咨询与建议

限定检索结果

文献类型

  • 83,882 篇 期刊文献
  • 5,770 篇 会议
  • 2,664 册 图书
  • 93 篇 学位论文
  • 13 篇 报纸

馆藏范围

  • 91,194 篇 电子文献
  • 1,278 种 纸本馆藏

日期分布

学科分类号

  • 37,210 篇 医学
    • 30,370 篇 临床医学
    • 4,417 篇 医学技术(可授医学...
    • 4,053 篇 基础医学(可授医学...
    • 2,989 篇 公共卫生与预防医...
    • 2,785 篇 中西医结合
    • 2,129 篇 药学(可授医学、理...
  • 34,652 篇 工学
    • 9,278 篇 材料科学与工程(可...
    • 5,394 篇 化学工程与技术
    • 4,867 篇 生物医学工程(可授...
    • 3,992 篇 机械工程
    • 3,780 篇 计算机科学与技术...
    • 3,517 篇 电子科学与技术(可...
    • 3,235 篇 力学(可授工学、理...
    • 3,207 篇 电气工程
    • 2,881 篇 动力工程及工程热...
    • 2,445 篇 环境科学与工程(可...
    • 2,270 篇 地质资源与地质工...
    • 2,193 篇 冶金工程
    • 2,095 篇 控制科学与工程
    • 2,018 篇 水利工程
  • 23,351 篇 理学
    • 6,627 篇 化学
    • 6,345 篇 物理学
    • 4,871 篇 生物学
    • 4,320 篇 数学
    • 2,391 篇 地质学
    • 2,228 篇 地球物理学
    • 2,146 篇 天文学
  • 7,502 篇 农学
    • 2,582 篇 作物学
  • 4,473 篇 管理学
    • 1,939 篇 管理科学与工程(可...
  • 2,860 篇 经济学
    • 2,420 篇 应用经济学
  • 2,661 篇 法学
  • 2,525 篇 教育学
  • 1,361 篇 文学
  • 519 篇 艺术学
  • 480 篇 历史学
  • 428 篇 哲学
  • 150 篇 军事学

主题

  • 808 篇 ct
  • 798 篇 治疗
  • 667 篇 mri
  • 514 篇 病人
  • 499 篇 诊断
  • 447 篇 患者
  • 417 篇 of
  • 403 篇 儿童
  • 373 篇 美国
  • 342 篇 mr
  • 312 篇 中国
  • 291 篇 and
  • 216 篇 cancer
  • 215 篇 analysis
  • 137 篇 energy
  • 126 篇 印度
  • 126 篇 microstructure
  • 114 篇 model
  • 110 篇 treatment
  • 110 篇 北美洲

机构

  • 223 篇 中国人民公安大学
  • 170 篇 四川省人民医院
  • 162 篇 上海第二医科大学...
  • 146 篇 北京大学
  • 121 篇 中国人民大学
  • 91 篇 清华大学
  • 86 篇 南京大学
  • 80 篇 上海市第一人民医...
  • 78 篇 华中科技大学
  • 77 篇 香港理工大学
  • 73 篇 浙江省人民医院
  • 69 篇 同济大学
  • 68 篇 university of mi...
  • 67 篇 institute for pa...
  • 67 篇 nikhef p.o.box 4...
  • 67 篇 fysikum stockhol...
  • 67 篇 michigan state u...
  • 67 篇 institut fur the...
  • 66 篇 national researc...
  • 66 篇 dept.of physics ...

作者

  • 208 篇 叶鹏
  • 85 篇 h.murayama
  • 85 篇 j.d.jackson
  • 85 篇 g.d'ambrosio
  • 85 篇 m.white
  • 83 篇 刘莉
  • 68 篇 p.de jong
  • 65 篇 郭俊
  • 61 篇 china
  • 60 篇 mohamed s. el na...
  • 59 篇 朱国栋
  • 46 篇 唐光健
  • 42 篇 general administ...
  • 41 篇 王铮
  • 40 篇 people’s bank of...
  • 38 篇 v.i.belousov
  • 35 篇 李长根
  • 29 篇 崔荣
  • 27 篇 余英豪
  • 27 篇 l.littenberg

