咨询与建议

限定检索结果

文献类型

  • 6,731 篇 期刊文献
  • 361 篇 学位论文
  • 153 篇 会议
  • 12 册 图书
  • 1 篇 报纸

馆藏范围

  • 7,250 篇 电子文献
  • 8 种 纸本馆藏

日期分布

学科分类号

  • 2,987 篇 医学
    • 2,461 篇 临床医学
    • 166 篇 中西医结合
    • 156 篇 公共卫生与预防医...
    • 121 篇 中药学(可授医学、...
    • 92 篇 药学(可授医学、理...
  • 2,638 篇 工学
    • 466 篇 计算机科学与技术...
    • 436 篇 材料科学与工程(可...
    • 384 篇 化学工程与技术
    • 284 篇 电子科学与技术(可...
    • 201 篇 软件工程
    • 191 篇 机械工程
    • 186 篇 控制科学与工程
    • 145 篇 电气工程
    • 144 篇 仪器科学与技术
    • 136 篇 环境科学与工程(可...
    • 120 篇 动力工程及工程热...
    • 106 篇 地质资源与地质工...
    • 101 篇 信息与通信工程
    • 90 篇 土木工程
    • 88 篇 力学(可授工学、理...
    • 86 篇 建筑学
  • 1,325 篇 理学
    • 381 篇 数学
    • 370 篇 化学
    • 185 篇 物理学
    • 111 篇 生物学
  • 534 篇 农学
    • 172 篇 作物学
    • 95 篇 农业资源与环境
    • 86 篇 畜牧学
  • 311 篇 管理学
    • 214 篇 管理科学与工程(可...
  • 210 篇 经济学
    • 196 篇 应用经济学
  • 103 篇 文学
  • 77 篇 法学
  • 68 篇 教育学
  • 17 篇 艺术学
  • 13 篇 哲学
  • 13 篇 军事学
  • 5 篇 历史学

主题

  • 128 篇 deep learning
  • 92 篇 and
  • 72 篇 covid-19
  • 61 篇 liver
  • 60 篇 analysis
  • 50 篇 children
  • 48 篇 optimization
  • 45 篇 cancer
  • 43 篇 diabetes
  • 42 篇 hepatitis
  • 41 篇 treatment
  • 39 篇 model
  • 37 篇 antioxidant
  • 37 篇 thermal
  • 37 篇 artificial intel...
  • 36 篇 pakistan
  • 34 篇 saudi
  • 33 篇 properties
  • 33 篇 acute
  • 32 篇 adsorption

机构

  • 69 篇 department of co...
  • 26 篇 university of ch...
  • 25 篇 吉林大学
  • 23 篇 department of in...
  • 21 篇 华南理工大学
  • 20 篇 浙江大学
  • 18 篇 东南大学
  • 18 篇 哈尔滨工业大学
  • 17 篇 湖南大学
  • 17 篇 华北电力大学
  • 16 篇 华中科技大学
  • 15 篇 laboratory of pl...
  • 15 篇 山东大学
  • 14 篇 department of co...
  • 14 篇 department of ph...
  • 14 篇 faculty of compu...
  • 14 篇 department of ma...
  • 13 篇 兰州理工大学
  • 13 篇 department of co...
  • 13 篇 division of gast...

作者

  • 44 篇 abdelwahed motwa...
  • 37 篇 tasawar hayat
  • 28 篇 ishfaq yaseen
  • 26 篇 abu sarwar zaman...
  • 26 篇 aijaz ahmed
  • 24 篇 ahmed alkhayyat
  • 22 篇 ali raza
  • 22 篇 manar ahmed hamz...
  • 21 篇 irfan ahmed
  • 18 篇 shakeel ahmed
  • 16 篇 ahmed halawa
  • 16 篇 mohammed rizwanu...
  • 15 篇 imran khan
  • 15 篇 ahmed alsaedi
  • 14 篇 dumitru baleanu
  • 14 篇 radwa marzouk
  • 13 篇 alain badoc
  • 12 篇 mohamed k.nour
  • 12 篇 ayman el nakeeb
  • 12 篇 s.wageh

