咨询与建议

限定检索结果

文献类型

  • 23,585 篇 期刊文献
  • 1,809 篇 会议
  • 782 册 图书
  • 7 篇 学位论文

馆藏范围

  • 25,964 篇 电子文献
  • 247 种 纸本馆藏

日期分布

学科分类号

  • 11,329 篇 医学
    • 9,598 篇 临床医学
    • 1,776 篇 医学技术(可授医学...
    • 1,177 篇 基础医学(可授医学...
    • 900 篇 中西医结合
    • 654 篇 公共卫生与预防医...
    • 418 篇 药学(可授医学、理...
  • 9,346 篇 工学
    • 2,054 篇 材料科学与工程(可...
    • 1,694 篇 生物医学工程(可授...
    • 1,058 篇 化学工程与技术
    • 723 篇 电子科学与技术(可...
    • 588 篇 机械工程
    • 454 篇 计算机科学与技术...
    • 408 篇 仪器科学与技术
    • 402 篇 动力工程及工程热...
    • 401 篇 光学工程
    • 396 篇 地质资源与地质工...
    • 333 篇 核科学与技术
    • 303 篇 力学(可授工学、理...
  • 5,130 篇 理学
    • 1,097 篇 物理学
    • 864 篇 生物学
    • 760 篇 化学
    • 624 篇 数学
    • 561 篇 地质学
    • 359 篇 地球物理学
  • 2,101 篇 农学
    • 474 篇 畜牧学
    • 452 篇 作物学
    • 391 篇 农业资源与环境
  • 800 篇 管理学
    • 318 篇 管理科学与工程(可...
    • 302 篇 公共管理
  • 479 篇 经济学
    • 404 篇 应用经济学
  • 429 篇 教育学
  • 367 篇 文学
  • 267 篇 法学
  • 125 篇 历史学
  • 121 篇 哲学
  • 119 篇 艺术学
  • 30 篇 军事学

主题

  • 357 篇 ct
  • 302 篇 mri
  • 211 篇 患者
  • 168 篇 mr
  • 121 篇 病人
  • 68 篇 analysis
  • 56 篇 药物治疗
  • 51 篇 美国
  • 49 篇 安慰剂对照
  • 47 篇 危险因素
  • 45 篇 中国
  • 42 篇 前列腺癌
  • 42 篇 mechanical prope...
  • 40 篇 发生率
  • 40 篇 diabetes
  • 40 篇 simulation
  • 40 篇 phylogeny
  • 40 篇 and
  • 39 篇 组织学检查
  • 37 篇 high

机构

  • 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 department of ph...
  • 66 篇 national researc...
  • 66 篇 nstitucio catala...
  • 66 篇 school of physic...
  • 66 篇 ludwig-maximilia...
  • 66 篇 cea/saclay dsm/i...
  • 66 篇 北京大学
  • 65 篇 department of ph...
  • 65 篇 kobayashi-maskaw...
  • 65 篇 high energy phys...

作者

  • 109 篇 叶鹏
  • 87 篇 v.i.belousov
  • 85 篇 h.murayama
  • 85 篇 j.d.jackson
  • 85 篇 g.d'ambrosio
  • 85 篇 m.white
  • 84 篇 p.de jong
  • 80 篇 v.burkert
  • 75 篇 y.hayato
  • 75 篇 a.v.gritsan
  • 66 篇 a.gurtu
  • 66 篇 m.carena
  • 62 篇 kavli ipmu
  • 62 篇 l.pape
  • 62 篇 a.masoni
  • 50 篇 s.rolli
  • 41 篇 a.d.martin
  • 39 篇 b.heltsley
  • 37 篇 朱国栋
  • 34 篇 s.j.kim

