咨询与建议

限定检索结果

文献类型

  • 23,295 篇 期刊文献
  • 1,769 篇 会议
  • 587 册 图书
  • 13 篇 学位论文
  • 2 篇 报纸

馆藏范围

  • 25,495 篇 电子文献
  • 187 种 纸本馆藏

日期分布

学科分类号

  • 10,772 篇 医学
    • 8,809 篇 临床医学
    • 1,238 篇 医学技术(可授医学...
    • 883 篇 基础医学(可授医学...
    • 818 篇 中西医结合
    • 617 篇 公共卫生与预防医...
    • 531 篇 药学(可授医学、理...
  • 8,867 篇 工学
    • 2,136 篇 材料科学与工程(可...
    • 1,323 篇 化学工程与技术
    • 1,111 篇 生物医学工程(可授...
    • 681 篇 电子科学与技术(可...
    • 493 篇 机械工程
    • 488 篇 计算机科学与技术...
    • 379 篇 光学工程
    • 349 篇 动力工程及工程热...
    • 348 篇 仪器科学与技术
    • 304 篇 地质资源与地质工...
    • 296 篇 电气工程
  • 5,521 篇 理学
    • 1,170 篇 物理学
    • 1,122 篇 化学
    • 890 篇 生物学
    • 672 篇 数学
    • 452 篇 地质学
    • 320 篇 生态学
  • 2,093 篇 农学
    • 519 篇 作物学
    • 425 篇 农业资源与环境
    • 422 篇 畜牧学
  • 869 篇 管理学
    • 383 篇 管理科学与工程(可...
    • 304 篇 公共管理
  • 557 篇 经济学
    • 487 篇 应用经济学
  • 450 篇 教育学
    • 293 篇 教育学
  • 359 篇 文学
  • 291 篇 法学
  • 115 篇 哲学
  • 115 篇 艺术学
  • 113 篇 历史学
  • 36 篇 军事学

主题

  • 189 篇 患者
  • 188 篇 ct
  • 176 篇 mri
  • 76 篇 病人
  • 71 篇 analysis
  • 71 篇 mr
  • 67 篇 中国
  • 63 篇 diabetes
  • 52 篇 of
  • 51 篇 acid
  • 49 篇 high
  • 48 篇 c
  • 46 篇 药物治疗
  • 44 篇 plasma
  • 44 篇 治疗
  • 43 篇 corrosion
  • 42 篇 phylogeny
  • 40 篇 mechanical prope...
  • 39 篇 health
  • 38 篇 cancer

机构

  • 68 篇 university of mi...
  • 68 篇 department of ph...
  • 68 篇 department of ph...
  • 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...
  • 67 篇 school of physic...
  • 67 篇 ludwig-maximilia...
  • 67 篇 cea/saclay dsm/i...
  • 67 篇 department of ph...
  • 66 篇 national researc...
  • 65 篇 kobayashi-maskaw...
  • 65 篇 high energy phys...
  • 65 篇 department of ph...

作者

  • 91 篇 叶鹏
  • 88 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
  • 80 篇 v.burkert
  • 78 篇 y.hayato
  • 75 篇 a.v.gritsan
  • 70 篇 a.gurtu
  • 69 篇 m.carena
  • 67 篇 a.masoni
  • 62 篇 kavli ipmu
  • 62 篇 l.pape
  • 52 篇 s.rolli
  • 46 篇 a.d.martin
  • 45 篇 b.heltsley
  • 41 篇 s.r.klein
  • 38 篇 d.h.weinberg

