咨询与建议

限定检索结果

文献类型

  • 89,451 篇 期刊文献
  • 5,350 篇 会议
  • 4,029 册 图书
  • 141 篇 学位论文
  • 16 篇 报纸
  • 2 篇 多媒体

馆藏范围

  • 97,268 篇 电子文献
  • 1,807 种 纸本馆藏

日期分布

学科分类号

  • 36,343 篇 工学
    • 7,325 篇 材料科学与工程(可...
    • 4,225 篇 化学工程与技术
    • 3,805 篇 生物医学工程(可授...
    • 2,648 篇 电子科学与技术(可...
    • 2,529 篇 机械工程
    • 2,040 篇 计算机科学与技术...
    • 1,898 篇 动力工程及工程热...
    • 1,730 篇 地质资源与地质工...
    • 1,446 篇 电气工程
    • 1,416 篇 仪器科学与技术
    • 1,318 篇 水利工程
    • 1,299 篇 力学(可授工学、理...
    • 1,255 篇 环境科学与工程(可...
  • 34,121 篇 医学
    • 28,187 篇 临床医学
    • 4,135 篇 医学技术(可授医学...
    • 3,003 篇 基础医学(可授医学...
    • 2,499 篇 中西医结合
    • 2,035 篇 公共卫生与预防医...
    • 1,530 篇 药学(可授医学、理...
  • 17,550 篇 理学
    • 3,276 篇 物理学
    • 3,133 篇 化学
    • 2,823 篇 数学
    • 2,475 篇 生物学
    • 1,860 篇 地质学
  • 8,386 篇 农学
    • 2,055 篇 作物学
    • 1,807 篇 畜牧学
    • 1,360 篇 农业资源与环境
  • 3,624 篇 管理学
    • 1,548 篇 管理科学与工程(可...
  • 2,479 篇 经济学
    • 2,167 篇 应用经济学
  • 2,023 篇 教育学
    • 1,446 篇 教育学
  • 1,466 篇 法学
  • 1,396 篇 文学
  • 570 篇 艺术学
  • 549 篇 历史学
  • 486 篇 哲学
  • 164 篇 军事学

主题

  • 990 篇 ct
  • 848 篇 mri
  • 594 篇 美国
  • 538 篇 病人
  • 526 篇 患者
  • 440 篇 mr
  • 431 篇 and
  • 419 篇 of
  • 343 篇 cancer
  • 264 篇 analysis
  • 251 篇 北美洲
  • 230 篇 治疗
  • 196 篇 美利坚合众国
  • 166 篇 诊断
  • 165 篇 disease
  • 159 篇 儿童
  • 147 篇 water
  • 146 篇 应用
  • 145 篇 microstructure
  • 135 篇 energy

机构

  • 174 篇 北京大学
  • 149 篇 同济医科大学附属...
  • 110 篇 清华大学
  • 91 篇 浙江大学
  • 77 篇 university of ch...
  • 75 篇 华中科技大学同济...
  • 68 篇 university of mi...
  • 67 篇 美国加州大学
  • 67 篇 institute for pa...
  • 67 篇 nikhef p.o.box 4...
  • 67 篇 fysikum stockhol...
  • 67 篇 michigan state u...
  • 66 篇 华中科技大学
  • 66 篇 national researc...
  • 66 篇 institut fur the...
  • 66 篇 dept.of physics ...
  • 66 篇 compas group ins...
  • 65 篇 rudolf peierls c...
  • 63 篇 nstitucio catala...
  • 62 篇 department of ph...

作者

  • 241 篇 叶鹏
  • 232 篇 m.k
  • 117 篇 郭俊
  • 113 篇 刘莉
  • 86 篇 m.white
  • 85 篇 h.murayama
  • 85 篇 j.d.jackson
  • 85 篇 g.d'ambrosio
  • 77 篇 朱国栋
  • 74 篇 唐光健
  • 53 篇 p.de jong
  • 49 篇 王铮
  • 49 篇 刘凯
  • 45 篇 余英豪
  • 44 篇 郭战宏
  • 41 篇 崔荣
  • 41 篇 linda m.chung
  • 38 篇 graul a i
  • 37 篇 y.hatsukawa
  • 36 篇 李长根