语言

  • 14,737 篇 中文
  • 11,443 篇 英文
  • 1 篇 法文
  • 1 篇 其他
检索条件"作者=Richard J.s.hmidt"
26183 条 记 录,以下是61-70 订阅
排序:
Necrotic enteritis and antibiotic-free production of broiler chickens:Challenges in testing and using alternative products
收藏 引用
Animal Nutrition 2024年 第1期16卷 288-298页
作者: Robert j.Moore school of science RMIT University
The global trend towards raising broiler chickens without the use of in-feed antibiotics(IFAs) means that there is an ongoing need to develop alternative treatments capable of delivering the benefits that IFAs previou... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
Further investigation on the fusion of ^(6)Li with ^(209)Bi target at near-barrier energies
收藏 引用
Chinese Physics C 2024年 第7期48卷 106-117页
作者: 张高龙 焦振威 张广鑫 M.R.Cortes 胡世鹏 钱建强 D.Mengoni 屈卫卫 李聪博 郑云 张焕乔 孙慧斌 王楠 张春雷 j.j.Valiente-Dobón D.Testov M.Mazzocco A.Gozzelino C.Parascandolo D.Pierroutsakou M.La Commara A.Goasduff D.Bazzacco D.R.Napoli F.Galtarossa F.Recchia A.Illana s.Bakes I.Zanon s.Aydin G.de Angelis M.siciliano R.Menegazzo s.M.Lenzi j.L.Ferreira j.Rangel serkan Akkoyun L.F.Canto j.Lubian school of Physics Beihang UniversityBeijing 100191China sino-French Institute of Nuclear Engineering and Technology Sun Yat-Sen UniversityZhuhai 519082China Instituto de Física Universidade Federal Fluminense24210-340NiteróiRio de JaneiroBrazil Institute for Advanced study in Nuclear Energy&safety Shenzhen UniversityShenzhen 518060China shenzhen Key Laboratory of Research and Manufacture of High Purity Germanium Materials and Fetectors Shenzhen UniversityShenzhen 518060China INFN Sezione di PadovaPadovaItaly Dipartimento di fisica Astronomia dell'Universita di padova PadovaItaly state Key Laboratory of Radiation Medicine and Protection School of Radiation Medicine and ProtectionSoochow UniversitySuzhou 215123China China Institute of Atomic Energy Beijing 102413China The Key Laboratory of Beam Technology and Material Modification of Ministry of Education College of Nuclear Science and TechnologyBeijing Normal UniversityBeijing 100875China INFN Laboratori Nazionali di LegnaroI-35020 LegnaroItaly INFN Sezione di NapoliI-80126 NapoliItaly Dipartimento di Farmacia Universitàdi Napoli"Federico II"I-80131 NapoliItaly Department of Natural and Mathematical sciences Faculty of EngineeringTarsus University33480 MersinTurkiye Physics Division Argonne National LaboratoryLemont-ILUSA Departamento de Matemaética Física e Computaç˜ao Universidade do Estado do Rio de JaneiroFaculdade de Tecnologia27537-000ResendeRio de JaneiroBrazil Department of Physics Sivas Cumhuriyet UniversitySivasTurkey Instituto de Física Universidade Federal do Rio de JaneiroCP 6852821941-972Rio de JaneiroBrazil
The complete and incomplete fusion cross sections for ^(6)Li+^(209)Bi were measured using the in-beamγ-ray method around the Coulomb *** cross sections of(deuteron captured)incomplete fusion(ICF)products were re-quan... 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
Ground-based and additional science support for sMILE
收藏 引用
Earth and Planetary Physics 2024年 第1期8卷 275-298页
作者: j.A.Carter M.Dunlop C.Forsyth K.Oksavik E.Donovon A.Kavanagh s.E.Milan T.sergienko R.C.Fear D.G.sibeck M.Connors T.Yeoman X.Tan M.G.G.T.Taylor K.McWilliams j.Gjerloev R.Barnes D.D.Billet G.Chisham A.Dimmock M.P.Freeman D.-s.Han M.D.Hartinger s.-Y.W.Hsieh Z.-j.Hu M.K.james L.juusola K.Kauristie E.A.Kronberg M.Lester j.Manuel j.Matzka I.McCrea Y.Miyoshi j.Rae L.Ren F.sigernes E.spanswick K.sterne A.steuwer T.sun M.-T.Walach B.Walsh C.Wang j.Weygand j.Wild j.Yan j.Zhang Q.-H.Zhang Planetary sciences Group School of Physics and AstronomyUniversity of LeicesterUniversity RoadLeicesterLE17RHUK Rutherford Appleton Laboratory space Science Technology Facilities CouncilOxfordshireUK school of space and Environment Beihang UniversityBeijing 100191China Key Laboratory of space Environment Monitoring and Information Processing Ministry of Industry and Information TechnologyBeijing 100017China Department of space and Climate Physics UCLMullard Space Science LaboratoryHolmbury St.MaryDorkingSurreyRH56NTUK Birkeland Centre for space science Department of Physics and Technology.University of BergenBergenNorway Department of Physics and Astronomy University of Calgary2500 University DriveCalgaryAlbertaCanada T2N 1N4 British Antarctic survey CambridgeUK swedish Institute of space Physics KirunaSweden West Highfield Campus University of SouthamptonUniversity RoadSO171BJUK Goddard space Flight Center NASAGreenbeltMarylandUSA Athabasca University AthabascaCanada EsTEC European Space AgencyNetherlands University of saskatchewan SaskatoonCanada The johns Hopkins University Applied Physics Laboratory LaurelMarylandUSA swedish Institude of space Physics UppsalaSE 75121Sweden Tongji University Shanghai 200092China Center for space Plasma Physics Space Science Institute4765 Walnut Street Suite BBoulderColorado80301USA Polar Research Institute of China Shanghai 200136China Finnish Meteorological Institute(FMI) Finland Department of Earth and Environmental sciences(Geophysics) Ludwig Maximilian University of Munich(LMU)MunichTheresienstr.41MunichD-80333Germany Canadian space Agency MontrealCanada GFZ German Research Centre for Geosciences PotsdamGermany Nagoya University Institute for Space Earth Environment ResearchCenter for Integrated Data ScienceNagoyaAichiJP 464-8601 Northumbria University Newcastle upon TyneTyne and WearUK NE18ST National space science Center Chinese Academy SciencesBeijing 100190China Arctic Geophysics University Centre in Svalbard
