咨询与建议

限定检索结果

文献类型

  • 60,414 篇 期刊文献
  • 10,160 篇 会议
  • 3,552 册 图书
  • 44 篇 学位论文
  • 13 篇 报纸

馆藏范围

  • 72,566 篇 电子文献
  • 1,701 种 纸本馆藏

日期分布

学科分类号

  • 29,527 篇 工学
    • 4,962 篇 材料科学与工程(可...
    • 3,430 篇 化学工程与技术
    • 2,536 篇 控制科学与工程
    • 2,433 篇 机械工程
    • 2,206 篇 电子科学与技术(可...
    • 2,138 篇 计算机科学与技术...
    • 2,039 篇 生物医学工程(可授...
    • 1,613 篇 仪器科学与技术
    • 1,514 篇 软件工程
    • 1,331 篇 动力工程及工程热...
    • 1,240 篇 水利工程
    • 1,228 篇 地质资源与地质工...
    • 1,118 篇 信息与通信工程
    • 1,113 篇 力学(可授工学、理...
    • 1,072 篇 电气工程
  • 18,754 篇 医学
    • 14,919 篇 临床医学
    • 2,155 篇 医学技术(可授医学...
    • 1,770 篇 基础医学(可授医学...
    • 1,517 篇 中西医结合
    • 1,308 篇 公共卫生与预防医...
  • 14,765 篇 理学
    • 2,795 篇 数学
    • 2,564 篇 化学
    • 2,292 篇 物理学
    • 1,957 篇 生物学
    • 1,588 篇 系统科学
    • 1,282 篇 地质学
  • 6,576 篇 农学
    • 1,774 篇 作物学
    • 1,375 篇 畜牧学
  • 3,978 篇 管理学
    • 2,187 篇 管理科学与工程(可...
  • 2,377 篇 经济学
    • 2,103 篇 应用经济学
  • 1,511 篇 教育学
  • 1,156 篇 文学
  • 1,145 篇 法学
  • 448 篇 哲学
  • 441 篇 历史学
  • 437 篇 艺术学
  • 217 篇 军事学

主题

  • 516 篇 美国
  • 446 篇 ct
  • 265 篇 mri
  • 230 篇 of
  • 229 篇 病人
  • 216 篇 患者
  • 206 篇 北美洲
  • 160 篇 and
  • 152 篇 美利坚合众国
  • 147 篇 mr
  • 143 篇 analysis
  • 122 篇 cancer
  • 114 篇 应用
  • 108 篇 治疗
  • 103 篇 方程
  • 102 篇 中国
  • 100 篇 covid-19
  • 93 篇 大洋洲
  • 91 篇 诊断
  • 91 篇 产量

机构

  • 420 篇 深圳大学
  • 204 篇 山东大学
  • 140 篇 西南民族大学
  • 126 篇 北京大学
  • 68 篇 university of mi...
  • 68 篇 清华大学
  • 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 中国科学院大学
  • 66 篇 同济医科大学附属...
  • 65 篇 NOT FOUND
  • 65 篇 national researc...
  • 64 篇 institut fur the...
  • 63 篇 dept.of physics ...
  • 60 篇 compas group ins...
  • 60 篇 rudolf peierls c...

作者

  • 661 篇 p.r.china
  • 148 篇 p. r. china
  • 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
  • 83 篇 y.kwon
  • 83 篇 叶鹏
  • 78 篇 m.white
  • 76 篇 m.drees
  • 66 篇 s.blusk
  • 62 篇 p.r. china
  • 60 篇 郭战宏
  • 56 篇 k.monig
  • 53 篇 shanghai
  • 46 篇 beijing
  • 41 篇 barbara cherry

