咨询与建议

限定检索结果

文献类型

  • 17,863 篇 期刊文献
  • 435 篇 会议
  • 214 册 图书
  • 12 篇 学位论文

馆藏范围

  • 18,477 篇 电子文献
  • 59 种 纸本馆藏

日期分布

学科分类号

  • 7,779 篇 医学
    • 6,612 篇 临床医学
    • 822 篇 医学技术(可授医学...
    • 556 篇 基础医学(可授医学...
    • 508 篇 中西医结合
    • 415 篇 公共卫生与预防医...
    • 297 篇 药学(可授医学、理...
  • 6,362 篇 工学
    • 1,531 篇 材料科学与工程(可...
    • 1,012 篇 化学工程与技术
    • 768 篇 生物医学工程(可授...
    • 544 篇 电子科学与技术(可...
    • 365 篇 核科学与技术
    • 329 篇 机械工程
    • 283 篇 光学工程
    • 281 篇 计算机科学与技术...
    • 276 篇 仪器科学与技术
    • 258 篇 环境科学与工程(可...
    • 256 篇 动力工程及工程热...
    • 248 篇 地质资源与地质工...
    • 225 篇 力学(可授工学、理...
    • 216 篇 电气工程
  • 4,320 篇 理学
    • 918 篇 化学
    • 892 篇 物理学
    • 626 篇 数学
    • 563 篇 生物学
    • 384 篇 地质学
    • 239 篇 生态学
    • 236 篇 地球物理学
  • 1,715 篇 农学
    • 439 篇 作物学
    • 381 篇 农业资源与环境
    • 347 篇 畜牧学
  • 400 篇 管理学
  • 227 篇 经济学
  • 200 篇 教育学
  • 109 篇 文学
  • 72 篇 法学
  • 46 篇 历史学
  • 30 篇 艺术学
  • 20 篇 哲学
  • 8 篇 军事学

主题

  • 126 篇 患者
  • 120 篇 ct
  • 114 篇 mri
  • 99 篇 cancer
  • 72 篇 analysis
  • 66 篇 rare earths
  • 65 篇 diabetes
  • 62 篇 corrosion
  • 56 篇 covid-19
  • 55 篇 temperature
  • 54 篇 acid
  • 51 篇 and
  • 44 篇 structure
  • 44 篇 队列研究
  • 41 篇 method
  • 40 篇 病人
  • 40 篇 of
  • 39 篇 mr
  • 38 篇 survival
  • 36 篇 plasma

机构

  • 67 篇 institute for pa...
  • 67 篇 california insti...
  • 67 篇 department of ph...
  • 67 篇 department of ph...
  • 67 篇 department of ph...
  • 67 篇 desy d-15735 zeu...
  • 67 篇 georg-august-uni...
  • 67 篇 bartol research ...
  • 67 篇 kavli institute ...
  • 67 篇 department of ph...
  • 67 篇 kek high energy ...
  • 67 篇 niels bohr insti...
  • 67 篇 dept.of physics ...
  • 67 篇 nikhef p.o.box 4...
  • 67 篇 ific-instituto d...
  • 67 篇 prisma cluster o...
  • 67 篇 max-planck-insti...
  • 67 篇 department of ph...
  • 66 篇 lpthe upmc unive...
  • 66 篇 sissa/infn via b...

作者

  • 84 篇 f.krauss
  • 84 篇 g.weiglein
  • 84 篇 h.murayama
  • 84 篇 j.parsons
  • 84 篇 j.d.jackson
  • 84 篇 g.d'ambrosio
  • 84 篇 r.s.chivukula
  • 84 篇 y.kwon
  • 84 篇 m.white
  • 84 篇 m.drees
  • 79 篇 p.de jong
  • 78 篇 o.dahl
  • 77 篇 b.foster
  • 76 篇 g.rybka
  • 75 篇 a.ringwald
  • 74 篇 s.blusk
  • 71 篇 v.i.belousov
  • 70 篇 j.beringer
  • 66 篇 k.monig
  • 66 篇 m.grnewald

