咨询与建议

限定检索结果

文献类型

  • 11,761 篇 期刊文献
  • 740 篇 会议
  • 262 册 图书
  • 3 篇 学位论文

馆藏范围

  • 12,665 篇 电子文献
  • 106 种 纸本馆藏

日期分布

学科分类号

  • 5,859 篇 医学
    • 5,025 篇 临床医学
    • 806 篇 医学技术(可授医学...
    • 715 篇 基础医学(可授医学...
    • 477 篇 公共卫生与预防医...
    • 392 篇 中西医结合
    • 331 篇 药学(可授医学、理...
  • 4,983 篇 工学
    • 1,427 篇 材料科学与工程(可...
    • 896 篇 生物医学工程(可授...
    • 894 篇 化学工程与技术
    • 530 篇 电子科学与技术(可...
    • 457 篇 机械工程
    • 454 篇 环境科学与工程(可...
    • 412 篇 电气工程
    • 369 篇 力学(可授工学、理...
    • 368 篇 动力工程及工程热...
    • 333 篇 核科学与技术
    • 328 篇 地质资源与地质工...
    • 325 篇 计算机科学与技术...
    • 311 篇 冶金工程
  • 4,165 篇 理学
    • 1,309 篇 化学
    • 1,215 篇 物理学
    • 1,046 篇 生物学
    • 494 篇 数学
    • 434 篇 地质学
    • 405 篇 地球物理学
    • 398 篇 天文学
    • 353 篇 生态学
  • 1,539 篇 农学
    • 547 篇 作物学
    • 414 篇 畜牧学
    • 318 篇 农业资源与环境
  • 297 篇 管理学
  • 255 篇 教育学
  • 167 篇 经济学
  • 105 篇 法学
  • 82 篇 文学
  • 53 篇 历史学
  • 41 篇 艺术学
  • 29 篇 哲学
  • 5 篇 军事学

主题

  • 131 篇 患者
  • 74 篇 mri
  • 58 篇 ct
  • 39 篇 安慰剂对照
  • 31 篇 liver
  • 30 篇 analysis
  • 30 篇 基因突变
  • 29 篇 dna
  • 28 篇 药物治疗
  • 27 篇 phylogeny
  • 27 篇 认知功能
  • 27 篇 mr
  • 26 篇 危险因素
  • 26 篇 中国
  • 25 篇 acid
  • 25 篇 diabetes
  • 24 篇 小麦
  • 24 篇 随机试验
  • 23 篇
  • 22 篇 磁共振成像

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...
  • 67 篇 department of ph...
  • 66 篇 national researc...
  • 66 篇 department of ph...
  • 66 篇 kobayashi-maskaw...
  • 66 篇 high energy phys...
  • 66 篇 department of ph...

作者

  • 85 篇 h.murayama
  • 85 篇 j.d.jackson
  • 85 篇 g.d'ambrosio
  • 85 篇 m.white
  • 85 篇 p.de jong
  • 84 篇 v.i.belousov
  • 84 篇 v.burkert
  • 82 篇 y.hayato
  • 82 篇 a.v.gritsan
  • 81 篇 a.gurtu
  • 80 篇 m.carena
  • 80 篇 a.masoni
  • 78 篇 s.rolli
  • 74 篇 a.d.martin
  • 74 篇 b.heltsley
  • 73 篇 s.r.klein
  • 73 篇 d.h.weinberg
  • 70 篇 u.f.katz
  • 69 篇 m.titov
  • 67 篇 叶鹏