语言

  • 44,411 篇 中文
  • 29,758 篇 英文
检索条件"作者=r.Akram"
74183 条 记 录,以下是1-10 订阅
排序:
resistive humidity sensor based on vanadium complex films
收藏 引用
Journal of Semiconductors 2014年 第9期35卷 35-38页
作者: Kh.S.Karimov M.Saleem M.Mahroof-Tahir r.akram M.T.Saeed Chanee A.K.Niaz GIK Institute of Engineering Sciences and Technology Topi-23640 District Swabi KPK Pakistan Physical Technical Institute of Academy of Sciences Rudaki Ave.33 Dushanbe 734025 Tajikistan Government College of Science Wahdat Road Lahore-54570 Pakistan Saint Cloud State University 720 Fourth Avenue South Saint Cloud MN 56301-4498 USA Center of Excellence for Advanced Materials research (CEAMr) King Abdul Aziz University Jeddah 21589 P.O.Box 80203 Saudi Arabia
A resistive-type relative humidity (rH) sensor based on vanadium complex (VO2(3-f[)) film is reported in this study. Gold electrodes were deposited on the glass substrates in a co-planar structure. A thin film o... 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
Optical Detection of Distal Lung Enzyme Activity in Human Inflammatory Lung Disease
收藏 引用
Biomedical Engineering Frontiers 2021年 第1期2卷 44-54页
作者: Alicia Megia-Fernandez Adam Marshall Ahsan r.akram Bethany Mills Sunay V.Chankeshwara Emma Scholefield Amy Miele Bruce C.McGorum Chesney Michaels Nathan Knighton Tom Vercauteren Francois Lacombe Veronique Dentan Annya M.Bruce Joanne Mair robert Hitchcock Nik Hirani Chris Haslett Mark Bradley Kevin Dhaliwal EaStCHEM The University of Edinburgh School of ChemistryJoseph Black BuildingWest Mains RoadEdinburghUK EH93FJ Translational Healthcare Technologies Group Centre for Inflammation ResearchQueen’s Medical Research InstituteUniversity of Edinburgh47 Little France CrescentEdinburgh BioQuarterEdinburghUK EH164TJ The roslin Institute and royal(Dick)School of Veterinary Studies University of EdinburghEaster BushMidlothianUK EH259RG Department of Biomedical Engineering University of Utah36 S Wasatch DrSalt Lake CityUT 84112USA School of Biomedical Engineering&Imaging Sciences King’s College LondonLondonUK SE17EH Mauna Kea Technologies 9Rue d’EnghienParisFrance 75010
Objective and Impact *** is a need to develop platforms delineating inflammatory biology of the distal human *** describe a platform technology approach to detect in situ enzyme activity and observe drug inhibition in... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Antioxidant and lipoxygenase inhibitory properties of a novel flavonoid from Pistacia chinensis Bunge and its molecular docking analysis
收藏 引用
Traditional Medicine research 2025年 第2期10卷 30-36页
作者: Abdur rauf Zuneera akram Naveed Muhammad Najla AlMasoud Taghrid Saad Alomar Saima Naz Abdul Wadood Chandni Hayat Marcello Iriti Department of Chemistry University of SwabiAmbar 23561Pakistan Department of Pharmacology Faculty of Pharmaceutical SciencesBaqai Medical UniversityKarachi 74600Pakistan Department of Pharmacy Abdul Wali Khan University MardanMardan 23200Pakistan Department of Chemistry College of SciencePrincess Nourah bint Abdulrahman UniversityRiyadh 11671Saudi Arabia Department of Biotechnology BKUC-Bacha Khan University CharsaddaCharsadda 24620Pakistan Department of Biochemistry Abdul Wali Khan University MardanMardan 23200Pakistan Department of Biomedical Surgical and Dental SciencesUniversity of MilanMilan 20129Italy National Interuniversity Consortium of Materials Science and Technology(INSTM) Firenze 50121Italy
Background:Pistacia chinensis Bunge has been traditionally used to manage various conditions,including asthma,pain,inflammation,hepatoprotection,and *** study was conducted to investigate the antioxidant and anti-lipo... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Erratum to “Optical Detection of Distal Lung Enzyme Activity in Human Inflammatory Lung Disease”
收藏 引用
Biomedical Engineering Frontiers 2023年 第1期4卷 30-30页
作者: Alicia Megia-Fernandez Adam Marshall Ahsan r.akram Bethany Mills Sunay V.Chankeshwara Emma Scholefield Amy Miele Bruce C.McGorum Chesney Michaels Nathan Knighton Tom Vercauteren Francois Lacombe Veronique Dentan Annya M.Bruce Joanne Mair robert Hitchcock Nik Hirani Chris Haslett Mark Bradley Kevin Dhaliwal EaStCHEM The University of Edinburgh School of ChemistryJoseph Black BuildingWest Mains RoadEdinburgh EH93FJUK Translational Healthcare Technologies Group Centre for Inflammation ResearchQueen’s Medical Research InstituteUniversity of Edinburgh47 Little France CrescentEdinburgh BioQuarterEdinburgh EH164TJUK The roslin Institute and royal(Dick)School of Veterinary Studies University of EdinburghEaster BushMidlothian EH259RGUK Department of Biomedical Engineering University of Utah36 S Wasatch DrSalt Lake CityUT 84112USA School of Biomedical Engineering&Imaging Sciences King’s College LondonLondon SE17EHUK Mauna Kea Technologies 9Rue d’EnghienParis 75010France
