咨询与建议

限定检索结果

文献类型

  • 9,646 篇 期刊文献
  • 573 篇 会议
  • 198 册 图书
  • 7 篇 学位论文

馆藏范围

  • 10,347 篇 电子文献
  • 80 种 纸本馆藏

日期分布

学科分类号

  • 4,301 篇 工学
    • 1,224 篇 材料科学与工程(可...
    • 659 篇 化学工程与技术
    • 478 篇 电子科学与技术(可...
    • 315 篇 生物医学工程(可授...
    • 256 篇 机械工程
    • 251 篇 计算机科学与技术...
    • 245 篇 光学工程
    • 226 篇 仪器科学与技术
    • 180 篇 核科学与技术
    • 178 篇 电气工程
    • 164 篇 动力工程及工程热...
    • 160 篇 地质资源与地质工...
  • 3,467 篇 医学
    • 2,868 篇 临床医学
    • 335 篇 医学技术(可授医学...
    • 282 篇 中西医结合
    • 266 篇 基础医学(可授医学...
    • 198 篇 药学(可授医学、理...
    • 152 篇 公共卫生与预防医...
  • 2,753 篇 理学
    • 715 篇 物理学
    • 568 篇 化学
    • 376 篇 数学
    • 295 篇 生物学
    • 231 篇 地质学
    • 159 篇 地球物理学
    • 122 篇 天文学
  • 744 篇 农学
    • 174 篇 作物学
    • 154 篇 农业资源与环境
    • 134 篇 畜牧学
  • 251 篇 管理学
    • 138 篇 管理科学与工程(可...
  • 177 篇 经济学
    • 156 篇 应用经济学
  • 117 篇 教育学
  • 113 篇 文学
  • 89 篇 法学
  • 44 篇 历史学
  • 27 篇 艺术学
  • 25 篇 哲学
  • 12 篇 军事学

主题

  • 51 篇 analysis
  • 50 篇 患者
  • 39 篇 properties
  • 37 篇 model
  • 36 篇 印度
  • 35 篇 magnetic
  • 33 篇 deep learning
  • 33 篇 optimization
  • 32 篇 acid
  • 32 篇 and
  • 31 篇 of
  • 29 篇 high
  • 28 篇 corrosion
  • 28 篇 apoptosis
  • 27 篇 crystal
  • 25 篇 performance
  • 25 篇 plasma
  • 24 篇 simulation
  • 24 篇 mechanical prope...
  • 24 篇 therapy

机构

  • 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...
  • 67 篇 department of ph...
  • 67 篇 school of physic...
  • 67 篇 ludwig-maximilia...
  • 67 篇 cea/saclay dsm/i...
  • 67 篇 department of ph...
  • 67 篇 kobayashi-maskaw...
  • 66 篇 national researc...
  • 66 篇 high energy phys...
  • 66 篇 department of ph...

作者

  • 89 篇 v.i.belousov
  • 85 篇 h.murayama
  • 85 篇 j.d.jackson
  • 85 篇 g.d'ambrosio
  • 85 篇 m.white
  • 85 篇 p.de jong
  • 85 篇 v.burkert
  • 84 篇 y.hayato
  • 83 篇 a.v.gritsan
  • 83 篇 a.gurtu
  • 82 篇 m.carena
  • 82 篇 a.masoni
  • 76 篇 s.rolli
  • 75 篇 a.d.martin
  • 75 篇 s.r.klein
  • 74 篇 b.heltsley
  • 73 篇 d.h.weinberg
  • 72 篇 u.f.katz
  • 71 篇 m.titov
  • 71 篇 j.matthews

