咨询与建议

限定检索结果

文献类型

  • 28,421 篇 期刊文献
  • 1,283 篇 会议
  • 5 册 图书

馆藏范围

  • 29,709 篇 电子文献
  • 0 种 纸本馆藏

日期分布

学科分类号

  • 13,000 篇 理学
    • 3,696 篇 生物学
    • 3,023 篇 化学
    • 2,992 篇 物理学
    • 2,746 篇 数学
    • 1,406 篇 天文学
    • 1,307 篇 地质学
    • 1,202 篇 地球物理学
    • 1,159 篇 生态学
  • 12,329 篇 医学
    • 10,762 篇 临床医学
    • 1,474 篇 基础医学(可授医学...
    • 1,142 篇 公共卫生与预防医...
  • 12,011 篇 工学
    • 3,638 篇 材料科学与工程(可...
    • 2,151 篇 化学工程与技术
    • 1,696 篇 环境科学与工程(可...
    • 1,564 篇 计算机科学与技术...
    • 1,353 篇 电子科学与技术(可...
    • 1,321 篇 电气工程
    • 1,169 篇 机械工程
    • 1,046 篇 力学(可授工学、理...
    • 933 篇 生物医学工程(可授...
    • 926 篇 动力工程及工程热...
    • 892 篇 地质资源与地质工...
    • 793 篇 水利工程
    • 739 篇 控制科学与工程
    • 668 篇 建筑学
    • 640 篇 仪器科学与技术
  • 3,328 篇 农学
    • 1,515 篇 作物学
    • 840 篇 农业资源与环境
    • 690 篇 园艺学
  • 975 篇 管理学
  • 809 篇 经济学
    • 737 篇 应用经济学
  • 413 篇 法学
  • 405 篇 教育学
  • 325 篇 文学
  • 170 篇 艺术学
  • 83 篇 历史学
  • 68 篇 哲学
  • 26 篇 军事学

主题

  • 177 篇 of
  • 171 篇 analysis
  • 170 篇 cancer
  • 133 篇 and
  • 113 篇 diabetes
  • 110 篇 health
  • 106 篇 disease
  • 105 篇 liver
  • 102 篇 cirrhosis
  • 101 篇 患者
  • 97 篇 simulation
  • 92 篇 covid-19
  • 86 篇 acid
  • 85 篇 treatment
  • 79 篇 case report
  • 79 篇 prevalence
  • 67 篇 survival
  • 66 篇 pollution
  • 65 篇 model
  • 64 篇 benin

机构

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

作者

  • 88 篇 v.i.belousov
  • 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.burkert
  • 81 篇 y.hayato
  • 81 篇 a.v.gritsan
  • 72 篇 a.gurtu
  • 72 篇 m.carena
  • 70 篇 a.masoni
  • 64 篇 kavli ipmu
  • 64 篇 l.pape
  • 42 篇 s.rolli
  • 32 篇 a.d.martin
  • 30 篇 b.heltsley
  • 25 篇 s.r.klein
  • 25 篇 d.h.weinberg
  • 25 篇 u.f.katz

