials Processing Institute of Material MechanicsHelmholtz-Zentrum HereonMax-Planck-Str.1Geesthacht 21502Germany functional Magnesium Materials Institute of Metallic BiomaterialsHelmholtz-Zentrum HereonMax-Planck-Str.1Geesthacht 21502Germany Shanghai Key Laboratory of Materials Laser Processing and Modification Shanghai Jiao Tong UniversityDongchuan Road 800Shanghai 200240China Applied Materials and Manufacturing Energy and Environment DivisionPacific Northwest National LaboratoryPO Box 999RichlandWA 99352USA Production Technology Group Technisiche Universität IlmenauGustav-Kirchhoff-Platz 2Ilmenau 98693Germany Institute for Production Technology and Systems Leuphana University of LüneburgUniversitätsallee 1Lüneburg 21335Germany
In order to obtain Mg alloys with fine microstructures and high mechanical performances,a novel friction-based processing method,name as“constrained friction processing(CfP)”,was *** CfP,defect-free Mg-Zn-Ca rods wi... 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
fast efficient photon deceleration in plasmas by using two laser pulses at different frequencies
收藏 引用
Matter and Radiation at Extremes 2024年 第3期9卷 11-18页
作者: Y.X.Wang X.L.Zhu S.M.Weng P.Li X.f.Li h.Ai h.R.Pan Z.M.Sheng Key Laboratory for Laser Plasmas(moe) School of Physics and AstronomyShanghai Jiao Tong UniversityShanghai 200240China Collaborative Innovation Center of IfSA Shanghai Jiao Tong UniversityShanghai 200240China Research Center of Laser fusion of China Academy of Engineering Physics MianyangSichuan 621900China State key Laboratory of.high field Laser Physics Shanghai Institute of Optics and Fine MechanicsChinese Academy of SciencesShanghai 201800China Tsung-dao Lee Institute Shanghai Jiao Tong UniversityShanghai 200240China
The generation of ultrashort high-power light sources in the mid-infrared(mid-IR)to terahertz(Thz)range is of interest for applications in a number of fields,from fundamental research to biology and *** conventional l... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Precipitation of multi-type nano-quasicrystals in a Mg-Zn-Y alloy
收藏 引用
Journal of Magnesium and Alloys 2024年 第3期12卷 997-1008页
作者: W.Z.Wang X.Z.Zhou L.f.Zhang h.Q.Ye Z.Q.Yang Shenyang National Laboratory for Materials Science Institute of Metal ResearchChinese Academy of ScienceShenyang 110016China Ji hua Laboratory Foshan 528251China foshan University Foshan 528231China
Mg-6Zn-1Y(at.%)ribbons with strengthening precipitates of multi-type nanoquasicrystals were prepared by melt-spinning followed by aging *** evolution of the rapidly solidified ribbons during isothermal aging was compr... 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