咨询与建议

限定检索结果

文献类型

  • 103,817 篇 期刊文献
  • 7,355 篇 会议
  • 4,053 册 图书
  • 162 篇 学位论文
  • 16 篇 报纸
  • 2 篇 多媒体

馆藏范围

  • 113,619 篇 电子文献
  • 1,868 种 纸本馆藏

日期分布

学科分类号

  • 43,810 篇 工学
    • 9,354 篇 材料科学与工程(可...
    • 5,108 篇 化学工程与技术
    • 4,598 篇 生物医学工程(可授...
    • 3,146 篇 机械工程
    • 3,088 篇 电子科学与技术(可...
    • 2,446 篇 计算机科学与技术...
    • 2,239 篇 动力工程及工程热...
    • 2,009 篇 地质资源与地质工...
    • 1,740 篇 电气工程
    • 1,703 篇 仪器科学与技术
    • 1,621 篇 力学(可授工学、理...
    • 1,559 篇 水利工程
    • 1,464 篇 环境科学与工程(可...
  • 39,590 篇 医学
    • 32,478 篇 临床医学
    • 4,934 篇 医学技术(可授医学...
    • 3,569 篇 基础医学(可授医学...
    • 2,935 篇 中西医结合
    • 2,374 篇 公共卫生与预防医...
    • 1,813 篇 药学(可授医学、理...
  • 20,541 篇 理学
    • 3,910 篇 物理学
    • 3,775 篇 化学
    • 3,158 篇 数学
    • 2,889 篇 生物学
    • 2,192 篇 地质学
  • 9,562 篇 农学
    • 2,369 篇 作物学
    • 2,019 篇 畜牧学
    • 1,546 篇 农业资源与环境
  • 4,200 篇 管理学
    • 1,781 篇 管理科学与工程(可...
  • 2,848 篇 经济学
    • 2,497 篇 应用经济学
  • 2,357 篇 教育学
    • 1,732 篇 教育学
  • 1,648 篇 法学
  • 1,595 篇 文学
  • 646 篇 艺术学
  • 617 篇 历史学
  • 529 篇 哲学
  • 188 篇 军事学

主题

  • 1,141 篇 ct
  • 1,002 篇 mri
  • 640 篇 病人
  • 630 篇 美国
  • 587 篇 患者
  • 550 篇 mr
  • 475 篇 and
  • 473 篇 of
  • 381 篇 cancer
  • 303 篇 治疗
  • 272 篇 北美洲
  • 242 篇 analysis
  • 213 篇 microstructure
  • 212 篇 美利坚合众国
  • 209 篇 诊断
  • 188 篇 disease
  • 187 篇 应用
  • 184 篇 儿童
  • 163 篇 in
  • 160 篇 dna

机构

  • 309 篇 北京大学
  • 174 篇 清华大学
  • 164 篇 香港理工大学
  • 141 篇 浙江大学
  • 136 篇 同济医科大学附属...
  • 133 篇 中国科学院大学
  • 115 篇 南京大学
  • 103 篇 上海交通大学
  • 98 篇 香港城市大学
  • 98 篇 中国地质大学
  • 90 篇 华中科技大学
  • 83 篇 university of ch...
  • 78 篇 华中科技大学同济...
  • 70 篇 美国加州大学
  • 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...
  • 66 篇 national researc...

作者

  • 316 篇 叶鹏
  • 232 篇 m.k
  • 145 篇 刘莉
  • 123 篇 郭俊
  • 97 篇 china
  • 95 篇 唐光健
  • 86 篇 朱国栋
  • 85 篇 h.murayama
  • 85 篇 j.d.jackson
  • 85 篇 g.d'ambrosio
  • 83 篇 m.white
  • 57 篇 余英豪
  • 54 篇 刘凯
  • 52 篇 王铮
  • 48 篇 y.zhang
  • 45 篇 郭战宏
  • 41 篇 李长根
  • 41 篇 linda m.chung
  • 40 篇 刘闯
  • 39 篇 t.gries

