咨询与建议

限定检索结果

文献类型

  • 2,005 篇 期刊文献
  • 25 篇 会议

馆藏范围

  • 2,030 篇 电子文献
  • 0 种 纸本馆藏

日期分布

学科分类号

  • 1,001 篇 医学
    • 875 篇 临床医学
    • 102 篇 基础医学(可授医学...
    • 98 篇 公共卫生与预防医...
    • 47 篇 中西医结合
  • 879 篇 理学
    • 356 篇 生物学
    • 188 篇 化学
    • 176 篇 物理学
    • 145 篇 生态学
    • 124 篇 天文学
    • 114 篇 数学
    • 110 篇 地球物理学
    • 108 篇 地质学
  • 746 篇 工学
    • 206 篇 环境科学与工程(可...
    • 180 篇 材料科学与工程(可...
    • 135 篇 化学工程与技术
    • 70 篇 林业工程
    • 70 篇 生物医学工程(可授...
    • 69 篇 计算机科学与技术...
    • 67 篇 电气工程
    • 66 篇 电子科学与技术(可...
    • 51 篇 机械工程
    • 51 篇 生物工程
    • 47 篇 水利工程
  • 290 篇 农学
    • 155 篇 作物学
    • 82 篇 农业资源与环境
    • 79 篇 林学
    • 66 篇 畜牧学
    • 65 篇 兽医学
    • 56 篇 园艺学
  • 75 篇 管理学
  • 54 篇 经济学
    • 50 篇 应用经济学
  • 31 篇 教育学
  • 22 篇 法学
  • 19 篇 文学
  • 9 篇 艺术学
  • 8 篇 历史学
  • 5 篇 哲学

主题

  • 32 篇 taxonomy
  • 25 篇 diagnosis
  • 25 篇 covid-19
  • 23 篇 health
  • 22 篇 of
  • 22 篇 brazil
  • 20 篇 phylogeny
  • 20 篇 treatment
  • 19 篇 antioxidant
  • 19 篇 cancer
  • 18 篇 liver
  • 18 篇 stress
  • 17 篇 and
  • 17 篇 energy
  • 16 篇 disease
  • 16 篇 helicobacter pyl...
  • 15 篇 epidemiology
  • 15 篇 inflammatory bow...
  • 14 篇 biodiversity
  • 14 篇 obesity

机构

  • 32 篇 instituto multid...
  • 26 篇 &atilde
  • 19 篇 o paulo brazil
  • 13 篇 center of excell...
  • 13 篇 universidade fed...
  • 12 篇 school of scienc...
  • 12 篇 department of bi...
  • 10 篇 universidade fed...
  • 8 篇 center for high ...
  • 8 篇 nsc kharkiv inst...
  • 8 篇 department of en...
  • 8 篇 european organiz...
  • 8 篇 programa de pós-...
  • 8 篇 oliver lodge lab...
  • 7 篇 infn sezione di ...
  • 7 篇 instituto de fis...
  • 7 篇 infn sezione di ...
  • 7 篇 infn sezione di ...
  • 7 篇 scuola normale s...
  • 7 篇 cavendish labora...

作者

  • 47 篇 fabrício freire ...
  • 23 篇 breno bittencour...
  • 20 篇 hanna santos mar...
  • 19 篇 kevin d.hyde
  • 18 篇 maria luísa cord...
  • 18 篇 marcel silva luz
  • 17 篇 maria inês bruno...
  • 17 篇 márcio vasconcel...
  • 17 篇 janete vettorazz...
  • 15 篇 alexandre beluco
  • 14 篇 filipe antônio f...
  • 14 篇 fabian fellipe b...
  • 14 篇 samuel luca roch...
  • 13 篇 kádima nayara te...
  • 13 篇 cláudio lima sou...
  • 13 篇 edimárlei gonsal...
  • 12 篇 dhanushka n.wana...
  • 11 篇 cristiano lana
  • 11 篇 mingkwan doilom
  • 11 篇 claudio augusto ...

