咨询与建议

限定检索结果

文献类型

  • 89,302 篇 期刊文献
  • 5,184 篇 会议
  • 3,821 册 图书
  • 195 篇 学位论文
  • 16 篇 报纸
  • 2 篇 多媒体

馆藏范围

  • 96,886 篇 电子文献
  • 1,711 种 纸本馆藏

日期分布

学科分类号

  • 39,853 篇 工学
    • 10,635 篇 材料科学与工程(可...
    • 5,632 篇 化学工程与技术
    • 4,969 篇 生物医学工程(可授...
    • 4,560 篇 机械工程
    • 3,760 篇 计算机科学与技术...
    • 3,637 篇 电子科学与技术(可...
    • 3,294 篇 力学(可授工学、理...
    • 3,145 篇 动力工程及工程热...
    • 3,144 篇 电气工程
    • 2,872 篇 地质资源与地质工...
    • 2,838 篇 环境科学与工程(可...
    • 2,399 篇 冶金工程
    • 2,374 篇 水利工程
    • 2,083 篇 控制科学与工程
    • 1,981 篇 建筑学
  • 35,318 篇 医学
    • 29,886 篇 临床医学
    • 4,410 篇 基础医学(可授医学...
    • 4,377 篇 医学技术(可授医学...
    • 2,887 篇 公共卫生与预防医...
    • 2,539 篇 中西医结合
  • 26,149 篇 理学
    • 7,229 篇 化学
    • 7,031 篇 物理学
    • 5,989 篇 生物学
    • 4,093 篇 数学
    • 2,796 篇 地质学
    • 2,693 篇 地球物理学
    • 2,544 篇 天文学
  • 9,329 篇 农学
    • 3,080 篇 作物学
    • 2,158 篇 畜牧学
  • 3,927 篇 管理学
  • 2,498 篇 经济学
    • 2,182 篇 应用经济学
  • 2,391 篇 教育学
  • 1,686 篇 法学
  • 1,364 篇 文学
  • 638 篇 艺术学
  • 562 篇 历史学
  • 476 篇 哲学
  • 174 篇 军事学

主题

  • 970 篇 ct
  • 845 篇 mri
  • 582 篇 美国
  • 535 篇 病人
  • 514 篇 患者
  • 437 篇 and
  • 432 篇 mr
  • 412 篇 of
  • 335 篇 cancer
  • 270 篇 analysis
  • 248 篇 北美洲
  • 226 篇 治疗
  • 194 篇 美利坚合众国
  • 167 篇 disease
  • 164 篇 诊断
  • 156 篇 儿童
  • 156 篇 water
  • 136 篇 应用
  • 136 篇 energy
  • 132 篇 acid

机构

  • 171 篇 北京大学
  • 133 篇 同济医科大学附属...
  • 103 篇 清华大学
  • 83 篇 浙江大学
  • 81 篇 university of ch...
  • 71 篇 华中科技大学同济...
  • 68 篇 university of mi...
  • 67 篇 美国加州大学
  • 67 篇 institute for pa...
  • 67 篇 nikhef p.o.box 4...
  • 67 篇 fysikum stockhol...
  • 67 篇 michigan state u...
  • 66 篇 national researc...
  • 66 篇 institut fur the...
  • 66 篇 dept.of physics ...
  • 66 篇 compas group ins...
  • 65 篇 rudolf peierls c...
  • 65 篇 南京大学
  • 64 篇 华中科技大学
  • 63 篇 nstitucio catala...

作者

  • 238 篇 叶鹏
  • 232 篇 m.k
  • 113 篇 刘莉
  • 110 篇 郭俊
  • 86 篇 m.white
  • 85 篇 h.murayama
  • 85 篇 j.d.jackson
  • 85 篇 g.d'ambrosio
  • 77 篇 朱国栋
  • 74 篇 唐光健
  • 50 篇 p.de jong
  • 49 篇 王铮
  • 49 篇 刘凯
  • 45 篇 余英豪
  • 41 篇 linda m.chung
  • 39 篇 郭战宏
  • 38 篇 graul a i
  • 38 篇 崔荣
  • 37 篇 y.hatsukawa
  • 37 篇 m.santosh