语言

  • 70,288 篇 中文
  • 45,104 篇 英文
  • 2 篇 日文
  • 2 篇 其他
  • 1 篇 法文
检索条件"作者=M.Y.nadeem"
115405 条 记 录,以下是1-10 订阅
排序:
Bipolar tri-state resistive switching characteristics in Ti/CeO_x/Pt memory device
收藏 引用
Chinese Physics B 2014年 第12期23卷 333-338页
作者: m.Ismail m.W.Abbas A.m.Rana I.Talib E.Ahmed m.y.nadeem T.L.Tsai U.Chand N.A.Shah m.Hussain A.Aziz m.T.Bhatti Department of Physics Bahauddin Zakariya University Department of Electronics Engineering and Institute of Electronics National Chiao Tung University Thin Films Technology Research Laboratory Department of Physics COMSATS Institute of Information Technology Center for High Energy Physics University of Punjab
Highly repeatable multilevel bipolar resistive switching in Ti/Ce Ox/Pt nonvolatile memory device has been demonstrated. X-ray diffraction studies of Ce O2 films reveal the formation of weak polycrystalline structure.... 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
Complex Decision modeling Framework with Fairly Operators and Quaternion Numbers under Intuitionistic Fuzzy Rough Context
收藏 引用
Computer modeling in Engineering & Sciences 2024年 第5期139卷 1893-1932页
作者: nadeem Salamat muhammad Kamran Shahzaib Ashraf manal Elzain mohammed Abdulla Rashad Ismail mohammed m.Al-Shamiri Institute of mathematics Khwaja Fareed University of Engineering&Information TechnologyRahim Yar Khan64200Pakistan Department of mathematics Thal University BhakkarPunjab30000Pakistan Department of mathematics Faculty of Science and ArtsKing Khalid UniversityMuhayl Assir61913Saudi Arabia
The main goal of informal computing is to overcome the limitations of hypersensitivity to defects and uncertainty while maintaining a balance between high accuracy,accessibility,and *** paper investigates the potentia... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Chaplygin gas inspired warm inflation and swampland conjectures through various scalar potentials
收藏 引用
Chinese Physics C 2024年 第9期48卷 254-273页
作者: Abdul Jawad nadeem Azhar Shama Sadiq Shamaila Rani Institute for Theoretical Physics and Cosmology Zhejiang University of TechnologyHangzhou 310023China Department of mathematics COMSATS University IslamabadLahore CampusLahore-54000Pakistan Department of mathematics National University of Modern Languages(NUML)Lahore CampusLahore-54000Pakistan
In this paper,we analyze inflationary parameters and swampland conjectures in the presence of a scalar field and Chaplygin *** examine inflationary parameters,such as slow-roll parameters,scalar and tensor power spect... 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
Secure and Reliable Routing in the Internet of Vehicles Network:AODV-RL with BHA Attack Defense
收藏 引用
Computer modeling in Engineering & Sciences 2024年 第4期139卷 633-659页
作者: nadeem Ahmed Khalid mohammadani Ali Kashif Bashir marwan Omar Angel Jones Fayaz Hassan School of Electronic Science Beijing University of Post and TelecommunicationBeijing100086China Department of Computer Science Huanggang Normal UniversityHuanggangChina Department of Computing and mathematics Manchester Metropolitan UniversityManchesterUK Woxsen School of Business Woxsen UniversityHyderabad502345India Department of Computer Science and mathematics Lebanese American UniversityBeirutLebanon Information Technology and management Illinois Institute of TechnologyChicagoUSA College of Computing Capital Technology UniversityLaurelUSA
Wireless technology is transforming the future of transportation through the development of the Internet of Vehicles(IoV).However,intricate security challenges are intertwinedwith technological progress:Vehicular ad h... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Weber Law Based Approach for multi-Class Image Forgery Detection
收藏 引用
Computers, materials & Continua 2024年 第1期78卷 145-166页
作者: Arslan Akram Javed Rashid Arfan Jaffar Fahima Hajjej Waseem Iqbal nadeem Sarwar Department of Computer Science Superior UniversityLahore54000Pakistan Information Technology Services University of OkaraOkara56300Pakistan Departmet of Computer Science MLC LabOkara56300Pakistan Department of CS&SE International Islamic UniversityIslamabad44000Pakistan Department of Information Systems College of Computer and Information SciencesPrincess Nourah bint Abdulrahman UniversityRiyadh11671Saudi Arabia Department of Software Engineering Superior UniversityLahore54000Pakistan Department of Computer Science Bahria UniversityLahore CampusLahore54600Pakistan
