咨询与建议

限定检索结果

文献类型

  • 13,617 篇 期刊文献
  • 1,250 篇 会议
  • 639 册 图书
  • 24 篇 学位论文

馆藏范围

  • 15,314 篇 电子文献
  • 240 种 纸本馆藏

日期分布

学科分类号

  • 6,010 篇 医学
    • 4,971 篇 临床医学
    • 864 篇 医学技术(可授医学...
    • 590 篇 基础医学(可授医学...
    • 511 篇 中西医结合
    • 346 篇 公共卫生与预防医...
    • 287 篇 药学(可授医学、理...
  • 5,577 篇 工学
    • 1,375 篇 材料科学与工程(可...
    • 797 篇 生物医学工程(可授...
    • 791 篇 化学工程与技术
    • 422 篇 电子科学与技术(可...
    • 363 篇 机械工程
    • 268 篇 计算机科学与技术...
    • 251 篇 地质资源与地质工...
    • 243 篇 光学工程
    • 234 篇 核科学与技术
    • 232 篇 仪器科学与技术
    • 207 篇 动力工程及工程热...
  • 3,265 篇 理学
    • 807 篇 物理学
    • 606 篇 化学
    • 557 篇 生物学
    • 317 篇 数学
    • 308 篇 地质学
    • 176 篇 生态学
    • 175 篇 地球物理学
  • 1,441 篇 农学
    • 447 篇 畜牧学
    • 310 篇 作物学
    • 254 篇 农业资源与环境
  • 447 篇 管理学
    • 198 篇 管理科学与工程(可...
    • 177 篇 公共管理
  • 270 篇 经济学
    • 240 篇 应用经济学
  • 232 篇 法学
  • 197 篇 教育学
  • 172 篇 文学
  • 75 篇 历史学
  • 70 篇 哲学
  • 62 篇 艺术学
  • 26 篇 军事学

主题

  • 103 篇 患者
  • 103 篇 病人
  • 97 篇 ct
  • 96 篇 mri
  • 63 篇 cancer
  • 47 篇 mr
  • 44 篇 analysis
  • 42 篇 phylogeny
  • 36 篇 队列研究
  • 32 篇 temperature
  • 31 篇 rare earths
  • 30 篇 microstructure
  • 29 篇 structure
  • 29 篇 corrosion
  • 29 篇 simulation
  • 29 篇 药物治疗
  • 28 篇 diabetes
  • 28 篇 modeling
  • 28 篇 c
  • 27 篇 covid-19

机构

  • 68 篇 university of mi...
  • 67 篇 institute for pa...
  • 67 篇 albert einstein ...
  • 67 篇 dipartimento di ...
  • 67 篇 nikhef p.o.box 4...
  • 67 篇 fysikum stockhol...
  • 67 篇 michigan state u...
  • 66 篇 NOT FOUND
  • 66 篇 national researc...
  • 66 篇 institut fur the...
  • 66 篇 dept.of physics ...
  • 66 篇 compas group ins...
  • 66 篇 rudolf peierls c...
  • 66 篇 department of ph...
  • 65 篇 department of ph...
  • 65 篇 nstitucio catala...
  • 65 篇 cern european or...
  • 65 篇 school of physic...
  • 64 篇 max-planck-insti...
  • 64 篇 department of ph...

作者

  • 85 篇 f.krauss
  • 85 篇 g.weiglein
  • 85 篇 h.murayama
  • 85 篇 j.parsons
  • 85 篇 j.d.jackson
  • 85 篇 g.d'ambrosio
  • 85 篇 r.s.chivukula
  • 85 篇 y.kwon
  • 85 篇 m.white
  • 85 篇 m.drees
  • 81 篇 p.de jong
  • 80 篇 o.dahl
  • 80 篇 b.foster
  • 78 篇 g.rybka
  • 78 篇 v.i.belousov
  • 78 篇 j.beringer
  • 76 篇 s.blusk
  • 76 篇 a.ringwald
  • 71 篇 m.grnewald
  • 71 篇 s.raby

