咨询与建议

限定检索结果

文献类型

  • 20,139 篇 期刊文献
  • 1,198 篇 会议
  • 740 册 图书
  • 29 篇 学位论文
  • 10 篇 报纸

馆藏范围

  • 21,772 篇 电子文献
  • 354 种 纸本馆藏

日期分布

学科分类号

  • 9,773 篇 工学
    • 2,910 篇 材料科学与工程(可...
    • 1,620 篇 化学工程与技术
    • 1,145 篇 电子科学与技术(可...
    • 1,060 篇 机械工程
    • 1,053 篇 电气工程
    • 916 篇 计算机科学与技术...
    • 872 篇 生物医学工程(可授...
    • 805 篇 力学(可授工学、理...
    • 779 篇 地质资源与地质工...
    • 725 篇 动力工程及工程热...
    • 636 篇 环境科学与工程(可...
    • 633 篇 冶金工程
    • 618 篇 水利工程
    • 526 篇 仪器科学与技术
    • 516 篇 建筑学
    • 472 篇 控制科学与工程
    • 471 篇 土木工程
  • 7,236 篇 理学
    • 2,340 篇 物理学
    • 2,139 篇 化学
    • 1,370 篇 生物学
    • 1,025 篇 数学
    • 871 篇 地球物理学
    • 852 篇 地质学
    • 698 篇 天文学
  • 6,633 篇 医学
    • 5,650 篇 临床医学
    • 800 篇 基础医学(可授医学...
    • 654 篇 医学技术(可授医学...
    • 536 篇 公共卫生与预防医...
  • 1,935 篇 农学
    • 607 篇 作物学
  • 852 篇 管理学
  • 572 篇 经济学
    • 491 篇 应用经济学
  • 473 篇 教育学
  • 375 篇 法学
  • 354 篇 文学
  • 157 篇 艺术学
  • 155 篇 历史学
  • 78 篇 哲学
  • 38 篇 军事学

主题

  • 119 篇 印度
  • 117 篇 of
  • 100 篇 患者
  • 81 篇 analysis
  • 60 篇 and
  • 53 篇 俄罗斯
  • 50 篇 acid
  • 47 篇 properties
  • 47 篇 mri
  • 46 篇 deep learning
  • 45 篇 high
  • 45 篇 magnetic
  • 39 篇 diabetes
  • 37 篇 中国
  • 36 篇 simulation
  • 36 篇 ct
  • 34 篇 力学性能
  • 33 篇 金属材料
  • 32 篇 plasma
  • 31 篇 crystal

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

作者

  • 88 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
  • 84 篇 v.burkert
  • 82 篇 y.hayato
  • 81 篇 a.v.gritsan
  • 77 篇 a.gurtu
  • 77 篇 m.carena
  • 77 篇 a.masoni
  • 72 篇 s.rolli
  • 69 篇 叶鹏
  • 69 篇 s.r.klein
  • 68 篇 a.d.martin
  • 68 篇 b.heltsley
  • 68 篇 d.h.weinberg
  • 68 篇 u.f.katz
  • 65 篇 kavli ipmu

