咨询与建议

限定检索结果

文献类型

  • 1,264 篇 期刊文献
  • 34 篇 学位论文
  • 5 篇 会议

馆藏范围

  • 1,303 篇 电子文献
  • 0 种 纸本馆藏

日期分布

学科分类号

  • 697 篇 医学
    • 613 篇 临床医学
    • 35 篇 公共卫生与预防医...
    • 23 篇 中西医结合
    • 17 篇 中药学(可授医学、...
    • 16 篇 药学(可授医学、理...
  • 380 篇 工学
    • 74 篇 计算机科学与技术...
    • 60 篇 材料科学与工程(可...
    • 58 篇 化学工程与技术
    • 44 篇 软件工程
    • 37 篇 控制科学与工程
    • 34 篇 电子科学与技术(可...
    • 26 篇 机械工程
    • 22 篇 环境科学与工程(可...
    • 21 篇 动力工程及工程热...
    • 18 篇 地质资源与地质工...
    • 14 篇 仪器科学与技术
    • 13 篇 电气工程
    • 11 篇 土木工程
    • 9 篇 力学(可授工学、理...
    • 9 篇 建筑学
  • 214 篇 理学
    • 88 篇 化学
    • 53 篇 数学
    • 23 篇 物理学
    • 11 篇 地质学
    • 11 篇 生物学
  • 77 篇 农学
    • 21 篇 作物学
    • 19 篇 农业资源与环境
    • 17 篇 畜牧学
  • 39 篇 管理学
    • 28 篇 管理科学与工程(可...
  • 31 篇 经济学
    • 31 篇 应用经济学
  • 9 篇 文学
  • 7 篇 法学
  • 6 篇 教育学
  • 2 篇 艺术学
  • 1 篇 军事学

主题

  • 31 篇 and
  • 27 篇 deep learning
  • 27 篇 egypt
  • 24 篇 cancer
  • 22 篇 covid-19
  • 21 篇 hepatocellular c...
  • 19 篇 sudan
  • 18 篇 machine learning
  • 15 篇 analysis
  • 15 篇 water
  • 14 篇 of
  • 14 篇 disease
  • 13 篇 liver
  • 13 篇 treatment
  • 12 篇 method
  • 12 篇 carcinoma
  • 11 篇 acid
  • 11 篇 prevalence
  • 11 篇 risk factors
  • 11 篇 optimization

机构

  • 25 篇 department of co...
  • 10 篇 department of in...
  • 9 篇 department of ma...
  • 8 篇 department of co...
  • 8 篇 department of en...
  • 8 篇 department of co...
  • 8 篇 gastroenterology...
  • 7 篇 college of mathe...
  • 6 篇 chemistry depart...
  • 6 篇 chemistry depart...
  • 6 篇 department of co...
  • 6 篇 department of co...
  • 6 篇 research centre ...
  • 6 篇 department of me...
  • 5 篇 department of ph...
  • 5 篇 department of me...
  • 5 篇 汽车零部件技术湖...
  • 5 篇 现代汽车零部件技...
  • 5 篇 department of in...
  • 5 篇 department of pe...

作者

  • 24 篇 manar ahmed hamz...
  • 19 篇 abdelwahed motwa...
  • 12 篇 mohamed k.nour
  • 12 篇 ayman el nakeeb
  • 10 篇 abu sarwar zaman...
  • 10 篇 ishfaq yaseen
  • 9 篇 abdullah mohamed
  • 8 篇 mesfer al duhayy...
  • 8 篇 mohamed abouhaww...
  • 7 篇 radwa marzouk
  • 7 篇 bakry ahmed bakr...
  • 7 篇 jaber s.alzahran...
  • 7 篇 ehab el hanafy
  • 7 篇 mohamed ahmed
  • 6 篇 mohamed abdel wa...
  • 6 篇 ahmad m sultan
  • 6 篇 anwer mustafa hi...
  • 6 篇 tarek salah
  • 6 篇 zakaria ahmed mo...
  • 6 篇 mohamed hamdy ib...

