咨询与建议

限定检索结果

文献类型

  • 3,980 篇 期刊文献
  • 134 篇 学位论文
  • 94 篇 会议
  • 1 册 图书

馆藏范围

  • 4,208 篇 电子文献
  • 1 种 纸本馆藏

日期分布

学科分类号

  • 1,775 篇 医学
    • 1,510 篇 临床医学
    • 87 篇 中西医结合
    • 81 篇 公共卫生与预防医...
    • 70 篇 中药学(可授医学、...
  • 1,468 篇 工学
    • 306 篇 计算机科学与技术...
    • 249 篇 材料科学与工程(可...
    • 223 篇 化学工程与技术
    • 159 篇 软件工程
    • 133 篇 电子科学与技术(可...
    • 112 篇 控制科学与工程
    • 93 篇 机械工程
    • 79 篇 地质资源与地质工...
    • 72 篇 仪器科学与技术
    • 70 篇 环境科学与工程(可...
    • 64 篇 动力工程及工程热...
    • 58 篇 电气工程
    • 55 篇 信息与通信工程
    • 50 篇 力学(可授工学、理...
    • 43 篇 建筑学
  • 822 篇 理学
    • 290 篇 数学
    • 208 篇 化学
    • 96 篇 物理学
    • 68 篇 生物学
    • 48 篇 地质学
  • 297 篇 农学
    • 78 篇 作物学
    • 50 篇 农业资源与环境
    • 45 篇 兽医学
  • 176 篇 管理学
    • 116 篇 管理科学与工程(可...
  • 121 篇 经济学
    • 113 篇 应用经济学
  • 57 篇 文学
  • 53 篇 教育学
    • 43 篇 教育学
  • 39 篇 法学
  • 13 篇 艺术学
  • 6 篇 历史学
  • 5 篇 哲学
  • 4 篇 军事学

主题

  • 53 篇 covid-19
  • 46 篇 cancer
  • 45 篇 of
  • 42 篇 deep learning
  • 40 篇 machine learning
  • 34 篇 children
  • 32 篇 diabetes
  • 31 篇 and
  • 29 篇 disease
  • 28 篇 properties
  • 28 篇 liver
  • 27 篇 analysis
  • 26 篇 sudan
  • 25 篇 optimization
  • 24 篇 antioxidant
  • 23 篇 niger
  • 23 篇 mortality
  • 22 篇 prevalence
  • 22 篇 model
  • 21 篇 acid

机构

  • 67 篇 新疆大学
  • 24 篇 department of co...
  • 23 篇 computer enginee...
  • 19 篇 department of co...
  • 19 篇 faculty of artif...
  • 18 篇 马来西亚理科大学
  • 17 篇 department of co...
  • 14 篇 department of co...
  • 13 篇 department of in...
  • 13 篇 department of in...
  • 13 篇 statistical rese...
  • 12 篇 department of co...
  • 12 篇 吉林大学
  • 12 篇 department of ma...
  • 11 篇 华北电力大学
  • 10 篇 department of in...
  • 10 篇 南京农业大学
  • 10 篇 department of el...
  • 10 篇 department elect...
  • 9 篇 department of ph...

作者

  • 43 篇 吐尔根.依布拉音
  • 34 篇 fathi e.abd el-s...
  • 27 篇 el-sayed m.el-ke...
  • 24 篇 walid el-shafai
  • 23 篇 osamah ibrahim k...
  • 20 篇 naglaa f.soliman
  • 20 篇 abdelhameed ibra...
  • 18 篇 abdelaziz a.abde...
  • 17 篇 田生伟
  • 17 篇 doaa sami khafag...
  • 16 篇 禹龙
  • 14 篇 abeer d.algarni
  • 13 篇 rabha w.ibrahim
  • 13 篇 mohtar ibrahim
  • 13 篇 pierre togo
  • 13 篇 a.m.abd-alla
  • 12 篇 karamoko sacko
  • 12 篇 mohamed hamdy ib...
  • 12 篇 adama dembélé
  • 12 篇 艾山.吾买尔

