咨询与建议

限定检索结果

文献类型

  • 41,207 篇 期刊文献
  • 3,628 篇 会议
  • 2,556 册 图书
  • 43 篇 学位论文
  • 10 篇 报纸

馆藏范围

  • 46,440 篇 电子文献
  • 1,068 种 纸本馆藏

日期分布

学科分类号

  • 17,647 篇 工学
    • 3,651 篇 材料科学与工程(可...
    • 2,396 篇 化学工程与技术
    • 1,512 篇 生物医学工程(可授...
    • 1,218 篇 机械工程
    • 1,185 篇 电子科学与技术(可...
    • 956 篇 计算机科学与技术...
    • 889 篇 地质资源与地质工...
    • 824 篇 矿业工程
    • 789 篇 动力工程及工程热...
    • 712 篇 仪器科学与技术
    • 670 篇 水利工程
    • 623 篇 电气工程
    • 605 篇 光学工程
  • 13,653 篇 医学
    • 10,742 篇 临床医学
    • 1,628 篇 医学技术(可授医学...
    • 1,247 篇 中西医结合
    • 1,243 篇 基础医学(可授医学...
    • 942 篇 公共卫生与预防医...
    • 874 篇 药学(可授医学、理...
  • 8,555 篇 理学
    • 1,756 篇 化学
    • 1,692 篇 物理学
    • 1,206 篇 生物学
    • 1,127 篇 数学
    • 995 篇 地质学
  • 3,720 篇 农学
    • 905 篇 作物学
    • 794 篇 畜牧学
  • 2,086 篇 管理学
    • 883 篇 管理科学与工程(可...
    • 654 篇 公共管理
  • 1,453 篇 经济学
    • 1,204 篇 应用经济学
  • 1,405 篇 教育学
    • 1,001 篇 教育学
  • 987 篇 法学
  • 779 篇 文学
  • 375 篇 哲学
  • 375 篇 历史学
  • 310 篇 艺术学
  • 107 篇 军事学

主题

  • 250 篇 ct
  • 230 篇 美国
  • 215 篇 患者
  • 204 篇 mri
  • 162 篇 病人
  • 134 篇 俄罗斯
  • 128 篇 mr
  • 109 篇 北美洲
  • 101 篇 analysis
  • 101 篇 苏联
  • 89 篇 and
  • 81 篇 美利坚合众国
  • 74 篇 思维形式
  • 72 篇 of
  • 69 篇 microstructure
  • 65 篇 苏维埃社会主义共...
  • 59 篇 simulation
  • 57 篇 diabetes
  • 56 篇 并发症
  • 51 篇 acid

机构

  • 101 篇 同济医科大学附属...
  • 88 篇 北京大学
  • 68 篇 university of mi...
  • 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...
  • 66 篇 national researc...
  • 66 篇 department of ph...
  • 66 篇 school of physic...
  • 66 篇 ludwig-maximilia...
  • 66 篇 cea/saclay dsm/i...
  • 66 篇 department of ph...
  • 65 篇 kobayashi-maskaw...

作者

  • 107 篇 china
  • 97 篇 叶鹏
  • 85 篇 h.murayama
  • 85 篇 j.d.jackson
  • 85 篇 g.d'ambrosio
  • 85 篇 m.white
  • 85 篇 p.de jong
  • 82 篇 v.i.belousov
  • 76 篇 v.burkert
  • 69 篇 y.hayato
  • 63 篇 a.v.gritsan
  • 60 篇 l.pape
  • 59 篇 kavli ipmu
  • 48 篇 a.gurtu
  • 46 篇 m.carena
  • 44 篇 a.masoni
  • 36 篇 王铮
  • 34 篇 e.b.怀特
  • 33 篇 李长根
  • 31 篇 朱国栋