语言

  • 1,219 篇 英文
  • 84 篇 中文
检索条件"作者=osama Mohamed Ahmed"
1303 条 记 录,以下是1-10 订阅
排序:
Compressive strength and stability of sustainable self-consolidating concrete containing fly ash, silica fume, and GGBS
收藏 引用
Frontiers of Earth Science 2017年 第4期11卷 406-411页
作者: osama ahmed mohamed Omar Fawwaz NAJM Department of Civil Engineering Abu Dhabi University Abu Dhabi United Arab Emirates
This paper presents the findings of an experimental program seeking to understand the effect of mineral admixtures on fresh and hardened properties of sustainable self-consolidating concrete (SCC) mixes where up to ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Impacts of mesenchymal stem cells and hyaluronic acid on inflammatory indicators and antioxidant defense in experimental ankle osteoarthritis
收藏 引用
World Journal of Orthopedics 2024年 第11期15卷 1056-1074页
作者: Usama Ismaeil Hagag Fatma mohamed Halfaya Hessah Mohammed Al-Muzafar Suhailah Saud Al-Jameel Kamal Adel Amin Wael Abou El-Kheir Emad A Mahdi Gamal Abdel-Nasser Ragab Hassan osama mohamed ahmed Department of Surgery Beni-Suef UniversityBeni Suef 62111Egypt Department of Surgery Anesthesiology and RadiologyBeni-Suef UniversityBeni Suef 62111Egypt Department of Chemistry College of ScienceBasic and Applied Scientific Research CenterImam Abdulrahman Bin Faisal UniversityDammam 31441Saudi Arabia Department of Chemistry BiochemistryCollege of ScienceBasic and Applied Scientific Research Center(BASRC)Imam Abdulrahman Bin Faisal UniversityDammam 31441Saudi Arabia Department of Immunology Military Medical AcademyCairo 11511Al QāhirahEgypt Department of Pathology Beni-Suef UniversityBeni Suef 62111Egypt Department of Surgery Anesthesiology and RadiologyFaculty of Veterinary MedicineBeni-Suef UniversityBeni Suef 62521Egypt
BACKGROUND No effective treatment guarantees full recovery from osteoarthritis(OA),and few therapies have *** To determine if bone marrow mesenchymal stem cells(BMMSCs)and hyaluronic acid(HA)treat ankle OA in Wistar *... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Dynamic Interaction Analysis of Coupled Axial-Torsional-Lateral Mechanical Vibrations in Rotary Drilling Systems
收藏 引用
Structural Durability & Health Monitoring 2025年 第1期19卷 77-103页
作者: Sabrina Meddah Sid ahmed Tadjer Abdelhakim Idir Kong Fah Tee mohamed Zinelabidine Doghmane Madjid Kidouche Applied Automation Laboratory Faculty of Hydrocarbons and ChemistryUniversity of BoumerdesBoumerdes35000Algeria Institute of Electrical and Electronic Engineering(IGEE) University of BoumerdesBoumerdes35000Algeria Laboratory of the Electrification of Industrial Enterprises University of BoumerdesBoumerdes35000Algeria Electrical Engineering Department Mohamed Boudiaf University of M’silaM’sila28000Algeria Department of Civil and Environmental Engineering King Fahd University of Petroleum&MineralsDhahran31261Saudi Arabia Interdisciplinary Research Center for Construction and Building Materials King Fahd University of Petroleum&Minerals(KFUPM)Dhahran31261Saudi Arabia
Maintaining the integrity and longevity of structures is essential in many industries,such as aerospace,nuclear,and *** achieve the cost-effectiveness of large-scale systems in petroleum drilling,a strong emphasis on ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Combinatory effect of hesperetin and mesenchymal stem cells on the deteriorated lipid profile,heart and kidney functions and antioxidant activity in STZ-induced diabetic rats
收藏 引用
BIOCELL 2020年 第1期44卷 27-39页
作者: osama M.ahmed mohamed A.HASSAN Ablaa S.SALEH Experimental Obesity and Diabetes Research Lab(EODRL) Physiology DivisionZoology DepartmentFaculty of ScienceBeni-Suef UniversityPO 62521Beni-SuefEgypt Biochemistry Department Faculty of ScienceBeni-Suef UniversityPO 62521Beni-SuefEgypt
This study aimed to assess the effect of hesperetin and/or bone marrow-derived mesenchymal stem cells(BM-MSCs)on disturbed lipid profile,heart and kidney functions,oxidative stress and antioxidant defense system in st... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Resistance to acid degradation,sorptivity,and setting time of geopolymer mortars
收藏 引用
Frontiers of Structural and Civil Engineering 2022年 第6期16卷 781-791页
作者: osama A mohamed Rania AL-KHATTAB Waddah AL-HAWAT College of Engineering Abu Dhabi UniversityAbu DhabiUnited Arab Emirates
Experimental evaluations were conducted to determine the water sorptivity,setting time,and resistance to a highly acidic environment,of mortar with alkali-activated ground granulated blast furnace slag(GBS)binder and ... 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 multidisciplinary approach to sphincter pharyngoplasty for correction of velopharyngeal dysfunction following repair of cleft palate
