咨询与建议

限定检索结果

文献类型

  • 60,027 篇 期刊文献
  • 4,234 篇 会议
  • 3,196 册 图书
  • 47 篇 学位论文
  • 14 篇 报纸

馆藏范围

  • 66,217 篇 电子文献
  • 1,377 种 纸本馆藏

日期分布

学科分类号

  • 26,904 篇 工学
    • 6,672 篇 材料科学与工程(可...
    • 4,250 篇 化学工程与技术
    • 3,020 篇 生物医学工程(可授...
    • 2,947 篇 机械工程
    • 2,348 篇 计算机科学与技术...
    • 2,340 篇 动力工程及工程热...
    • 2,210 篇 电子科学与技术(可...
    • 1,877 篇 地质资源与地质工...
    • 1,835 篇 力学(可授工学、理...
    • 1,830 篇 电气工程
    • 1,795 篇 环境科学与工程(可...
    • 1,599 篇 冶金工程
    • 1,536 篇 水利工程
    • 1,404 篇 控制科学与工程
    • 1,361 篇 建筑学
  • 22,468 篇 医学
    • 18,615 篇 临床医学
    • 2,811 篇 基础医学(可授医学...
    • 2,713 篇 医学技术(可授医学...
    • 2,059 篇 公共卫生与预防医...
    • 1,625 篇 中西医结合
  • 16,989 篇 理学
    • 5,032 篇 化学
    • 4,541 篇 物理学
    • 4,060 篇 生物学
    • 2,001 篇 数学
    • 1,847 篇 地质学
    • 1,683 篇 地球物理学
    • 1,371 篇 天文学
  • 6,421 篇 农学
    • 2,052 篇 作物学
    • 1,462 篇 畜牧学
  • 3,296 篇 管理学
  • 1,991 篇 经济学
    • 1,737 篇 应用经济学
  • 1,891 篇 教育学
  • 1,435 篇 法学
  • 1,217 篇 文学
  • 661 篇 艺术学
  • 511 篇 历史学
  • 421 篇 哲学
  • 138 篇 军事学

主题

  • 513 篇 ct
  • 509 篇 mri
  • 407 篇 美国
  • 388 篇 患者
  • 266 篇 病人
  • 241 篇 mr
  • 172 篇 中国
  • 154 篇 analysis
  • 152 篇 of
  • 150 篇 北美洲
  • 134 篇 and
  • 130 篇 cancer
  • 123 篇 治疗
  • 117 篇 diabetes
  • 108 篇 美利坚合众国
  • 100 篇 acid
  • 90 篇 health
  • 85 篇 应用
  • 80 篇 pet
  • 79 篇 儿童

机构

  • 189 篇 香港理工大学
  • 123 篇 西南民族大学
  • 117 篇 北京大学
  • 104 篇 南京大学
  • 72 篇 同济大学
  • 71 篇 university of ch...
  • 68 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 department of ph...
  • 66 篇 national researc...
  • 66 篇 nstitucio catala...
  • 66 篇 school of physic...
  • 66 篇 香港城市大学

作者

  • 144 篇 叶鹏
  • 85 篇 h.murayama
  • 85 篇 j.d.jackson
  • 85 篇 g.d'ambrosio
  • 85 篇 m.white
  • 82 篇 刘闯
  • 80 篇 p.de jong
  • 67 篇 china
  • 66 篇 v.i.belousov
  • 54 篇 joanna c.lee
  • 53 篇 郭俊
  • 52 篇 王铮
  • 50 篇 v.burkert
  • 46 篇 刘莉
  • 42 篇 朱国栋
  • 37 篇 崔荣
  • 37 篇 kavli ipmu
  • 36 篇 余英豪
  • 35 篇 l.pape
  • 34 篇 y.hayato

