咨询与建议

限定检索结果

文献类型

  • 40,830 篇 期刊文献
  • 2,754 篇 会议
  • 2,625 册 图书
  • 28 篇 学位论文
  • 27 篇 报纸

馆藏范围

  • 45,014 篇 电子文献
  • 1,293 种 纸本馆藏

日期分布

学科分类号

  • 17,222 篇 工学
    • 3,540 篇 材料科学与工程(可...
    • 2,031 篇 化学工程与技术
    • 1,602 篇 生物医学工程(可授...
    • 1,319 篇 机械工程
    • 1,143 篇 电子科学与技术(可...
    • 933 篇 地质资源与地质工...
    • 844 篇 计算机科学与技术...
    • 835 篇 动力工程及工程热...
    • 671 篇 水利工程
    • 668 篇 仪器科学与技术
    • 654 篇 电气工程
    • 609 篇 环境科学与工程(可...
    • 573 篇 光学工程
  • 14,063 篇 医学
    • 11,500 篇 临床医学
    • 1,764 篇 医学技术(可授医学...
    • 1,244 篇 基础医学(可授医学...
    • 1,067 篇 中西医结合
    • 854 篇 公共卫生与预防医...
    • 628 篇 药学(可授医学、理...
  • 8,037 篇 理学
    • 1,611 篇 物理学
    • 1,429 篇 化学
    • 1,079 篇 生物学
    • 1,040 篇 数学
    • 947 篇 地质学
  • 3,592 篇 农学
    • 843 篇 作物学
    • 798 篇 畜牧学
  • 1,815 篇 管理学
    • 742 篇 管理科学与工程(可...
    • 601 篇 公共管理
  • 1,216 篇 经济学
    • 1,053 篇 应用经济学
  • 1,104 篇 教育学
    • 834 篇 教育学
  • 914 篇 文学
  • 734 篇 法学
  • 399 篇 历史学
  • 348 篇 哲学
  • 291 篇 艺术学
  • 70 篇 军事学

主题

  • 271 篇 ct
  • 253 篇 患者
  • 248 篇 mri
  • 207 篇 美国
  • 155 篇 病人
  • 126 篇 of
  • 115 篇 mr
  • 99 篇 analysis
  • 88 篇 治疗
  • 80 篇 北美洲
  • 74 篇 and
  • 69 篇 diabetes
  • 56 篇 simulation
  • 56 篇 方程
  • 55 篇 cancer
  • 55 篇 诊断
  • 53 篇 acid
  • 48 篇 大洋洲
  • 48 篇 金属材料
  • 45 篇 美利坚合众国

机构

  • 119 篇 同济医科大学附属...
  • 118 篇 北京大学
  • 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 department of ph...
  • 66 篇 department of ph...
  • 65 篇 kobayashi-maskaw...

作者

  • 141 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
  • 83 篇 v.i.belousov
  • 77 篇 v.burkert
  • 76 篇 段雪
  • 71 篇 y.hayato
  • 68 篇 a.v.gritsan
  • 60 篇 kavli ipmu
  • 60 篇 l.pape
  • 45 篇 a.gurtu
  • 41 篇 m.carena
  • 40 篇 a.masoni
  • 33 篇 t.gries
  • 33 篇 王铮
  • 29 篇 刘莉
  • 27 篇 l.littenberg

