咨询与建议

限定检索结果

文献类型

  • 100,419 篇 期刊文献
  • 5,813 篇 会议
  • 2,711 册 图书
  • 111 篇 学位论文
  • 13 篇 报纸

馆藏范围

  • 107,817 篇 电子文献
  • 1,301 种 纸本馆藏

日期分布

学科分类号

  • 49,200 篇 医学
    • 37,201 篇 临床医学
    • 5,210 篇 医学技术(可授医学...
    • 4,887 篇 基础医学(可授医学...
    • 3,884 篇 公共卫生与预防医...
    • 3,612 篇 护理学(可授医学、...
    • 3,490 篇 中西医结合
    • 2,542 篇 药学(可授医学、理...
  • 37,039 篇 工学
    • 9,321 篇 材料科学与工程(可...
    • 5,403 篇 化学工程与技术
    • 5,290 篇 生物医学工程(可授...
    • 3,877 篇 计算机科学与技术...
    • 3,874 篇 机械工程
    • 3,286 篇 电子科学与技术(可...
    • 2,854 篇 力学(可授工学、理...
    • 2,709 篇 动力工程及工程热...
    • 2,627 篇 电气工程
    • 2,422 篇 环境科学与工程(可...
    • 2,351 篇 地质资源与地质工...
    • 2,106 篇 冶金工程
    • 1,977 篇 水利工程
  • 23,757 篇 理学
    • 6,498 篇 化学
    • 6,119 篇 物理学
    • 5,256 篇 生物学
    • 4,301 篇 数学
    • 2,200 篇 地质学
    • 2,093 篇 地球物理学
    • 1,996 篇 天文学
  • 8,146 篇 农学
    • 2,800 篇 作物学
  • 5,023 篇 管理学
    • 2,008 篇 管理科学与工程(可...
  • 3,402 篇 教育学
  • 3,180 篇 法学
  • 3,114 篇 经济学
    • 2,637 篇 应用经济学
  • 1,531 篇 文学
  • 563 篇 艺术学
  • 541 篇 历史学
  • 470 篇 哲学
  • 166 篇 军事学

主题

  • 1,157 篇 治疗
  • 1,152 篇 病人
  • 860 篇 ct
  • 813 篇 诊断
  • 699 篇 儿童
  • 681 篇 mri
  • 542 篇 患者
  • 494 篇 中国
  • 466 篇 of
  • 384 篇 美国
  • 358 篇 护理
  • 345 篇 mr
  • 318 篇 and
  • 236 篇 应用
  • 234 篇 疗效
  • 234 篇 预后
  • 233 篇 cancer
  • 216 篇 并发症
  • 211 篇 新生儿
  • 185 篇 大鼠

机构

  • 293 篇 中国人民公安大学
  • 229 篇 四川省人民医院
  • 207 篇 北京大学
  • 202 篇 上海第二医科大学...
  • 195 篇 中国人民大学
  • 147 篇 华中科技大学
  • 139 篇 山西农业大学
  • 134 篇 山西省人民医院
  • 122 篇 浙江省人民医院
  • 110 篇 四川大学
  • 103 篇 上海市第一人民医...
  • 103 篇 清华大学
  • 102 篇 北京大学人民医院
  • 95 篇 上海交通大学
  • 88 篇 新疆医科大学
  • 81 篇 山西省儿童医院
  • 79 篇 香港理工大学
  • 79 篇 复旦大学
  • 75 篇 山东大学
  • 68 篇 university of mi...

作者

  • 209 篇 叶鹏
  • 88 篇 刘莉
  • 85 篇 h.murayama
  • 85 篇 j.d.jackson
  • 85 篇 g.d'ambrosio
  • 85 篇 m.white
  • 69 篇 郭俊
  • 61 篇 china
  • 60 篇 mohamed s. el na...
  • 59 篇 朱国栋
  • 56 篇 王铮
  • 48 篇 唐光健
  • 46 篇 p.de jong
  • 42 篇 general administ...
  • 40 篇 people’s bank of...
  • 35 篇 李长根
  • 31 篇 曹国富
  • 30 篇 曾溢滔
  • 29 篇 余英豪
  • 28 篇 m.greco