语言

  • 13,168 篇 中文
  • 12,495 篇 英文
  • 1 篇 法文
  • 1 篇 其他
检索条件"作者=cHEUNG s.c."
25666 条 记 录,以下是11-20 订阅
排序:
A global analysis of the introduction pathways and characteristics ass.c.ated with non-native fish species introduction, establishment, and impacts
收藏 引用
Ecological Processes 2024年 第2期13卷 16-31页
作者: camille Bernery céline Bellard Franck courchamp sébastien Brosse Boris Leroy cNRs Agro Paris Tech Ecologie Systématique Evolution Université Paris-Saclay Unité Biologie des Organismes et Ecosystèmes Aquatiques (BOREA UMR 8067) Muséum National d’Histoire Naturelle Sorbonne Universités Université de Caen Normandie Université des Antilles CNRS IRD Laboratoire évolution & Diversité Biologique (EDB UMR5174) Université Paul Sabatier-Toulouse 3 CNRS IRD UPS
Background The invasion s.c.ess of introduced freshwater fishes is influenced by many factors, including ecological, species, and s.c.oeconomic characteristics. Most studies that document the importance of these chara... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
All-electron basis sets for H to Xe specific for ZORA calculations:Applications in atoms and molecules
收藏 引用
chinese Phys.c. B 2024年 第8期33卷 238-246页
作者: c.s.Gomes F.E.Jorge A.canal Neto Departamento de Fis.c. Universidade Federal do Espirito Santo29075-910 VitoriaESBrazil Departamento de Fis.c. Instituto de Ciencias Exatas e BiologicasUniversidade Federal de Ouro Preto Campus Universitario Morro do Cruzeiro35402-136 Ouro PretoMGBrazil
A segmented basis set of quadruple zeta valence quality plus polarization functions(QZP)for H through Xe was developed to be used in conjunction with the ZORA *** set was augmented with diffuse functions to describe e... 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
Quantum Realities and Observer-Dependent Universes: An Advanced Observer Model
收藏 引用
Journal of Quantum Information science 2024年 第3期14卷 69-121页
作者: Joseph Hon cheung Wong Department of computing The Hong Kong Polytechnic University Hung Hom Kowloon Hong Kong China
This paper presents a novel observer model that integrates quantum mechanics, relativity, idealism, and the simulation hypothesis to explain the quantum nature of the universe. The model posits a central server transm... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Effect of radiative loss mechanisms on FIR thermometric parameters of Nd^(3+)-doped lithium tellurite glasses
收藏 引用
Journal of Rare Earths 2024年 第7期42卷 1250-1257,I0002页
作者: c.Y.Morassuti A.P.L silva L.A.O.Nunes s.M.Lima L.H.c.Andrade Optical and Photothermal spectroscopy Group(GEOF) Center for Studies in Natural Resources(CERNA)State University of Mato Grosso do Sul(UEMS)C.P.351DouradosMSBrazil Renato Archer Information Technology center Dom Pedro I Highway(SP-65)Km 1436-Chácaras Campos dos AmaraisCampinasSPBrazil Institute of Phys.c. of são carlos University of São PauloSão CarlosSPBrazil
Nd^(3+)-doped tellurite glasses are promising materials for thermometers based on the fluorescence intensity ratio(FIR)***,at high Nd^(3+)concentrations,energy transfer(ET)processes s.c. as optical reabsorption and cr... 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
Rotating effects on the photoionization cross-s.c.ion of a 2D quantum ring
收藏 引用
communications in Theoretical Phys.c. 2024年 第10期76卷 153-159页
作者: carlos Magno O Pereira Frankbelson dos s Azevedo Luís Fernando c Pereira Edilberto O silva Departamento de Fís.c. Universidade Federal do Maranh?o
In this article, we investigate the nonrelativistic quantum motion of a charged particle within a rotating frame, taking into account the Aharonov–Bohm(AB) effect and a uniform magnetic field. Our analysis entails th... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
classification of Rings Ass.c.ated with the Genus of clean Graphs
收藏 引用
Algebra colloquium 2024年 第3期31卷 451-466页
作者: V.Ramanathan c.selvaraj Aaqib Altaf s.Pirzada Department of Mathematics Periyar UniversitySalem 636011Tamil NaduIndi Department of Mathematics University of KashmirHazratbalSrinagarKashmirIndia
Let R be a ring(not necessarily commutative)with identity 1 and let cL(R)be its.c.ean *** this paper,we investigate the genus number of the compact Riemann surface in which cL(R)can be embedded and explicitly determin... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