语言

  • 3,543 篇 英文
  • 666 篇 中文
检索条件"作者=Ibrahim.A.Abd El-m.ghith"
4209 条 记 录,以下是1-10 订阅
排序:
Solid Waste management:A mADm Approach Using Fuzzy Parameterized Possibility Single-Valued Neutrosophic Hypersoft Expert Settings
收藏 引用
Computer modeling in Engineering & Sciences 2025年 第1期142卷 531-553页
作者: Tmader Alballa muhammad Ihsan Atiqe Ur Rahman Noorah Ayed Alsorayea Hamiden abd el-Wahed Khalifa Department of mathematics College of SciencesPrincess Nourah bint Abdulrahman UniversityRiyadh11671Saudi Arabia 2 Department of mathematics University of Management and TechnologyLahore54000Pakistan Department of mathematics College of ScienceQassim UniversityBuraydah51452Saudi Arabia
The dramatic rise in the number of people living in cities has made many environmental and social problems *** search for a productive method for disposing of solid waste is the most notable of these *** scholars have... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Wear properties of copper and copper composites powders consolidated by high-pressure torsion
收藏 引用
Friction 2020年 第2期8卷 433-450页
作者: mohamed ibrahim abd el AAL mechanical Engineering Department College of EngineeringPrince Sattam Bin Abdulaziz UniversityWadi Addawaser 11991Saudi Arabia mechanical Design&Production Department Faculty of EngineeringZagazig UniversityZagazig 44519Egypt
The wear characteristics of Cu and Cu-SiC composite microsize powders consolidated by cold com­paction combined with sintering or high-pressure torsion(HPT)were *** HPT processed(HPTed)samples with bimodal and trimoda... 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
Physio-biochemical and nutrient constituents of peanut plants under bentazone herbicide for broad-leaved weed control and water regimes in dry land areas
收藏 引用
Journal of Arid Land 2020年 第4期12卷 630-639页
作者: Hani S SAUDY ibrahim m elmETWALLY Goma A abd el–SAmAD Agronomy Department Faculty of AgricultureAin Shams University68–Hadayek Shoubra 11241CairoEgypt Botany Departments National Research CentreEl–Behos St.Dokki 12622CairoEgypt
The abundance of broad-leaved weeds in peanut fields represents the handicap in weed management programs, since limited specific herbicides can be recommended to control them. moreover, the physio-biochemical constitu... 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
Optimizing the Preparation Parameters of Nanocrystalline Zirconia for Catalytic Applications
收藏 引用
Acta metallurgica Sinica(English Letters) 2013年 第5期26卷 565-573页
作者: m.m.abd el-Latif m.S.Showman A.m.ibrahim m.m.Soliman Fabrication Technology Department Advanced Technology and New Materials Research Institute(ATNMRI) City of Scientific Research and Technological Applications (SRTA-City) Dharyya Colleges for Science and Atrs Qassim University Surface Chemistry and Catalysis Laboratory Physical Chemistry Department National Research Center Department of materials Science Institute of Graduate Studies and Research Alexandria University
Nanocrystalline zirconia powder with high surface area and high tetragonal phase percentage is prepared by the precipitation method using ammonium hydroxide as a precipitating agent. The pH of precipitation, preparati... 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
Wireless Sensor Networks Routing Attacks Prevention with Blockchain and Deep Neural Network
收藏 引用
Computers, materials & Continua 2022年 第3期70卷 6127-6140页
作者: mohamed Ali ibrahim.a.abd el-m.ghith mohamed N.el-Derini Saad m.Darwish Higher Institute for Tourism Hotels and ComputerAl-SeyoufAlexandria21533Egypt Department of Information Technology Institute of Graduate Studies and ResearchAlexandria University21526Egypt Department of Computer and Systems Engineering Faculty of EngineeringAlexandria UniversityAlexandria21544Egypt