语言

  • 42,609 篇 中文
  • 24,866 篇 英文
  • 19 篇 其他
检索条件"作者=Márcio c.Sampaio"
67518 条 记 录,以下是21-30 订阅
排序:
Foraging valor linked with aggression:selection against completely abandoning aggression in the high-elevation ant Tetramorium alpestre?
收藏 引用
Insect Science 2024年 第3期31卷 953-970页
作者: marie-Luise contala Patrick Krapf Florian m.Steiner Birgit c.Schlick-Steiner molecular Ecology Group Department of EcologyUniversitat InnsbruckInnsbruckAustria rganismal&Evolutionary Biology Research Programme University of HelsinkiHelsinkiFinland
Aggression has multiple benefits and is often coupled with other behaviors("behavioral syndromes").The level of aggressiveness is influenced by an adaptive benefit-cost ratio suggesting that benefits should outweigh t... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Liquid crystal immunosensors for the selective detection of Escherichia coli with a fast analysis tool
收藏 引用
Photonics Research 2024年 第7期12卷 1564-1573页
作者: SANDRO c.OLIVEIRA mARIA S.SOARES BÁRBARA V.GONÇALVES ANDREIA c.m.RODRIGUES AmADEU m.V.m.SOARES RITA G.SOBRAL NUNO F.SANTOS JAN NEDOmA PEDRO L.ALmEIDA cARLOS mARQUES cIcEcO-Aveiro Institute of materials Physics DepartmentUniversity of Aveiro3810-193 AveiroPortugal i3N Physics DepartmentUniversity of Aveiro3810-193 AveiroPortugal Associate Laboratory i4HB-Institute for Health and Bioeconomy School of Sciences and TechnologyNOVA University of Lisbon1099-085 LisbonPortugal cESAm-centre for Environmental and marine Studies and Department of Biology University of Aveiro3810-193 AveiroPortugal Department of Telecommunications VSB-Technical University of OstravaOstrava 70800Czech Republic i3N-cENImAT School of Sciences and TechnologyNOVA University of Lisbon1099-085 LisbonPortugal UnIRE ISELPolytechnic Institute of Lisbon1549-020 LisbonPortugal Department of Physics VSB-Technical University of OstravaOstrava 70800Czech Republic
The consumption of contaminated food may cause serious illnesses,and traditional methods to detect Escherichia coli are still associated with long waiting times and high costs given the necessity to transport samples ... 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
Genomic mosaicism of the Brain:Origin,Impact,and Utility
收藏 引用
Neuroscience Bulletin 2024年 第6期40卷 759-776页
作者: Jared H.Graham Johannes c.m.Schlachetzki Xiaoxu Yang martin W.Breuss Department of Pediatrics Section of Clinical Genetics and MetabolismUniversity of Colorado School of MedicineAurora80045-2581COUSA Department of cellular and molecular medicine University of California San DiegoLa Jolla92093-0021San DiegoCAUSA Department of Neurosciences University of California San DiegoLa Jolla92093-0021San DiegoCAUSA Rady children’s Institute for Genomic medicine San Diego92123CAUSA
Genomic mosaicism describes the phenomenon where some but not all cells within a tissue harbor unique genetic ***,research focused on the impact of genomic mosaicism on clinical phenotype—motivated by its involvement... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Long-term trends in the abundance and breeding performance in Adélie penguins:the Argentine Ecosystem monitoring Program
收藏 引用
Advances in Polar Science 2024年 第1期35卷 132-140页
作者: mariana A.JUÁRES Anahím.SILVESTRO Brenda c.ALFONSO m.mercedes SANTOS Departamento Biología de Predadores Tope Instituto Antártico Argentino(IAA)Buenos Aires B1650CSPArgentina consejo Nacional de Investigaciones científicas y Técnicas(cONIcET) Buenos Aires C1425FQBArgentina Laboratorios Anexos Facultad de Ciencias Naturales y MuseoUniversidad Nacional de La PlataLa Plata B1904AMAArgentina INEDES(cONIcET-UNLu) Buenos Aires C1425FQBArgentina Facultad de ciencias Naturales y museo Universidad Nacional de La PlataLa Plata B1900FWAArgentina Instituto Antártico Argentino(IAA) Buenos Aires B1650CSPArgentina
In this work,we report long-term trends in the abundance and breeding performance of Adélie penguins(Pygoscelis adeliae)nesting in three Antarctic colonies(i.e.,at martin Point,South Orkneys Islands;Stranger Point/ca... 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 同方期刊数据库 同方期刊数据库 评论
The influence of resistance exercise training prescription variables on skeletal muscle mass,strength,and physical function in healthy adults:An umbrella review
收藏 引用
Journal of Sport and Health Science 2024年 第1期13卷 47-60页
作者: Jonathan c.mcleod Brad S.currier caroline V.Lowisz Stuart m.Phillips Department of Kinesiology Faculty of ScienceMcMaster UniversityHamilton L8S4L8Canada
Purpose:The aim of this umbrella review was to determine the impact of resistance training(RT)and individual RT prescription variables on muscle mass,strength,and physical function in healthy ***:Following Preferred R... 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
Structural effects induced by dialysis-based purification of carbon nanomaterials
收藏 引用
Nano materials Science 2024年 第4期6卷 475-483页