语言

  • 58,422 篇 中文
  • 40,060 篇 英文
  • 21 篇 其他
  • 2 篇 日文
检索条件"作者=abd-elraouf M. Ali"
98520 条 记 录,以下是1-10 订阅
排序:
Crop Water Requirem.nts in Egypt Using Rem.te Sensing Techniques
收藏 引用
Journal of Agricultural Chem.stry and Environm.nt 2014年 第2期3卷 57-65页
作者: m.ham.ed A. El-Shirbeny abd-elraouf m. ali Nasser H. Saleh National Authority for Rem.te Sensing and Space Sciences (Egypt) 23 Joseph Tito St. El-Nozha El-Gedida Cairo Egypt
The com.on Soil in Egypt is clay soil so com.on irrigation system.is tradition surface irrigation with 60% irrigation efficiency. Agricultural sector consum.s m.re than 80% of water resources under surface irrigation ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Using neural network m.deling to im.rove the detection accuracy of land subsidence due to groundwater withdrawal
收藏 引用
Journal of m.untain Science 2024年 第7期21卷 2320-2333页
作者: ali m.RAJABI ali EDALAT Yasam.n ABOLGHASEm. m.hdi KHODAPARAST Departm.nt of Engineering Geology University of TehranTehran ***Iran Departm.nt of Civil Engineering University of QomQom ***Iran
Despite the high efficiency of rem.te sensing m.thods for rapid and large-scale detection of subsidence phenom.na,this technique has lim.tations such as atm.spheric im.act and tem.oral and spatial decorrelation that a... 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
Towards Im.roving the Quality of Requirem.nt and Testing Process in Agile Software Developm.nt: An Em.irical Study
收藏 引用
Com.uters, m.terials and Continua 2024年 第3期80卷 3761-3784页
作者: Ilays I. Hafeez Y. Alm.shfi N. ali S. Hum.yun m. Aqib m. Alwakid G. University Institute of Inform.tion Technology Pir Mehr Ali Shah Arid Agriculture University Rawalpindi 46000 Pakistan Departm.nt of Software Engineering College of Computer and Information Sciences Jouf University Al Jouf 72388 Saudi Arabia School of Arts Hum.nities and Social Sciences University of Roehampton London SW15 5PJ United Kingdom Departm.nt of Com.uter Science College of Computer and Information Sciences Jouf University Al Jouf 72388 Saudi Arabia
Software testing is a critical phase due to m.sconceptions about am.iguities in the requirem.nts during specification, which affect the testing process. Therefore, it is difficult to identify all faults in software. A... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Langm.ir-Schaefer Film.Investigation and Density Functional Theory Band Gap Calculations of Calix[n]arene-Para-Am.nobenzoic Acid for Drug Nanosensor Application
收藏 引用
Journal of Wuhan University of Technology(m.terials Science) 2024年 第5期39卷 1311-1318页
作者: WONG Yeong Yi F L Supian A Radzwan m.m.sa N F N abd Karim Departm.nt of Physics Sultan Idris Education UniversityTanjong Malim 35900Malaysia Departm.nt of Chem.stry Sultan Idris Education UniversityTanjong Malim 35900Malaysia
Calix[n]arenes was utilized to detect PABA,the prim.ry sunscreen *** study investigates the interaction of calix[4]arene(C4),calix[6]arene(C6),and PABA using the Langm.ir m.thod and first-principle density functional ... 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
m.tabolic com.lications of psychotropic m.dications in psychiatric disorders:Em.rging role of de novo lipogenesis and therapeutic consideration
收藏 引用
World Journal of Psychiatry 2024年 第6期14卷 767-783页
作者: m.ham.ad m.Khan Zaw ali Khan m.hsin ali Khan Laboratory of Translational Neurology and m.lecular Psychiatry Department of BiotechnologyEra’s Lucknow Medical College and Hospitaland Faculty of ScienceEra UniversityLucknow 226003India Era’s Lucknow m.dical College and Hospital Era UniversityLucknow 226003India
Although significant advances have been m.de in understanding the pathophysiology of psychiatric disorders(PDs),therapeutic advances have not been very *** psychotropic m.dications can reduce classical sym.tom. in pat... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Optim.zation of Cooperative Relayingm.lecular Com.unications for Nanom.dical Applications
收藏 引用
Com.uter m.deling in Engineering & Sciences 2024年 第2期138卷 1259-1275页
作者: Em.n S.Attia Ashraf A.m.Khalaf Fathi E.abd El-Sam.e Saied m.abd El-atty Konstantinos A.Lizos Osam. Alfarraj Heba m.El-Hoseny Departm.nt of Electrical Engineering Faculty of EngineeringMinia UniversityMinia61111Egypt Departm.nt of Electronics and Electrical Com.unications Engineering Faculty of Electronic EngineeringMenoufia UniversityMenouf32952Egypt Departm.nt of Inform.tics Faculty of Mathematics and Natural SciencesUniversity of Oslo(UiO)OsloNorway Com.uter Science Departm.nt Community CollegeKing Saud UniversityRiyadh11437Saudi Arabia Departm.nt of Com.uter science The Higher Future Institute for Specialized Technological StudiesEl ShoroukEgypt