语言

  • 10,150 篇 英文
  • 8,373 篇 中文
检索条件"作者=M Gn.n.swara reddy"
18524 条 记 录,以下是51-60 订阅
排序:
Characterizing downwind drift deposition of aerially applied glyphosate using RbCl as tracer
收藏 引用
International Journal of Agricultural and Biological Engineering 2017年 第3期10卷 31-36页
作者: Yanbo Huang Claudiane m.Ouellet-Plamondon Steven J.Thomson Krishna n.reddy United States Department of Agriculture Agricultural Research ServiceCrop Production Systems Research Unit141 Experiment Station RoadStonevilleMS 38776USA Department of Construction Engineering Superior Technology School1100 Notre-Dame Street WestMontrealQuebec H3C 1K3Canada United States Department of Agriculture National Institute of Food and AgriculturalDivision of Agricultural SystemsWaterfront Center80009th StreetSWWashingtonDC 20024USA
Rubidium chloride(RbCl)was used as a tracer tank-mixed with active ingredients to profile downwind deposition of aerially applied crop protection and production materials to characterize off-target drift,which helps i... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Unlocking the potential of weberite-type metal fluorides in electrochemical energy storage
收藏 引用
npj Computational materials 2019年 第1期5卷 883-892页
作者: Holger Euchner Oliver Clemens m.Anji reddy Helmholtz Institute Ulm(HIU)Electrochemical Energy Storage Helmholtz str.1189081 UlmGermany materials Design by Synthesis Technical University DarmstadtAlarich-Weiss-Str.264287 DarmstadtGermany Karlsruhe Institute of Technology Institute of NanotechnologyHermann-von-Helmholtz-Platz 176344 Eggenstein-LeopoldshafenGermany
Sodium-ion batteries(nIBs)are a front-runner among the alternative battery technologies suggested for substituting the state-ofthe-art lithium-ion batteries(LIBs).The specific energy of na-ion batteries is significant... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Artificial neural network model of non-Darcy mHD Sutterby hybrid nanofluid flow over a curved permeable surface:Solar energy applications
收藏 引用
Propulsion and Power Research 2023年 第3期12卷 410-427页
作者: Shaik Jakeer maduru Lakshmi Rupa Seethi reddy Reddisekhar reddy A.m.Rashad Centre for Computational modeling Chennai Institute of TechnologyChennai 600069India Department of mathematics S.A.S.Vellore Institute of TechnologyVellore 632014India Department of mathematics Koneru Lakshmaiah Education FoundationBowrampetHyderabad 500043TelanganaIndia Department of mathematics Aswan UniversityFaculty of ScienceAswan 81528Egypt
The conversion of solar radiation to thermal energy has recently much interest as the requirement for renewable heat and power *** to their enhanced ability to promote heat transmission,nanofluids can significantly im... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
A comprehensive framework for the delimitation of species within the Bemisia tabaci cryptic complex,a global pest-species group
收藏 引用
Insect Science 2025年 第1期32卷 321-342页
作者: Hua-Ling Wang Teng Lei Xiao-Wei Wang Stephen Cameron Jesús navas-Castillo Yin-Quan Liu m.n.maruthi Christopher A.Omongo Hélène Delatte Kyeong-Yeoll Lee Renate Krause-Sakate James ng Susan Seal Elvira Fiallo-Olivé Kathryn Bushley John Colvin Shu-Sheng Liu College of Forestry Hebei Agricultural UniversityBaodingHebei ProvinceChina The ministry of Agriculture Key Laboratory of molec ular Biology of Crop Pathogens and Insects Institute of Insect SciencesZhejiang UniversityHangzhouChina natural Resources Institute University of GreenwichKentUK College of Life Sciences Taizhou UniversityTaizhouZhejiang ProvinceChina Department of Entomology Purdue UniversityWest LafayetteINUSA Instituto de Hortofruticultura Subtropical y mediterranea"La mayora"(IHSmUmA-CsiC) Consejo Superior de Investigaciones CientificasMalagaSpain national Crops Resources Research Institute KampalaUganda CIRAD UMR PVBMT CIRADPole de Protection des PlantesSaint-PierreFrance School of Applied Biosciences Kyungpook National UniversityDaeguRepublic of Korea unESP Faculdade de Ciencias AgronomicasBotucatuBrazil Department of microbiology and Plant Pathology University of CaliforniaRiversideCA uSDA Agricultural Research Service 17123Emerging Pests and Pathogens Research UnitIthacaNYUSA