语言

  • 11,084 篇 中文
  • 11,022 篇 英文
  • 3 篇 其他
检索条件"作者=V.A.Tomil.n"
22116 条 记 录,以下是61-70 订阅
排序:
Wormhole solutions under the effect of dark matter in f(R,L_(m))gravity
收藏 引用
Communications in Theoretical Physics 2024年 第5期76卷 102-113页
作者: Lakhan v Jaybhaye Moreshwar Tayde PK Sahoo Department of Mathematics Birla Institute of Technology and Science-PilaniHyderabad CampusHyderabad-500078India
In the background of f(R,L_(m))gravity,this work investigates three distinct dark matter halo profiles to test the possibility of generalised wormhole geometry within the galactic halo *** current study aims to accomp... 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
Magnetic resonance imaging-guided focused ultrasound thalamotomy launch with remote telemedicine international proctorship
收藏 引用
Chronic Diseases and Translational Medicine 2024年 第1期10卷 40-50页
作者: Igor v.Buzaev Rezida M.Galimova Dinara I.nabiullina Sergey n.Illarioshkin naufal Sh.Zagidullin Shamil M.Safin Department of Surgery Bashkir State Medical UniversityUfaRussia Intelligent neurosurgery Clinic Ltd.International Medical Center V.S.Buzaev memorialUfaRussia Directorate Research Center of NeurologyVolokolamskoye ShosseMoscowRussia
Background: COvID-19 limitations have hindered the implementation of new technologies by preventing proctors from coming to the *** share our first experience of magnetic resonance imaging(MRI)-guided focused ultrasou... 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
Effect of the anionic composition of sulfolane based electrolytes on the performances of lithium-sulfur batteries
收藏 引用
Journal of Energy Chemistry 2024年 第8期95卷 231-240,I0005页
作者: Elena v.Karaseva Elena v.Kuzmina Bo-Quan Li Qiang Zhang vladimir S.Kolosnitsyn Ufa Institute of Chemistry of the Ufa Federal Research Centre of the Russian Academy of Science 71Prospect OktyabryaUfa 450054BashkortostanRussia Advanced Research Institute of Multidisciplinary Science Beijing Institute of TechnologyBeijing 100081China Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology Department of Chemical EngineeringTsinghua UniversityBeijing 100084China
In lithium-sulfur batteries,cell design,specifically electrolyte design,has a key impact on the battery *** effect of lithium salt anion donor number(Dn)(Dn[PF_(6)]^(-)=2.5,Dn[n(SO_(2)CF_(3))_(2)]^(-)=5.4,Dn[ClO_(4)]^... 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
Investigation of crack segmentation and fast evaluation of crack propagation, based on deep learning
收藏 引用
Frontiers of Structural and Civil Engineering 2024年 第4期18卷 516-535页
作者: Than v.TRAn H.nGUYEn-XUAn Xiaoying ZHUAnG Institute of Photonics Leibniz University HannoverHannover 30167Germany CIRTech Institute HUTECH UniversityHo Chi Minh City 700000Vietnam College of Civil Engineering Tongji UniversityShanghai 200092China
Identifying crack and predicting crack propagation are critical processes for the risk assessment of engineering *** traditional approaches to crack modeling are faced with issues of high computational costs and exces... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
A multi-platform analysis of human gingival crevicular fluid reveals ferroptosis as a relevant regulated cell death mechanism during the clinical progression of periodontitis
收藏 引用
International Journal of Oral Science 2024年 第2期16卷 265-279页
作者: Alfredo Torres M.Angélica Michea Ákos végvári Marion Arce valentina Pérez Marcela Alcota Alicia Morales Rolando vernal Mauricio Budini Roman A.Zubarev Fermín E.González Laboratory of Experimental Immunology&Cancer Faculty of DentistryUniversity of ChileSantiagoChile Department of Conservative Dentistry Faculty of DentistryUniversity of ChileSantiagoChile Division of Chemistry I Department of Medical Biochemistry and BiophysicsKarolinska InstitutetStockholmSweden Periodontal Biology Laboratory Faculty of DentistryUniversidad de ChileSantiagoChile Laboratory of Cellular and Molecular Pathology Institute for Research in Dental SciencesFaculty of DentistryUniversity of ChileSantiagoChile
Ferroptosis is implicated in the pathogenesis of numerous chronic-inflammatory diseases,yet its association with progressive periodontitis remains *** investigate the involvement and significance of ferroptosis in per... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Energy-efficient joint UAv secure communication and 3D trajectory optimization assisted by reconfigurable intelligent surfaces in the presence of eavesdroppers
收藏 引用
Defence Technology(防务技术) 2024年 第1期31卷 537-543页