语言

  • 6,207 篇 英文
  • 4,217 篇 中文
检索条件"作者=S.V.K.Varma"
10424 条 记 录,以下是21-30 订阅
排序:
Bio-Inspired Intelligent Routing in WsN: Integrating Mayfly Optimization and Enhanced Ant Colony Optimization for Energy-Efficient Cluster Formation and Maintenance
收藏 引用
Computer Modeling in Engineering & sciences 2024年 第10期141卷 127-150页
作者: v.G.saranya s.karthik Department of Electronics and Communication Engineering Faculty of Engineering&TechnologySRM Institute of Science and TechnologyVadapalani CampusChennai600026India
Wireless sensor Networks(WsNs)are a collection of sensor nodes distributed in space and connected through wireless *** sensor nodes gather and store data about the real world around ***,the nodes that are dependent on... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Effects of the level and source of dietary physically effective fiber on feed intake, nutrient utilization, heat energy, ruminal fermentation,and milk production by Alpine goats
收藏 引用
Animal Nutrition 2024年 第2期17卷 312-324页
作者: Raquel v.Lourencon Amlan k.Patra Luana P.s.Ribeiro Ryszard Puchala Wei Wang Terry A.Gipson Arthur L.Goetsch American Institute for Goat Research Langston University
Thirty-two primiparous and 31 multiparous Alpine goats were used to determine influences of diets varying in level and source of forage on performance in early to mid-lactation for 16 wk. Diets consisted of 40%, 50%, ... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
Utility of fluid inclusion paleo-temperature in petroleum system modelling:A case study from western offshore,India
收藏 引用
Energy Geoscience 2024年 第2期5卷 101-119页
作者: v.Nandakumar s.shivapriya silpa Thankan National Facility for Geofluids Research and Raman Analysis National Centre for Earth Science StudiesMinistry of Earth SciencesGovernment of IndiaThiruvananthapuram695011KeralaIndia Department of Geology Kerala UniversityThiruvananthapuram695581KeralaIndia
The paleo-temperature(Th)data from fluid inclusions are utilized for thermal history modelling using PetroMod ***,bottom hole temperature(BHT)and vitrinite reflectance(Ro)measurements are widely used in petroleum syst... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Thermo-and pH-sensitive Polymer with Pendant spacer-linked Imidazole Cycles
收藏 引用
Chinese Journal of Polymer science 2024年 第4期42卷 437-445页
作者: Natalya v.Zakharova stanislav N.Zelinskiy Mariya s.strelova Elena N.Danilovtseva vadim v.Annenkov Institute of Macromolecular Compounds of the Russian Academy of sciences Saint Petersburg199004Russia Limnological Institute of siberian Branch of the Russian Academy of sciences Irkutsk664033Russia
By the reaction of poly(acryloyl chloride) with N-(3-aminopropyl)imidazole, poly(N-(3-(1H-imidazol-1-yl)propyl)acrylamide) was synthesized. The new polymer contains an imidazole ring removed from the main chain by a s... 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
Ion heat transport in electron cyclotron resonance heated L-mode plasma on the T-10 tokamak
收藏 引用
Plasma science and Technology 2024年 第4期26卷 52-60页
作者: v.A.kRUPIN M.R.NURGALIEv A.R.NEMETs I.A.ZEMTsOv s.D.sUNTsOv T.B.MYALTON D.s.sERGEEv N.A.sOLOvEv D.v.sARYCHEv D.v.RYJAkOv s.N.TUGARINOv N.N.NAUMENkO National Research Centre“kurchatov Institute” Moscow 123182Russia Bauman Moscow state Technical University Moscow 105005Russia Institution“Project Center ITER” Moscow 123098Russia JsC“sOLAR” Minsk 220034Belarus
Anomalous ion heat transport is analyzed in the T-10 tokamak plasma heated with electron cyclotron resonance heating(ECRH) in second-harmonic extra-ordinary mode. Predictive modeling with empirical scaling for Ohmical... 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
Classification of Rings Associated with the Genus of Clean Graphs
收藏 引用
Algebra Colloquium 2024年 第3期31卷 451-466页
作者: v.Ramanathan C.selvaraj Aaqib Altaf s.Pirzada Department of Mathematics Periyar UniversitySalem 636011Tamil NaduIndi Department of Mathematics University of KashmirHazratbalSrinagarKashmirIndia
Let R be a ring(not necessarily commutative)with identity 1 and let CL(R)be its clean *** this paper,we investigate the genus number of the compact Riemann surface in which CL(R)can be embedded and explicitly determin... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Nanomotion of bacteria to determine metabolic profile
