咨询与建议

限定检索结果

文献类型

  • 28,048 篇 期刊文献
  • 3,041 篇 会议
  • 164 册 图书
  • 53 篇 学位论文

馆藏范围

  • 31,228 篇 电子文献
  • 82 种 纸本馆藏

日期分布

学科分类号

  • 14,890 篇 工学
    • 4,797 篇 材料科学与工程(可...
    • 2,671 篇 化学工程与技术
    • 2,224 篇 机械工程
    • 2,125 篇 生物医学工程(可授...
    • 1,414 篇 力学(可授工学、理...
    • 1,355 篇 动力工程及工程热...
    • 1,351 篇 冶金工程
    • 1,297 篇 计算机科学与技术...
    • 1,243 篇 电子科学与技术(可...
    • 1,101 篇 控制科学与工程
    • 1,086 篇 电气工程
    • 828 篇 地质资源与地质工...
    • 777 篇 环境科学与工程(可...
    • 723 篇 生物工程
    • 719 篇 水利工程
    • 716 篇 土木工程
  • 11,658 篇 医学
    • 9,968 篇 临床医学
    • 1,854 篇 医学技术(可授医学...
    • 1,345 篇 基础医学(可授医学...
    • 924 篇 药学(可授医学、理...
    • 878 篇 中西医结合
    • 820 篇 公共卫生与预防医...
  • 9,879 篇 理学
    • 3,473 篇 化学
    • 2,938 篇 物理学
    • 1,954 篇 生物学
    • 1,392 篇 数学
    • 826 篇 地球物理学
    • 821 篇 地质学
    • 760 篇 天文学
  • 2,415 篇 农学
    • 771 篇 作物学
  • 1,018 篇 管理学
  • 951 篇 教育学
  • 632 篇 经济学
  • 320 篇 法学
  • 310 篇 文学
  • 156 篇 艺术学
  • 120 篇 历史学
  • 68 篇 哲学
  • 39 篇 军事学

主题

  • 209 篇 ct
  • 160 篇 mri
  • 129 篇 患者
  • 112 篇 analysis
  • 110 篇 and
  • 97 篇 of
  • 72 篇 mr
  • 69 篇 diabetes
  • 68 篇 simulation
  • 68 篇 病人
  • 65 篇 deep learning
  • 64 篇 日本
  • 62 篇 microstructure
  • 56 篇 acid
  • 54 篇 埃及
  • 52 篇 危险因素
  • 49 篇 cancer
  • 47 篇 plasma
  • 46 篇 dark
  • 46 篇 steel

机构

  • 119 篇 北京大学
  • 116 篇 南京大学
  • 114 篇 香港理工大学
  • 88 篇 上海交通大学
  • 87 篇 香港城市大学
  • 80 篇 中国科学院大学
  • 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...
  • 67 篇 dept.of physics ...
  • 67 篇 compas group ins...
  • 67 篇 rudolf peierls c...
  • 67 篇 nstitucio catala...
  • 67 篇 department of ph...
  • 67 篇 school of physic...
  • 67 篇 ludwig-maximilia...
  • 67 篇 cea/saclay dsm/i...

作者

  • 130 篇 叶鹏
  • 85 篇 h.murayama
  • 85 篇 j.d.jackson
  • 85 篇 g.d'ambrosio
  • 85 篇 m.white
  • 85 篇 p.de jong
  • 83 篇 v.i.belousov
  • 81 篇 v.burkert
  • 76 篇 y.hayato
  • 74 篇 a.v.gritsan
  • 67 篇 a.gurtu
  • 65 篇 m.carena
  • 63 篇 a.masoni
  • 62 篇 kavli ipmu
  • 62 篇 l.pape
  • 60 篇 mohamed s. el na...
  • 59 篇 li y
  • 58 篇 china
  • 51 篇 s.rolli
  • 47 篇 刘闯

