咨询与建议

限定检索结果

文献类型

  • 9,147 篇 期刊文献
  • 528 篇 会议
  • 45 册 图书
  • 11 篇 学位论文

馆藏范围

  • 9,722 篇 电子文献
  • 11 种 纸本馆藏

日期分布

学科分类号

  • 3,780 篇 医学
    • 2,823 篇 临床医学
    • 366 篇 医学技术(可授医学...
    • 336 篇 中西医结合
    • 298 篇 基础医学(可授医学...
    • 270 篇 药学(可授医学、理...
    • 213 篇 公共卫生与预防医...
    • 179 篇 中药学(可授医学、...
  • 3,736 篇 工学
    • 893 篇 材料科学与工程(可...
    • 752 篇 化学工程与技术
    • 327 篇 生物医学工程(可授...
    • 242 篇 电子科学与技术(可...
    • 226 篇 机械工程
    • 225 篇 核科学与技术
    • 170 篇 环境科学与工程(可...
    • 150 篇 仪器科学与技术
    • 147 篇 计算机科学与技术...
    • 139 篇 地质资源与地质工...
    • 131 篇 动力工程及工程热...
    • 130 篇 光学工程
    • 123 篇 水利工程
  • 2,397 篇 理学
    • 575 篇 化学
    • 501 篇 物理学
    • 379 篇 生物学
    • 225 篇 地质学
    • 197 篇 数学
    • 190 篇 生态学
    • 142 篇 大气科学
  • 950 篇 农学
    • 256 篇 作物学
    • 224 篇 农业资源与环境
    • 139 篇 畜牧学
  • 230 篇 管理学
  • 145 篇 教育学
  • 113 篇 经济学
  • 55 篇 文学
  • 54 篇 法学
  • 28 篇 历史学
  • 21 篇 艺术学
  • 18 篇 哲学
  • 4 篇 军事学

主题

  • 47 篇 microstructure
  • 38 篇 mri
  • 33 篇 cancer
  • 31 篇 covid-19
  • 29 篇 病人
  • 29 篇 磁共振成像
  • 25 篇 mechanical prope...
  • 23 篇 corrosion
  • 22 篇 phylogeny
  • 21 篇 rare earths
  • 21 篇 properties
  • 20 篇 acid
  • 20 篇 数据大百科
  • 20 篇 危险因素
  • 19 篇 患者
  • 18 篇 analysis
  • 18 篇 地下水
  • 18 篇 antioxidant
  • 16 篇 气候变化
  • 15 篇 method

机构

  • 106 篇 中国科学院大学
  • 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...
  • 67 篇 NOT FOUND
  • 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...
  • 67 篇 nstitucio catala...
  • 67 篇 cern european or...
  • 66 篇 national researc...
  • 66 篇 max-planck-insti...
  • 66 篇 department of ph...
  • 66 篇 school of physic...

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
  • 83 篇 p.de jong
  • 82 篇 o.dahl
  • 80 篇 b.foster
  • 79 篇 g.rybka
  • 79 篇 a.ringwald
  • 78 篇 v.i.belousov
  • 76 篇 j.beringer
  • 76 篇 m.grnewald
  • 76 篇 s.raby
  • 74 篇 s.blusk