In the research article“Optical Detection of Distal Lung Enzyme Activity in Human Inflammatory Lung Disease”[1],the data availability statement was inadvertently omitted by the *** has now been corrected in the PDF ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Kinetics of Soil Potassium release Under Long-Term Imbalanced Fertilization in Calcareous Soils
收藏 引用
Pedosphere 2017年 第6期27卷 1105-1115页
作者: akram FATEMI Soil Science Department Razi UniversityKermanshah ***(Iran)
Knowledge on potassium ion(K^+) release from soils makes K fertilizer recommendation more efficient and *** of K^+release under continuous fertilization of no fertilizer(CK), urea(N), triple superphosphate(P), and ure... 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
Magnetohydrodynamic peristaltic flow of a hyperbolic tangent fluid in a vertical asymmetric channel with heat transfer
收藏 引用
Acta Mechanica Sinica 2011年 第2期27卷 237-250页
作者: Sohail Nadeem Safia akram Department of Mathematics Quaid-i-Azam University 45320 Islamabad 44000 Pakistan Department of Electrical (Telecom) Engineering Military College of Signals National University of Sciences and Technology Rawalpindi 46000 Pakistan
In the present paper we discuss the magnetohydrodynamic (MHD) peristaltic flow of a hyperbolic tangent fluid model in a vertical asymmetric channel under a zero reynolds number and long wavelength approximation. Exa... 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
SYNTHESIS AND CHArACTErIZATION OF OPTICALLY ACTIVE POLY(AMIDE-IMIDE)S BASED ON[N,N'-(4,4'-CArBONYLDIPHTALOYL)-BIS-LAMINO DIACID]S AND l,5-BIS(4-AMINOPHENYL)PENTA-l,4-DIEN-3-ONE
收藏 引用
Chinese Journal of Polymer Science 2012年 第6期30卷 777-785页
作者: Khalil Faghihi akram Feyzi Organic Polymer Chemistry research Laboratory Department of ChemistryFaculty of ScienceArak UniversityArak38156Iran
Six dicarboxylic acids 3a-3f were synthesized dianhydride 1 with L-aminoacids 2a-2f in a solution of glacial new poly(amide-imide)s PAIs were synthesized from by the reaction of 3,3',4,4'-benzophenonetetracarboxyl... 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
Machine Learning Techniques in Predicting Hot Deformation Behavior of Metallic Materials
收藏 引用
Computer Modeling in Engineering & Sciences 2025年 第1期142卷 713-732页
作者: Petr Opela Josef Walek Jaromír Kopecek Department of Metallurgical Technologies Faculty of Materials Science and TechnologyVSB–Technical University of OstravaOstrava70800Czech Republic FZU—Institute of Physics of the Czech Academy of Sciences Prague18200Czech Republic
In engineering practice,it is often necessary to determine functional relationships between dependent and independent *** relationships can be highly nonlinear,and classical regression approaches cannot always provide... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Wave solutions and numerical validation for the coupled reaction-advection-diffusion dynamical model in a porous medium
收藏 引用
Communications in Theoretical Physics 2022年 第12期74卷 9-20页
作者: Ali M Mubaraki Hwajoon Kim r I Nuruddeen Urooj akram Yasir Akbar Department of Mathematics and Statistics Collage of ScienceTaif UniversityP O Box 11099Taif 21944Saudi Arabia Kyungdong University YangjuRepublic of Korea Department of Mathematics Faculty of ScienceFederal University DutseP O Box 7156 DutseJigawa StateNigeria Department of Mathematics COMSATS University IslamabadLahorePakistan Department of Mathematics COMSATS University Islamabad44000 IslamabadPakistan
The current study examines the special class of a generalized reaction-advection-diffusion dynamical model that is called the system of coupled Burger’s *** system plays a vital role in the essential areas of physics... 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
Wedge-Shaped Pop-Up Structure in the Eslami Peninsula, Lake Urmia, Northwestern Iran
收藏 引用
Acta Geologica Sinica(English Edition) 2017年 第4期91卷 1264-1269页
作者: akram ALIZADEH Fayezeh JANGJOO Department of Geology Faculty of Science Urmia University Urmia 57153-165 Iran
Ancient subduction zones are characterized by metamorphic and orogenic belts. The Zagros Orogenic Belt comprises almost all sections of an ancient subduction zone along which Neo-Tethyan oceanic crust was subducted be... 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