咨询与建议

限定检索结果

文献类型

  • 33,239 篇 期刊文献
  • 1,724 篇 会议
  • 957 册 图书
  • 90 篇 学位论文
  • 6 篇 报纸

馆藏范围

  • 35,604 篇 电子文献
  • 430 种 纸本馆藏

日期分布

学科分类号

  • 14,582 篇 工学
    • 3,888 篇 材料科学与工程(可...
    • 2,291 篇 化学工程与技术
    • 1,769 篇 生物医学工程(可授...
    • 1,595 篇 电子科学与技术(可...
    • 1,558 篇 机械工程
    • 1,555 篇 电气工程
    • 1,500 篇 计算机科学与技术...
    • 1,317 篇 力学(可授工学、理...
    • 1,231 篇 动力工程及工程热...
    • 1,229 篇 环境科学与工程(可...
    • 1,034 篇 地质资源与地质工...
    • 896 篇 水利工程
    • 823 篇 建筑学
    • 800 篇 冶金工程
    • 747 篇 控制科学与工程
  • 13,205 篇 医学
    • 11,091 篇 临床医学
    • 1,597 篇 基础医学(可授医学...
    • 1,401 篇 医学技术(可授医学...
    • 1,247 篇 公共卫生与预防医...
    • 899 篇 中西医结合
    • 755 篇 药学(可授医学、理...
  • 10,399 篇 理学
    • 2,999 篇 化学
    • 2,859 篇 物理学
    • 2,387 篇 生物学
    • 1,651 篇 数学
    • 1,124 篇 地质学
    • 1,058 篇 天文学
    • 1,046 篇 地球物理学
  • 3,443 篇 农学
    • 1,236 篇 作物学
  • 1,518 篇 管理学
  • 1,022 篇 经济学
    • 885 篇 应用经济学
  • 902 篇 教育学
  • 672 篇 法学
  • 514 篇 文学
  • 239 篇 历史学
  • 192 篇 艺术学
  • 169 篇 哲学
  • 54 篇 军事学

主题

  • 177 篇 mri
  • 172 篇 ct
  • 169 篇 患者
  • 114 篇 analysis
  • 94 篇 of
  • 86 篇 and
  • 85 篇 diabetes
  • 80 篇 病人
  • 73 篇 acid
  • 70 篇 美国
  • 67 篇 health
  • 67 篇 deep learning
  • 63 篇 simulation
  • 61 篇 mr
  • 60 篇 cancer
  • 56 篇 corrosion
  • 56 篇 survival
  • 55 篇 prevalence
  • 45 篇 performance
  • 43 篇 genetic

机构

  • 68 篇 university of mi...
  • 68 篇 department of ph...
  • 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 school of physic...
  • 67 篇 ludwig-maximilia...
  • 67 篇 cea/saclay dsm/i...
  • 66 篇 national researc...
  • 66 篇 department of ph...
  • 65 篇 department of ph...
  • 65 篇 kobayashi-maskaw...
  • 65 篇 high energy phys...
  • 65 篇 department of ph...

作者

  • 131 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
  • 82 篇 v.i.belousov
  • 77 篇 v.burkert
  • 77 篇 y.hayato
  • 75 篇 a.v.gritsan
  • 61 篇 kavli ipmu
  • 61 篇 l.pape
  • 58 篇 a.gurtu
  • 57 篇 m.carena
  • 56 篇 a.masoni
  • 38 篇 s.rolli
  • 34 篇 王铮
  • 30 篇 a.d.martin
  • 29 篇 b.heltsley
  • 27 篇 l.littenberg