语言

  • 25,694 篇 英文
  • 4,015 篇 中文
检索条件"机构=Servicio de Traumatología"
29709 条 记 录,以下是41-50 订阅
排序:
Highly divergent sympatric lineages of Leptotila verreauxi(Aves:Columbidae)suggest a secondary contact area in the Isthmus of Tehuantepec,Mexico
收藏 引用
Avian Research 2024年 第1期15卷 12-21页
作者: Orlando J.Espinosa-Chávez Adolfo G.Navarro-Sigüenza Hernando Rodríguez-Correa Luis A.Sánchez-González Museo de Zoología“Alfonso L.Herrera” Depto.de Biología EvolutivaFacultad de CienciasUniversidad Nacional Autonoma de MexicoApdo.Postal 70-399CP 04510Ciudad de MexicoMexico Posgrado en Ciencias Biologicas Unidad de PosgradoEdificio D1◦PisoCircuito de PosgradosCiudad UniversitariaUniversidad Nacional Autonoma de MexicoCoyoacanCP 04510CDMXMexico Escuela Nacional de Estudios Superiores Unidad Morelia Universidad Nacional Autonoma de Mexico.Antigua Carretera a Patzcuaro No.8701 Col.Ex Hacienda de San Jose de la HuertaC.P.58190MoreliaMichoacanMexico
Due to a complex geological and biotic history,the Isthmus of Tehuantepec(IT),has been long recognized as a driver for the evolutionary divergence of numerous lowland and highland *** distributed in the lowlands of th... 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
Seasonal variation and host sex affect bat–bat fly interaction networks in the Amazonian savannahs
收藏 引用
Integrative Zoology 2024年 第3期19卷 400-416页
作者: Paulo MEJIA Gustavo Lima URBIETA Bruna da Silva XAVIER IsaíJorge de CASTRO JoséJúlio de TOLEDO Gustavo GRACIOLLI Lucio AndréVIANA DIAS William Douglas CARVALHO Programa de Pós-Graduação em Biodiversidade Tropical Universidade Federal do Amapá(UNIFAP)MacapáAPBrazil Programa de Pós-Graduação em Ecologia Instituto de BiologiaCentro de Ciências da SaúdeUniversidade Federal do Rio de Janeiro(UFRJ)Rio de JaneiroRJBrazil Laboratório de Mamíferos Instituto de Pesquisas Científicas e Tecnológicas do Estado do Amapá(IEPA)MacapáAPBrazil Programa de Pós-Graduação em Biologia Animal Laboratório de SistemáticaEcologia e Evolução(LSEE)Instituto de BiociênciasUniversidade Federal de Mato Grosso do Sul(UFMS)Campo GrandeMTBrazil Terrestrial Ecology Group(TEG-UAM) Departamento de EcologíaFacultad de CienciasUniversidad Autónoma de MadridMadridSpain Centro de Investigación en Biodiversidad y Cambio Global(CIBC-UAM) Universidad Autónoma de MadridMadridSpain
Bats are the second-most diverse group of mammals in the world,and bat flies are their main ***,significant knowledge gaps remain regarding these antagonistic interactions,especially since diverse factors such as seas... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
A Comparison between Late Preterm and Term Infants with Respiratory Distress Syndrome, Early-Onset Sepsis, and Neonatal Jaundice in Ecuadorian Newborns
收藏 引用
Open Journal of Pediatrics 2024年 第1期14卷 22-35页
作者: Teresa Altamirano Molina Colegio Ciencias de la Salud Universidad San Francisco de Quito USFQ calle Diego de Robles s/n y Pampite Quito Ecuador servicio de Neonatología Hospital General del Sur de Quito calle Moraspungo s/n y Pinllopata Quito Ecuador
Background: To examine the differences in prevalence of respiratory distress syndrome, early-onset sepsis and jaundice, between late preterm infants versus term infants in Ecuadorian newborns. Methods: Study design: E... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Extrahepatic cholestasis associated with paracoccidioidomycosis:Challenges in the differential diagnosis of biliopancreatic neoplasia
收藏 引用
World Journal of Gastrointestinal Oncology 2024年 第6期16卷 2531-2540页
作者: Jose Sebastiao dos Santos Vitor de Moura Arrais William Jose Rosseto Ferreira Ricardo Ribeiro Correa Filho Mariangela Ottoboni Brunaldi Rafael Kemp Ajith Kumar Sankanrakutty Jorge Elias Junior Fernando Bellissimo-Rodrigues Roberto Martinez Edson Zangiacomi Martinez Jose Celso Ardengh Faculdade de Medicina de Ribeirao Preto da Universidade de Sao Paulo(FMRP-USP) Departamento de Cirurgia e AnatomiaRibeirao Preto 14049-900Sao PauloBrazil Universidade de Sao Paulo Faculdade de Medicina de Ribeirao Preto da Universidade de Sao Paulo(FMRP-USP)Departamento de PatologiaRibeirao Preto 14048900Sao PauloBrazil Universidade de Sao Paulo Faculdade de Medicina de Ribeirao Preto da Universidade de Sao Paulo(FMRP-USP)Departamento de Imagens MédicasHematologia e Oncologia ClínicaRibeirao Preto 14048900Sao PauloBrazil Universidade de Sao Paulo Faculdade de Medicina de Ribeirao Preto da Universidade de Sao Paulo(FMRP-USP)Departamento de Medicina SocialRibeirao Preto 14015-010Sao PauloBrazil Universidade de Sao Paulo Faculdade de Medicina de Ribeirao Preto da Universidade de Sao Paulo(FMRP-USP)Departamento de Clínica MédicaRibeirao Preto 14015-010Sao PauloBrazil Universidade de Sao Paulo Faculdade de Medicina de Ribeirao Preto da Universidade de Sao Paulo(FMRP-USP)Departamento de Cirurgia e AnatomiaRibeirao Preto 14049-900Sao PauloBrazil and Hospital MoriahServico de Endoscopia DigestivaSao Paulo 04084-002Sao PauloBrazil
BACKGROUND Paracoccidioidomycosis(PCM)may involve the hepatic pedicle and peripan creatic lymph nodes,cause damage to the bile duct and manifest,exceptionally,in combination with extrahepatic cholestasis(EHC),making i... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Spatial and temporal patterns of forest fires in the Central Monte:relationships with regional climate