语言

  • 71,655 篇 中文
  • 37,376 篇 英文
  • 19 篇 其他
  • 2 篇 日文
  • 1 篇 德文
  • 1 篇 法文
检索条件"作者=Abdullah s.AL-malaise AL-Ghamdi"
109067 条 记 录,以下是41-50 订阅
排序:
Deep Learning Based Face Mask Detection in Religious Mass Gathering During COVID-19 Pandemic
收藏 引用
Computer systems science & Engineering 2023年 第8期46卷 1863-1877页
作者: abdullah s.al-malaise al-ghamdi sultanah Malshammari Mahmoud Ragab Information systems Department Faculty of Computing and Information Technology King Abdulaziz UniversityJeddah21589Saudi Arabia Information systems Department HECI SchoolDar Alhekma UniversityJeddahSaudi Arabia Center of Excellence in smart Environment Research King Abdulaziz UniversityJeddah21589Saudi Arabia Department of Computer science Faculty of Computing and Information TechnologyKing Abdulaziz UniversityJeddah21589Saudi Arabia Information Technology Department Faculty of Computing and Information TechnologyKing Abdulaziz UniversityJeddah21589Saudi Arabia Department of Mathematics Faculty of ScienceAl-Azhar UniversityNaser CityCairo11884Egypt
Notwithstanding the religious intention of billions of devotees,the religious mass gathering increased major public health concerns since it likely became a huge super spreading event for the severe acute respiratory ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Numerical Exploration of Asymmetrical Impact Dynamics: Unveiling Nonlinearities in Collision Problems and Resilience of Reinforced Concrete structures
收藏 引用
structural Durability & Health Monitoring 2024年 第3期18卷 223-254页
作者: al-Bukhaiti Khalil Yanhui Liu shichun Zhao Daguang Han school of Civil Engineering Southwest Jiaotong UniversityChengdu610031China Faculty of Civil Engineering Southeast UniversityNanjingChina
This study provides a comprehensive analysis of collision and impact problems’ numerical solutions, focusing ongeometric, contact, and material nonlinearities, all essential in solving large deformation problems duri... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Assessment of plant diversity of endemic species of the saharo-Arabian region in Egypt
收藏 引用
Journal of Arid Land 2024年 第7期16卷 1000-1021,I0002-I0044页
作者: Asmaa s ABO HATAB Yassin M al-sODANY Kamal H s.alTOUT soliman A HAROUN Mohamed M EL-KHalAFY Botany and Microbiology Department Faculty of ScienceKafrelsheikh UniversityKafrelsheikh 33511Egypt Botany Department Faculty of ScienceTanta UniversityTanta 31527Egypt
savanna, semi-deserts, and hot deserts characterize the saharo-Arabian region, which includes Morocco, Mauretania, algeria, Tunisia, Libya, Egypt, Palestine, Kuwait, saudi Arabia, Qatar, Bahrain, the United Arab Emira... 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
Improving the utility of locally differentially private protocols for longitudinal and multidimensional frequency estimates
收藏 引用
Digital Communications and Networks 2024年 第2期10卷 369-379页
作者: Héber H.Arcolezi Jean-François Couchot Bechara al Bouna Xiaokui Xiao Inria andÉcole Polytechnique(IPP) PalaiseauFrance Femto-sT Institute Univ.Bourg.Franche-ComtéUBFCCNRSBelfortFrance TICKET Lab. Antonine University Hadat-BaabdaBaabdaLebanon school of Computing National University of SingaporeSingaporeSingapore
This paper investigates the problem of collecting multidimensional data throughout time(i.e.,longitudinal studies)for the fundamental task of frequency estimation under Local Differential Privacy(LDP)*** to frequency ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Problems and prospects of fish farming in the Chattogram Hill Tracts of Bangladesh:Community-based aquaculture might be a right choice
收藏 引用
Aquaculture and Fisheries 2024年 第2期9卷 306-313页
作者: saifuddin Rana MdNazmul Hasan Abdulla al Bari shahida Arfine shimul skIstiaque Ahmed sk.Ahmad al Nahid Department of Fisheries Resource Management Faculty of FisheriesChattogram Veterinary and Animal Sciences UniversityKhulshi4225ChattogramBangladesh Department of Oceanography University of ChittagongChittagong4331Bangladesh
The study was carried out in Matiranga Upazila,Bandarban district,which is considered one of Bangladesh’s major hill tract *** study aimed to identify present farming conditions,prospects,and problems and suitable so... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Numerical Treatments for Crossover Cancer Model of Hybrid Variable-Order Fractional Derivatives
