咨询与建议

限定检索结果

文献类型

  • 10,307 篇 期刊文献
  • 469 篇 学位论文
  • 302 篇 会议
  • 18 册 图书

馆藏范围

  • 11,085 篇 电子文献
  • 11 种 纸本馆藏

日期分布

学科分类号

  • 4,431 篇 工学
    • 837 篇 材料科学与工程(可...
    • 754 篇 化学工程与技术
    • 609 篇 计算机科学与技术...
    • 405 篇 电子科学与技术(可...
    • 317 篇 机械工程
    • 273 篇 软件工程
    • 268 篇 控制科学与工程
    • 229 篇 仪器科学与技术
    • 221 篇 动力工程及工程热...
    • 218 篇 电气工程
    • 198 篇 环境科学与工程(可...
    • 187 篇 地质资源与地质工...
    • 169 篇 力学(可授工学、理...
    • 157 篇 土木工程
    • 152 篇 信息与通信工程
  • 3,724 篇 医学
    • 2,906 篇 临床医学
    • 275 篇 中西医结合
    • 218 篇 公共卫生与预防医...
    • 183 篇 药学(可授医学、理...
    • 175 篇 中药学(可授医学、...
  • 2,399 篇 理学
    • 609 篇 数学
    • 514 篇 化学
    • 348 篇 物理学
    • 236 篇 生物学
    • 200 篇 大气科学
  • 1,043 篇 农学
    • 292 篇 作物学
    • 174 篇 农业资源与环境
    • 159 篇 植物保护
  • 493 篇 管理学
    • 307 篇 管理科学与工程(可...
  • 364 篇 经济学
    • 342 篇 应用经济学
  • 157 篇 文学
  • 150 篇 教育学
  • 119 篇 法学
  • 56 篇 艺术学
  • 22 篇 历史学
  • 11 篇 哲学
  • 11 篇 军事学

主题

  • 102 篇 analysis
  • 102 篇 deep learning
  • 80 篇 optimization
  • 64 篇 and
  • 54 篇 diabetes
  • 52 篇 iran
  • 48 篇 simulation
  • 48 篇 mortality
  • 48 篇 liver
  • 47 篇 network
  • 46 篇 pakistan
  • 45 篇 control
  • 44 篇 management
  • 40 篇 diagnosis
  • 40 篇 yield
  • 38 篇 acid
  • 37 篇 antioxidant
  • 37 篇 machine learning
  • 34 篇 power
  • 33 篇 properties

机构

  • 43 篇 新疆农业大学
  • 35 篇 university of ch...
  • 34 篇 中国农业科学院蔬...
  • 32 篇 山东大学
  • 31 篇 塔克拉玛干沙漠大...
  • 27 篇 东南大学
  • 27 篇 中国气象局乌鲁木...
  • 24 篇 南京农业大学
  • 23 篇 吉林大学
  • 23 篇 华北电力大学
  • 20 篇 school of scienc...
  • 20 篇 新疆大学
  • 19 篇 北京交通大学
  • 19 篇 department of ge...
  • 19 篇 上海交通大学
  • 19 篇 中国科学技术大学
  • 19 篇 中国科学院大学
  • 19 篇 天津大学
  • 19 篇 南京信息工程大学
  • 18 篇 浙江大学

作者

  • 78 篇 ali raza
  • 70 篇 柴阿丽
  • 64 篇 谢学文
  • 62 篇 muhammad ali
  • 50 篇 霍文
  • 45 篇 amjad ali
  • 40 篇 nadhir al-ansari
  • 25 篇 杨帆
  • 24 篇 ali h.bahkali
  • 24 篇 李宝聚
  • 23 篇 imran khan
  • 23 篇 arshad ali
  • 23 篇 金莉莉
  • 20 篇 dumitru baleanu
  • 19 篇 ilyas khan
  • 19 篇 hassam ali
  • 18 篇 李阿利
  • 18 篇 ali esamdin
  • 18 篇 石延霞
  • 17 篇 farman ali