语言

  • 57,499 篇 中文
  • 34,913 篇 英文
  • 2 篇 日文
  • 1 篇 法文
检索条件"作者=magdi s.mahmoud a"
92422 条 记 录,以下是11-20 订阅
排序:
Predicting Energy Consumption Using stacked LsTM snapshot Ensemble
收藏 引用
Big Data Mining and Analytics 2024年 第2期7卷 247-270页
作者: Mona Ahamd Alghamdi Abdullah s.A.L-Malaise AL-Ghamdi mahmoud Ragab Information systems Department Faculty of Computing and Information Technology(FCIT)King Abdulaziz University(KAU)Jeddah 21589Kingdom of Saudi Arabia Information systems Department FCITKAUJeddah 21589Kingdom of Saudi Arabiaand also with School of EngineeringComputing and DesignDar Al-Hekma UniversityJeddah 22246Kingdom of Saudi Arabia Information Technology Department FCITKAUJeddah 21589Kingdom of Saudi Arabiaand also with Mathematics DepartmentFaculty of ScienceAl-Azhar UniversityNaser City 11884Egypt
The ability to make accurate energy predictions while considering all related energy factors allows production plants,regulatory bodies,and governments to meet energy demand and assess the effects of energy-saving ***... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Mitigating diabetes-related complications:Empowering metformin with cholecalciferol and taurine supplementation in type 2 diabetic rats
收藏 引用
World Journal of Diabetes 2024年 第8期15卷 1778-1792页
作者: Mai s Attia Fadwa Ayman Mohamed s Attia Galal Yahya Mansour H Zahra magdi Mohamed Ibrahim Khalil Abdel Aziz A Diab Department of Zoology Faculty of ScienceZagazig 44519Egypt Department of Pharmaceutics Faculty of PharmacyZagazig 44519Egypt Department of Microbiology and Immunology Faculty of PharmacyZagazig UniversityZagazig 44519Egypt Department of Biochemistry Faculty of MedicineZagazig 44519Egypt
BACKGROUND Type 2 diabetes is one of the most prevalent chronic diseases worldwide,significantly impacting patients'quality of *** treatment options like metformin(MET)effectively counteract hyperglycemia but fail to ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Insulin therapy in type 2 diabetes: Insights into clinical efficacy, patient-reported outcomes, and adherence challenges
收藏 引用
World Journal of Diabetes 2024年 第5期15卷 828-852页
作者: mahmoud Emad-Eldin Gehan F Balata Eman A Elshorbagy Mona s Hamed Mohamed s Attia Department of Pharmacy Practice Faculty of PharmacyZagazig UniversityZagazig HFQM+872Al-Sharqia GovernorateEgypt Department of Pharmacy Practice Faculty of PharmacyHeliopolis UniversityCairo 44519Egypt Department of Pharmaceutics Faculty of PharmacyZagazig UniversityZagazig 44519Al-Sharqia GovernorateEgypt Department of Internal Medicine Faculty of MedicineZagazig UniversityZagazig 44519Al-Sharqia GovernorateEgypt Department of Community at Faculty of Medicine Zagazig UniversityZagazig 44519Al-Sharqia GovernorateEgypt
Insulin therapy plays a crucial role in the management of type 2 diabetes as the disease *** the past century,insulin formulations have undergone significant modifications and bioengineering,resulting in a diverse ran... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Electro-optic tuning in composite silicon photonics based on ferroionic 2D materials
收藏 引用
Light(science & Applications) 2024年 第5期13卷 852-864页
作者: Ghada Dushaq solomon serunjogi srinivasa R.Tamalampudi mahmoud Rasras Department of Electrical and Computer Engineering New York University Abu DhabiP.O.Box 129188Abu DhabiUnited Arab Emirates NYU Tandon school of Engineering New York UniversityNew YorkNYUSA
Tunable optical materials are indispensable elements in modern optoelectronics,especially in integrated photonics circuits where precise control over the effective refractive index is essential for diverse ***-dimensi... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Nondestructive and active interrogation system for special nuclear material:proof of principle and initial results
收藏 引用
Nuclear science and Techniques 2024年 第5期35卷 216-225页
作者: mahmoud Bakr Kai Masuda Yoshiyuki Takahashi Tsuyoshi Misawa Norio Yamakawa Tomas scott Institute of Advanced Energy Kyoto UniversityGokashoUjiKyoto 611‑0011Japan school of Physics University of BristolBs81TL Tyndall AvenueBristolUK Physics Department Faculty of ScienceAssiut UniversityAssiut 71516Egypt Research Reactor Institute Kyoto University2 Asashiro‑NishiKumatoriOsaka 590‑0494Japan Pony Industry Co.Ltd. 2‑3‑6 Kitakyuhoji‑MachiChuo‑KuOsaka 541‑0057Japan Astral Neutronics LTD Unit H5HallenBristol BS107SBUK
Herein,we employ the threshold energy neutron analysis(TENA)technique to introduce the world's first active interrogation system to detect special nuclear materials(sNMs),including U-235 and *** system utilizes a DD n... 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
