咨询与建议

限定检索结果

文献类型

  • 2,539 篇 期刊文献
  • 38 篇 会议
  • 3 篇 学位论文
  • 2 册 图书

馆藏范围

  • 2,582 篇 电子文献
  • 0 种 纸本馆藏

日期分布

学科分类号

  • 1,137 篇 医学
    • 1,019 篇 临床医学
    • 89 篇 公共卫生与预防医...
    • 84 篇 基础医学(可授医学...
    • 53 篇 中西医结合
  • 1,065 篇 理学
    • 307 篇 化学
    • 287 篇 数学
    • 271 篇 物理学
    • 243 篇 生物学
    • 88 篇 地球物理学
    • 79 篇 天文学
    • 79 篇 地质学
    • 57 篇 生态学
  • 1,040 篇 工学
    • 371 篇 材料科学与工程(可...
    • 206 篇 化学工程与技术
    • 180 篇 计算机科学与技术...
    • 134 篇 力学(可授工学、理...
    • 125 篇 机械工程
    • 111 篇 电子科学与技术(可...
    • 107 篇 电气工程
    • 103 篇 生物医学工程(可授...
    • 93 篇 环境科学与工程(可...
    • 80 篇 控制科学与工程
    • 79 篇 地质资源与地质工...
    • 77 篇 水利工程
    • 76 篇 动力工程及工程热...
    • 68 篇 冶金工程
    • 55 篇 建筑学
    • 50 篇 软件工程
  • 220 篇 农学
    • 86 篇 作物学
  • 68 篇 管理学
  • 54 篇 经济学
    • 52 篇 应用经济学
  • 32 篇 教育学
  • 20 篇 法学
  • 14 篇 文学
  • 4 篇 艺术学
  • 3 篇 哲学
  • 3 篇 历史学

主题

  • 61 篇 and
  • 61 篇 of
  • 52 篇 energy
  • 43 篇 dark
  • 35 篇 quantum
  • 32 篇 egypt
  • 29 篇 theory
  • 28 篇 analysis
  • 28 篇 disease
  • 24 篇 spacetime
  • 23 篇 cancer
  • 23 篇 method
  • 22 篇 liver
  • 22 篇 activity
  • 21 篇 antioxidant
  • 21 篇 relativity
  • 19 篇 cantorian
  • 19 篇 morocco
  • 18 篇 optimization
  • 18 篇 children

机构

  • 39 篇 department of ph...
  • 28 篇 department of ph...
  • 17 篇 department of co...
  • 14 篇 faculty of artif...
  • 13 篇 department of ma...
  • 13 篇 university of gu...
  • 13 篇 computer enginee...
  • 11 篇 department of co...
  • 11 篇 department of co...
  • 9 篇 department of ph...
  • 9 篇 department of co...
  • 9 篇 department of el...
  • 8 篇 department of ch...
  • 8 篇 department of in...
  • 7 篇 department of el...
  • 7 篇 department of in...
  • 6 篇 research center ...
  • 6 篇 department of ph...
  • 6 篇 security enginee...
  • 6 篇 security enginee...

作者

  • 63 篇 mohamed s. el na...
  • 21 篇 el-sayed m.el-ke...
  • 20 篇 walid el-shafai
  • 18 篇 peter h. sikkema
  • 15 篇 fathi e.abd el-s...
  • 14 篇 nader soltani
  • 11 篇 m. s. el naschie
  • 11 篇 doaa sami khafag...
  • 11 篇 abdelhameed ibra...
  • 10 篇 abdelaziz a.abde...
  • 10 篇 christy shropshi...
  • 10 篇 naglaa f.soliman
  • 8 篇 moamen s.refat
  • 7 篇 nader butto
  • 6 篇 mohammed elmogy
  • 6 篇 abed el karim s....
  • 6 篇 shaker el-sappag...
  • 6 篇 osama s.faragall...
  • 6 篇 taieb ben abdall...
  • 6 篇 beih s. el-desou...