语言

  • 30,475 篇 中文
  • 15,779 篇 英文
  • 1 篇 法文
检索条件"作者=anatoly G.Korepin"
46264 条 记 录,以下是4941-4950 订阅
排序:
Comparison of a Manual and an Automated Tracking Method for Tibetan Plateau Vortices
收藏 引用
Advances in Atmospheric Sciences 2018年 第8期35卷 69-84页
作者: Julia CURIO Yongren CHEN Reinhard SCHIEMANN Andrew g. TURNER Kai Chi WONg Kevin HODgES Yueqing LI NCAS-Climate University of Reading Reading RG6 6BB UK Department of Meteorology University of Reading Reading RG6 6BB UK Institute of Plateau Meteorology China Meteorological Administration Chengdu 610072 China Heavy Rain and Drought-Flood Disasters in Plateau and Basin Key Laboratory of Sichuan Province Chengdu 610072 China
Tibetan Plateau vortices (TPVs) are mesoscale cyclones originating over the Tibetan Plateau (TP) dnring the extended summer season (April-September). Most TPVs stay on the TP, but a small number can move off 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
The impact of synbiotic administration through in ovo technology on the microstructure of a broiler chicken small intestine tissue on the 1^(st) and 42^(nd) day of rearing
收藏 引用
Journal of Animal Science and Biotechnology 2018年 第1期9卷 167-174页
作者: A.Sobolewska J.Bogucka A.Dankowiakowska g.Elminowska-Wenda K.Stadnicka M.Bednarczyk Department of Animal Biochemistry and Biotechnolocjy University of Science and Technology in Bydgoszcz Mazowiecka 28 85-084 Bydgoszcz Poland Department of Normal Anatomy Ludwik Rydygier Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Toruri Karlowicza 24 85-092 Bydgoszcz Poland
Background: Application the innovative method which is in ovo technology provides a means of modulating the immune system at early embryonic stages. The aim of study was to determine influence of the in ovo stimulati... 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
MicroRNAs and immunity in periodontal health and disease
收藏 引用
International Journal of Oral Science 2018年 第3期10卷 133-146页
作者: Xianghong Luan Xiaofeng Zhou Afsar Naqvi Marybeth Francis Deborah Foyle Salvador Nares Thomas g.H.Diekwisch Department of Oral Biology UIC College of DentistryChicagoILUSA Department of Periodontics UIC College of DentistryChicagoILUSA Department of Periodontics Texas A&M College of DentistryChicagoILUSA
MicroRNAs(miRNAs) are critical regulators of the host immune and inflammatory response against bacterial pathogens. In the present review, we discuss target genes, target gene functions, the potential regulatory role ... 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 linear regression model (LRM) for groundwater chemistry in and around the Vaniyambadi industrial area, Tamil Nadu, India
收藏 引用
Chinese Journal Of geochemistry 2013年 第1期32卷 19-26页
作者: Sajil Kumar P.J. Davis Delson P. Vernon J.g. James E.J. Brandenburg Technical University Cottbus-03046 Germany ITALCONSULT Riyadh-11421 Saudi Arabia Budapest University of Technology and Economics (BME) Budapest-Pf. 91 H-152 Hungary Water Institute Karunya UniversityCoimbatore-641114 India
A linear regression model in conjunction with cluster analysis was applied to the groundwater quality parameters for the Vaniyambadi industrial area, Tamil Nadu, India. These physico-chemical parameters were collected... 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
Fluoroquinolone-macrolide combination therapy for chronic bacterial prostatitis: retrospective analysis of pathogen eradication rates, inflammatory findings and sexual dysfunction
收藏 引用
Asian Journal of Andrology 2011年 第6期13卷 819-827页
作者: Vittorio Magri Emanuele Montanari Visnja Skerk Alemka Markotic Emanuela Marras Antonella Restelli Kurt g Naber gianpaolo Perletti Urology and Sonography Secondary Care Clinic Azienda Ospedaliera Istituti Clinici di Perfezionamento Milano 20132 Italy Clinica Urologica III University of Milan/San Paolo Hospital Milano 20142 Italy University Hospital for Infectious Diseases Dr. Fran Mihaljevic Zagreb 10000 Croatia Laboratory of Toxicology and Pharmacology Department of Biomedical Informatic Environmental and Communication Sciences Universita degli Studi dell'Insubria Busto A.Narese 21052 Italy Microbiology Unit Fondazione I RCCS Osp. Maggiore Policlinico Mangiagalli Regina Elena Milano 20122 Italy Technical University Munich 80333 Germany
We previously demonstrated the safety and efficacy of fluoroquinolone-macrolide combination therapy in category Ⅱ chronic bacterial prostatitis (CBP). The aim of this study is to retrospectively compare the microbi... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Fabrication and characterization of electrospun poly-L-lactide/gelatin graded tubular scaffolds: Toward a new design for performance enhancement in vascular tissue engineering