语言

  • 6,839 篇 中文
  • 5,922 篇 英文
  • 2 篇 其他
检索条件"作者=You-j.n j.on"
12766 条 记 录,以下是61-70 订阅
排序:
Ground-based and additional science support for SMILE
收藏 引用
Earth and Planetary Physics 2024年 第1期8卷 275-298页
作者: j.A.Carter M.Dunlop C.Forsyth K.Oksavik E.Donovon A.Kavanagh S.E.Milan T.Sergienko R.C.Fear D.G.Sibeck M.Connors T.Yeoman X.Tan M.G.G.T.Taylor K.McWilliams j.Gjerloev R.Barnes D.D.Billet G.Chisham A.Dimmock M.P.Freeman D.-S.Han M.D.Hartinger S.-Y.W.Hsieh Z.-j.Hu M.K.james L.juusola K.Kauristie E.A.Kronberg M.Lester j.Manuel j.Matzka I.McCrea Y.Miyoshi j.Rae L.Ren F.Sigernes E.Spanswick K.Sterne A.Steuwer T.Sun M.-T.Walach B.Walsh C.Wang j.Weygand j.Wild j.Yan j.Zhang Q.-H.Zhang Planetary Sciences Group School of Physics and AstronomyUniversity of LeicesterUniversity RoadLeicesterLE17RHUK Rutherford Appleton Laboratory Space Science Technology Facilities CouncilOxfordshireUK School of Space and Environment Beihang UniversityBeijing 100191China Key Laboratory of Space Environment Monitoring and Information Processing Ministry of Industry and Information TechnologyBeijing 100017China Department of Space and Climate Physics UCLMullard Space Science LaboratoryHolmbury St.MaryDorkingSurreyRH56NTUK Birkeland Centre for Space Science Department of Physics and Technology.University of BergenBergenNorway Department of Physics and Astronomy University of Calgary2500 University DriveCalgaryAlbertaCanada T2N 1N4 British Antarctic Survey CambridgeUK Swedish Institute of Space Physics KirunaSweden West Highfield Campus University of SouthamptonUniversity RoadSO171BJUK Goddard Space Flight Center NASAGreenbeltMarylandUSA Athabasca University AthabascaCanada ESTEC European Space AgencyNetherlands University of Saskatchewan SaskatoonCanada The johns Hopkins University Applied Physics Laboratory LaurelMarylandUSA Swedish Institude of Space Physics UppsalaSE 75121Sweden Tongji University Shanghai 200092China Center for Space Plasma Physics Space Science Institute4765 Walnut Street Suite BBoulderColorado80301USA Polar Research Institute of China Shanghai 200136China Finnish Meteorological Institute(FMI) Finland Department of Earth and Environmental Sciences(Geophysics) Ludwig Maximilian University of Munich(LMU)MunichTheresienstr.41MunichD-80333Germany Canadian Space Agency MontrealCanada GFZ German Research Centre for Geosciences PotsdamGermany nagoya University Institute for Space Earth Environment ResearchCenter for Integrated Data ScienceNagoyaAichiJP 464-8601 northumbria University Newcastle upon TyneTyne and WearUK NE18ST national Space Science Center Chinese Academy SciencesBeijing 100190China Arctic Geophysics University Centre in Svalbard
The joint European Space Agency and Chinese Academy of Sciences Solar wind Magnetosphere Ionosphere Link Explorer(SMILE)mission will explore global dynamics of the magnetosphere under varying solar wind and interplane... 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
Influence of biomass burning on ozone levels in the Megalopolis of Central Mexico during the COVID-19 lockdown
收藏 引用
journal of Environmental Sciences 2024年 第9期143卷 99-115页
作者: Victor Almanza Luis Gerardo Ruiz-Suárez Ricardo Torres-jardón Agustín García-Reynoso Iván Y.Hernández-Paniagua Institute for Atmospheric Sciences and Climate Change National Autonomous University of MexicoCoyoacan 04510Mexico CityMexico
The massive reductions in anthropogenic emissions resulting from the COVID-19 lockdown provided a unique opportunity to evaluate the effect of mitigation measures aiming to abate air *** Mexico,the total lockdown peri... 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
Comparisons of oxbow lake fish assemblages in relation to bigheaded carp establishment in the lower White River, Arkansas
收藏 引用
Ecological Processes 2024年 第1期13卷 188-205页
作者: Michael A.Eggleton Cody j.Salzmann joseph E.Kaiser Shannon C.F.Smith Department of Aquaculture and Fisheries University of Arkansas at Pine Bluff Arkansas Game and Fish Commission Virginia Institute of Marine Science
Background Since the late 1990s, bigheaded carps(largely silver carp [Hypophthalmichthys molitrix] but also bighead carp [H. nobilis]) have established throughout the lower Mississippi River basin. Using previously st... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
Drought events influence nutrient canopy exchanges and green leaf partitioning during senescence in a deciduous forest
收藏 引用
Forest Ecosystems 2024年 第1期11卷 110-119页
作者: j.Touche C.Calvaruso P.De Donato M.-P.Turpault InRAE BEFF-54000NancyFrance UMR 7359 GeoRessourcesFaculte des Sciences-Campus des Aiguillettes54506Vandoeuvre Les NancyFrance EcoSustain Environmental Engineering OfficeResearch and DevelopmentKanfen57330France
The increase in the frequency and intensity of drought events expected in the coming decades in Western Europe may disturb forest biogeochemical cycles and create nutrient deficiencies in *** possible origin of nutrie... 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
Hepatic angiotensin-converting enzyme 2 expression in metabolic dysfunction-associated steatotic liver disease and in patients with fatal COVID-19
收藏 引用
World journal of Gastroenterology 2024年 第31期30卷 3705-3716页