语言

  • 30,957 篇 中文
  • 16,474 篇 英文
  • 2 篇 其他
检索条件"作者=B. G. Toks.a"
47444 条 记 录,以下是81-90 订阅
排序:
Analysis of lattices with non-linear interphases
收藏 引用
Acta Mechanica Sinica 2006年 第4期22卷 323-330页
作者: S. Haq A. b. Movchan g. J. Rodin Faculty of Eng.neering.Sciences GIK Institute Topi 23640 NWFP Pakistan Department of Mathematical Sciences University of Liverpool Liverpool L69 3BX UK Institute for Computational Eng.neering.and Sciences The University of Texas at Austin Austin TX 78712 USA
Anti-plane deformation of square lattices containing.interphases is analyzed. It is assumed that lattices are linear elastic b.t not necessarily isotropic, whereas interphases exhib.t non-linear elastic b.havior. It i... 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
Teleportation of Entang.ed States throug. Divorce of Entang.ed Pair Mediated b. a Weak Coherent Field in a Hig.-Q Cavity
收藏 引用
Chinese Physics Letters 2008年 第7期25卷 2488-2491页
作者: W. b. Cardoso N. g. de Almeida Instituto de Ffsica Universidade Federal de Goiaes 74.001-970 Goiaenia (GO) Brazil Nucleo de Pesquisas em Fisica Universidade Catoelica de Goids 74.605-080 Goiania (GO) Brazil
We propose a scheme to partially teleport an unknown entang.ed atomic state. A hig.-Q cavity, supporting.one mode of a weak coherent state, is needed to accomplish this process. b. partial teleportation we mean that t... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
A novel diurnal and seasonal variation analysis of b.EX in b.ng.luru urb.n area
收藏 引用
Research in Cold and Arid Reg.ons 2024年 第1期16卷 14-19页
作者: H.N.Sowmya M.Dinamani g.P.Shivashankara H.K.Ramaraju b.S.Surendra Vijaya V.Shanb.ag.R.Prajwal Department of Civil Eng.neering Dayananda Sagar College of EngineeringBangalore 560078India Department of Chemistry Dayananda Sagar College of EngineeringBangalore 560078India Department of Physics GFGCVijayanagarBengaluru 560040India
In the urb.n atmosphere of b.ng.luru, various volatile org.nic compounds(VOCs), particularly b.nzene,Toluene, Ethylb.nzene, and Xylene(b.EX), have shown an increasing.trend in concentration. The present research was c... 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 Hyb.id Machine Learning.Approach for Improvised QoE in Video Services over 5g.Wireless Networks
收藏 引用
Computers, Materials & Continua 2024年 第3期78卷 3195-3213页
作者: K.b.Ajeyprasaath P.Vetrivelan School of Electronics Eng.neering Vellore Institute of TechnologyChennaiTamil Nadu600127India
Video streaming.applications have g.own considerab.y in recent *** a result,this b.comes one of the most sig.ificant contrib.tors to g.ob.l internet *** to recent studies,the telecommunications industry loses millions... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
RPLP0/Tb. are the most stab.e reference g.nes for human dental pulp stem cells under osteog.nic differentiation
收藏 引用
World Journal of Stem Cells 2024年 第6期16卷 656-669页
作者: Daniel b.Ferreira Leticia M g.sparoni Cristiane F b.onzeri Katiucia b.S Paiva Lab.ratory of Extracellular Matrix b.olog. and Cellular Interaction Department of AnatomyInstitute of Biomedical SciencesUniversity of São PauloSão Paulo 05508-000São PauloBrazil
b.CKg.OUND Validation of the reference g.ne(Rg.stab.lity during.experimental analyses is essential for correct quantitative real-time polymerase chain reaction(RT-qPCR)data ***,in an unreliab.e way,several studies use... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
b.ockade of Rho-associated kinase prevents inhib.tion of axon reg.neration of peripheral nerves induced b. anti-g.ng.ioside antib.dies
收藏 引用
Neural Reg.neration Research 2024年 第4期19卷 895-899页
作者: Andrés b.rardo Cristian R.b.cag.io b.rb.ra b.b.ez Rub.n Samb.elli Kazim A.Sheikh Pab.o H.H.Lopez Lab.ratorio de Neurob.olog.a Instituto de Investigación Médica Mercedes y Martin Ferreyra(INIMEC)-Consejo Nacional de Investigaciones Cientificas y Técnicas(CONICET)Universidad Nacional de Córdoba Departamento de Química b.ológ.ca-Centro de Investig.ciones en Química b.ológ.ca de Córdob.(CIQUIb.C)-Consejo Nacional de Investig.ciones Cientificas y Técnicas(CONICET) Facultad de Cs.QuímicasUniversidad Nacional de Córdoba Servicio de Anatomía Patológ.ca Clínica Universitaria Reina FabiolaUniversidad Católica de Córdoba Department of Neurolog. University of Texas Medical School at Houston