语言

  • 16,364 篇 英文
  • 14,942 篇 中文
检索条件"作者=el-KASSAS hala Y."
31306 条 记 录,以下是1-10 订阅
排序:
Green sy.thesis of iron oxide(Fe_3O_4)nanoparticles using two selected brown seaweeds:Characterization and application for lead bioremediation
收藏 引用
Acta Oceanologica Sinica 2016年 第8期35卷 89-98页
作者: el-kassas hala y. ALy.elDEEN Mohamed A. GHARIB Samiha M. National Institute of Oceanography.and Fisheries Alexandria 21556Egypt
The exploitation of different plant materials for the biosy.thesis of nanoparticles is considered a green technology.because it does not involve any.harmful chemicals. In this study. iron oxide nanoparticles(Fe3O4-NP... 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
Gastroesophageal reflux after per-oral endoscopic my.tomy.Management literature
收藏 引用
World Journal of Gastroenterology 2024年 第23期30卷 2947-2953页
作者: Ahmed Tawheed Ibrahim Halil Bahcecioglu Mehmet y.lniz Mohamed el-kassas Department of Endemic Medicine Faculty of MedicineHelwan UniversityCairo 11795Egypt Department of Gastroenterology Faculty of MedicineFirat UniversityElazig 23119Türkiye Liver Disease Research Center College of MedicineKing Saud UniversityRiyadh 7805Saudi Arabia
In this editorial,we respond to a review article by.Nabi et al,in which the authors discussed gastroesophageal reflux(GER)following peroral endoscopic my.tomy.POEM).POEM is presently.the primary.therapeutic option for... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Enhancing Cancer Classification through a Hy.rid Bio-Inspired Evolutionary.Algorithm for Biomarker Gene Selection
收藏 引用
Computers, Materials & Continua 2024年 第4期79卷 675-694页
作者: hala AlShamlan halah AlMazrua Department of Information Technology College of Computer and Information SciencesKing Saud UniversityP.O.Box 145111Riyadh4545Saudi Arabia
In this study.our aim is to address the problem of gene selection by.proposing a hy.rid bio-inspired evolutionary.algorithm that combines Grey.Wolf Optimization(GWO)with Harris Hawks Optimization(HHO)for feature *** f... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Enhancing IoT Data Security.with Lightweight Blockchain and Okamoto Uchiy.ma Homomorphic Encry.tion
收藏 引用
Computer Modeling in Engineering & Sciences 2024年 第2期138卷 1731-1748页
作者: Mohanad A.Mohammed hala B.Abdul Wahab Computer Science Department The University of TechnologyBaghdadIraq
Blockchain technology.has garnered significant attention from global organizations and researchers due to its potential as a solution for centralized sy.tem ***,the Internet of Things(IoT)has revolutionized the Fourth... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Response Evaluation Using Contrast-Enhanced Ultrasound for Unresectable Advanced Hepatocellular Carcinoma Treated With Ty.osine Kinase Inhibitors Plus Anti-PD-1 Antibody.Therapy
收藏 引用
Ultrasound in Medicine and Biology 2024年 第1期50卷 142-149页
作者: Zhao C.-K. Guan X. Pu y.-y. Zhou B.-y. Wang L.-F. Sun y.-K. y.n H.-H. Xia H.-S. Wang X. Han H. Xu H.-X. Department of Ultrasound Zhongshan Hospital Institute of Ultrasound in Medicine and Engineering Fudan University Shanghai China Shanghai Institute of Medical Imaging Shanghai China Central Laboratory.and Department of Medical Ultrasound Sichuan Academy of Medical Sciences Sichuan Provincial People's Hospital University of Electronic Science and Technology of China Chengdu China
Objective: The aim of the work described here was to evaluate the role of contrast-enhanced ultrasound (CEUS) in response evaluation for unresectable advanced hepatocellular carcinoma (HCC) treated with ty.osine kinas... 详细信息
来源: 评论
Progression of e-ticketing implementation for state transportation agencies for asphalt materials