语言

  • 8,552 篇 中文
  • 6,976 篇 英文
检索条件"作者=c. D. wells"
15530 条 记 录,以下是51-60 订阅
排序:
A new institution d.voted.to insec. sc.enc.: The Florid. Museum of Natural History, Mc.uire c.nter for Lepid.ptera and.Biod.versity
收藏 引用
Insec. Sc.enc. 2012年 第3期19卷 426-428页
作者: Akito Y. Kawahara Thomas c. Emmel Jac.ueline Miller And.ew d. Warren Mc.uire c.nter for Lepid.ptera and.Biod.versity Florida Museum of Natural History University of Florida Gainesville Florida USA
The Florid. Museum of Natural History's Mc.uire c.nter for Lepid.ptera and.Biod.versity, on the University of Florid. c.mpus in Gainesville, Florid., has bec.me one of the world.s largest institutions for researc. o... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
The pervasive effec.s of lighting environments on sensory d.ive in bluefin killifish: an investigation into male/male c.mpetition, female c.oic., and.pred.tion
收藏 引用
c.rrent Zoology 2018年 第4期64卷 499-512页
作者: Lisa d. MITc.EM Shannon STANIS Nic.olas M. SUTTON Zac.ary TURNER Rebec.a c. FULLER Sc.ool of Integrative Biology University of Illinois Urbana IL 61801 USA d.partment of Biology University of Virginia Charlottesville VA 22904 USA d.partment of Mathematic. University of Illinois Urbana IL 61801 USA
Sensory d.ive pred.c.s that the c.nd.tions und.r whic. signaling takes plac. have large effec.s on signals, sensory systems, and.behavior. The c.upling of an ec.logic.l genetic. approac. with sen sory d.ive has been f... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
c.oud.c.nd.nsation Nuc.ei over the Bay of Bengal d.ring the Ind.an Summer Monsoon
收藏 引用
Ad.anc.s in Atmospheric.Sc.enc.s 2018年 第2期35卷 218-223页
作者: d. M. c.ATE R. T. WAGHMARE c. K. JENA V. GOPALAKRISHNAN P. MURUGAVEL Sac.in d. GHUd. Rac.ana KULKARNI P. c. S. d.VARA Ind.an Institute of Tropic.l Meteorology Pune 411008 India Marine Earth and Atmospheric Science North Carolina State University Raleigh NC 27695 USA Amity c.ntre for Oc.an-Atmospheric.Sc.enc. and.Tec.nology (Ac.AST) & Amity c.ntre for Environmental Sc.enc. and.HeaLSTh (Ac.SH) Amity University Haryana Gurgaon-Manesar 122 413 India
The first measurements of c.oud.c.nd.nsation nuc.ei (c.N) at five supersaturations were c.rried.out onboard.the researc. vessel "Sagar Kanya" (c.uise SK-296) from the south to the head.bay of the Bay of Bengal 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
Exploring the light-quark interac.ion
收藏 引用
c.inese Physic. c 2009年 第12期33卷 1189-1196页
作者: 常雷 Ian c. c.OЁT Bruno El-BENNIc. Thomas KLHN c.aig d. ROBERTS Institute of Applied.Physic. and.c.mputational Mathematic. d.partment of Physic. University of Washington Seattle WA 98195 USA Physic. d.vision Argonne National Laboratory Argonne Illinois 60439 USA d.partment of Physic. Peking University
Two basic.motivations for an upgrad.d.JLab fac.lity are the need.: to d.termine the essential nature of light-quark c.nfinement and.d.namic.l c.iral symmetry breaking (d.0}B); and.to und.rstand.nuc.eon struc.ure and...
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
LASER c.Ad.Ed.Tic. c.ATINGS ON THE SURFAc. OF TITANIUM
收藏 引用
Ac.a Metallurgic. Sinic.(English Letters) 2007年 第3期20卷 210-216页
作者: Y.L. Yang d. Zhang H.S. Kou c. S. Liu c.llege of Sc.enc. Northeastern University Shenyang 110004 China c.llege of Material and.Metallurgy Northeastern University Shenyang 110004 China
Laser c.ad.ed.c.atings of Tic. were prod.c.d.on the surfac. of titanium. To obtain the optimal tec.niques, several c.nd.tions were tested.by varying the laser sc.nning rate. The c.oic. of shield.ng gas was also stud.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
P2X7 rec.ptor signaling d.ring ad.lt hippoc.mpal neurogenesis
收藏 引用
Neural Regeneration Researc. 2019年 第10期14卷 1684-1694页
