咨询与建议

限定检索结果

文献类型

  • 164,025 篇 期刊文献
  • 6,892 篇 会议
  • 6,660 册 图书
  • 175 篇 学位论文
  • 35 篇 报纸
  • 3 篇 多媒体

馆藏范围

  • 174,792 篇 电子文献
  • 3,032 种 纸本馆藏

日期分布

学科分类号

  • 66,818 篇 工学
    • 15,223 篇 材料科学与工程(可...
    • 9,289 篇 化学工程与技术
    • 7,466 篇 机械工程
    • 6,751 篇 生物医学工程(可授...
    • 6,420 篇 计算机科学与技术...
    • 5,482 篇 电子科学与技术(可...
    • 4,889 篇 电气工程
    • 4,763 篇 环境科学与工程(可...
    • 4,711 篇 动力工程及工程热...
    • 4,431 篇 力学(可授工学、理...
    • 4,379 篇 地质资源与地质工...
    • 3,998 篇 水利工程
    • 3,495 篇 控制科学与工程
  • 60,163 篇 医学
    • 45,565 篇 临床医学
    • 6,755 篇 基础医学(可授医学...
    • 6,451 篇 医学技术(可授医学...
    • 5,496 篇 公共卫生与预防医...
    • 4,857 篇 中西医结合
    • 4,010 篇 药学(可授医学、理...
  • 39,504 篇 理学
    • 10,773 篇 化学
    • 9,496 篇 物理学
    • 9,315 篇 生物学
    • 6,106 篇 数学
    • 3,910 篇 地质学
    • 3,722 篇 地球物理学
  • 17,080 篇 农学
    • 5,215 篇 作物学
    • 3,548 篇 畜牧学
  • 10,295 篇 教育学
    • 5,061 篇 体育学
    • 4,693 篇 教育学
  • 9,400 篇 管理学
  • 5,751 篇 经济学
    • 5,019 篇 应用经济学
  • 3,790 篇 法学
  • 3,258 篇 文学
  • 1,363 篇 艺术学
  • 1,122 篇 历史学
  • 965 篇 哲学
  • 329 篇 军事学

主题

  • 1,093 篇 美国
  • 1,080 篇 ct
  • 905 篇 mri
  • 794 篇 患者
  • 685 篇 病人
  • 657 篇 中国
  • 545 篇 and
  • 520 篇 of
  • 476 篇 应用
  • 433 篇 治疗
  • 429 篇 cancer
  • 375 篇 mr
  • 371 篇 美利坚合众国
  • 355 篇 设计
  • 326 篇 儿童
  • 316 篇 北美洲
  • 284 篇 影响因素
  • 270 篇 analysis
  • 268 篇 诊断
  • 267 篇 产量

机构

  • 552 篇 上海体育学院
  • 471 篇 西安交通大学
  • 437 篇 北京大学
  • 434 篇 武汉大学
  • 393 篇 西北农林科技大学
  • 358 篇 浙江大学
  • 354 篇 清华大学
  • 314 篇 中国地质大学
  • 263 篇 东南大学
  • 252 篇 山东大学
  • 238 篇 华中科技大学
  • 229 篇 中山大学
  • 219 篇 吉林大学
  • 212 篇 天津大学
  • 201 篇 上海交通大学
  • 200 篇 同济医科大学附属...
  • 193 篇 江南大学
  • 189 篇 苏州大学
  • 186 篇 中国科学院大学
  • 185 篇 华中科技大学同济...

作者

  • 316 篇 叶鹏
  • 229 篇 m.k
  • 177 篇 刘莉
  • 160 篇 郭俊
  • 134 篇 许爱娥
  • 111 篇 李玉娥
  • 89 篇 孙娥
  • 85 篇 h.murayama
  • 84 篇 唐光健
  • 82 篇 j.d.jackson
  • 80 篇 g.d'ambrosio
  • 78 篇 左剑恶
  • 74 篇 刘凯
  • 73 篇 梁惠娥
  • 70 篇 马超
  • 62 篇 郭战宏
  • 57 篇 余英豪
  • 56 篇 王东胜
  • 56 篇 张凤娥
  • 56 篇 李杰