The joint European space Agency and Chinese Academy of sciences solar wind Magnetosphere Ionosphere Link Explorer(sMILE)mission will explore global dynamics of the magnetosphere under varying solar wind and interplane... 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
Evaluating Methods of Visual Assistance for Workers to Improve Quality and Usability in Individualized Kitchen Cabinet Assembly
收藏 引用
journal of Computer and Communications 2024年 第2期12卷 156-172页
作者: Albert Eff Michael s. j. Walter Department of Engineering Ansbach University of Applied Sciences Ansbach Germany
In times of digitalisation, visual assistance systems in assembly are increasingly important. The design of these assembly systems needs to be highly complex to meet the requirements. Due to the increasing number of v... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
The interaction between temperature and precipitation on the potential distribution range of Betula ermanii in the alpine treeline ecotone on the Changbai Mountain
收藏 引用
Forest Ecosystems 2024年 第1期11卷 42-51页
作者: Yu Cong Yongfeng Gu Wen j.Wang Lei Wang Zhenshan Xue Yingyi Chen Yinghua jin jiawei Xu Mai-He Li Hong s.He Ming jiang Northeast Institute of Geography and Agroecology Chinese Academy of SciencesChangchun 130102China Key Laboratory of Geographical Processes and Ecological security in Changbai Mountains Ministry of EducationSchool of Geographical SciencesNortheast Normal UniversityChangchun 130024China school of Natural Resources University of MissouriColumbiaMO 65211USA swiss Federal Institute for Forest Snow and Landscape Research WSLCH-8903 BirmensdorfSwitzerland school of Life science Hebei UniversityBaoding 071000China
Alpine treeline ecotones are highly sensitive to climate *** low temperature-determined alpine treeline is expected to shift upwards in response to global ***,little is known about how temperature interacts with other... 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
Cluster Modulation: A Generalized Modulation scheme Leading to NOMA or Adaptive Modulation
收藏 引用
journal of Computer and Communications 2024年 第7期12卷 12-22页
作者: jamal s. Rahhal suliman j. Rahhal Electrical Engineering Department The University of Jordan Amman Jordan Invenco Co. Tampa USA
The need for higher data rate and higher systems capacity leads to several solutions including higher constellation size, spatial multiplexing, adaptive modulation and Non-Orthogonal Multiple Access (NOMA). Adaptive M... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Accuracy Enhancement of the Folin-Ciocalteu Method for Propolis
收藏 引用
American journal of Analytical Chemistry 2024年 第8期15卷 253-267页
作者: Rosilene s. N. Paganotti Paulo j. s. Barbeira Instituto Federal de Educao Cincia e Tecnologia de Minas GeraisCampus Formiga Formiga MG Brazil Departamento de Qumica Instituto de Cincias Exatas Universidade Federal de Minas Gerais Belo Horizonte MG Brazil
This study presents an optimization of the Folin-Ciocalteu spectrophotometric method for the determination of total phenol content. Multivariate optimization using factorial planning 22 with a central point and centra... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Flow Regimes in Bubble Columns with and without Internals: A Review
收藏 引用
Fluid Dynamics & Materials Processing 2024年 第2期20卷 239-256页
作者: Ayat N.Mahmood Amer A.Abdulrahman Laith s.sabri Abbas j.sultan Hasan shakir Majdi Muthanna H.Al-Dahhan Department of Chemical Engineering University of Technology-IraqBaghdadIraq Chemical and Petroleum Industries Engineering Department Al-Mustaqbal University CollegeBabylonIraq Department of Chemical and Biochemical Engineering Missouri University of Science and TechnologyRollaUSA
Hydrodynamics characterization in terms offlow regime behavior is a crucial task to enhance the design of bubble column reactors and scaling up related *** review presents recent studies on the typicalflow regimes estab... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Understanding intrarenal backflow: Intrarenal pressure during ureteroscopy and beyond
收藏 引用
Asian journal of Urology 2024年 第2期11卷 139-142页
作者: Palle j.s.Osther susanne s.Osther Maria P.Hesselholt sofia Byllov søren K.Lildal Louise F.Øbro Helene jung Urological Research Center Department of UrologyVejle Hospital(a part of Lillebaelt Hospital)University Hospital of Southern DenmarkVejleDenmark Department of Regional Health Research University of Southern DenmarkOdenseDenmark
The number of ureterorenoscopic procedures for upper urinary tract stone management has increased dramatically during recent years worldwide[1].Developments in flexible ureteroscope and laser technology have made it p... 详细信息
来源: 维普期刊数据库 维普期刊数据库 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