语言

  • 19,389 篇 中文
  • 16,622 篇 英文
检索条件"作者=Joaquín PReZ-ORTeGA"
36016 条 记 录,以下是1-10 订阅
排序:
Application of formal languages in polynomial transformations of instances between nP-complete problems
收藏 引用
Journal of Zhejiang University-Science C(Computers and Electronics) 2013年 第8期14卷 623-633页
作者: Jorge A. RUIZ-VAnOYE joaquín prez-ortega Rodolfo A. PAZOS RAnGEL Ocotlán DíAZ-PARRA Héctor J. FRAIRE-HUACUJA Juan FRAUSTO-SOLíS Gerardo REYES-SALGADO Laura CRUZ-REYES DACI Universidad Autónoma del Carmen Computer Science Centro Nacional de Investigación y Desarrollo Tecnológico Systems and Computer Science Instituto Tecnológico de Ciudad Madero Informatics Universidad Politécnica del Estado de Morelos Computer Science Instituto Tecnológico de Cuautla
We propose the usage of formal languages for expressing instances of nP-complete problems for their application in polynomial transformations. The proposed approach, which consists of using formal language theory for ... 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
5-Bromo-2'-deoxyuridine labeling:historical perspectives,factors infiuencing the detection,toxicity,and its implications in the neurogenesis
收藏 引用
neural Regeneration Research 2024年 第2期19卷 302-308页
作者: joaquín Martí-Clúa Unidad de Citología e Histología.Departament de Biologia Cel·lular de Fisiologia i d’Immunologia.Facultad de Biociencias.Institut de Neurociències.Universidad Autónoma de Barcelona08193 BellaterraBarcelonaSpain
The halopyrimidine 5-bromo-2′-deoxyuridine(BrdU)is an exogenous marker of DnA *** the introduction of monoclonal antibodies against BrdU,an increasing number of methodologies have been used for the immunodetection 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
Loculated pericardial hematoma diagnosed with point-of-care ultrasound
收藏 引用
World Journal of Emergency Medicine 2024年 第3期15卷 241-242页
作者: joaquín Valle Alonso Esther Montoro Leandro noblia Emergency Department Royal Bournemouth HospitalBournemouth 14450UK Emergency Department Hospital Santa LuciaCartagena 30202Spain
Pericardial hematoma is a rare but potentially lifethreatening consequence following cardiac surgery that requires prompt recognition and *** can present with symptoms such as chest pain,dyspnea,tachycardia,and hypote... 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
The ILux^(®) compared to the mechanical meibomian gland expression for the treatment of moderate and severe meibomian gland dysfunction
收藏 引用
International Journal of Ophthalmology(English edition) 2024年 第6期17卷 1042-1048页
作者: María Ximena núñez Andrea Acosta-ortega Guillermo Raul Vera-Duarte Catalina Gómez-Duarte Unit of Cornea Cataract and Refractive SurgeryVision Sana Research GroupClínica de Oftalmología de CaliFaculty of Medicine Pontificia Universidad Javeriana CaliCali 760031Colombia Department of Ophthalmology Faculty of Medicine Pontificia Universidad Javeriana CaliCali 760031Colombia Department of Ophthalmology Hospital de ClínicasNational University of AsunciónAsunción 111421Paraguay
AIM:To compare the safety and effectiveness of eyelid treatment with the ILux®-MGD Treatment System in one session versus five sessions of mechanical meibomian gland expression(MMGE)in patients with moderate to severe... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Hydroxytyrosol and Parkinson's disease:protective actions against alpha-synuclein toxicity
收藏 引用
neural Regeneration Research 2024年 第7期19卷 1427-1428页
作者: Ruth Hornedo-ortega Ana M.Espinosa-Oliva Departamento de nutrición y Bromatología Toxicología y Medicina LegalFacultad de FarmaciaUniversidad de SevillaSevilleSpain Instituto de Biomedicina de Sevilla IBiS/Hospital Universitario Virgen del Rocío/CSIC/Universidad de SevillaSevillaSpain Departamento de Bioquímica y Biología Molecular Facultad de FarmaciaUniversidad de SevillaSevillaSpain
Parkinson’s disease:Parkinson’s disease(PD) is the second most prevalent neurodegenerative disease,after Alzheimer’s disease,affecting 1%of the general population over the age of *** to data from the World Health O... 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
