咨询与建议

限定检索结果

文献类型

  • 78,321 篇 期刊文献
  • 5,231 册 图书
  • 5,209 篇 会议
  • 37 篇 学位论文
  • 19 篇 报纸

馆藏范围

  • 86,473 篇 电子文献
  • 2,461 种 纸本馆藏

日期分布

学科分类号

  • 34,630 篇 工学
    • 8,168 篇 材料科学与工程(可...
    • 5,102 篇 化学工程与技术
    • 4,752 篇 生物医学工程(可授...
    • 4,008 篇 机械工程
    • 3,100 篇 电子科学与技术(可...
    • 2,885 篇 计算机科学与技术...
    • 2,872 篇 动力工程及工程热...
    • 2,735 篇 电气工程
    • 2,441 篇 力学(可授工学、理...
    • 2,356 篇 地质资源与地质工...
    • 2,310 篇 环境科学与工程(可...
    • 1,991 篇 冶金工程
    • 1,892 篇 控制科学与工程
    • 1,797 篇 水利工程
  • 29,809 篇 医学
    • 24,679 篇 临床医学
    • 4,419 篇 医学技术(可授医学...
    • 4,058 篇 基础医学(可授医学...
    • 2,847 篇 公共卫生与预防医...
    • 2,194 篇 中西医结合
    • 1,942 篇 药学(可授医学、理...
  • 20,370 篇 理学
    • 5,631 篇 化学
    • 5,260 篇 物理学
    • 5,086 篇 生物学
    • 2,520 篇 地质学
    • 2,402 篇 数学
    • 2,099 篇 地球物理学
  • 8,312 篇 农学
    • 2,631 篇 作物学
    • 2,069 篇 畜牧学
  • 4,242 篇 管理学
    • 1,795 篇 管理科学与工程(可...
  • 2,731 篇 教育学
  • 2,608 篇 经济学
    • 2,256 篇 应用经济学
  • 1,758 篇 法学
  • 1,688 篇 文学
  • 651 篇 艺术学
  • 610 篇 历史学
  • 587 篇 哲学
  • 176 篇 军事学

主题

  • 857 篇 ct
  • 805 篇 美国
  • 671 篇 mri
  • 519 篇 病人
  • 480 篇 患者
  • 419 篇 mr
  • 364 篇 北美洲
  • 291 篇 美利坚合众国
  • 187 篇 治疗
  • 185 篇 应用
  • 166 篇 cancer
  • 145 篇 中国
  • 141 篇 设计
  • 132 篇 诊断
  • 127 篇 analysis
  • 126 篇 产量
  • 125 篇 儿童
  • 122 篇 and
  • 120 篇 方程
  • 118 篇 英国

机构

  • 215 篇 北京大学
  • 123 篇 南京大学
  • 108 篇 清华大学
  • 105 篇 同济大学
  • 95 篇 同济医科大学附属...
  • 83 篇 美国加州大学
  • 82 篇 university of ch...
  • 81 篇 华中科技大学
  • 73 篇 中国科学院大学
  • 70 篇 浙江大学
  • 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...
  • 66 篇 national researc...
  • 66 篇 institut fur the...
  • 66 篇 dept.of physics ...
  • 66 篇 compas group ins...
  • 66 篇 rudolf peierls c...

作者

  • 163 篇 叶鹏
  • 112 篇 郭俊
  • 85 篇 h.murayama
  • 85 篇 j.d.jackson
  • 85 篇 g.d'ambrosio
  • 85 篇 m.white
  • 72 篇 p.de jong
  • 67 篇 刘莉
  • 66 篇 朱国栋
  • 62 篇 j.zhang
  • 61 篇 li j
  • 61 篇 唐光健
  • 50 篇 china
  • 44 篇 王铮
  • 44 篇 郭战宏
  • 43 篇 v.i.belousov
  • 43 篇 胡孔足
  • 42 篇 余英豪
  • 39 篇 崔荣
  • 38 篇 李长根