收藏 引用
Computer Modeling in Engineering & sciences 2024年 第8期140卷 1619-1645页
作者: Nasser sweilam seham al-Mekhlafi Aya Ahmed Ahoud alsheri Emad Abo-Eldahab Mathematics Department Faculty of ScienceCairo UniversityGiza12613Egypt Mathematics Department Faculty of EducationSana’a UniversitySana’a1247Yemen Mathematics Department Faculty of ScienceHelwan UniversityCairo11795Egypt Department of Mathematics College of ScienceUniversity of BishaAl Namas67398-5644Saudi Arabia
In this paper,two crossover hybrid variable-order derivatives of the cancer model are ***ünwald-Letnikov approximation is used to approximate the hybrid fractional and variable-order fractional *** existence,uniquene... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Optimizing Connections:Applied shortest Path algorithms for MANETs
收藏 引用
Computer Modeling in Engineering & sciences 2024年 第10期141卷 787-807页
作者: Ibrahim alameri Jitka Komarkova Tawfik al-Hadhrami Abdulsamad Ebrahim Yahya Atef Gharbi Faculty of Medical sciences Jabir Ibn Hayyan Medical UniversityAlkufaNajaf54001Iraq Faculty of Economics and Administration University of PardubiceStudentskaPardubice53210Czech Republic Computer science Department School of Science and TechnologyNottingham Trent UniversityNottinghamNG118NSUK Department of Information Technology College of Computing and Information TechnologyNorthern Border UniversityArar91431Saudi Arabia Department of Information system College of Computing and Information TechnologyNorthern Border UniversityArar91431Saudi Arabia
This study is trying to address the critical need for efficient routing in Mobile Ad Hoc Networks(MANETs)from dynamic topologies that pose great challenges because of the mobility of *** objective was to delve into an... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Digital Text Document Watermarking Based Tampering Attack Detection via Internet
收藏 引用
Computer systems science & Engineering 2024年 第3期48卷 759-771页
作者: Manal abdullah alohali Muna Elsadig Fahd N.al-Wesabi Mesfer al Duhayyim Anwer Mustafa Hilal Abdelwahed Motwakel Department of Information systems College of Computer and Information SciencesPrincess Nourah bint Abdulrahman UniversityP.O.Box 84428Riyadh11671Saudi Arabia Department of Computer science College of Science&Art at MahayilKing Khalid UniversityAbha62217Saudi Arabia Department of Computer science College of Sciences and Humanities-AflajPrince Sattam bin Abdulaziz UniversityAl-Aflaj16733Saudi Arabia Department of Computer and self Development Preparatory Year DeanshipPrince Sattam bin Abdulaziz UniversityAlKharjSaudi Arabia
Owing to the rapid increase in the interchange of text information through internet networks,the reliability and security of digital content are becoming a major research *** detection,Content authentication,and integ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Efficient ECG classification based on Chi-square distance for arrhythmia detection
收藏 引用
Journal of Electronic science and Technology 2024年 第2期22卷 1-15页
作者: Dhiah al-shammary Mustafa Noaman Kadhim Ahmed M.Mahdi Ayman Ibaida Khandakar Ahmedb College of Computer science and Information Technology University of Al-QadisiyahAl Diwaniyah58001Iraq Intelligent Technology Innovation Lab Victoria UniversityMelbourne3011Australia
This study introduces a new classifier tailored to address the limitations inherent in conventional classifiers such as K-nearest neighbor(KNN),random forest(RF),decision tree(DT),and support vector machine(sVM)for ar... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Tuberculosis-diabetes comorbidities: Mechanistic insights for clinical considerations and treatment challenges
收藏 引用
World Journal of Diabetes 2024年 第5期15卷 853-866页
作者: Md Abdul alim al-Bari Nicholas Peake Nabil Eid Department of Pharmacy University of RajshahiRajshahi 6205Bangladesh Biosciences and Chemistry and Biomolecular Research Centre Sheffield Hallam UniversitySheffield S11WBUnited Kingdom Department of Anatomy Division of Human BiologySchool of MedicineInternational Medical UniversityKuala Lumpur 57000Malaysia
Tuberculosis(TB)remains a leading cause of death among infectious diseases,particularly in poor *** infections,multidrug-resistant and ex-tensively drug-resistant TB strains,as well as the coexistence of chronic illne... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论