语言

  • 8,223 篇 英文
  • 2,873 篇 中文
检索条件"作者=SHAHID ahmad Ali"
11096 条 记 录,以下是1-10 订阅
排序:
Barley chitinase genes expression revamp resistance against whitefly (Bemisia Tabaci) in transgenic cotton (Gossypium hirsutum L.)
收藏 引用
Journal of Cotton Research 2024年 第1期7卷 90-100页
作者: BASHIR Samina YAQOOB Amina BASHIR Rohina BUKHARI Shanila shahid Naila AZAM Saira BAKHSH Allah HUSNAIN Tayyab shahid ahmad ali RAO Abdul Qayyum Centre of Excellence in Molecular Biology University of the PunjabLahore 53700Pakistan Department of Botany Kinnaird College for Women UniversityLahore 54000Pakistan Department of Botany Government College UniversityFaisalabad 38000Pakistan Institute of Botany University of the PunjabLahore 54590Pakistan.
Background Chitinase is an enzyme that hydrolyzes chitin,a major component of the exoskeleton of insects,including plant pests like *** present study aimed to investigate the expression of chemically synthesized barle... 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
Experimental Study on Heat Storage Properties Comparison of Paraffin/Metal Foams Phase Change Material Composites
收藏 引用
Journal of Thermal Science 2024年 第2期33卷 469-478页
作者: Waqar AHMED Abid HUSSAIN Hanzla shahid Imran ali Hafiz Muhammad ali Department of Mechanical Engineering University of Engineering and TechnologyTaxila47080Pakistan Department of Mechanical Engineering Institute of Space TechnologyIslamabadPakistan Department of Mechanical Mechatronics and Manufacturing EngineeringUniversity of Engineering and Technology LahoreFaisalabad CampusPunjabPakistan Mechanical Engineering Department King Fahd University of Petroleum and MineralsDhahran31261Saudi Arabia Interdisciplinary Research Center for Renewable Energy and Power Systems(IRC-REPS) King Fahd University of Petroleum and MineralsDhahran31261Saudi Arabia
Heat storage properties of phase change materials(PCMs) are essential characteristics that perform a key role in thermal heat energy storage *** thermal properties of PCMs can be improved by developing metal foam/PCM ... 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
Probing the Efficiency of PPMG-Based Composite Electrolytes for Applications of Proton Exchange Membrane Fuel Cell
收藏 引用
Transactions of Tianjin University 2024年 第3期30卷 262-283页
作者: Shakeel Ahmed Faizah Altaf Safyan Akram Khan Sumaira Manzoor Aziz ahmad Muhammad Mansha shahid ali Ata-ur-Rehman Karl Jacob School of Material Science and Engineering Henan International Joint Laboratory of Nano-Photoelectric Magnetic MaterialsHenan University of TechnologyZhengzhou 450001China Interdisciplinary Research Center for Hydrogen Technologies and Carbon Management King Fahd University of Petroleum and Minerals31261 DhahranSaudi Arabia School of Materials Science and Engineering Georgia Institute of TechnologyAtlantaGA 30332USA
PPMG-based composite electrolytes were fabricated via the solution method using the polyvinyl alcohol and polyvinylpyrrolidone blend reinforced with various contents of sulfonated inorganic *** acid was employed as th... 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
Ovule number as a rising star for regulating seed yield: Hope or hype
收藏 引用
Journal of Integrative Agriculture 2024年 第11期23卷 3623-3640页
作者: shahid Ullah Khan ahmad ali Sumbul Saeed Yonghai Fan ali Shehazd Hameed Gul Shah Fahad Kun Lu Integrative Science Center of Germplasm Creation in Western China (Chongqing) Science City and Southwest University College of Agronomy and BiotechnologySouthwest University Engineering Research Center of South Upland Agriculture Ministry of Education Women Medical and Dental College Khyber Medical University National Key Laboratory of Crop Genetic Improvement Huazhong Agricultural University School of Environment and Science Griffith University College of Agronomy and Biotechnology Southwest University Department of Agronomy Abdul Wali Khan University Mardan Department of Natural Sciences Lebanese American University
Rapeseed(Brassica napus L.) is the second most widely grown premium oilseed crop globally, mainly for its vegetable oil and protein meal. One of the main goals of breeders is producing high-yield rapeseed cultivars wi... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
M_(4)X_(3) MXenes:Application in Energy Storage Devices
收藏 引用
Nano-Micro Letters 2024年 第10期16卷 522-542页
作者: Iftikhar Hussain Waqas Ul Arifeen shahid ali Khan Sikandar Aftab Muhammad Sufyan Javed Sajjad Hussain Muhammad ahmad Xi Chen Jiyun Zhao PRosaiah Khaled Fahmi Fawy Adnan Younis Sumanta Sahoo Kaili Zhang Department of Mechanical Engineering City University of Hong Kong83 Tat Chee AvenueKowloon TongHong KongPeople's Republic of China School of Mechanical Engineering Yeungnam UniversityDaehak-roGyeongsan-siGyeongbuk-do 38541South Korea Department of Semiconductor Systems Engineering and Clean Energy Sejong UniversitySeoul 05006Republic of Korea School of Physical Science and Technology Lanzhou UniversityLanzhou 730000People's Republic of China Department of Nanotechnology and Advanced Materials Engineering Sejong UniversitySeoul 05006Republic of Korea Department of Physics Saveetha School of EngineeringSaveetha Institute of Medical and Technical Sciences(SIMATS)ThandalamChennai 602105India Department of Chemistry Faculty of ScienceKing Khalid UniversityP.O.Box 900461413 AbhaSaudi Arabia Department of Physics College of ScienceUnited Arab Emirates UniversityP.O.Box 15551Al-AinUnited Arab Emirates School of Chemical Engineering Yeungnam UniversityGyeongsanGyeongbuk 38541South Korea