语言

  • 60,110 篇 中文
  • 38,866 篇 英文
  • 2 篇 日文
  • 2 篇 其他
  • 1 篇 法文
检索条件"作者=Jared h.Grah.m"
98989 条 记 录,以下是71-80 订阅
排序:
Superior antibody and membrane protein‑specific T‑cell responses to CoronaVac by intradermal versus intramuscular routes in adolescents
收藏 引用
World Journal of Pediatrics 2024年 第4期20卷 353-370页
作者: Jaime S.Rosa Duque Samuel m.S.Cheng Carolyn A.Cohen Daniel Leung Xiwei Wang Xiaofeng mu Yuet Chung Tsun ming Lau manni Wang Wenyue Zhang Yanmei Zhang howard h.W.Wong Leo C.h.Tsang Sara Chaothai Tsz Chun Kwan John K.C.Li Karl C.K.Chan Leo L.h.Luk Jenson C.h.ho Wing Yan Li Amos m.T.Lee Jennifer h.Y.Lam Sau man Chan Wilfred h.S.Wong Issan Y.S.Tam masashi mori Sophie A.Valkenburg malik Peiris Wenwei Tu Yu Lung Lau Department of Paediatrics and Adolescent medicine The University of Hong KongHong KongChina School of Public health The University of Hong KongHong KongChina hKU‑Pasteur Research Pole School of Public HealthThe University of Hong KongHong KongChina Research Institute for Bioresources and Biotechnology Ishikawa Prefectural UniversityNonoichiJapan Department of microbiology and Immunology Peter Doherty Institute for Infectionand ImmunityUniversity of MelbourneMelbourneVICAustralia Center for Immunology and Infection C2i Hong KongChina
Background Optimising the immunogenicity of COVID-19 vaccines to improve their protection against disease is *** dosing by intradermal(ID)administration has been shown to be equally immunogenic as intramuscular(Im)adm... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Summer Warming Limited Bud Output Drives a Decline in Daughter Shoot Biomass through Reduced Photosynthetis of Parent Shoots in Leymus chinensis Seedlings
收藏 引用
Phyton-International Journal of Experimental Botany 2024年 第7期93卷 1667-1675页
作者: Song Gao Ruocheng Xu Lin Li Jiao Wang Nian Liu Johannes m.h.Knops Junfeng Wang Graduate School Changchun UniversityChangchun130022China Key Laboratory of Vegetation Ecology Ministry of EducationInstitute of Grassland ScienceSchool of Life SciencesJilin Songnen Grassland Ecosystem National Observation and Research StationNortheast Normal UniversityChangchun130024China Jilin Agricultural Radio and Television School Changchun130599China Department of health and Environmental Sciences Xi’an Jiaotong Liverpool UniversitySuzhou215000China
Understanding how summer warming influences the parent and daughter shoot production in a perennial clonal grass is vital for comprehending the response of grassland productivity to global ***,we conducted a simulated ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Benchmarks for Pirá2.0,a Reading Comprehension Dataset about the Ocean,the Brazilian Coast,and Climate Change
收藏 引用
Data Intelligence 2024年 第1期6卷 29-63页
作者: Paulo Pirozelli marcos m.José Igor Silveira Flávio Nakasato Sarajane m.Peres Anarosa A.F.Brandão Anna h.R.Costa Fabio G.Cozman Universidade de São Paulo Ringgold Standard Institution-Instituto de Estudos Avançados Av.370 São Paulo 05508-900Brazil Universidade de São Paulo Ringgold Standard Institution-Instituto de matemática e Estatística Av.370 São Paulo 05508-900Brazil Universidade de São Paulo Rua Cayowaá876 apto 141SÃO PAULO 05018-001Brazil Universidade de São Paulo Ringgold Standard Institution Escola Politécnica Av.370São Paulo 05508-900Brazil.
Piráis a reading comprehension dataset focused on the ocean,the Brazilian coast,and climate change,built from a collection of scientific abstracts and reports on these *** dataset represents a versatile language reso... 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
Processes involving soil CO_(2)dynamic in a sector of Chaco-Pampean plain,Argentina:An isotope geochemical approach
收藏 引用
Acta Geochimica 2024年 第5期43卷 947-958页
作者: Sanci Romina Panarello héctor Instituto de Geociencias Básicas Aplicadas y Ambientales de Buenos Aires(IGEBA)Facultad de Ciencias Exactas y NaturalesUniversidad de Buenos AiresCABAIntendente Güiraldes 2160Pabellón IIPiso 1C1428EGA Ciudad UniversitariaArgentina Instituto de Geocronología y Geología Isotópica(INGEIS) Facultad de Ciencias Exactas y NaturalesUniversidad de Buenos AiresCABAIntendente Güiraldes 2160Pabellón INGEISC1428EGA Ciudad UniversitariaArgentina
The magnitude and spatial variability of CO_(2)surface emissions and processes involving CO_(2)released to the atmosphere from the soils are relevant issues in the context of climate *** work evaluated CO_(2)fluxes an... 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