收藏 引用
Chinese Journal of Plastic and Reconstructive Surgery 2022年 第3期4卷 105-109页
作者: Nabil Mokhter mohamed ahmed mohamed Zayed Ayman mohamed Amer ahmed Hassan El-Sabbagh Omar osama Shouman Plastic Surgery Center Faculty of MedicineMansoura UniversityMansoura 35516Egypt Phoniatric Unit Department of ENTFaculty of MedicineMansoura UniversityMansoura 35516Egypt
Background:Management of severe velopharyngeal dysfunction is best performed by a multispecialty *** team could include a speech-language pathologist,otolaryngologist,prosthodontist,and a plastic *** most commonly per... 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
Ecological risk assessment of surficial sediment by heavy metals from a submerged archaeology harbor,South Mediterranean Sea,Egypt
收藏 引用
Acta Geochimica 2020年 第2期39卷 226-235页
作者: Maha ahmed mohamed Abdallah ahmed mohamed Badr-ElDin Marine Pollution Lab National Institute of Oceanography and FisheriesAlexandriaEgypt Oceanography Department Faculty of ScienceAlexandria UniversityAlexandriaEgypt
A protected semi-enclosed embayment,the Eastern Harbor(EH),is situated in the central sector of the Mediterranean coast of Alexandria,*** is a famous fishing dock and water-sport center and its importance arose after ... 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
Numerical Investigation of Rotating Stall in Centrifugal Compressor with Vaned and Vaneless Diffuser
收藏 引用
Journal of Thermal Science 2015年 第4期24卷 323-333页
作者: Taher Halawa mohamed Alqaradawi mohamed S.Gadala Ibrahim Shahin osama Badr Mechanical Engineering Department UBC-University of British ColumbiaVancouverB.C.Canada Mechanical Engineering Department Cairo University Mechanical & Industrial Engineering Department Qatar University Mechanical Engineering Department Abu Dhabi University Mechanical and Industrial Engineering Department Qatar UniversityDohaQatar Mechanical Engineering Department Benha University Mechanical Engineering Department British University
This study presents a numerical simulation of the stall and surge in a centrifugal compressor and presents a description of the stall development in two different *** first case is for a compressor with vaneless diffu... 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
Static and dynamic stability responses of multilayer functionally graded carbon nanotubes reinforced composite nanoplates via quasi 3D nonlocal strain gradient theory
收藏 引用
Defence Technology(防务技术) 2022年 第10期18卷 1778-1809页
作者: ahmed Amine Daikh mohamed Sid ahmed Houari mohamed Ouejdi Belarbi Salwa A.mohamed mohamed A.Eltaher Laboratoire D'Etude des Structures et de Mecanique des Materiaux Departement de Genie CivilFacultedes Sciences et de La TechnologieUniversite Mustapha Stambouli B.P.305R.P.29000MascaraAlgeria Laboratoire de Genie Energetique et Materiaux LGEMUniversite de BiskraB.P.145R.P07000BiskraAlgeria Department of Engineering Mathematics Zagazig UniversityP.O.Box 44519ZagazigEgypt Faculty of Engineering Mechanical Engineering DepartmentKing Abdulaziz UniversityP.O.Box 80204JeddahSaudi Arabia Faculty of Engineering Mechanical Design and Production DepartmentZagazig UniversityP.O.Box 44519ZagazigEgypt
This manuscript presents the comprehensive study of thickness stretching effects on the free vibration,static stability and bending of multilayer functionally graded(FG)carbon nanotubes reinforced composite(CNTRC)*** ... 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
Schistosomal(bilharzial)polyps:Travel through the colon and beyond
收藏 引用
World Journal of Gastroenterology 2023年 第26期29卷 4156-4165页
作者: mohamed H Emara Aya M Mahros Abdelrahman M ahmed Rasheda mohamed I Radwan Besher mohamed osama Abdelrazik Mostafa Elazab Hassan Elbatae Department of Hepatology Gastroenterology and Infectious DiseasesKafrelsheikh UniversityKafr-Elshikh 33516Egypt Department of Internal Medicine Gastroenterology UnitSecurity Forces HospitalRyiadh 11481Saudi Arabia Department of Tropical Medicine Zagazig UniversityZagazig 44519Egypt Department of Gastroenterology Surrey and Sussex Hospitals NHS TrustSurrey RH15RHUnited Kingdom Department of Hepato-Gastroenterology and Infectious Diseases Al-Azhar UniversityCairo 11651Egypt
Schistosomiasis(bilharziasis)is a major neglected tropical *** is endemic in many tropical and subtropical *** polyps(***)are not uncommon presentation of this *** the colon is the most commonly affected organ,many ot... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论