MXene has garnered widespread recognition in the scientific com-munity due to its remarkable properties,including excellent thermal stability,high conductivity,good hydrophilicity and dispersibility,easy processabilit... 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
Solution approximations for a mathematical model of relativistic electrons with beta derivative
收藏 引用
Applied Mathematics(A Journal of Chinese Universities) 2024年 第3期39卷 469-485页
作者: Ibrahim Yalcinkaya Orkun Tasbozan ali Kurt Hijaz ahmad Department of Mathematics and Computer Sciences Faculty of ScienceNecmettin Erbakan UniversityKonyaTurkey Department of Mathematics Faculty of Science and LiteratureHatay Mustafa Kemal UniversityHatayTurkey Department of Mathematics Faculty of SciencePamukkale UniversityDenizliTurkey Near East University Operational Research Center in HealthcareTRNC Mersin 10Nicosia99138Turkey Department of Mathematics Faculty of ScienceIslamic University of MadinahMadinahSaudi Arabia
The main aim of this paper is to obtain the exact and semi-analytical solutions of the nonlinear Klein-Fock-Gordon(KFG)equation which is a model of relativistic electrons arising in the laser thermonuclear fusion with... 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
Soliton solutions for nonlinear variable-order fractional Korteweg-de Vries(KdV)equation arising in shallow water waves
收藏 引用
Journal of Ocean Engineering and Science 2024年 第1期9卷 50-58页
作者: Umair ali Hijaz ahmad Hanaa Abu-Zinadah Department of Applied Mathematics and Statistics Institute of Space TechnologyP.O.Box 2750Islamabad 44000Pakistan Near East University Operational Research Center in HealthcareNear East BoulevardPC:99138 Nicosia/Mersin 10Turkey Section of Mathematics International Telematic University UninettunoCorso Vittorio Emanuele II3900186 RomaItaly University of Jeddah College of ScienceDepartment of StatisticsJeddahSaudi Arabia
Nonlinear fractional differential equations provide suitable models to describe real-world phenomena and many fractional derivatives are varying with time and *** present study considers the advanced and broad spectru... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Accelerated Particle Swarm Optimization Algorithm for Efficient Cluster Head Selection in WSN
收藏 引用
Computers, Materials & Continua 2024年 第6期79卷 3585-3629页
作者: Imtiaz ahmad Tariq Hussain Babar Shah Altaf Hussain Iqtidar ali Farman ali Institute of Computer Sciences and Information Technology The University of AgriculturePeshawarPakistan School of Computer Science and Technology Zhejiang Gongshang UniversityHangzhouChina College of Technological Innovation Zayed UniversityDubaiUnited Arab Emirates School of Computer Science and Technology Chongqing University of Posts and TelecommunicationsChongqing400065China Department of Applied AI School of ConvergenceCollege of Computing and InformaticsSungkyunkwan UniversitySeoul03063South Korea
Numerous wireless networks have emerged that can be used for short communication ranges where the infrastructure-based networks may fail because of their installation and *** of them is a sensor network with embedded ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Robust design of sliding mode control for airship trajectory tracking with uncertainty and disturbance estimation
收藏 引用
Journal of Systems Engineering and Electronics 2024年 第1期35卷 242-258页
作者: WASIM Muhammad ali Ahsan CHOUDHRY Mohammad ahmad SHAIKH Inam Ul Hasan SALEEM Faisal Department of Aeronautics and Astronautics Engineering Institute of Space TechnologyIslamabad 44000Pakistan Department of Electrical Engineering University of Engineering and TechnologyTaxila 47080Pakistan Department of Measurements and Control Systems Silesian University of TechnologyGliwice 44-101Poland The Joint Doctoral School Silesian University of TechnologyGliwice 44-100Poland
The robotic airship can provide a promising aerostatic platform for many potential *** applications require a precise autonomous trajectory tracking control for *** has a nonlinear and uncertain *** is prone to wind d... 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
Mechanistic insights toward identification and interaction of plant parasitic nematodes:A review
收藏 引用
Soil Ecology Letters 2024年 第1期6卷 11-27页
作者: Bisma Jan ali Haider Shah Mudasir ahmad Bhat Arif Tasleem Jan Ishfaq ahmad Wani ali Asghar Shah Section of Microbiology Baba Ghulam Shah Badshah UniversityRajouriJ&K185234India Department of Biotechnology Baba Ghulam Shah Badshah University RajouriJ&K185234India Department of Botany Baba Ghulam Shah Badshah University RajouriJ&K185234India Department of Zoology School of Biosciences and BiotechnologyBaba Ghulam Shah Badshah University RajouriJ&K185234India
Nematode identification serves as an important param-eter to study their behaviour,importance and *** of classical morphometric based identifica-tion methods prove to be lacking due to insufficient knowledge on morpho... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论