收藏 引用
Ecological Processes 2024年 第1期13卷 66-79页
作者: Pablo Eugenio Villagra Erica Cesca Leandro Manuel Alvarez Silvia delgado Ricardo Villalba Instituto Argentino de Nivología Glaciología y Ciencias Ambientales–CONICET-CCT Mendoza Facultad de Ciencias Agrarias Universidad Nacional de Cuyo
Background Natural and anthropogenic wildfires burn large areas of arid and semi-arid forests with significant socio-economic and environmental impacts. Fire regimes are controlled by climate, vegetation type, and ant... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
Quality evaluation of Nothofagus pumilio seeds linked to forest management and climatic events
收藏 引用
Ecological Processes 2024年 第1期13卷 98-107页
作者: Julian Rodríguez-Souilla Jimena E.Chaves María Vanessa Lencinas Juan Manuel Cellini Fidel A.Roig Pablo L.Peri Guillermo Martinez Pastur Laboratorio de Recursos Agroforestales Centro Austral de Investigaciones Científicas (CADIC) Consejo Nacional de Investigaciones Científicas y Técnicas(CONICET ) Laboratorio de Investigaciones en Maderas (LIMAD) Universidad Nacional de la Plata (UNLP) Instituto Argentino de Nivología Glaciología y Ciencias Ambientales (IAN-IGLA) Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET ) Instituto Nacional de Tecnología Agropecuaria (INTA) Universidad Nacional de la Patagonia Austral (UNPA) Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET )
Background Forest ecosystems undergo significant transformations due to harvesting and climate fluctuations, emphasizing the critical role of seeding in natural regeneration and long-term structural preservation. Clim... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
Solar-assisted photocatalytic water splitting using defective UiO-66 solids from modulated synthesis
收藏 引用
Nano Research 2024年 第5期17卷 4134-4150页
作者: Celia M.Rueda-Navarro María Cabrero-Antonino Paula Escamilla Valentín Díez-Cabanes Dong Fan Pedro Atienzar Belén Ferrer Ignacio Vayá Guillaume Maurin Herme G.Baldoví Sergio Navalón departamento de Química Universitat Politècnica de ValènciaCamino de Vera s/nValencia 46022Spain Instituto de Ciencia Molecular(ICMOL) Universitat de ValènciaPaterna 46980Spain ICGM Univ.MontpellierCNRSENSCMMontpellier34095France Instituto de Tecnología Química(UPV-CSIC) Universitat Politècnica de ValènciaAvenida de los Naranjos s/nValencia 46022Spain
Metal-organic frameworks(MOFs)are attracting increasing interests as photocatalysts for solar-driven hydrogen production from *** paper reports on a comparative study of using either acetic acid(AA)or trifluoroacetic ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
AN OPTIMAL CONTROL PROBLEM FOR A LOTKA-VOLTERRA COMPETITION MOdeL WITH CHEMO-REPULSION
收藏 引用
Acta Mathematica Scientia 2024年 第2期44卷 721-751页
作者: Diana I.HERNÁNdeZ Diego A.RUEDA-GOMEZ Élder J.VILLAMIZAR-ROA Universidad Industrial de Santander Escuela de MatemáticasA.A.678BucaramangaColombia
In this paper we study a bilinear optimal control problem for a diffusive Lotka-Volterra competition model with chemo-repulsion in a bounded domain of ℝ^(ℕ),N=2,*** model describes the competition of two species in wh... 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
Stress tensors and quantification of fracture patterns to analyze connectivity and potential fluid flow in a mesa landform of the Northern Andes
收藏 引用
Journal of Mountain Science 2024年 第1期21卷 271-291页
作者: GARCÍA-ARIAS Sergio VELANDIA Francisco ALVAREZ Angélica SANABRIA-GÓMEZ JoséD TARAZONA Yessenia VARGAS María Camila Escuela de Geología Universidad Industrial de SantanderCra.27 Calle 9BucaramangaColombia Escuela de Física Universidad Industrial de SantanderCra.27 Calle 9BucaramangaColombia
This work applies stress tensors inversions and quantification of fracture patterns along the Mesa de Los Santos, in the Eastern Cordillera of Colombia, to better understand the potential fluid flow. It thus contribut... 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
Porphyrins,phthalocyanines,and related covalent-organic frameworks in the photochemical and electrochemical water splitting:A review
收藏 引用
Particuology 2024年 第7期90卷 236-265页
作者: Oxana V.Kharissova Yolanda Peña Méndez Boris I.Kharisov Aleksandr LNikolaev Edith Luévano-Hipólito Lucy T.González Universidad Autónoma de Nuevo León Ave.Universidad s/nSan Nicolás de los GarzaNuevo León66455Mexico department of Chemistry Moscow State UniversityVorobievy HillsMoscowRussia CONACYT-Universidad Autónoma de Nuevo León Facultad de Ingeniería Civil-Departamento de Ecomateriales y EnergíaCd.UniversitariaC.P.66455San Nicolás de los GarzaNLMexico Tecnologico de Monterrey Escuela de Ingeniería y CienciasMonterreyNuevo León 64890Mexico Tecnologico de Monterrey Centro del AguaMonterreyNuevo León 64890Mexico
In this review,the possibilities of photochemical and electrochemical water splitting(WS)using porphyrins,phthalocyanines,related macrocycles,and their metal complexes are *** efforts are being carried out in order to... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论