收藏 引用
Nanotechnology and Precision Engineering 2024年 第1期7卷 1-9页
作者: s.N.Pleskova E.v.Lazarenko N.A.Bezrukov R.N.kriukov A.v.Boryakov M.E.Dokukin s.I.surodin Research Laboratory of scanning Probe Microscopy Lobachevsky State University of Nizhny NovgorodNizhny Novgorod 603950Russia Department of Nanotechnology and Biotechnology Nizhny Novgorod State Technical University n.a.R.E.AlekseevNizhny Novgorod 603950Russia sarov Physics and Technology Institute National Research Nuclear University MEPhISarov 607186Russia
In addition to their visible motion such as swimming(e.g.,with the help offlagella),bacteria can also exhibit nanomotion that is detectable only with highly sensitive instruments,and this study shows that it is possibl... 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
Elucidating elusive quaternary selenide EuCeCuse3:synthesis,crystal structure,properties and theoretical studies
收藏 引用
Journal of Rare Earths 2024年 第1期42卷 163-171,I0006页
作者: Maxim v.Grigoriev Anna v.Ruseikina Maxim s.Molokeev vladimir A.Chernyshev Aleksandr s.Aleksandrovsky Alexander s.krylov svetlana N.krylova Nikolai P.shestakov Dmitriy A.velikanov Alexander A.Garmonov Alexey v.Matigorov Evgeny A.Ostapchuk Thomas schleid Damir A.safin Laboratory of Theory and Optimization of Chemical and Technological Processes University of TyumenVolodarskogo Str.6625003TyumenRussian Federation kirensky Institute of Physics Federal Research Center KSC SB RASAkademgorodok 50 Bld.38660036KrasnoyarskRussian Federation Department of Physics Far Eastern State Transport UniversitySerysheva Str.47680021KrasnoyarskRussian Federation Institute of Natural sciences and Mathematics Ural Federal University Named After the First President of Russia B.N.YeltsinMira Str.19620002EkaterinburgRussian Federation Department of Photonics and Laser Technology Siberian Federal UniversitySvobodnii Ave.79660079KrasnoyarskRussian Federation Institute of Physics and Technology University of TyumenVolodarskogo Str.6625003 TyumenRussian Federation Institute for Inorganic Chemistry University of StuttgartPfaffenwaldring 55D-70569StuttgartGermany scientific and Educational and Innovation Center for Chemical and Pharmaceutical Technologies Ural Federal University named after the First President of Russia B.N.YeltsinMira Str.19620002 EkaterinburgRussian Federation University of Tyumen Volodarskogo Str.6625003TyumenRussian Federation
We report on the novel heterometallic quaternary selenide EuCeCuse3,the fabrication of which has been a challenge until this *** structure of the reported selenide was elucidated from the powder X-ray diffraction data... 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 new perspective on intervertebral disc calcification—from bench to bedside
收藏 引用
Bone Research 2024年 第1期12卷 50-61页
作者: Emanuel J.Novais Rajkishen Narayanan Jose A.Canseco koen van de Wetering Christopher k.kepler Alan s.Hilibrand Alexander R.vaccaro Makarand v.Risbud Department of Orthopaedic surgery Sidney Kimmel Medical CollegeThomas Jefferson UniversityPhiladelphiaPAUSA Unidade Local de saúde do Litoral Alentejano Orthopedic DepartmentSantiago do CacémPortugal Rothman Orthopedic Institute at Thomas Jefferson University PhiladelphiaPAUSA
Disc degeneration primarily contributes to chronic low back and neck ***,there is an urgent need to understand the spectrum of disc degeneration phenotypes such as fibrosis,ectopic calcification,herniation,or mixed **... 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
Myelin histology:a key tool in nervous system research
收藏 引用
Neural Regeneration Research 2024年 第2期19卷 277-281页
作者: Óscar Darío García-García víctor Carriel Jesús Chato-Astrain Department of Histology Tissue Engineering GroupUniversity of Granada&Instituto de Investigación Biosanitaria ibs.GRANADAGranadaSpain
The myelin sheath is a lipoprotein-rich,multilayered structure capable of increasing conduction velocity in central and peripheral myelinated nerve *** to the complex structure and composition of myelin,various histol... 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