A Preliminary Comparative Study on the Centering Algorithms for CassiniISS NAC Images
收藏 引用
Research in Astronomy and Astrophysics 2024年 第10期24卷 58-65页
作者: T.Liang Q.-F.Zhang G.-m.Liu W.-h.Zhu C.-S.Wang Department of Computer Science Jinan UniversityGuangzhou 510632China Sino-French Joint Laboratory for Astrometry Dynamics and Space ScienceJinan UniversityGuangzhou 510632China School of Computer Science Guangdong University of EducationGuangzhou 510303China
Obtaining high precision is an important consideration for astrometric studies using images from the Narrow Angle Camera(NAC)of the Cassini Imaging Science Subsystem(ISS).Selecting the best centering algorithm is key ... 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
modelling dynamic pantograph loads with combined numerical analysis
收藏 引用
Railway Engineering Science 2024年 第1期32卷 81-94页
作者: F.F.Jackson R.mishra J.m.Rebelo J.Santos P.Antunes J.Pombo h.magalhaes L.Wills m.Askill School of Computing and Engineering University of HuddersfieldHuddersfieldUK School of Computing and Engineering Institute of Railway ResearchUniversity of HuddersfieldHuddersfieldUK IDmEC Instituto Superior TecnicoUniversidade de LisboaLisbonPortugal ISEL Instituto Politecnico de LisboaLisbonPortugal hitachi Rail Newton AycliffeUK Wabtec/Brecknell Willis ChardUK
Appropriate interaction between pantograph and catenary is imperative for smooth operation of electric *** heights of overhead lines to accommodate level crossings,overbridges,and tunnels pose significant challenges i... 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
Well-Posedness of Stochastic Continuity Equations on Riemannian manifolds
收藏 引用
Chinese Annals of mathematics,Series B 2024年 第1期45卷 81-122页
作者: Luca GALImBERTI Kenneth h.KARLSEN Department of mathematical Sciences NTNU Norwegian University of Science and TechnologyN-7491 TrondheimNorway Department of mathematics University of OsloP.O.Box 1053BlindernN-0316 OsloNorway
The authors analyze continuity equations with Stratonovich stochasticity,■ρ+divh[ρo(u(t,x)+∑_(i=1)^(N)a_(i)(x)w_(i)(t))]=0defined on a smooth closed Riemannian manifold m with metric *** velocity field u is pertur... 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
Frequency-dependent viscoelasticity effects on the wave attenuation performance of multi-layered periodic foundations
收藏 引用
Applied mathematics and mechanics(English Edition) 2024年 第3期45卷 407-424页
作者: m.SAFI m.VAKILIFARD m.J.mAhmOODI Faculty of Civil Water&Environmental EngineeringShahid Beheshti UniversityTehran ***Iran Faculty of mechanical and Energy Engineering Shahid Beheshti UniversityTehran ***Iran
In this paper,layered periodic foundations(LPFs)are numerically examined for their responses to longitudinal and transverse modes in the time and frequency *** different unit-cells,i.e.,2-layer,4-layer,and 6-layer uni... 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
Identifying genetic susceptibility to Aspergillus fumigatus infection using collaborative cross mice and RNA-Seq approach
收藏 引用
Animal models and Experimental medicine 2024年 第1期7卷 36-47页
作者: Roa'a h.S.Yosief Iqbal m.Lone Aharon Nachshon heinz himmelbauer Irit Gat-Viks Fuad A.Iraqi Department of Clinical microbiology and Immunology Sackler Faculty of MedicineTel-Aviv UniversityTel-AvivIsrael School of molecular Cell Biology and Biotechnology George S.Wise Faculty of Life SciencesTel Aviv UniversityTel AvivIsrael Institute of Computational Biology Department of BiotechnologyUniversity of Natural Resources and Life SciencesMuthgasse 181190 ViennaAustria
Background:Aspergillus fumigatus(Af)is one of the most ubiquitous fungi and its infection potency is suggested to be strongly controlled by the host genetic *** aim of this study was to search for candidate genes asso... 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 impact of chemotherapy-naïve open radical cystectomy delay and perioperative transfusion on the recurrence-free survival: A perioperative parameters-based nomogram
收藏 引用
Asian Journal of Urology 2024年 第2期11卷 294-303页
作者: Ahmed m.harraz Ahmed Elkarta mohamed h.Zahran Ahmed mosbah Atallah A.Shaaban hassan Abol-Enein Urology and Nephrology Center Mansoura UniversityEgypt
Objective: To develop and internally validate a nomogram to predict recurrence-free survival (RFS) including the time to radical cystectomy (RC) and perioperative blood transfusion (PBT) as potential ***: Patients who... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论