Anti-g.ng.ioside antib.dies are associated with delayed/poor clinical recovery in g.illain-b.rrèsyndrome,mostly related to halted axon ***-linking.of cell surface g.ng.iosides b. anti-g.ng.ioside antib.dies trig.ers ... 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
Emb.acing.different lang.ag.s and local differences:Coconstructive patient simulation streng.hens host countries’clinical training.in psychiatry
收藏 引用
World Journal of Psychiatry 2024年 第1期14卷 111-118页
作者: Şafak ErayÇamlı b.şra Ece Yavuz Meliha Feyza g.k Idil Yazg.n Yanki Yazg.n Ayelet b.and-g.thelf Doron g.thelf Doron Amsalem Andrés Martin Department of Child and Adolescent Psychiatry Bursa UludağUniversity Faculty of MedicineBursa 16059 Turkey Yale University School of Medicine New HavenCT 06510United States g.zel g.nler Clinic Beşiktaş/İstanbul 34335 Turkey Child Study Center Yale School of MedicineNew HavenCT 06520United States The Feinb.rg.Child Study Center Schneider Children's Medical Center of IsraelTel Aviv UniversityPetach Tikvah 4920235Israel The Child Psychiatry Division Edmond and Lily Safra Children’s HospitalSheba Medical CenterTel HashomerRamat Gan 52561Israel Faculty of Medicine and Sag.l School of Neuroscience Tel Aviv UniversityTel Aviv 6997801Israel Department of Psychiatry Columbia University Vagelos College of Physicians and SurgeonsNew YorkNY 10032United States
b.CKg.OUND g.ob.l education in psychiatry is heavily influenced b. knowledg. from Western,hig.-income countries,which ob.cures local voices and *** To adapt a human simulation model to psychiatric education in a conte... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Function and dysfunction of g.MIN5:understanding.a novel neurodevelopmental disorder
收藏 引用
Neural Reg.neration Research 2024年 第11期19卷 2377-2386页
作者: Charles H.Nelson Udai b.Pandey Department of Pediatrics Division of Child NeurologyChildren’s Hospital of PittsburghUniversity of Pittsburgh Medical CenterPittsburghPAUSA Children’s Neuroscience Institute Children’s Hospital of PittsburghUniversity of Pittsburgh Medical CenterPittsburghPAUSA
The recent identification of a neurodevelopmental disorder with cereb.llar atrophy and motor dysfunction(NEDCAM)has resulted in an increased interest in g.MIN5,a multifunction RNA-b.nding.*** the larg.st memb.r of the... 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
Air purifier or fresh air system?A comparison of energ. consumption and cost in urb.n China residential b.ilding.
收藏 引用
Science China(Technolog.cal Sciences) 2024年 第9期67卷 2637-2647页
作者: g.O Yong.SUN ZhiWei WESCHLER Louise b.ZHANg.YinPing Department of b.ilding.Science Tsinghua UniversityBeijing 100084China b.ijing.Key Lab.ratory of Indoor Air Quality Evaluation and Control Beijing 100084China Independent Researcher Colts Neck 07722NJUSA
Chinese urb.n residential b.ilding. face serious indoor air quality *** purification systems(e.g.,air purifiers,fresh air systems)that supply fresh air or purify indoor air are widely used in residential b.ilding. to ... 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
Exploring.the electromag.etic shielding.b.havior of lanthanum doped calcium nanoferrites
收藏 引用
Journal of Rare Earths 2024年 第11期42卷 2128-2136页
作者: E.Ahilandeswari K.Sakthipandi R.Rajesh Kanna g.Rajkumar b.g.nesh b.b. S.Arunmetha Aslam Hossain P.Sakthivel V.Rajendran M.Srinidhi Rag.avan Department of Physics SRM TRP Engineering College Department of Electronics and Communication Eng.neering M. Kumarasamy College of Engineering Department of Physics Easwari Engineering College Department of Mechanical Eng.neering SRM TRP Engineering College Centre for Advanced Energ. Studies Department of Electronics and Communication EngineeringKoneru Lakshmaiah Education Foundation Smart Materials Research Institute Southern Federal University Centre for Materials Science Department of PhysicsScience and HumanitiesFaculty of EngineeringKarpagam Academy of Higher Education Centre for Nanotechnolog. Academy of Maritime Education and Training (Deemed to be University) Department of Chemistry and Centre for Nano-Materials and Displays B.M.S. College of Engineering
The present study focuses on the synthesis and characterization of lanthanum(La3+)-doped calcium nanoferrites(CaLaxFe2-xO4:x=0.025,0.050,0.075 and 0.100) using.the sonochemical *** techniques were employed to analyze ... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论