语言

  • 5,727 篇 中文
  • 4,004 篇 英文
检索条件"作者=rAO Y N"
9731 条 记 录,以下是21-30 订阅
排序:
Global Information Resources on Rice for Research and Development
收藏 引用
Rice science 2012年 第4期19卷 327-334页
作者: Shri RAM n.LAXMAn rao Jaypee University of Information Technology Solan-173 234India Osmania University Hyderabad-50007India
Various issues concerning the progress of rice research are related to ambiguous germplasm identification, difficulty in tracing pedigree information, and lack of integration between genetic resources, characterizatio... 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
Monitoring of ground subsidence movements over territory of mines being flooded in Budyonnovsky and Proletarsky districts in Donetsk city with help of GPS-technology
收藏 引用
中国有色金属学会会刊:英文版 2005年 第S1期15卷 266-268页
作者: A.V. Antsiferov y.n. Gavrilenko n.n. Kiselyov UkrnIMI nAS Ukraine Donetsk 83121 UkraineDonetsk National Technical University Donetsk 83000 UkraineUkrNIMI NAS Ukraine Donetsk 83121 Ukraine
This paper considers the processes of activation in ground subsidence movements in flooding mine workings of mines being liquidated in two districts in Donetsk city on the area of more than 60km^2. A concept is give... 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
Improvement of Microstructure and Mechanical Behavior of Gas Tungsten Arc Weldments of Alloy C-276 by Current Pulsing
收藏 引用
Acta Metallurgica Sinica(English Letters) 2015年 第2期28卷 208-215页
作者: M.Manikandan n.Arivazhagan M.nageswara rao G.Madhusudhan Reddy School of Mechanical and Building Sciences VIT University Defence Metallurgical and Research Laboratory
Superalloy C-276 is known to be prone to hot cracking during fusion welding by Gas Tungsten Arc method. Microsegregation occurring during cooling of fusion zone with consequent appearance of topologically close-packed... 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
Lung Cancer Segmentation with Three-Parameter Logistic Type Distribution Model
收藏 引用
Computers, Materials & Continua 2023年 第4期75卷 1447-1465页
作者: Debnath Bhattacharyya EaliStephen neal Joshua n.Thirupathi rao yung-cheol Byun Department of Computer Science and Engineering Koneru Lakshmaiah Education FoundationVaddeswaramGuntur522302Andhra PradeshIndia Department of Computer Science&Engineering Vignan’s Institute of Information Technology(A)Visakhapatnam530049Andhra PradeshIndia Department of Computer Engineering Jeju National University102 Jejudaehak-roJeju-siJeju-do690-756Korea
Lung cancer is the leading cause of mortality in the world affectingboth men and women *** a radiologist just focuses on the patient’sbody, it increases the amount of strain on the radiologist and the likelihoodof mi... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Detection of Chlorophenolic Compounds in Bleaching Effluents of Chemical Pulps
收藏 引用
中国造纸 2008年 第5期27卷 35-40页
作者: Chhaya Sharma S. Mohanty S. Kumar n.J. rao Department of Paper Technology IIT-Roorkee India Gas Authority of India Ltd. Calcutta India JP Institute Gunna India
Laboratory bleaching effluents from the chlorination and caustic extraction stages of mixed wood kraft pulp processing have been analysed both qualitatively and quantitatively for various chlorophenolics by using GC.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
Instrumental neutron activation analysis of beachrock samples of South East Coast of Tamilnadu,India
收藏 引用
nuclear Science and Techniques 2007年 第4期18卷 204-211页
作者: R.RAVISAnKAR P.ESWARAn n.P.SESHADERSSAn Bramaji rao Department of Physics Sri Siva Subramania Nadar College of EngineeringKalvakkam Chennai-603110Tamilnadu India Department of Physics SMK Fomra Institute of TechnologyThaiyurChennai-603 103Tamilnadu nuclear Chemistry Section Chemistry GroupsIndira Gandhi Centre for Atomic Research (IGCAR)Kalpakkam-603 102TamilnaduIndia
Element profiles of some beach rock samples collected from South East Coast of Tamilnadu, India have been determined using single comparator method of InAA. The geo-chemical behavior of the elements in the region is d... 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
nanomaterials for environmental burden reduction,waste treatment,and nonpoint source pollution control:a review
收藏 引用
Frontiers of Environmental Science & Engineering 2009年 第3期3卷 249-264页
作者: Guobin SHAn rao y.SURAMPALLI Rajeshwar D.TyAGI Tian C.ZHAnG InRS-ETE University of QuebecQuebecG1K 9A9Canada U.S.Environmental Protection Agency Kansas CityKS 66117USA Civil Engineering University of Nebraska-LincolnOmahaNB 68182USA
nanomaterials are applicable in the areas of reduction of environmental burden,reduction/treatment of industrial and agricultural wastes,and nonpoint source(nPS)pollution ***,environmental burden reduction involves gr... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
In vitro Study on Biodegradable AZ31 Magnesium Alloy Fibers Reinforced PLGA Composite
收藏 引用
Journal of Materials Science & Technology 2013年 第6期29卷 545-550页
作者: y.H.Wu n.Li y.Cheng y.F.Zheng y.Han Center for Biomedical Materials and Tissue Engineering Academy for Advanced Interdisciplinary StudiesPeking University Department of Materials Science and Engineering College of EngineeringPeking University State Key Laboratory for Mechanical Behavior of Materials Xi'an Jiaotong University
AZ31 magnesium alloy fibers reinforced poly(lactic-co-glycolic acid) (PLGA) composites were prepared and their mechanical property, immersion corrosion behavior and biocompatibility were studied. The tensile test ... 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
Cracking evolution behaviors of lightweight materials based on in situ synchrotron X-ray tomography: A review
收藏 引用
Frontiers of Mechanical Engineering 2018年 第4期13卷 461-481页
作者: y. Luo S. C. Wu y. n. Hu y. n. Fu State Key Laboratory of Traction Power Southwest Jiaotong University Chengdu 610031 China Shanghai Synchrotron Radiation Facility Shanghai 201204 China
Damage accumulation and failure behaviors are crucial concerns during the design and service of a critical component, leading researchers and engineers to thoroughly identifying the crack evolution. Third-generation s... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Analysis of vibrational spectra of nano-bio molecules: Application to metalloporphrins
收藏 引用
Chinese Physics B 2013年 第9期22卷 225-232页
作者: K Srinivasa rao G Srinivas J.Vijayasekhar V.U.M.rao y.Srinivas K.Sunil Babu V.Sunndadara Siva Kumar A.Hanumaiah Department of Electronics & Instrumentation Engineering Lakireddy Bali Reddy College of Engineering Department of Physics KL University Research Scholar Department of MathematicsJawaharlal Nehru Technological University Department of Applied Mathematics College of Science & TechnologyAndhra University Department of Computer Science GITAM University Department of Physics Miracle Engineering College Department of Electronics & Instrumentation Rajeev Gandhi Memorial Engineering College Department of Physics Lara's Vignan Institute of Technology and Science
In this paper, we have applied the Lie algebraic model to nano-bio molecules to determine the vibrational spectra of different stretching and bending vibrational modes. The determined vibrational energy levels by 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