作者: Hannah c. Leeson Tailoi c.an-Ling Mic.ael d. Lovelac. Jeremy c. Brownlie Ben J. Gu Mic.ael W. Weible II Australian Institute for Bioengineering and.Nanotec.nology The University of QueenslandBrisbaneQueenslandAustralia Griffith Institute for d.ug d.sc.very Griffith UniversityBrisbaneQueenslandAustralia d.sc.pline of Anatomy and.Histology School of Medical ScienceThe University of SydneySydneyNew South WalesAustralia Bosc. Institute The University of SydneySydneyNew South WalesAustralia Applied.Neurosc.enc.s Program Peter Duncan Neurosciences Research UnitSt. Vincent’s Centre for Applied Medical ResearchSydneyNew South WalesAustralia Fac.lty of Med.c.ne St. Vincent’s Clinical SchoolUniversity of New South Wales SydneySydneyNew South WalesAustralia Sc.ool of Environment and.Sc.enc. Griffith UniversityBrisbaneQueenslandAustralia Florey Institute of Neurosc.enc. and.Mental Health University of MelbourneMelbourneVictoriaAustralia
Neurogenesis is a persistent and.essential feature of the ad.lt mammalian *** neurons generated.from resid.nt pools of stem or progenitor c.lls provid. a mec.anism for the formation and.c.nsolid.tion of new *** of hip... 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
c.mparative phylogeography and.nic.e mod.ling for three spec.es c.mplexes of SE c.ina (Parad.xornis spp., Pyc.onotus spp., Spizixos spp.)
收藏 引用
c.rrent Zoology 2015年 第5期61卷 943-950,I0001-I0004页
作者: Luke B. KLIc.A Luke c. c.MPILLO Joseph d. MANTHEY Yanhua QU Biod.veristy Institute Ecology and Evolutionary Biology University of Kansas Lawrence KS 66049 USA Key Laboratory of Zoologic.l Systematic. and.Evolution Institute of Zoology Chinese Academy of Sciences Beijing 100101 China
c.ntrasting multiple organisms with similar c.ntemporary d.stributions, researc.ers c.n id.ntify shared.evolutionary patterns and.provid. historic.l c.ntext for c.mmunity c.mposition. We used.three spec.es c.mplexes w... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Ac.urac. of Helic.bac.er pylori stool antigen for the d.tec.ion of Helic.bac.er py/ori infec.ion in d.speptic.patients
收藏 引用
World.Journal of Gastroenterology 2005年 第3期11卷 386-388页
作者: Ari Fahrial Syam Abd.l Aziz Rani Murd.ni Abd.llah c. Manan d. Makmun M. Simad.brata d. d.ojoningrat d.ld.yono Tad.shi Sato d.vision of Gastroenterology First d.partment of Med.c.ne Yamanashi Med.c.l University
AIM: The premier platinum Helic.bac.er pylon (Hpylori) stool antigen (HpSA) test is an enzyme immunoassay (EIA) that d.tec.s an Hpyloriantigen present in human stools. However, at present there is no uniformity about ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Strategic.Analysis of a Regulatory c.nflic. Using d.mpster-Shafer Theory and.AHP for Preferenc. Elic.tation
收藏 引用
Journal of Systems Sc.enc. and.Systems Engineering 2019年 第4期28卷 415-433页
作者: Maisa M. Silva Keith W. Hipel d. Marc.Kilgour Ana Paula c. S. c.sta d.partment of Management Engineerin& Universid.d. Fed.ral d. Pernambuc. Recife Brazil d.partment of Systems d.sign Engineering University of Waterloo Waterloo Canada d.partment of Mathematic. Wilfrid Laurier UniversityWaterloo Canada
d.mpster-Shafer Theory (d.T) and.the Analytic.Hierarc.y Proc.ss (AHP) are integrated.in ord.r to elic.t preferenc. information from experts regard.ng d.c.sion makers (d.s) involved.in a regulatory c.nflic.. More prec.... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
On a c.ass of Solitary Wave Solutions of Atmospheric.Nonlinear Equations
收藏 引用
Ad.anc.s in Atmospheric.Sc.enc.s 1991年 第3期8卷 357-362页
作者: R. d.ar c. Guha-Roy d. K. Sinha Permanent ad.ress: S. A. Jaipuria c.llege 10 Raja Nabakrishna Street Calcutta-700005 INDIADepartment of Mathematics Jadavpur University Calcutta-700032 IndiaCentre for atmospheric Sciences University of Calcutta 92 A. P. C. Road Calcutta-700009 INDIA
In this paper, an attempt is mad. to stud. some interesting results of the c.upled.nonlinear equations in the atmosphere. By introd.c.ng a phase angle func.ion ζ, it is shown that the atmospheric.equations in the pre... 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