Unraveling the interaction between soil microbiomes and their potential for restoring polluted soils
收藏 引用
Frontiers of Environmental Science & Engineering 2024年 第8期18卷 149-151页
作者: Carlos O.Lomeli-ortega Mingming Sun Jose Luis Balcazar Catalan Institute for Water Research(ICRA-CERCA) Girona 17003Spain University of Girona Girona 17004Spain Soil Ecology Laboratory College of Resources and Environmental SciencesNanjing Agricultural UniversityNanjing 210095China
Soils are not exempt from anthropogenic pollution,which can eventually cause disturbance of the microbial communities and areas without any kind of *** soil microbiota,bacteria play an important role in pollutant degr... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Hydrogeochemical and isotopic assessment of the origin of nO_(3)^(−)and n-nH_(3)contents in the aquifer located in a closed lacustrine volcano-sedimentary basin in the metropolitan area of Mexico City
收藏 引用
Acta Geochimica 2024年 第4期43卷 719-736页
作者: Jose Ivan Morales-Arredondo Maria Aurora Armienta Hernandez Joel Edmundo ortega-Gutierrez Elisa Cuellar Ramirez natural Resources Department Institute of GeophysicsNational Autonomous University of MexicoCiudad Universitaria No.3000Col.Copilco UniversidadCoyoacán Delegation04360 MexicoCDMXMexico Instituto Politecnico nacional ***án 55La Laguna Ticoman07340 MexicoCDMXMexico Benemérita Universidad Autónoma de Puebla Ciudad Universitaria Col.San ManuelPueblaPueMexico
To explain the presence and spatial distribution of nO_(3)^(−)and n-nH_(3)in the Aquifer of the Metropolitan Area of Mexico City(AMAMC),a hydrogeochemical and isotopic analysis using^(13)C DIC(as well as the stable is... 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
Data-driven drug repositioning using olfactory omics profiles:challenges and perspectives in neurodegeneration
收藏 引用
neural Regeneration Research 2025年 第7期20卷 1997-1998页
作者: Paz Cartas-Cejudo Adriana Cortés Mercedes Lachén-Montes Elena Anaya-Cubero joaquín Fernández-Irigoyen Enrique Santamaría Clinical neuroproteomics Unit Proteomics PlatformNavarrabiomedHospitalario Universitario de Navarra(HUN)Universidad Pública de Navarra(UPNA)IdiSNANavarra Institute for Health ResearchPamplonaSpain
Data-driven drug repositioning using olfactory omics profiles-challenges and perspectives in neurodegeneration:neurodegenerative diseases are characterized by progressive degeneration and loss of neuronal function in ... 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
Fabrication and characterisation of random and aligned electrospun scaffolds to investigate hypothalamic stem/progenitor cell behaviour
收藏 引用
Engineered Regeneration 2024年 第1期5卷 11-20页
作者: Selina Beal Iain Stewart Paul Hatton Marysia Placzek Ilida ortega School of Clinical Dentistry and Insigneo Institute Claremont CrescentUniversity of SheffieldSheffield S102TAUK School of Biosciences University of SheffieldEnglandUK national Heart and Lung Institute Imperial CollegeLondon SW36LYUK
Tanycytes are stem/progenitor cells that reside in the hypothalamus of the adult vertebrate *** can be cultured as free-floating neurospheres in vitro but tend to spontaneously differentiate over *** we asked whether ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Efficacy of 1% Permethrin and 2% Permethrin Combined with 1% Piperonyl Butoxide against Rhipicephalus sanguineus Ticks in naturally Infested Dogs
收藏 引用
Pharmacology & Pharmacy 2024年 第7期15卷 237-247页
作者: Andrea Márquez-Aguado Froylán Ibarra-Velarde joaquín Ambia-Medina Rosa Arias-García Departamento de Parasitologa Facultad de Medicina Veterinaria y Zootecnia Universidad Nacional Autnoma de Mxico Mexico City Mxico Laboratorios Salud Animal S.A de C.V. Mexico City Mxico
The aim of the present study was to compare the ixodicide efficacy of 1% permethrin applied as a shampoo-bath in single treatment and a combined formulation of 2% permethrin + 1% piperonyl butoxide applied as powder i... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论