Identifying cryptic species poses a substantial challenge to both biologists and naturalists due to morphological *** tabaci is a cryptic species complex containing more than 44 putative species;several of which are c... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
non-classical continuum theories for solid and fluent continua and some applications
收藏 引用
International Journal of Smart and nano materials 2019年 第1期10卷 28-89,I0003页
作者: K.S.Surana D.mysore J.n.reddy mechanical Engineering University of KansasLawrenceKSUSA mechanical Engineering Texas A&M UniversityCollege StationTXUSA
This paper presents two specific thermodynamically consistent nonclassical continuum theories for solid and fluent *** first non-classical continuum theory for solid continua incorporates Jacobian of deformation in it... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Experimental Study of Forced Convective Heat Transfer in a Copper Tube Using Three Types of nanofluids
收藏 引用
Fluid Dynamics & materials Processing 2025年 第2期21卷 351-370页
作者: Zahraa n.Hussain Jamal m.Ali Hasan S.majdi Abbas J.Sultan H.Al-naseri Department of Chemical Engineering University of Technology-IraqBaghdad10066Iraq Department of Chemical Engineering and Petroleum Industries Al-Mustaqbal UniversityBabylon51001Iraq Chemical Engineering Department College of EngineeringTikrit UniversityTikrit34001Iraq
The use of nanofluids as heat transfer media represents an innovative strategy to enhance heat transfer *** study investigates experimentally the turbulent convective heat transfer characteristics of waterbased nanofl... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Pragmatic multi-stage simulated annealing for optimal placement of synchrophasor measurement units in smart power grids
收藏 引用
Frontiers in Energy 2015年 第2期9卷 148-161页
作者: Pathirikkat GOPAKUmAR m. JAYA BHARATA reddy Dusmata Kumar mOHAnTA Department of Electrical and Electronics Engineering National Instituteof Technology Tiruchirappalli 620015 India Department of Electrical and Electronics Engineering MVGR Collegeof Engineering Vizianagaram Andhra Pradesh 535005 India
Conventional power grids across the globe are reforming to smart power grids with cutting edge technologies in real time monitoring and control methods. Advanced real time monitoring is facilitated by incorpor- ating ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Characterization and Effect of Using mahua Oil Biodiesel as Fuel in Compression Ignition Engine
收藏 引用
Journal of Thermal Science 2009年 第4期18卷 382-384页
作者: n.Kapilan T.P.Ashok Babu R.P.reddy Department of mechanical Engineering NITKSurathkal
There is an increasing interest in India, to search for suitable alternative fuels that are environment friendly. Thisled to the choice of mahua Oil (mO) as one of the main alternative fuels to diesel. In this investi... 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
Four-wave mixing in a laser diode gain medium induced by the feedback from a high-Q microring resonator
收藏 引用
Photonics Research 2025年 第1期13卷 59-68页
作者: DARIA m.SOKOL nIKITA YU DmITRIEV DmITRY A.CHERmOSHEnTSEV SERGEY n.KOPTYAEV AnATOLY V.mASALOV VALERY E.LOBAnOV IGOR A.BILEnKO ARTEm E.SHITIKOV Russian Quantum Center moscow Institute of Physics and Technology (mIPT) Skolkovo Institute of Science and Technology Lebedev Physical Institute Russian Academy of Sciences Faculty of Physics M.V.Lomonosov Moscow State University
Laser diodes are widely used and play a crucial role in myriad modern applications including nonlinear optics and ***,we explore the four-wave mixing effect in a laser diode gain medium induced by the feedback from th... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
Finite element analysis on transient magnetohydrodynamic(mHD)free convective chemically reacting micropolar fluid flow past a vertical porous plate with Hall current and viscous dissipation
收藏 引用
Propulsion and Power Research 2018年 第4期7卷 353-365页
作者: Siva reddy Sheri m.D.Shamshuddin Department of mathematics.G1TAm University Hyderabad CampusTelangana 502329India Department of mathematics.Vaagdevi College of Engineering WarangalTelangana 506005India
This article deals with boundary layer analysis of magnetohydrodynamics on an unsteady chemically reactive micropolar rotating fluid flow past a semi-infinite vertical plate with been developed under Boussinesq *** go... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论