Routing is a key function inWireless Sensor Networks(WSNs)since it facilitates data transfer to base *** attacks have the potential to destroy and degrade the functionality ofWSNs.A trustworthy routing system is essen... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Physical Studies of Some Hydrazinobenzoic Acid Complexes
收藏 引用
Journal of materials Science & Technology 2005年 第1期21卷 140-144页
作者: m.G.abd el Wahed S.abd el Wanees m.el Gamel S.abd el Haleem Faculty of Science Zagazig University Zagazig EgyptFaculty of Science Zagazig University Zagazig EgyptFaculty of Science Zagazig University Zagazig EgyptFaculty of Science Zagazig University Zagazig Egypt
The stability constants of complexes of 2-hydrazinobenzoic acid and 4-hydrazinobenzoic acid with Ni (Ⅱ), Cu (Ⅱ), Zn (Ⅱ), Cd (Ⅱ), and Hg (Ⅱ) were determined potentiometricaIly at different temperatures. The thermo... 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
mathematical morphology View of Topological Rough Sets and Its Applications
收藏 引用
Computers, materials & Continua 2023年 第3期74卷 6893-6908页
作者: ibrahim Noaman abd el Fattah el Atik Tamer medhat manal E.Ali Department of mathematics Faculty of Science and Arts in Al-MandaqAl-Baha UniversityKingdom of Saudi Arabia Department of mathematics Faculty of ScienceTanta UniversityTantaEgypt Department of electrical Engineering Faculty of EngineeringKafrelsheikh UniversityKafrelsheikh33516Egypt Department of Physics and Engineering mathematics Faculty of EngineeringKafrelsheikh UniversityKafrelsheikh33516Egypt
This article focuses on the relationship between mathematical morphology operations and rough sets,mainly based on the context of image retrieval and the basic image correspondence *** morphological procedures and set... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Synthesis and reactions of 2-[α-(3,4-disubstituted phenacyl)-p-substituted styryl]-4H-3,1-benzoxazin-4-ones
收藏 引用
Chinese Journal of Chemistry 1996年 第5期14卷 437-446页
作者: SOLImAN,Ahmed Youssef ATTIA,ibrahim abd el-mogoud SALEm,moneer abdu ibrahim SOLImAN,el-SayedAhmed GABER,Adel mohy el-Deen Science Department Faculty of TeachersP.O.Box 2313Al Hasa31982Saudi Arabia Faculty of Engineering Ain Shames UniversityEgypt Chemistry Department Faculty of ScienceAin Shames UniversityEgypt
Conversion ofβ-aroyl propionic acids into furanone derivatives(2)and benzoxazinone derivatives(3)for the study of the reactivity of these nucleus towards different nucleophilic and elec-trophilic reagents.
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
Effect of Conductive Fillers on the Cyclic Stress-Strain and Nano-Scale Free Volume Properties of Silicone Rubber
收藏 引用
Chinese Journal of Polymer Science 2014年 第5期32卷 558-567页
作者: m.H.abd-el Salam S.el-Gamal m.mohsen D.m.abd el-maqsoud Physics Department Faculty of Education Ain Shams University Physics Department Faculty of Science Ain Shams University
The effect of carbon black (CB) and graphite (G) powders on the macroscopic and nano-scale free volume properties of silicone rubber based on poly(di-methylsiloxane) (PDmS) was studied through thermal and cycl... 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
Effect of different metal sulfate precursors on structural and catalytic performance of zirconia in dehydration of methanol to dimethyl ether
收藏 引用
燃料化学学报 2018年 第1期46卷 67-74页
作者: abd el-Aziz A.Said mohamed abd el-Aal Chemistry Department Faculty of ScienceAssiut University71516 AssiutEgypt
ZrO_2 was treated with 10% SO_4^(2-) from different metal sulfate precursors for methanol dehydration to dimethyl *** the samples exhibited tetragonal phase and no diffraction peaks corresponding to metal sulfates or ... 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