作者: Angus K jacobs Steven D Morley Kay Samuel Katie Morgan Lyndsey Boswell Timothy j Kendall David A Dorward j.nathan A Fallowfield Peter C Hayes john n Plevris Hepatology Laboratory University of EdinburghEdinburgh EH164SBUnited Kingdom Scottish national Blood Transfusion Service Jack Copland CentreEdinburgh EH144BEUnited Kingdom Institute for Regeneration and Repair University of EdinburghEdinburgh EH164UUUnited Kingdom Edinburgh Pathology University of EdinburghEdinburgh EH164SBUnited Kingdom
BACKGROUnD Metabolic dysfunction-associated steatotic liver disease(MASLD),characterised by hepatic lipid accumulation,causes inflammation and oxidative stress accompanied by cell damage and *** injury(LI)is also freq... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Role of aminopeptidase n-like in the acquisition of begomoviruses by Bemisia tabaci,the whitefly vector
收藏 引用
Insect Science 2024年 第3期31卷 707-719页
作者: Yun-Yun Fan Yao Chi na Chen Wilmer j.Cuellar Xiao-Wei Wang Ministry of Agriculture Key Lab of Molecular Biology of Crop Pathogens and Insects Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang ProvinceInstitute of Insect SciencesZhejiang UniversityHangzhouChina Zhejiang Tianmushan national nature Reserve Administration HangzhouChina Institute of Plant Protection Liaoning Academy of Agricultural SciencesShenyangChina Virology Laboratory Cassava ProgramInternational Center for Tropical Agriculture(CIAT)PalmiraColombia
Sri Lankan cassava mosaic virus(SLCMV)is a prominent causative agent of cassava mosaic disease in Asia and relies on the whitefly Bemisia tabaci cryptic complex for its ***,the molecular mechanisms involved in SLCMV t... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Systemic Inflammation Response Index and weight loss as prognostic factors in metastatic pancreatic cancer: A concept study from the PAnTHEIA-SEOM trial
收藏 引用
World journal of Gastrointestinal Oncology 2024年 第2期16卷 386-397页
作者: Vilma Pacheco-Barcia Sara Custodio-Cabello Fatima Carrasco-Valero Magda Palka-Kotlowska Axel Mariño-Mendez Alberto Carmona-Bayonas javier Gallego A j Muñoz Martín Paula jimenez-Fonseca Luis Cabezon-Gutierrez Department of Medical Oncology Hospital Universitario de TorrejonMadrid 28850Spain Department of Internal Medicine Hospital Universitario de TorrejonMadrid 28850Spain Department of Medical Oncology Hospital Universitario Central de AsturiasOviedo 33011Spain Department of Medical Oncology Hospital Universitario Morales MeseguerUniversity of MurciaMurcia 30001Spain Department of Medical Oncology Hospital General Universitario de ElcheElche 03202Spain Department of Medical Oncology Hospital General Universitario Gregorio MarañónUniversidad Complutense MadridMadrid 28007Spain Universidad Francisco de Vitoria Madrid 28223Spain
BACKGROUnD The prognostic value of the Systemic Inflammation Response Index(SIRI)in advanced pancreatic cancer is recognized,but its correlation with patients´nutritional status and outcomes remains *** To study the ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Dominance of transposable element‑related satDnAs results in great complexity of“satDnA library”and invokes the extension towards“repetitive DnA library”
收藏 引用
Marine Life Science & Technology 2024年 第2期6卷 236-251页
作者: Monika Tunjić‑Cvitan Daniel García‑Souto juan j.Pasantes EvaŠatović‑Vukšić Division of Molecular Biology Ruđer BoškovićInstitute10000 ZagrebCroatia Genomes and Disease Centre for Research in Molecular Medicine and Chronic Diseases(CIMUS)Universidade de Santiago de Compostela15706 Santiago de CompostelaSpain Department of Zoology Genetics and Physical AnthropologyUniversidade de Santiago de Compostela15706 Santiago de CompostelaSpain Centro de Investigación Mariña Dpto de BioquímicaXenética e InmunoloxíaUniversidade de Vigo36310 VigoSpain
Research on bivalves is fast-growing,including genome-wide analyses and genome *** characteristics qualify oysters as a valuable model to explore repetitive DnA sequences and their genome *** we char-acterize the sate... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
The global stability and optimal control of the COVID-19 epidemic model
收藏 引用
International journal of Biomathematics 2024年 第1期17卷 1-28页
作者: Fengsheng Chien Hassan Saberi nik Mohammad Shiraziant j.F.Gomez-Aguilar School of Finance and Accounting Fuzhou University of International Studies and Trade Fuzhou 352020 P.R.China Faculty of Business City university of Macao Macao 999078P.R.China Department of Mathematics and Statistics University of neyshabur NeyshaburIran COnACyT-Tecnologico nacional de Mécico/CEnIDET Interior Internado Palmira S/n Col.Palmira C.P.62490CuernavacaMorelosMérico
This paper considers stability analysis of a Susceptible-Exposed-Infected-Recovered-Virus(SEIRV)model with nonlinear incidence rates and indicates the severity and weakness of control factors for disease *** Lyapunov ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
new insights into nitric oxide biosynthesis underpin lateral root development
收藏 引用
Molecular Plant 2024年 第5期17卷 691-693页
作者: Kapuganti jagadis Gupta nidhi Yadav Aprajita Kumari Gary j.Loake national Institute for Plant Genome Research Aruna Asaf Ali MargNew Delhi 110070India Institute of Molecular Plant Sciences School of Biological SciencesUniversity of EdinburghEH93BF EdinburghUK Centre for Engineering Biology School of Biological SciencesUniversity of EdinburghEH93BF EdinburghUK
In recent years,nitric oxide(nO)has emerged as a key redox signaling molecule in plants functioning in the regulation of key developmental programs and the orchestration of responses to a plethora of environmental cue... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论