语言

  • 2,271 篇 英文
  • 311 篇 中文
检索条件"作者=Nader A. El-s.0"
2582 条 记 录,以下是71-80 订阅
排序:
Thermodyna.ic a.a.ysis of a.terna.ive Ma.ine Fuels for Ma.ine Ga. Turbine Power Pla.ts
收藏 引用
Journa. of Ma.ine science a.d a.plica.ion 2016年 第1期15卷 95-103页
作者: Moha.ed M. el Goha.y nader R. a.ma. Ma.ine Engineering Depa.tment Faculty of Maritime Studies King Abdulaziz University Jeddah 21589 Kingdom of Saudi Arabia Depa.tment of Na.a. a.chitecture a.d Ma.ine Engineering Alexandria University Alexandria 21544 Egypt
The ma.ine shipping industry fa.es cha.lenges to reduce engine exha.st emissions a.d greenhouse ga.es (GHGs) from ships, a.d in pa.ticula., ca.bon dioxide. Interna.iona. regula.ory bodies such a. the Interna.iona. M... 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
eleva.ion tra.sition of a.ua.ic insects closely ma.ches a.therma. fea.ure in the Yunga. of Northwestern a.gentina
收藏 引用
Journa. of Mounta.n science 2024年 第2期21卷 433-448页
作者: a.exa.dra.BUITRa.O-GUa.a.a.E Ca.los MOLINERI a.drés LIRa.NORIEGa.Da.iel a.drés DOs sa.TOs Neotropica. Biodiversity Institute(CONICET-UNT) UNT-DomesHorco Molle S/N4107 TucumánArgentina CONa.YT Resea.ch Fellow Network of Advanced Molecular StudiesInstitute of Ecology A.COld Road to Coatepec 351El HayaCP 91073XalapaVeracruzMexico Biosta.istics Cha.r Faculty of Natural Sciences and IMLNational University of TucumánSan Miguel de TucumánMiguel Lillo 2054000 TucumánArgentina
Tempera.ure is a.key fa.tor tha. sha.es the distribution of *** knowledge a.out how species respond to tempera.ure is releva.t to devise stra.egies for a.dressing the impa.ts of clima.e *** insects a.e pa.ticula.ly vu... 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
Two-point compression ultra.onogra.hy: Enough to rule out lower extremity deep venous thrombosis?
收藏 引用
World Journa. of Emergency Medicine 2021年 第4期12卷 268-273页
作者: Ra.phe Bou Chebl nader el souki Mira.elle Geha.Ima. Ma.zoub Rima.Ka.doura.Ha.y Zgheib Depa.tment of Emergency Medicine American University of BeirutBeirut 11072020Lebanon
Ba.KGROUND: Deep venous thrombosis(DVT) is a.ma.or ca.se of morbidity a.d is a.common presenting compla.nt to the emergency depa.tment(ED). Point-of-ca.e two-point compression ultra.onogra.hy ha. evolved a. a.quick 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
Numerica. Modeling a.d Technico-Economic a.a.ysis of a.Hybrid Energy Production system for self-Consumption: Ca.e of Rura. a.ea.in the Comoros
收藏 引用
Journa. of Power a.d Energy Engineering 2024年 第5期12卷 24-59页
作者: Fa.a. Ma.ulida.Moha.ed a.oudou Ka.sim Ra.a. Djedjig a.med Ihla. Moha.med el Ga.a.ui LERMa. Laboratory of Studies and Research on Wood Material IUT of Longwy University of Lorraine Cosnes-et-Romain Longwy France LEMA Energy and Applied Mechanics Laboratory Faculty of Sciences and Techniques University of Comoros Moroni Comoros IREMIs Institute University of Mayotte Mayotte France LMER Laboratory of Materials and Renewable Faculty of Sciences University Ibn Zohr BP Agadir Morocco
This study a.ms to provide electricity to a.remote villa.e in the Union of Comoros tha. ha. been a.fected by energy problems for over 40 yea.s. The study uses a.50 kW diesel genera.or, a.10 kW wind turbine, 1500 kW ph... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Time-va.ying ma.eria.s in the presence of dispersion:pla.e-wa.e propa.a.ion in a.Lorentzia. medium with tempora. discontinuity
收藏 引用
Photonics Resea.ch 2021年 第9期9卷 1842-1853页
作者: DIEGO M.sOLís Ra.Ha.L Ka.TNER nader ENGHETA Depa.tment of electrica. a.d systems Engineering University of PennsylvaniaPhiladelphiaPennsylvania 19104USA Tel a.iv University Tel Aviv 69978Israel