语言

  • 1,929 篇 英文
  • 101 篇 中文
检索条件"机构=Universidade Federal do Parana"
2030 条 记 录,以下是1-10 订阅
排序:
Rotating effects on the photoionization cross-section of a 2D quantum ring
收藏 引用
Communications in Theoretical Physics 2024年 第10期76卷 153-159页
作者: Carlos Magno O Pereira Frankbelson dos S Azevedo Luís Fernando C Pereira Edilberto O Silva Departamento de Física Universidade Federal do Maranh?o
In this article, we investigate the nonrelativistic quantum motion of a charged particle within a rotating frame, taking into account the Aharonov–Bohm(AB) effect and a uniform magnetic field. Our analysis entails th... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
All-electron basis sets for H to Xe specific for ZORA calculations:Applications in atoms and molecules
收藏 引用
Chinese Physics B 2024年 第8期33卷 238-246页
作者: C.S.Gomes F.E.Jorge A.Canal Neto Departamento de Fisica Universidade Federal do Espirito Santo29075-910 VitoriaESBrazil Departamento de Fisica Instituto de Ciencias Exatas e BiologicasUniversidade Federal de Ouro Preto Campus Universitario Morro do Cruzeiro35402-136 Ouro PretoMGBrazil
A segmented basis set of quadruple zeta valence quality plus polarization functions(QZP)for H through Xe was developed to be used in conjunction with the ZORA *** set was augmented with diffuse functions to describe e... 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
Determining the effective elastic thickness through cross-correlation between isostatic disturbances
收藏 引用
Geodesy and Geodynamics 2024年 第3期15卷 241-251页
作者: Nelson Ribeiro-Filho Cristiano Mendel Martins Raissa Moraes Baldez Ivaldevingles Rodrigues de Souza Júnior Franck Eitel Kemgang Ghomsi Instituto federal do Pará(IFPA) AltamiraParáBrazil universidade federal do Pará(UFPA) BelemParáBrazil Nansen-Tutu Center for Marine Environmental Research Department of OceanographyUniversity of Cape TownSouth Africa Geodesy Research Laboratory National Institute of CartographyYaoundeCameroon
The elastic thickness parameter was estimated using the mobile correlation technique between the observed isostatic disturbance and the gravity disturbance calculated through direct gravimetric modeling. We computed t... 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
Generic Modeling and Control Framework for Power Systems dominated by Power Converters Connected Through a Passive Transmission and Distribution Grid
收藏 引用
CSEE Journal of Power and Energy Systems 2024年 第1期10卷 292-301页
作者: Qing-Chang Zhong Marcio Stefanello Department of Electrical and Computer Engineering Illinois Institute of TechnologyChicagoIL 60616USA Syndem LLC USA.M.Stefanello is with the Fundacao Universidade Federal do Pampa at AlegreteRS97546-550Brazil
In this paper,a compact mathematical model having an elegant structure,together with a generic control framework,are proposed for generic power systems dominated by power converters that are interconnected through a p... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Plant growth and metabolism of exotic and native Crotalaria species for mine land rehabilitation in the Amazon
收藏 引用
Journal of Forestry Research 2024年 第1期35卷 143-154页
作者: Hemelyn Soares das Chagas Rafael Silva Guedes Markus Gastauer Paula Godinho Ribeiro Allan Klynger da Silva Lobato Cecílio Frois Caldeira Fabrício William deÁvila AndréRodrigues dos Reis Silvio Junio Ramos Instituto Tecnológico Vale Rua Boaventura da Silva955BelémPA 66055-090Brazil universidade federal do Sul e Sudeste do Pará XinguaraPABrazil Núcleo de Pesquisa Vegetal Básica e Aplicada Universidade Federal Rural da AmazôniaParagominasPABrazil Departamento de Engenharia Florestal Universidade Estadual do Centro-Oeste/UNICENTROIratiPRBrazil School of Sciences and Engineering São Paulo State University(UNESP)TupãSP.CEP 17602-496Brazil
Despite its enormous benefits,mining is respon-sible for intense changes to vegetation and soil ***,after extraction,it is necessary to rehabilitate the mined areas,creating better conditions for the establishment 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
Urea breath test for Helicobacter pylori infection in adult dyspeptic patients: A meta-analysis of diagnostic test accuracy
收藏 引用
World Journal of Gastroenterology 2024年 第6期30卷 579-598页