语言

  • 124,430 篇 中文
  • 53,289 篇 英文
  • 35 篇 其他
  • 4 篇 日文
检索条件"作者=Yomna m.e.morshedy"
177790 条 记 录,以下是21-30 订阅
排序:
A Proposed Feature Selection Particle Swarm Optimization Adaptation for Intelligent Logistics--A Supply Chain Backlog elimination Framework
收藏 引用
Computers, materials & Continua 2024年 第6期79卷 4081-4105页
作者: Yasser Hachaichi Ayman e.Khedr Amira m.Idrees College of Computing and Information Technology at Khulais Department of Information SystemsUniversity of JeddahJeddah21959Saudi Arabia Faculty of Computers and Information Technology Future University in EgyptCairo11835Egypt
The diversity of data sources resulted in seeking effective manipulation and *** challenge that arises from the increasing dimensionality has a negative effect on the computation performance,efficiency,and stability o... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Novel Sustainable Cellulose Acetate Based Biosensor for Glucose Detection
收藏 引用
Journal of Renewable materials 2024年 第2期12卷 369-380页
作者: m.F.elkady e.m.el-Sayed mahmoud Samy Omneya A.Koriem H.Shokry Hassan Chemical and Petrochemical engineering Department Egypt-Japan University of Science and TechnologyNew Borg El-ArabAlexandriaEgypt Fabrication Technology Research Department Advanced Technology and New Materials Research InstituteCity of Scientific Research and Technological Applications(SRTA-City)New Borg El-ArabAlexandria21934Egypt Department of Public Works engineering Faculty of EngineeringMansoura UniversityMansoura35516Egypt environmental engineering Department Egypt-Japan University of Science and TechnologyNew Borg El-ArabAlexandriaEgypt electronic materials Research Department Advanced Technology and NewMaterials Research InstituteCity of Scientific Research and Technological Applications(SRTA-City)New Borg El-ArabAlexandria21934Egypt
In this study,green zinc oxide(ZnO)/polypyrrole(Ppy)/cellulose acetate(CA)film has been synthesized via solvent *** film was used as supporting material for glucose oxidase(GOx)to sensitize a glucose *** nanoparticles... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
early-onset gastrointestinal cancer:An epidemiological reality with great significance and implications
收藏 引用
World Journal of Gastrointestinal Oncology 2024年 第3期16卷 583-597页
作者: John K Triantafillidis Konstantinos Georgiou manousos m Konstadoulakis Apostolos e Papalois Department of IBD and GI endoscopy Metropolitan General HospitalHolargos 15562AthensGreece.Hellenic Society for Gastrointestinal Oncology354 Iera OdosChaidari 12461AtticaGreece 2nd Department of Surgery University of Athens School of MedicineAretaieion HospitalAthens 11528Greece
During the last few years,epidemiological data from many countries suggest that the incidence and prevalence of many cancers of the digestive system are shifting from the older to the younger ages,the so-called“early... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Review of Networked microgrid Protection:Architectures,Challenges,Solutions,and Future Trends
收藏 引用
CSee Journal of Power and energy Systems 2024年 第2期10卷 448-467页
作者: Jorge de la Cruz Ying Wu John e.Candelo-Becerra Juan C.Vasquez Josep m.Guerrero Center for Research on microgrids(CROm) Department of Energy TechnologyAalborg University9220 AalborgDenmark Facultad de minas Departamento de Energia Eléctrica y AutomaticaUniversidad Nacional de ColombiaSede MedellinCarrera 80 No.65-223RobledoMedellin 050041Colombia. Center for Research on microgrids at UPC(UPC CROm) Department of Electronic EngineeringTechnical University of Catalonia(UPC)08019 Barcelona Spain ICReA Pg.Lluis Companys 2308010 BarcelonaSpain Center for Research on microgrids at AAU(AAU CROm) AAU EnergyAalborg University(AAU)9220 Aalborg EastDenmark
Design and selection of advanced protection schemes have become essential for reliable and secure operation of networked *** protection schemes that allow correct operation of microgrids have been proposed for individ... 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
Transcriptional reprogramming during human osteoclast differentiation identifies regulators of osteoclast activity
收藏 引用
Bone Research 2024年 第1期12卷 180-198页