We study the problem of a.tempora. discontinuity in the permittivity of a. unbounded medium with Lorentzia. dispersion. More specifica.ly, we ta.kle the situa.ion in which a.monochroma.ic pla.e wa.e forwa.d-tra.eling ... 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
Eva.ua.ion of extra.ts a.d essentia. oil from Ca.listemon vimina.is lea.es:a.tiba.teria. a.d a.tioxida.t a.tivities,tota. phenolic a.d fla.onoid contents
收藏 引用
a.ia. Pa.ific Journa. of Tropica. Medicine 2013年 第10期6卷 785-791页
作者: Moha.ed ZM sa.em Ha.ssa. M a.i nader a.el-sha.horey a.med a.del-Megeed Forestry a.d Wood Technology Depa.tment Faculty of Agriculture(EL-Shatby)Alexandria University Bota.y a.d Microbiology Depa.tment College of ScienceKing Saud University Timber Trees Resea.ch Depa.tment Sabahia Horticulture Research StationHorticulture Research InstituteAgriculture Research Center Depa.tment of Bota.ica. Ga.dens Resea.ch Horticultural Research Institute(ARC) Fa.ulty of a.riculture(sa.a.Ba.ha. Alexandria University
Objective:To investiga.e a.tioxida.t a.d a.tiba.teria. a.tivities of Ca.listemon vimina.is(***)***:The essentia. oil of *** lea.es obta.ned by hydrodistilla.ion wa. a.a.yzed by GC/*** extra.ts were tested for tota. ph... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Prevela.ce of Bovine Cysticercosis in Egypt a.d the Cysticida. Effect of Two Extra.ts Obta.ned from Ba.a.ites a.gyptia.a.a.d Moringa.oleifera.on Mice Model a.fected with T. sa.ina.a.Cysticerci
收藏 引用
Open Journa. of a.ima. sciences 2024年 第2期14卷 39-55页
作者: Omnia.M. Ka.dil Noha.M. F. Ha.sa. Doa. sedky Ha.em a. sha.a.y Heba.M. a.hry Na.ia.M. T. a.u el Ezz sa.a. M. Ka.deel Moha.ed s. a.delfa.ta. L. Ying Ebtesa. M. a.-Ola.a. Pa.a.itology a.d a.ima. Disea.es Depa.tment Veterinary Research Institute National Research Centre Dokki Cairo Egypt Chemistry of Na.ura. Compounds Depa.tment Pharmaceutical and Drugs Industries Research Institute National Research Centre Dokki Cairo Egypt Chemistry Depa.tment Faculty of Science Helwan University Cairo Egypt sta.e Key La.ora.ory of Pla.ea. Ecology a.d a.riculture Qinghai University Xining China College of a.riculture a.d a.ima. Husba.dry Qinghai University Xining China Depa.tment of Zoology Collage of Science King Saud University Riyadh Saudi Arabia
The a.m of the present study wa. to determine the preva.ence of bovine cysticercosis in both ca.tle a.d buffloa., in Egypt a.d to a.sess the cysticida. effica.y of Ba.a.ites a.gyptia.a.fruits (B. a.gyptia.a. a.d Morin... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Determina.ion of La.ent Hea.s of Va.oriza.ion a.d Fusion
收藏 引用
a.va.ces in Chemica. Engineering a.d science 2024年 第3期14卷 113-124页
作者: La.bib a.ba. La.cen Bih Kha.id Ya.ni a.derra.im elya.ya.uy a.delma.ik el a.ta.ui Za.ra.Ra.zi Chemistry Depa.tment Faculty of Science and Technology Moulay Ismail University Meknes Er-Rachidia Morocco Engineering sciences a.d Professions La.ora.ory National School of Arts and Crafts Moulay Ismail University Meknes Meknes Morocco Ma.eria.s Membranes and Nanotechnology Chemistry Department Faculty of Sciences Moulay Ismail University Meknes Zitoune Mekns Morocco Physics Depa.tment Faculty of Sciences Ibn Tofail University Kenitra Morocco La.ora.ory of Molecula. Chemistry Materials and Environment (LCM2E) Multidisciplinary Faculty of Nador Mohamed 1st University Oujda Nador Morocco La.ora.ory of sCiMa.OP Chemistry Department Faculty of Sciences Semlalia Cadi Ayyad University Marrakech Morocco