作者: Fabian Fellipe Bueno Lemos Caroline Tianeze de Castro Marcel Silva Luz Gabriel Reis Rocha Gabriel Lima Correa Santos Luís Guilherme de Oliveira Silva Mariana Santos Calmon Cláudio Lima Souza Ana Carla Zarpelon-Schutz Kádima Nayara Teixeira Dulciene Maria de Magalhães Queiroz Fabrício Freire de Melo Instituto Multidisciplinar em Saúde Universidade Federal da BahiaVitória da Conquista 45029-094BahiaBrazil Instituto de Saúde Coletiva Universidade Federal da BahiaSalvador 40110040BahiaBrazil Campus Toledo Universidade Federal do ParanáToledo 85919-899ParanáBrazil Laboratory of Research in Bacteriology UFMGBelo Horizonte 30130-100Minas GeraisBrazil
BACKGROUND Helicobacter pylori(***)infection has been well-established as a significant risk factor for several gastrointestinal *** urea breath test(UBT)has emerged as a leading non-invasive method for detecting *** ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
A Study of the Comets with Large Perihelion Distances C/2019 L3(ATLAS)and C/2019 O3(Palomar)
收藏 引用
Research in Astronomy and Astrophysics 2024年 第9期24卷 199-213页
作者: Alberto S.Betzler Centro de Ciencia e Tecnologia em Energia e Sustentabilidade Universidade Federal do Recôncavo da BahiaFeira de SantanaBahia44.085-132Brazil
This work analyzes the photometric data of the Oort spike comets C/2019 L3(ATLAS)and C/2019 O3(Palomar)obtained between 2016 and 2023 by the ATLAS network and the Belgian Olmen *** comets Palomar and ATLAS have a typi... 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
Designing for well-Being: Using facial micro-expression analysis and EEG biosensor to evaluate human responses to 2D biophilically-driven geometries
收藏 引用
Frontiers of Architectural Research 2024年 第2期13卷 219-234页
作者: Andrea Macruz Ernesto Bueno Gustavo Sol Jaime Vega Ricardo Palmieri Bing Zhao College of Architecture and Urban Planning Tongji UniversityShanghaiChina universidade Presbiteriana Mackenzie Sao PauloBrazil Centro Universitario Belas Artes Sao PauloBrazil universidade Anhembi Morumbi Sao PauloBrazil universidade federal do ABC Santo AndreBrazil
This research explores the capacity of emerging technologies to enhance well-being. It involves the generation of 2D biophilically-driven geometries to represent human-response-oriented built environments and conducts... 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
Morphological traits explain the individual position within resource-consumer networks of a Neotropical marsupial
收藏 引用
Current Zoology 2024年 第4期70卷 453-464页
作者: Nicholas F.de Camargo Hernani F.M.de Oliveira Juliana F.Ribeiro Amabilio J.A.de Camargo Emerson M.Vieira Laboratorio de Ecologia de Vertebrados Departamento de EcologiaInstituto de Ciencias BiologicasUniversidade de BrasiliaCP 04457BrasiliaDF70910-900Brazil Departamento de Zoologia Setor de Ciencias BiologicasUniversidade Federal do ParanaAvenida Coronel Francisco Heraclito dos Santos100CuritibaPR81531980Brazil Embrapa Cerrados Rodovia BR020km 18CP 08223PlanaltinaDE73310-970Brazil
Knowledge regarding the influence of individual traits on interaction patterns in nature can help understand the topological role of individuals within a network of intrapopulation *** tested hypotheses on the relatio... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Arlenea delicata *** ***.,a new ephedroid plant from the Early Cretaceous Crato Formation,Araripe Basin,Northeast Brazil
收藏 引用
Plant Diversity 2024年 第3期46卷 362-371页
作者: Alita Maria Neves Ribeiro Yong Yang Antonio Alamo Feitosa Saraiva Renan Alfredo Machado Bantim Joao Tavares Calixto Junior Flaviana Jorge de Lima Programa de Pos-Graduaçao em Diversidade Biologica e Recursos Naturais Universidade Regional do CaririRua Carolino SucupiraPimenta63105-160CratoCearaBrazil Co-Innovation Center for Sustainable Forestry in Southern China College of Biology and the Environment159 Longpan RoadNanjing Forestry UniversityNanjing210037China Laboratorio de Paleontologia Universidade Regional do CaririRua Carolino SucupiraPimenta63105-160CratoCearaBrazil Laboratorio de Estudos da Flora Regional Universidade Regional do CaririRua Carolino SucupiraPimenta63105-160CratoCearaBrazil Gondwanan Plants Lab Universidade Federal de PernambucoCentro Academico de VitoriaRua Do Alto Reservatorio S/nBela Vista55608-680Vitoria de Santo AntaoPernambucoBrazil Programa de Pos-Graduaçao em Geociencias(PPGEOC) Universidade Federal de Pernambuco(UFPE)Rua Av.da ArquiteturaS/n°CEP-50740-550Cidade UniversitariaRecifePernambucoBrazil
Ephedroid macrofossils have been widely documented in Cretaceous deposits,including numerous from the Lower Cretaceous Yixian Formation of NE ***,few ephedroid macrofossils have been reported from South ***,we describ... 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