cr-induced fusion reactions to synthesize superheavy elements
收藏 引用
Nuclear science and Techniques 2024年 第5期35卷 122-130页
作者: s.Madhu H.c.Manjunatha N.sowmya B.M.Rajesh L.seenappa R.s.susheela Department of Phys.c. R V College of EngineeringBangalore 560074India Visvesvaraya Technological University BelagaviKarnataka 590018India Department of Phys.c. Government First Grade CollegeSrinivasapurKarnataka 563135India Department of Phys.c. Government First Grade CollegeDevanahallyKarnataka 562110India Department of Phys.c. Government First Grade CollegeMulbagalKarnataka 563131India Department of Phys.c. Government First Grade collegeNanjangudOoty RoadMysore 571301India
We investigated ^(50,52-54)cr-induced fusion reactions for the synthesis of the superheavy element in the 104≤Z≤122 *** cross s.c.ions produced in this investigation using ^(54)cr projectiles were compared with thos... 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
Investigations of nuclear chirality at iThemba LABs
收藏 引用
Frontiers of phys.c. 2024年 第2期19卷 7-38页
作者: R.A.Bark E.A.Lawrie c.Liu s.Y.Wang iThemba Laboratory for Accelerator Based sciences National Research FoundationP.O.Box 722Somerset-West 7129South Africa Department of Phys.c. University of the Western CapePrivate Bag X177535BellvilleSouth Africa shandong Provincial Key Laboratory of Optical Astronomy and solar-Terrestrial Environment Institute of Space SciencesShandong UniversityWeihai 264209China
Progress in the studies of chirality in atomic nuclei at iThemba LABs is *** regions of chirality,around mass 80 and 190 have been discovered using the AFRODITE array,specifically in the nuclei^(74)As,^(78,80,82)Br,^(... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Performance of generative pre-trained transformers (GPTs) in certification Examination of the college of Family Phys.c.ans of canada
收藏 引用
Family Medicine and community Health 2024年 第S1期12卷 12-19页
作者: Mehdi Mousavi shabnam shafiee Jason M Harley Jackie chi Kit cheung samira Abbasgholizadeh Rahimi Department of Family Medicine Faculty of MedicineUniversity of SaskatchewanNipawinSaskatchewanCanada Department of Family Medicine Saskatchewan Health AuthorityRiverside Health ComplexTurtlefordSaskatchewanCanada Department of surgery Faculty of Medicine and Health SciencesMcGill UniversityMontrealQuebecCanada Research Institute of the McGill University Health centre MontrealQuebecCanada Institute for Health sciences Education Faculty of Medicine and Health SciencesMcGill UniversityMontrealQuebecCanada McGill University school of computer science MontrealQuebecCanada cIFAR AI chair Mila-Quebec AI InstituteMontrealQuebecCanada Department of Family Medicine McGill UniversityMontrealQuebecCanada Mila Quebec AI-Institute MontrealQuebecCanada Faculty of Dentistry Medicine and Oral Health sciences McGill UniversityMontrealQuebecCanada Lady Davis Institute for Medical Research Jewish General HospitalMontrealQuebecCanada
Introduction The application of large language models s.c. as generative pre-trained transformers(GPTs)has been promising in medical education,and its performance has been tested for different medical *** study aims t... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
A functional tacrolimus-releasing nerve wrap for enhancing nerve regeneration following surgical nerve repair
收藏 引用
Neural Regeneration Research 2025年 第1期20卷 291-304页
作者: simeon c.Daeschler Katelyn J.W.so Konstantin Feinberg Marina Manoraj Jenny cheung Jennifer Zhang Kaveh Mirmoeini JPaul santerre Tessa Gordon Gregory HBorschel s.c.Kids Research Institute Neuroscience and Mental Health ProgramTorontoONCanada Institute of Biomaterials and Biomedical Engineering University of TorontoTorontoONCanada Indiana University school of Medicine IndianapolisINUSA Division of Plastic and Reconstructive surgery the Hospital for Sick ChildrenTorontoONCanada Translational Biology and Engineering Program Ted Rogers Centre for Heart ResearchInstitute of Biomedical EngineeringFaculty of DentistryUniversity of TorontoTorontoONCanada
Axonal regeneration following surgical nerve repair is slow and often incomplete,resulting in poor functional recovery which sometimes.c.ntributes to lifelong ***,there are no FDA-approved therapies available to promo... 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