Wa.er is the most a.unda.t liquid on the surfa.e of the ea.th. It is a.liquid whose properties a.e quite surprising, both a. a.pure liquid a.d a. a.solvent. Wa.er is a.very cohesive liquid: its melting a.d va.oriza.io... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
a.Typica. Ca.e of Cla.sic Potter’s syndrome: a.Ca.e Report
收藏 引用
Open Journa. of Pedia.rics 2024年 第3期14卷 482-487页
作者: Moha.ed el Kerim Ma.y Moha.med Ech-Cheba. a.a.s a.ya. sa.a. Messa.udi Rim a.ra.i Pedia.rics/Residency Mohammed VI University Hospital Oujda Morocco Depa.tment of Neona.ology a.d Neona.a.intensive Ca.e Unit Mohammed VI University Hospital Medical School University Mohammed 1st Oujda Morocco The Ma.erna.-Child & Menta. Hea.th Resea.ch La.ora.ory Oujda Morocco
Potter syndrome is a.ra.e congenita. ma.forma.ion tha. prima.ily a.fects ma.e fetuses;it is cha.a.terized by pulmona.y hypopla.ia. skeleta. ma.forma.ion, a.d kidney a.norma.ities. The pressure of the uterine wa.l due ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Ma.e genitourina.y schistosomia.is-rela.ed symptoms a.ong long-term Western a.rica. migra.ts in spa.n: a.prospective popula.ion-ba.ed screening study
收藏 引用
贫困所致传染病(英文) 2024年 第2期13卷 1-10页
作者: Roure sílvia.Va.s Xa.ier Pérez-Quílez Olga.López-Mu?oz Isra.l Cha.orro a.na.a.a. elena.Va.erio Lluís soldevila.La.ra.Espa.a.sergio Hega.y a.a. H. a. Fernández-Riva. Gema.Gorriz Ester Herena.Dolores Oliveira.Mário Mira.les Ma.ia.Ca.me Conde Ca.men Montero-a.ia.Jua. José Fernández-Pedrega. elia.Mira.da.sánchez Jose Llibre Josep M. Isna.d Ma. Bonet Josep Ma.ia.Estra.a.Oriol Pra. Núria.Clotet Bona.entura.The schisto-stop study group Interna.iona. Hea.th Progra. (PROsICs) Barcelona North Metropolitan Territorial Directorate for Infectious Diseases Catalan Institute for Health CAP La Salut Passatge dels Encants S/N Badalona Spain Funda.ió Lluita.contra.les Infeccions c/Can Ruti s/n Badalona Spain Infectious Disea.es Depa.tment Hospital Universitari Germans Trias i Pujol c/Can Ruti s/n Badalona Spain Germa.s Tria. i Pujol Resea.ch Institute c/Can Ruti s/n Badalona Spain Microbiology Depa.tment Germans Trias i Pujol University Hospital c/Can Ruti s/n Badalona Spain Depa.tment of Genetics a.d Microbiology Universitat Autònoma de Barcelona c/Can Ruti s/n Badalona Spain Fa.ulty of Medicine University of Asyut El Fateh Assiut Governorate Egypt Depa.tment of Urology Germans Trias i Pujol University Hospital c/Can Ruti s/n Badalona Spain Ca.ovelles Prima.y Hea.th Ca.e Unit Barcelona North Metropolitan Health Directorate Catalan Institute for Health C/Indústria Canovelles Spain Prima.y Hea.th Ca.e Unit Ma.a.ó-(Roca.onda.Pa.a.) Barcelona North Metropolitan Health Directorate Catalan Institute for Health Camí Ral el Ravalet Mataró Barcelona Spain Ba.celona.North Metropolita. Prima.y Ca.e Directora.e Catalan Institute for Health Ctra. de Barcelona Sabadell Barcelona Spain Directora.e for Innova.ion a.d Interdisciplina.y Coopera.ion Barcelona North Metropolitan Health Directorate Catalan Institute for Health C/Can Ruti S/N Badalona Spain IrsiCa.xa.a.Ds Resea.ch Institute Hospital Universitari Germans Trias i Pujol University Hospital c/Can Ruti s/n Badalona Spain Infectious Disea.es Directora.e Barcelona North Metropolitan Health Directorate Catalan Institute for Health C/Can Ruti S/N Badalona Spain
Ba.kground schistosomia.is is highly endemic in sub-sa.a.a. a.rica.a.d frequently imported to Europe. Ma.e urogenita. ma.ifesta.ions a.e often neglected. We a.med to a.certa.n the preva.ence of genitourina.y clinica. ... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论