收藏 引用
Progress in Natural Science:Materials International 2015年 第5期25卷 405-413页
作者: A.Yazdanpanah M.Tahmasbi g.Amoabediny J.Nourmohammadi F.Moztarzadeh M.Mozafari Biomaterials group Faculty of Biomedical Engineering (Center of Excellence) Amirkabir University of Technology School of Mechanical Engineering Sharif University of Technology Faculty of Chemical Engineering College of Engineering University of Tehran Biomaterials group Faculty of New Sciences and Technologies University of Tehran Bioengineering Research group Nanotechnology and Advanced Materials Department Materials and Energy Research Center (MERC)
In this study, a new design of graded tubular scaffolds have been developed for the performance enhancement in vascular tissue *** graded poly-L-lactide(PLLA) and gelatin fibrous scaffolds produced by electrospining w... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
Influence of Collective Boulder Array on the Surrounding Time-averaged and Turbulent Flow Fields
收藏 引用
Journal of Mountain Science 2014年 第6期11卷 1420-1428页
作者: Achilleas g.TSAKIRIS A.N.Thanos PAPANICOLAOU Seyed M.HAJIMIRZAIE James H.J.BUCHHOLZ IIHR-Hydroscience &Engineering The University of Iowa Iowa City IA 52246-1585 USA Department of Civil and Environmental Engineering The University of Tennessee at Knoxville 412 John D. Tickle Building Knoxville TN37996 USA South Florida WaterManagementDistrict WestPalm Beach FL 33416 USA
Arrays of large immobile boulders,which are often encountered in steep mountain streams,affect the timing and magnitude of sediment transport events through their interactions with the approach *** their importance in... 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
Milk Yield of Holstein Cows Induced into Lactation Twice Consecutively and Lactation Curve Models Fitted to Artificial Lactations
收藏 引用
Journal of Integrative Agriculture 2014年 第6期13卷 1349-1354页
作者: Jesus Mellado Edgar Sepulveda Jose E garcia Alvaro Rodriguez Maria A De Santiago Francisco g Veliz Miguel Mellado Department of Animal Nutrition Autonomous Agrarian University Antonio Narro Department of Veterinary Science Autonomous Agrarian University Antonio Narro
Nineteen multiparous barren Holstein cows were subjected to an induction of lactation protocol for 21 d administering estradiol cypionate (2 mg kg-1 of body weight (BW) d-1, on day 1 to 14), progesterone (0.10 mg... 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 Pseudo-Spectral Scheme for Systems of Two-Point Boundary Value Problems with Left and Right Sided Fractional Derivatives and Related Integral Equations
收藏 引用
Computer Modeling in Engineering & Sciences 2021年 第7期128卷 21-41页
作者: I.g.Ameen N.A.Elkot M.A.Zaky A.S.Hendy E.H.Doha Department of Mathematics Faculty of ScienceAl-Azhar UniversityCairoEgypt Department of Mathematics Faculty of ScienceCairo UniversityGiza12613Egypt Department of Applied Mathematics Physics DivisionNational Research CentreDokkiCairo12622Egypt Department of Computational Mathematics and Computer Science Institute of Natural Sciences and MathematicsUral Federal UniversityYekaterinburg620002Russia Department of Mathematics Faculty of ScienceBenha UniversityBenha13511Egypt
We target here to solve numerically a class of nonlinear fractional two-point boundary value problems involving left-and right-sided fractional *** main ingredient of the proposed method is to recast the problem into ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Type II Fuzzy Logic Based Cluster Head Selection for Wireless Sensor Network
收藏 引用
Computers, Materials & Continua 2022年 第1期70卷 801-816页
作者: J.Jean Justus M.Thirunavukkarasan K.Dhayalini g.Visalaxi Adel Khelifi Mohamed Elhoseny Department of Computer Science&Engineering St.Joseph’s College of EngineeringChennai600119India School of Computing Science and Engineering Galgotias UniversityUttar Pradesh203201India Department of Electrical and Electronics Engineering K.Ramakrishnan College of EngineeringTiruchirappalli621112India Department of Computer Science&Engineering Bharath Institute of Higher Education and ResearchChennai600073India Department of Computer Science and Information Technology Abu Dhabi UniversityAbu Dhabi59911United Arab Emirates College of Computer Information Technology American University in the EmiratesDubaiUnited Arab Emirates Faculty of Computers and Information Mansoura UniversityEgypt
Wireless Sensor Network(WSN)forms an essential part of *** is embedded in the target environment to observe the physical parameters based on the type of *** nodes inWSN are constrained by different features such as me... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论