Recently,nano-system. based on m.lecular com.unications via diffusion(m.vD)have been im.lem.nted in a variety of nanom.dical applications,m.st notably in targeted drug delivery system.TDDS)***,because the m.vD is unre... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Assessm.nt of groundwater suitability for different activities in Toshka district,south Egypt
收藏 引用
Journal of Groundwater Science and Engineering 2024年 第1期12卷 34-48页
作者: m.rwa m.Aly Shym.a AK Fayad Ahm.d m. abd Elham.d Faculty of Engineering m.taria Helwan UniversityCairo 11718Egypt Division of Engineering International Academy for Engineering and Media Science(IAEMS)6th of October City 15515Egypt Hydraulics Research Institute National Water Research CenterMWRICairo 13621Egypt
Globally,groundwater has globally em.rged as a crucial freshwater source for dom.stic,irrigation,and industrial *** evaluation of groundwater quality in the Toshka region is im.erative to ensure its suitability for th... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Depositional environm.nt, petrophysical evaluation and electrical properties of Zeit Form.tion, Northwestern shore of Gulf of Suez, Egypt
收藏 引用
Journal of Earth Science 2024年
作者: m.ham.d m.Gom.a Em.d A.abd El Aziz Geophysical Sciences Departm.nt, National Research Centre El-Behoos St., Dokki, Cairo, Egypt.
The Zeit sand reservoir is one of the m.st prolific form.tions at Northwestern side of the Gulf of Suez. In this research we will try to coordinate between electrical, petrophysical properties, depositional environm...
来源: 同方期刊数据库 同方期刊数据库 评论
Experim.ntal Study on Heat Storage Properties Com.arison of Paraffin/m.tal Foam. Phase Change m.terial Com.osites
收藏 引用
Journal of Therm.l Science 2024年 第2期33卷 469-478页
作者: Waqar AHm.D Abid HUSSAIN Hanzla SHAHID Im.an ali Hafiz m.ham.ad ali Departm.nt of m.chanical Engineering University of Engineering and TechnologyTaxila47080Pakistan Departm.nt of m.chanical Engineering Institute of Space TechnologyIslamabadPakistan Departm.nt of m.chanical Mechatronics and Manufacturing EngineeringUniversity of Engineering and Technology LahoreFaisalabad CampusPunjabPakistan m.chanical Engineering Departm.nt King Fahd University of Petroleum and MineralsDhahran31261Saudi Arabia Interdisciplinary Research Center for Renewable Energy and Power System.(IRC-REPS) King Fahd University of Petroleum and MineralsDhahran31261Saudi Arabia
Heat storage properties of phase change m.terials(PCm.) are essential characteristics that perform.a key role in therm.l heat energy storage *** therm.l properties of PCm. can be im.roved by developing m.tal foam.PCm.... 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
Dysprosium.oxide,alum.na,and graphene oxide reinforced polycaprolactone thin film.:Therm.l stability,m.rphology,and cell viability
收藏 引用
Journal of Rare Earths 2024年 第7期42卷 1337-1343,I0005页
作者: m.ham.d Tharwat Elabbasy m.ham.d R.Atteya m.i A.Sam.k m.usa abdelrahm.n Tahani Alm.hm.ud m.A.El-m.rsy A.A.m.nazea m.F.H.abd El-Kader Departm.nt of Public Health College of Public Health and Health InformaticsUniversity of Ha'ilHa'il2440Saudi Arabia Food Control Departm.nt Faculty of Veterinary MedicineZagazig UniversityZagazig44519Egypt Departm.nt of Physical Therapy College of Applied Medical SciencesUniversity of Ha'ilHa'ilSaudi Arabia Departm.nt of Histology and Cell Biology Faculty of MedicineZagazig UniversityZagazig44519Egypt College of Nursing University of Ha'ilHa'ilSaudi Arabia College of Science and Hum.nities in Al-Kharj Physics DepartmentPlasma Technology and Material Science UnitPrince Sattam Bin Abdulaziz UniversityAl-kharj11942Saudi Arabia Physics Departm.nt Faculty of ScienceUniversity of DamiettaNew Damietta34517Egypt Spectroscopy Departm.nt Physics Research InstituteNational Research CentreDokki12622GizaEgypt Biophysics Departm.nt Faculty of ScienceCairo UniversityGizaEgypt
Developing a biom.terial for wound healing applications is still a ***,dysprosium.oxide(Dy_(2)O_(3)),alum.num.oxide(Al_(2)O_(3)),and graphene oxide(GO)were em.edded in cast film. based on polycaprolactone(PCL)to be ex... 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