Electrospun Aloe Vera Extract Loaded Polycaprolactone scaffold for Biomedical Applications:A Promising Candidate for Corneal stromal Regeneration
收藏 引用
Journal of Bionic Engineering 2024年 第4期21卷 1949-1959页
作者: Amin Orash mahmoud salehi Mohammad Rafienia Narsimha Mamidi saeed Heidari Keshel Alireza Baradaran-Rafii Department of Chemistry and Nanotechnology School of Engineering and ScienceTecnologico de MonterreyMonterreyNuevo Leon64849Mexico Biosensor Research Center Isfahan University of Medical SciencesIsfahan81746-73461Iran Wisconsin Center for NanoBiosystems School of PharmacyUniversity of Wisconsin-MadisonMadisonWisconsin53705USA Medical Nanotechnology Research Center Shahid Beheshti University of Medical SciencesTehran19857-17443Iran Department of Ophthalmology Ophthalmic Research CenterLabbafinejad Medical CenterShahid Beheshti University of Medical SciencesTehran19395-4631Iran Department of Ophthalmology Morsani College of MedicineUniversity of South FloridaTampaFL33612USA Department of Tissue Engineering and Applied Cell science School of Advanced Technologies in MedicineShahid Beheshti University of Medical SciencesTehran19857-17443Iran
Corneal diseases,the second leading cause of global vision loss affecting over 10.5 million people,underscores the unmet demand for corneal tissue *** the scarcity of fresh donor corneas and the associated risks of im... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Applications of artificial intelligence in geothermal resource exploration: A review
收藏 引用
Deep Underground science and Engineering 2024年 第3期3卷 269-285页
作者: mahmoud AlGaiar Mamdud Hossain Andrei Petrovski Aref Lashin Nadimul Faisal school of Engineering Robert Gordon UniversityAberdeenUK National subsea Centre AberdeenUK Petroleum and Natural Gas Engineering Department College of EngineeringKing Saud UniversityRiyadhSaudi Arabia
Artificial intelligence (AI) has become increasingly important in geothermal exploration,significantly improving the efficiency of resource *** review examines current AI applications,focusing on the algorithms used,t... 详细信息
来源: 维普期刊数据库 维普期刊数据库 博看期刊 同方期刊数据库 同方期刊数据库 评论
The nature and movement of thrusts in the eastern Iranian orogen:sechengi Area on the northern border of Lut and sistan
收藏 引用
Journal of Mountain science 2024年 第9期21卷 3157-3171页
作者: shahriar KEsHTGAR mahmoud Reza HEYHAT sasan BAGHERI Ebrahim GHOLAMI seyed Naser RAIsOssADAT Department of Geology Faculty of ScienceUniversity of BirjandBirjand ***Iran Department of Geology Faculty of ScienceUniversity of Sistan and BaluchestanZahedan 98167-45845Iran
The eastern Iranian range,known as the sistan suture zone in the past,has recently been identified as the sistan *** Paleogene orogeny is located between the Lut and Afghan *** structural analysis shows that most of t... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Enhancing Canola Yield and Photosynthesis under Water stress with Hydrogel Polymers
收藏 引用
Phyton-International Journal of Experimental Botany 2024年 第7期93卷 1623-1645页
作者: Elham A.Badr Gehan sh.Bakhoum Mervat sh.sadak Ibrahim Al-Ashkar Mohammad sohidul Islam Ayman El sabagh magdi T.Abdelhamid Field Crops Research Department National Research CentreCairo12622Egypt Botany Department National Research CentreCairo12622Egypt Plant Production Department College of Food and Agriculture SciencesKing Saud UniversityRiyadh12271Saudi Arabia Department of Agronomy Hajee Mohammad Danesh Science and Technology UniversityDinajpur5200Bangladesh Department of Field Crops Faculty of AgricultureSiirt UniversitySiirt56100Turkey Department of Agronomy Faculty of AgricultureKafrelsheikh UniversityKafrelsheikh33516Egypt Department of Research Centers Montana State UniversityBozemanMT 59717USA
While Egypt’s canola production per unit area has recently grown,productivity remains low,necessitating increased *** are water-absorbent polymer compounds that can optimize irrigation schedules by increasing the soi... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
数据缺陷条件下支持污水处理厂智能管理的数据增强方法
收藏 引用
环境工程 2024年 第6期42卷 153-159页
作者: 王建辉 廖万山 李慧敏 冯东 郭智威 Mohamed s.mahmoud 张冰 高旭 申渝 陈猷鹏 重庆工商大学智能制造服务国际科技合作基地 重庆400067 重庆南向泰斯环保技术研究院有限公司 重庆400069 重庆中法环保研发中心有限公司 重庆400010 埃及住房和建筑国家研究中心卫生与环境工程研究所 埃及开罗1770 重庆大学环境与生态学院 重庆400045
污水处理厂的智能化管理需要高质量、丰富的数据支持。然而,在当前污水处理厂的运维管理中,过度曝气、过量投药及监测问题等导致水厂运维数据的数量和质量存在缺陷,基于此类缺陷数据支持的各种数据驱动模型性能不高。如何提高数据质量... 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