作者: A.D.Veloso A.m.Ferraria A.m.Botelho do Rego A.S.Viana A.J.S.Fernandes A.J.Fielding R.A.Videira m.c.Oliveira cQ-VR and chemistry Department University of Trás-os-Montes e Alto Douro BSIRG iBB-Institute for Bioengineering and BiosciencesDepartment of Chemical Engineeringand Associate Laboratory i4HB-Institute for Health and BioeconomyInstituto Superior TécnicoUniversidade de Lisboa centro de Química Estrutural Institute of Molecular SciencesDepartamento de Química e BioquímicaFaculdade de CiênciasUniversidade de Lisboa I3N and Physics Department University of AveiroCampus de Santiago Faculty of Science Pharmacy and Biomolecular SchoolLiverpool John Moores University REQUImTE/LAQV Laborat orio de FarmacognosiaDepartamento de QuímicaFaculdade de Farm aciaUniversidade do Porto
Dialysis plays a crucial role in the purification of nanomaterials but its impact on the structural properties of carbon nanomaterials was never ***,a carbon-based nanomaterial generated electrochemically in potassium... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
Review of Networked microgrid Protection:Architectures,challenges,Solutions,and Future Trends
收藏 引用
cSEE Journal of Power and Energy Systems 2024年 第2期10卷 448-467页
作者: Jorge de la cruz Ying Wu John E.candelo-Becerra Juan c.Vasquez Josep m.Guerrero center for Research on microgrids(cROm) Department of Energy TechnologyAalborg University9220 AalborgDenmark Facultad de minas Departamento de Energia Eléctrica y AutomaticaUniversidad Nacional de ColombiaSede MedellinCarrera 80 No.65-223RobledoMedellin 050041Colombia. center for Research on microgrids at UPc(UPc cROm) Department of Electronic EngineeringTechnical University of Catalonia(UPC)08019 Barcelona Spain IcREA Pg.Lluis Companys 2308010 BarcelonaSpain center for Research on microgrids at AAU(AAU cROm) AAU EnergyAalborg University(AAU)9220 Aalborg EastDenmark
Design and selection of advanced protection schemes have become essential for reliable and secure operation of networked *** protection schemes that allow correct operation of microgrids have been proposed for individ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Post-fire recovery of Puya raimondii, vegetation and birds in the puna of Huascarán National Park, Perú
收藏 引用
Journal of mountain Science 2024年 第1期21卷 20-32页
作者: mery L.SUNI Giovana P.VADILLO césar ARANA Enoc JARA-PENA Letty SALINAS m.Estela PONcE Paul m.RAmSAY Plant Physiology Laboratory Faculty of Biological SciencesUniversidad Nacional Mayor de San MarcosLima 15081Peru Natural History museum Universidad Nacional Mayor de San MarcosLima 15072Peru Applied Phytology Laboratory Faculty of Biological SciencesUniversidad Nacional Mayor de San MarcosLima 15081Peru Department of Statistics Faculty of Mathematical SciencesUniversidad Nacional Mayor de San MarcosLima 15081Peru Department of chemical and Biological Sciences Universidad de las Américas PueblaSan Andrés Cholula CP Cholula CP 72810Mexico
A large fire of 233 ha in Huascarán National Park in Peru provided an opportunity to compare plant and bird responses in burned and nearby unburned zones of the puna. Heights and live diameters of flagship Puya raimo... 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
cr-induced fusion reactions to synthesize superheavy elements
收藏 引用
Nuclear Science and Techniques 2024年 第5期35卷 122-130页
作者: S.madhu H.c.manjunatha N.Sowmya B.m.Rajesh L.Seenappa R.S.Susheela Department of Physics R V College of EngineeringBangalore 560074India Visvesvaraya Technological University BelagaviKarnataka 590018India Department of Physics Government First Grade CollegeSrinivasapurKarnataka 563135India Department of Physics Government First Grade CollegeDevanahallyKarnataka 562110India Department of Physics Government First Grade CollegeMulbagalKarnataka 563131India Department of Physics Government First Grade collegeNanjangudOoty RoadMysore 571301India
We investigated ^(50,52-54)cr-induced fusion reactions for the synthesis of the superheavy element in the 104≤Z≤122 *** cross sections produced in this investigation using ^(54)cr projectiles were compared with thos... 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
Hydrocarbon indication in Rio Bonito Formation sandstone:Implication for cO_(2)storage in São Paulo,Brazil
收藏 引用
Energy Geoscience 2024年 第1期5卷 331-341页
作者: Richardson m.Abraham-A Haline V.Rocha Saulo B.de Oliveira colombo c.G.Tassinarri Orlando c.da Silva Institute of Energy and Environment University of São PauloSão PauloBrazil Research centre for Greenhouse Gas Innovation University of São PauloSão PauloBrazil
São Paulo State has witnessed cO_(2)storage-based investigations considering the availability of suitable geologic structures and proximity to primary cO_(2)source sinks related to bioenergy and carbon capture and sto... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论