语言

  • 6,057 篇 英文
  • 1,201 篇 中文
检索条件"作者=Ahmed alakedi"
7258 条 记 录,以下是21-30 订阅
排序:
Utilizing N-hydroxy-9-octadecenamide as a collector in flotation separation of bastnaesite and fluorite
收藏 引用
Journal of Rare Earths 2024年 第8期42卷 1620-1628,I0008页
作者: Zhihao Guo Sultan ahmed Khoso Mengjie Tian Wei Sun School of Minerals Processing and Bioengineering Central South UniversityChangsha410083China State Key Laboratory of Mineral Processing Beijing102600China Hubei Key Laboratory for Efficient Utilization and Agglomeration of Metallurgic Mineral Resources Wuhan430081China Key Laboratoryof Hunan Province for Cleanand Efficient Utilization of Strategic Calcium-containing Mineral Resources Central South UniversityChangsha410083China Department of Mining Engineering Mehran University of Engineering&TechnologyJamshoro76062Pakistan
Bastnaesite((Ce,La,Pr,Nd)CO_(3)F) is a significant light rare earth mineral found in nature,known for its fine-grained *** is commonly employed for the recovery of fine-grained bastnaesite *** serve as an essential fl... 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
Blockchain for secure and decentralized artificial intelligence in cybersecurity: A comprehensive review
收藏 引用
Blockchain(Research and Applications) 2024年 第3期5卷 184-208页
作者: ahmed M.Shamsan Saleh Department of Information Technology University of TabukTabuk47512Saudi Arabia
As the use of artificial intelligence (AI) grows within the field of cybersecurity, so does the demand for secure and decentralized AI systems to protect against potential cyber threats. Blockchain technology has emer... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Enhancing Indoor User Localization:An Adaptive Bayesian Approach for Multi-Floor Environments
收藏 引用
Computers, Materials & Continua 2024年 第8期80卷 1889-1905页
作者: Abdulraqeb Alhammadi Zaid ahmed Shamsan Arijit De Center for Artificial Intelligence and Robotics(CAIRO) Malaysia-Japan International Institute of TechnologyUniversiti Teknologi MalaysiaKuala Lumpur54100Malaysia Department of Electrical Engineering College of EngineeringImam Mohammad Ibn Saud Islamic University(IMSIU)Riyadh11432Saudi Arabia Department of Information Engineering Electronics and TelecommunicationsSapienza UniversityRome00185Italy
Indoor localization systems are crucial in addressing the limitations of traditional global positioning system(GPS)in indoor environments due to signal attenuation *** complex indoor spaces become more sophisticated,i... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
A Hybrid Classification and Identification of Pneumonia Using African Buffalo Optimization and CNN from Chest X-Ray Images
收藏 引用
Computer Modeling in Engineering & Sciences 2024年 第3期138卷 2497-2517页
作者: Nasser Alalwan ahmed I.Taloba Amr Abozeid ahmed Ibrahim Alzahrani Ali H.Al-Bayatti Computer Science Department Community CollegeKing Saud UniversityRiyadh11437Saudi Arabia Information System Department Faculty of Computers and InformationAssiut UniversityAssiutEgypt Mathematics Department Faculty of ScienceAl-Azhar UniversityCairoEgypt Cyber Technology Institute(CTI) De Montfort UniversityLeicesterUK
An illness known as pneumonia causes inflammation in the *** there is so much information available fromvarious X-ray images,diagnosing pneumonia has typically proven *** improve image quality and speed up the diagnos... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Higgs inflation model with non-minimal coupling in hybrid Palatini approach
收藏 引用
Chinese Physics C 2024年 第4期48卷 193-201页
作者: Brahim Asfour Aatifa Bargach ahmed Errahmani Taoufik Ouali Laboratory of Physics of Matter and Radiation University of Mohammed firstBP 717OujdaMorocco
In this paper,we propose a hybrid metric Palatini approach in which the Palatini scalar curvature is non minimally coupled to the scalar *** derive Einstein’s field equations,i.e.,the equations of motion of the scala... 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 Hybrid Model for Improving Software Cost Estimation in Global Software Development
收藏 引用
Computers, Materials & Continua 2024年 第1期78卷 1399-1422页
作者: Mehmood ahmed Noraini B.Ibrahim Wasif Nisar Adeel ahmed Muhammad Junaid Emmanuel Soriano Flores Divya Anand Faculty of Computer Science and Information Technology Universiti Tun Hussein Onn Malaysia Parit RajaBatu Pahat86400Malaysia Department of Computer Science COMSATS University Wah Cantt CampusIslamabad47010Pakistan Department of Information Technology The University of HaripurKhyber Pakhtunkhwa22620Pakistan Engineering Research Innovation Group Universidad Europea del AtlanticoSantander39011Spain