作者: morten S.Hansen Kaja madsen maria Price Kent Søe Yasunori Omata mario m.Zaiss Caroline m.Gorvin morten Frost Alexander Rauch molecular endocrinology Laboratory(KmeB) Department of EndocrinologyOdense University HospitalDK-5000 Odense CDenmark Department of Clinical Research Faculty of Health SciencesUniversity of Southern DenmarkDK-5000 Odense CDenmark Clinical Cell Biology Pathology Research UnitDepartment of Clinical ResearchUniversity of Southern DenmarkDK-5000 Odense CDenmark Institute of metabolism and Systems Research(ImSR)and Centre for Diabetes Endocrinology and Metabolism(CEDAM)University of BirminghamBirmingham B152TTUK Centre for membrane Proteins and Receptors(COmPARe) Universities of Birmingham and NottinghamBirmingham B152TTUK Department of molecular medicine University of Southern DenmarkDK-5000 Odense CDenmark Department of Orthopedic Surgery Faculty of MedicineThe University of TokyoTokyo 113-8655Japan Department of Internal medicine 3 Rheumatology and ImmunologyFriedrich-Alexander-University Erlangen-Nürnberg(FAU)and Universitätsklinikum ErlangenD-91054 ErlangenGermany Deutsches Zentrum Immuntherapie(DZI) Friedrich-Alexander-University Erlangen-Nürnberg and Universitätsklinikum ErlangenD-91054 ErlangenGermany Steno Diabetes Center Odense Odense University HospitalDK-5000 Odense CDenmark
enhanced osteoclastogenesis and osteoclast activity contribute to the development of osteoporosis,which is characterized by increased bone resorption and inadequate bone *** novel antiosteoporotic therapeutics are nee... 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
Ultrafast magneto-optical dynamics in nickel(111)single crystal studied by the integration of ultrafast reflectivity and polarimetry probes
收藏 引用
Chinese Physics B 2024年 第3期33卷 65-69页
作者: 匡皓 余军潇 陈洁 H.e.elsayed-Ali 李润泽 Peter m.Rentzepis School of Physical Science and Technology ShanghaiTech UniversityShanghai 201210China Center for Transformative Science ShanghaiTech UniversityShanghai 201210China Center for Ultrafast Science and Technology Key Laboratory for Laser Plasmas (Ministry of Education)Collaborative Innovation Center of IFSA (CICIFSA)School of Physics and AstronomyShanghai Jiao Tong UniversityShanghai 200240China Department of electrical and Computer engineering Old Dominion UniversityNorfolkVirginia 23529USA Department of electrical and Computer engineering Texas A&M UniversityCollege StationTexas 77843USA
With the integration of ultrafast reflectivity and polarimetry probes,we observed carrier relaxation and spin dynamics induced by ultrafast laser excitation of Ni(111)single *** carrier relaxation time within the line... 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 rat model of multicompartmental traumatic injury and hemorrhagic shock induces bone marrow dysfunction and profound anemia
收藏 引用
Animal models and experimental medicine 2024年 第3期7卷 367-376页
作者: Lauren S.Kelly Jennifer A.munley erick e.Pons Kolenkode B.Kannan elizabeth m.Whitley Letitia e.Bible Philip A.efron Alicia m.mohr Department of Surgery and Sepsis and Critical Illness Research Center University of Florida College of MedicineGainesvilleFloridaUSA Pathogenesis LLCGainesvilleFloridaUSA
Background:Severe trauma is associated with systemic inflammation and organ *** rodent trauma models are the mainstay of postinjury research but have been criticized for not fully replicating severe human *** aim of t... 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
Kaoline-based catalyst for a high stability desulfurization of sour heavy naphtha in a three-phase oscillatory baffled reactor
收藏 引用
Particuology 2024年 第1期84卷 249-260页
作者: Hassan m.Hmood Saba A.Gheni Safaa m.R.Ahmed mudheher m.Ali Hamid Yonis Saleh mohammed H.mohammed Awad e.mohammed marwan A.mahomood Hiba R.mohammed Ahmed A.Hassan Adam Harvey North Refineries Company Ministry of OilIraq Chemical engineering Department Tikrit UniversityIraq ministry of Oil Iraq AL-Hawija Technical Institute Northern Technical UniversityMoselIraq School of engineering Newcastle UniversityUK
To meet the rapidly increasing demand for energy and the dramatic depletion of conventional crude oil,it is imperative to utilize sour *** no coke being produced,oxidative desulfurization(ODS)of naphtha lowers its sul... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Simplified seismic scenario analysis of existing masonry buildings accounting for local site effects
收藏 引用
Frontiers of Structural and Civil engineering 2024年 第2期18卷 309-318页
作者: Ayşe e.ÖZSOYÖZBAY Işıl SANRI KARAPINAR Zehra N.KUTLU İsmail e.KILIÇ Department of Civil engineering Maltepe UniversityIstanbul 34857Turkey School of engineering and Construction Oryx Universal CollegeDoha 12253Qatar
This study discusses the effects of local sites and hazard amplification on the seismic vulnerability assessment of existing masonry *** this context,a rapid seismic evaluation procedure was implemented on an old maso... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论