作者: Huang Hailong Mohsen Eskandari Andrey v.Savkin Wei ni The Department of Aeronautical and Aviation Engineering The Hong Kong Polytechnic UniversityHong KongChina School of Electrical Engineering and Telecommunications University of New South WalesSydney2052Australia Data61 CSIROAustralia
We consider a scenario where an unmanned aerial vehicle(UAv),a typical unmanned aerial system(UAS),transmits confidential data to a moving ground target in the presence of multiple *** friendly reconfigurable intellig... 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
Emission colour tuning in KLnF_(4):Yb^(3+),Er^(3+)/Ho^(3+)phosphor
收藏 引用
Journal of Rare Earths 2024年 第1期42卷 57-65,I0002页
作者: Janani K Gayathri E vijayatha v Ramasubramanian S Thiyagarajan P Department of Science and Humanities Nehru Institute of TechnologyKaliapuramThirumalayampalayamCoimbatoreIndia Department of Sciences Amrita School of Physical SciencesAmrita Vishwa VidyapeethamCoimbatoreIndia Department of Physics Anna UniversityChennaiIndia
KLnF_(4):Yb^(3+),Er^(3+)/Ho^(3+)(Ln=Y,Yb,Gd)phosphors were prepared by solid-state reaction *** each of the Yb^(3+)/Er^(3+)and Yb^(3+)/Ho^(3+)co-doped phosphors independently,phase confirmation and morphological exami... 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 novel diurnal and seasonal variation analysis of BTEX in Bengaluru urban area
收藏 引用
Research in Cold and Arid Regions 2024年 第1期16卷 14-19页
作者: H.n.Sowmya M.Dinamani G.P.Shivashankara H.K.Ramaraju B.S.Surendra vijaya v.Shanbhag R.Prajwal Department of Civil Engineering Dayananda Sagar College of EngineeringBangalore 560078India Department of Chemistry Dayananda Sagar College of EngineeringBangalore 560078India Department of Physics GFGCVijayanagarBengaluru 560040India
In the urban atmosphere of Bengaluru, various volatile organic compounds(vOCs), particularly Benzene,Toluene, Ethylbenzene, and Xylene(BTEX), have shown an increasing trend in concentration. The present research was c... 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
Photoluminescence,structural and antibacterial properties of co-doped β-Ca3(PO4)2-type phosphates Ca8CuRE(PO4)7(RE=Eu-Er)
收藏 引用
Journal of Rare Earths 2024年 第9期42卷 1658-1668页
作者: Ivan v.nikiforov Ekaterina v.Iliin Bogdan I.Lazoryak Sergey M.Aksenov Pavel v.Slukin Dina v.Deyneko Department of Chemistry Lomonosov Moscow State University Laboratory of Arctic Mineralogy and Material Sciences Kola Science CentreRussian Academy of Sciences Geological Institute Kola Science CentreRussian Academy of Sciences State Scientific Center of Applied Microbiology and Biotechnology of Rospotrebnadzor 24
novel Ca8CuRE(PO4)7where RE3+=Eu3+,Tb3+,Dy3+,Ho3+and Er3+were synthesized by a solid-state method in *** structures of the samples were characterized by powder X-ray diffraction using Rietveld refinement to determin... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
Deep Transfer Learning Techniques in Intrusion Detection System-Internet of vehicles: A State-of-the-Art Review
收藏 引用
Computers, Materials & Continua 2024年 第8期80卷 2785-2813页
作者: Wufei Wu Javad Hassannataj Joloudari Senthil Kumar Jagatheesaperumal Kandala n.v.P.SRajesh Silvia Gaftandzhieva Sadiq Hussain Rahimullah Rabih najibullah Haqjoo Mobeen nazar Hamed vahdat-nejad Rositsa Doneva School of Information Engineering Nanchang UniversityNanchang330031China Department of Computer Engineering Technical and Vocational University(TVU)Tehran***Iran Department of Computer Engineering University of BirjandBirjand***Iran Department of Computer Engineering Babol BranchIslamic Azad UniversityBabol***Iran Department of Electronics&Communication Engineering Mepco Schlenk Engineering CollegeSivakasi626005India School of Electronics Engineering VIT-AP UniversityNear Vijayawada522237India Faculty of Mathematics and Informatics University of Plovdiv Paisii HilendarskiPlovdiv4000Bulgaria Examination Branch Dibrugarh UniversityDibrugarh786004India Department of Computer Engineering Faculty of EngineeringUniversity of BirjandBirjand***Iran Faculty of Electrical and Computer Engineering University of BirjandBirjand***Iran Malaysian Institute of Information Technology Universiti Kuala LumpurKuala Lumpur50250Malaysia Faculty of Physics and Technology University of Plovdiv Paisii HilendarskiPlovdiv4000Bulgaria
The high performance of IoT technology in transportation networks has led to the increasing adoption of Internet of vehicles(Iov)*** functional advantages of Iov include online communication services,accident preventi... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论