Accurate software cost estimation in Global Software Development(GSD)remains challenging due to reliance on historical data and expert *** models,such as the Constructive Cost Model(COCOMO II),rely heavily on historic... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Flavone improves liver damage in nicotine-exposed rats via the Nrf2/HO-1 pathway
收藏 引用
Asian Pacific Journal of Tropical Biomedicine 2024年 第8期14卷 341-349页
作者: Nora A.Elsayed Fatma SM Moawed Esraa SA ahmed ahmed Hammad Omayma AR Abo-Zaid Biochemistry and Molecular Biology Department Faculty of Vet.Med.Benha UniversityBenha cityEgypt Health Radiation Research National Center for Radiation Research and TechnologyEgyptian Atomic Energy AuthorityCairoEgypt Radiation Biology Department National Center for Radiation Research and TechnologyEgyptian Atomic Energy AuthorityCairoEgypt
Objective:To assess the hepatoprotective effects of flavone on nicotine-induced liver ***:Thirty-six rats were allocated into six groups:the control group,the nicotine group,the flavone alone groups(10 and 25 mg/kg/bo... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Improved Manta Ray Foraging Optimizer-based SVM for Feature Selection Problems:A Medical Case Study
收藏 引用
Journal of Bionic Engineering 2024年 第1期21卷 409-425页
作者: Adel Got Djaafar Zouache Abdelouahab Moussaoui Laith Abualigah ahmed Alsayat Faculty of informatics University of Science and Technology Houari BoumedieneAlgiersAlgeria LRIA Laboratory University of Science and Technology Houari BoumedieneAlgiersAlgeria Computer Science Department University of Mohamed El Bachir El IbrahimiBordj Bou ArreridjAlgeria Computer Science Department University of Ferhat AbbasSetifAlgeria Computer Science Department Prince Hussein Bin Abdullah Faculty for Information TechnologyAl al-Bayt UniversityMafraq 25113Jordan Department of Computer Science College of Computer and Information SciencesJouf UniversityJoufSaudi Arabia Department of Electrical and Computer Engineering Lebanese American University13-5053ByblosLebanon Hourani Center for Applied Scientific Research Al-Ahliyya Amman UniversityAmman 19328Jordan MEU Research Unit Middle East UniversityAmman 11831Jordan Applied science research center Applied science private universityAmman 11931Jordan School of Computer Sciences Universiti Sains Malaysia11800 PenangMalaysia School of Engineering and Technology Sunway University Malaysia27500 Petaling JayaMalaysia
Support Vector Machine(SVM)has become one of the traditional machine learning algorithms the most used in prediction and classification ***,its behavior strongly depends on some parameters,making tuning these paramete... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Analysis of Progressively Type-Ⅱ Inverted Generalized Gamma Censored Data and Its Engineering Application
收藏 引用
Computer Modeling in Engineering & Sciences 2024年 第10期141卷 459-489页
作者: Refah Alotaibi Sanku Dey ahmed Elshahhat Department of Mathematical Sciences College of SciencePrincess Nourah bint Abdulrahman UniversityP.O.Box 84428Riyadh11671Saudi Arabia Department of Statistics St.Anthony’s CollegeShillong793001India Faculty of Technology and Development Zagazig UniversityZagazig44519Egypt
A novel inverted generalized gamma(IGG)distribution,proposed for data modelling with an upside-down bathtub hazard rate,is *** many real-world practical situations,when a researcher wants to conduct a comparative stud... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Evaluating mechanism of banana pseudo-stem retting using seawater:A cost-effective surface pre-treatment approach
收藏 引用
Journal of Bioresources and Bioproducts 2024年 第3期9卷 322-335页
作者: Prince Hotor ahmed H.Hassanin Osbert Akatwijuka Mohamed A.H.Gepreel Mitsuo Yamamoto Yukie Saito ahmed Abdel-Mawgood Egypt-Japan University of Science and Technology Biotechnology ProgramAlexandria GovernorateNew Borg Al Arab 21934Egypt Alexandria University Department of Textile EngineeringAlexandria GovernorateBab Sharqi 5424041Egypt Egypt-Japan University of Science and Technology Material Science and EngineeringAlexandria GovernorateNew Borg Al Arab 21934Egypt Graduate School of Agricultural and Life Sciences The University of TokyoBunkyo-KuTokyo 113-8657Japan
Retting has been employed to extract natural fibers from agricultural wastes as a biological and cost-effective approach for *** its global abundance,banana pseudo-stem is a promising agro-waste for lignocellulosic fi... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论