Today’s forensic science introduces a new research area for digital image analysis formultimedia ***,Image authentication issues have been raised due to the wide use of image manipulation software to obtain an illegi... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Growth of RB Population in the Conversion Phase of Chlamydia Life Cycle
收藏 引用
Communications on Applied mathematics and Computation 2024年 第1期6卷 90-112页
作者: Frederic y.m.Wan Department of mathematics University of CaliforniaIrvineCA92697-3875USA
Upon infecting a host cell,the reticulate body(RB)form of the Chlamydia bacteria simply proliferates by binary fission for an extended *** data show only RB units in the infected cells 20 hours post infection(hpi),spa... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
A Collocation Technique via Pell-Lucas Polynomials to Solve Fractional Differential Equationmodel for HIV/AIDS with Treatment Compartment
收藏 引用
Computer modeling in Engineering & Sciences 2024年 第10期141卷 281-310页
作者: Gamze yıldırım Suayip yüzbası Department of mathematics Faculty of ScienceAkdeniz UniversityAntalya07058Turkey Department of mathematics Faculty of Basic ScienceGebze Technical UniversityKocaeli41400Turkey Department of mathematics Faculty of ScienceBartın UniversityBartın74100Turkey
In this study,a numerical method based on the Pell-Lucas polynomials(PLPs)is developed to solve the fractional order HIV/AIDS epidemic model with a treatment *** HIV/AIDS mathematical model with a treatment compartmen... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Reactive destabilization and bidirectional catalyzation for reversible hydrogen storage of LiBH_(4) by novel waxberry-like nano-additive assembled from ultrafine Fe_(3)O_(4) particles
收藏 引用
Journal of materials Science & Technology 2024年 第6期173卷 63-71页
作者: S.Wang m.H.Wu y.y.Zhu Z.L.Li y.X.yang y.Z.Li H.F.Liu m.X.Gao Department of material Science Shenzhen MSU-BIT UniversityShenzhen 518172China State Key Laboratory of Silicon and Advanced Semiconductor materials&School of materials Science and Engineering Zhejiang UniversityHangzhou 310027China Institute of Resources Utilization and Rare Earth Development State Key Laboratory of Rare Metals Separation and Comprehensive UtilizationGuangdong Provincial Key Laboratory of Rare Earth Development and ApplicationGuangdong Academy of SciencesGuangzhou 510650China Institute of Science and Technology for New Energy Xi’an Technological UniversityXi’an 710021China National Supercomputing Center in Shenzhen Shenzhen 518055China
LiBH_(4) containing 18.5 wt.%H_(2) is an attractive high-capacity hydrogen storage material,however,it suffers from high operation temperature and poor ***,a novel and low-cost bifunctional additive,waxberry-like Fe_(... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Quantum correlations and entanglement in coupled optomechanical resonators with photon hopping via Gaussian interferometric power analysis
收藏 引用
Chinese Physics B 2024年 第5期33卷 204-211页
作者: y.Lahlou B.maroufi m.Daoud LPHE-mS Department of PhysicsFaculty of SciencesMohammed V UniversityRabatMorocco LPmS Department of PhysicsFaculty of SciencesIbn Tofail UniversityKénitraMorocco
Quantum correlations that surpass entanglement are of great importance in the realms of quantum information processing and quantum ***,for quantum systems prepared in pure states,it is difficult to differentiate betwe... 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
Supposition of graphene stacks to estimate the contact resistance and conductivity of nanocomposites
收藏 引用
Applied mathematics and mechanics(English Edition) 2024年 第4期45卷 663-676页
作者: y.ZARE m.T.mUNIR G.J.WENG K.y.RHEE Biomaterials and Tissue Engineering Research Group Department of Interdisciplinary TechnologiesBreast Cancer Research CenterMotamed Cancer InstituteTehran ***Iran College of Engineering and Technology American University of the Middle EastEgaila 54200Kuwait Department of mechanical and Aerospace Engineering Rutgers UniversityNew BrunswickNJ 08903U.S.A. Department of mechanical Engineering(BK21 Four) College of EngineeringKyung Hee UniversityYongin 446701Republic of Korea
In this study,the effects of stacked nanosheets and the surrounding interphase zone on the resistance of the contact region between nanosheets and the tunneling conductivity of samples are evaluated with developed equ... 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