收藏 引用
Journal of Road Engineering 2024年 第1期4卷 80-92页
作者: Joshua Withrow Gabriel B.Dadi hala Nassereddine Department of Civil Engineering University of KentuckyLexingtonKY 40506USA Kentucky.Transportation Cabinet FrankfortKY 40622USA
E-ticketing,which has been promoted by.the Federal Highway.Administration(FHWA)“every.day.counts”(EDC)initiative,utilizes software applications to digitally.track and store information regarding highway.construction... 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
Therapeutic and regenerative potential of different sources of mesenchy.al stem cells for cardiovascular diseases
收藏 引用
BIOCelL 2024年 第4期48卷 559-569页
作者: y.RA ALZGHOUL hala J.BANI ISSA AHMAD K.SANAJLEH TAQWA ALABDUH FATIMAH RABABAH MAHA AL-SHDAIFAT EJLAL ABU-el-RUB FATIMAH ALMAHASNEH RAMADA R.KHASAWNEH Ay.AN ALZU’BI HUTHAIFA MAGABLEH Department of Basic Medical Sciences Faculty of MedicineYarmouk UniversityIrbidJordan
Mesenchy.alstemcells(MSCs)*** the internal cardiac microenvironment to facilitate their immunomodulatory.and differentiation abilities,which are essential to restore heart *** can be easily.isolated from different sou... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Evaluation of the nutritional value of Artemia nauplii for European seabass(Dicentrarchus labrax L.)larvae
收藏 引用
Aquaculture and Fisheries 2024年 第1期9卷 78-84页
作者: Alaa A.el-Dahhar Rashwan S.Rashwan Samy.y.el-Zaeem Shaimaa A.Shahin Mona M.Mourad Mohammed F.el Basuini Animal and Fish Production Department Faculty of Agriculture-Saba BashaAlexandria UniversityAlexandria21526Egypt National Institute of Oceanography.and Fisheries(NIOF) Cairo11562Egypt Department of Animal Production Faculty of AgricultureTanta UniversityTanta31527Egypt Faculty.of Desert Agriculture King Salman International UniversitySouth Sinai46618Egypt
Adapted European seabass(Dicentrarchus labrax L.)larvae at 25 day. post-hatching(dph)with a primary.weight and length of 23 mg and 9.92 mm,start the weaning up to 46 dph using the weaning micro-diet(54%crude protein f... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
A new Late Miocene Hy.trix(Hy.tricidae,Rodentia)from Turkey
收藏 引用
Integrative Zoology 2024年 第3期19卷 548-563页
作者: Kazım halaÇLAR Ay.a SEVIM EROL Tolga KÖROG˘LU Paul RUMMy.Tao DENG Serdar MAy.A Natural History.Application and Research Centre Ege UniversityTurkey Key.Laboratory.of Vertebrate Evolution and Human Origins Institute of Vertebrate Paleontology and PaleoanthropologyChinese Academy of SciencesBeijingPeople’s Republic of China Department of Anthropology Faculty of Languages and HistoryGeographyAnkara UniversityTurkey Department of Biology Faculty of SciencesEge UniversityTurkey
TheÇoraky.rler fossil locality.in Anatolia reveals unique faunal *** study.introduces Hy.trix kay.e ***.,a new Late Miocene porcupine initially.classified as Hy.trix *** et al.,*** finding expands our knowledge of Lat... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Comparison between seismic analy.is of twisting and regular 52-story.towers considering soil-structure interaction
收藏 引用
Earthquake Engineering and Engineering Vibration 2024年 第3期23卷 663-675页
作者: Mohamed Naguib Abouelsaad Mohammed Shaaban Salah el Bagalaty.Mohamed E.el Madawy Structural Engineering Department Faculty of EngineeringMansura UniversityMansoura 35511Egypt Faculty.of Engineering Delta University for Science and TechnologyGamasa 35712Egypt
A dy.amic analy.is of both twisting and regular towers is carried out to determine the results of considering soil-structure interaction(SSI)on high-rise *** addition,the difference between the seismic performance of ... 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