语言

  • 63,312 篇 中文
  • 25,484 篇 英文
  • 1 篇 德文
  • 1 篇 法文
  • 1 篇 日文
  • 1 篇 其他
检索条件"作者=jürgen Tomas"
88817 条 记 录,以下是1-10 订阅
排序:
Simulation and calibration of granules using the discrete element method
收藏 引用
Particuology 2014年 第1期12卷 40-43页
作者: Peter Müller jürgen tomas Institute of Process Engineering Mechanical Process EngineeringOtto-von-Guericke University MagdeburgUniversitätsplatz 239106 MagdeburgGermany
The discrete element method (DEM), developed by Cundall and 5track to solve geomecnamcai problems, is used to simulate the mechanical behavior of granules. According to the DEM, an individ ual granule can be modele... 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
Harnessing naturally occurring mutations for T-cell therapy:a potential new avenue to enhance treatment efficacy
收藏 引用
Signal Transduction and Targeted Therapy 2024年 第5期9卷 1799-1801页
作者: Michael Hiltensperger jürgen Ruland Kilian Schober Mikrobiologisches Institut-Klinische Mikrobiologie Immunologie und HygieneFriedrich-Alexander-Universität Erlangen-NürnbergErlangenGermany Institute of Clinical Chemistry and Pathobiochemistry School of MedicineTechnical University of MunichMunichGermany TranslaTUM Center for Translational Cancer ResearchTechnical University of MunichMunichGermany German Cancer Consortium(DKTK) HeidelbergGermany German Center for Infection Research(DZIF) partner site MunichMunichGermany FAU Profile Center Immunomedicine Friedrich-Alexander-Universität Erlangen-NürnbergErlangenGermany
In a recent study published in Nature,Garcia et *** a sophisticated approach to identify fitness-enhancing mutations for T cells that was inspired by cancer evolution.1 The identified CARD11-PIK3R3 gene fusion enhance... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Linkage Between European and East Asian Heatwaves on Synoptic Scales
收藏 引用
journal of Tropical Meteorology 2024年 第2期30卷 97-105页
作者: 蔡奋颖 刘彩红 杨崧 邓开强 KURTHS jürgen School of Atmospheric Sciences Sun Yat-sen Universityand Southern Marine Science and Engineering Guangdong Laboratory(Zhuhai)ZhuhaiGuangdong 519082 China Department of Complexity Science Potsdam Institute for Climate Impact Research(PIK)Member of the Leibniz AssociationPotsdam 14473 Germany Department of Water and Climate Risk Institute for Environmental StudiesVrije Universiteit AmsterdamAmsterdam 1087HV Netherlands Guangdong Province Key Laboratory for Climate Change and Natural Disaster Studies Sun Yat-sen UniversityZhuhaiGuangdong 519082 China Department of Physics Humboldt-Universität zu BerlinBerlin 12489 Germany
Concurrent extreme weather events in geographically distant areas potentially cause high-end risks for *** using network analysis,the present study managed to identify significant nearly-simultaneous occurrences of he... 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
Dirac-harmonic maps with the trivial index
收藏 引用
Science China Mathematics 2024年
作者: jürgen jost Linlin Sun jingyong Zhu Max Planck Institute for Mathematics in the Sciences School of Mathematics and Statistics Guangxi Normal University School of Mathematics Sichuan University
For a homotopy class [u] of maps between a closed Riemannian manifold M and a general manifold N, we want to find a Dirac-harmonic map with the map component in the given homotopy class. Most known results require the...
来源: 同方期刊数据库 同方期刊数据库 评论
Potential risk genes for primary Sjogren's syndrome from a meta-analysis by linear regression and random forest classification
收藏 引用
Genes & Diseases 2024年 第3期11卷 128-131页
作者: tomas Cerdo Teresa Torres Moral Maimonides Biomedical Research Institute of Cordoba(IMIBIC) Reina Sofia University HospitalUniversity of CordobaCordoba 14004Spain Centre for Rheumatology Research Division of MedicineUniversity College LondonLondon W1T 4JFUK Faculty of Computer Sciences Multimedia and TelecommunicationUniversitat Oberta de CatalunyaBarcelona 08018Spain Dermatology Department Melanoma UnitAugust Pi i Sunyer Biomedical Research Institute(IDIBAPS)and Hospital ClinicBarcelona 08036Spain Center for Networked Biomedical Research on Rare Diseases(CIBERER) Carlos II Health InstituteMadrid 28029Spain
Primary Sjogren's syndrome(psS)is one of the most widespread autoimmune diseases with unknown origin,characterized by a lymphocytic infiltrate of the exocrine glands and the production of anti-SSA/Ro and anti-SSB/La a... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Recent advancements in thermal conductivity of magnesium alloys
收藏 引用
journal of Magnesium and Alloys 2024年 第5期12卷 1687-1708页
作者: Hao Lv jun Tan Qian Yuan Fanglei Wang Yunxuan Zhou Quan Dong Aitao Tang jürgen Eckert Bin jiang Fusheng Pan National Engineering Research Center for Magnesium Alloys College of Materials Science and EngineeringChongqing UniversityChongqing 400044China National Key Laboratory of Advanced Casting Technologies Chongqing UniversityChongqing 400044China Department of Materials Science Chair of Materials PhysicsMontanuniversität LeobenJahnstraße 12Leoben A-8700Austria Erich Schmid Institute of Materials Science Austrian Academy of SciencesJahnstraße 12Leoben A-8700Austria
As highly integrated circuits continue to advance,accompanied by a growing demand for energy efficiency and weight reduction,materials are confronted with mounting challenges pertaining to thermal conductivity and lig... 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
Nondestructive and active interrogation system for special nuclear material:proof of principle and initial results
收藏 引用
Nuclear Science and Techniques 2024年 第5期35卷 216-225页
作者: Mahmoud Bakr Kai Masuda Yoshiyuki Takahashi Tsuyoshi Misawa Norio Yamakawa tomas Scott Institute of Advanced Energy Kyoto UniversityGokashoUjiKyoto 611‑0011Japan School of Physics University of BristolBs81TL Tyndall AvenueBristolUK Physics Department Faculty of ScienceAssiut UniversityAssiut 71516Egypt Research Reactor Institute Kyoto University2 Asashiro‑NishiKumatoriOsaka 590‑0494Japan Pony Industry Co.Ltd. 2‑3‑6 Kitakyuhoji‑MachiChuo‑KuOsaka 541‑0057Japan Astral Neutronics LTD Unit H5HallenBristol BS107SBUK
Herein,we employ the threshold energy neutron analysis(TENA)technique to introduce the world's first active interrogation system to detect special nuclear materials(SNMs),including U-235 and *** system utilizes a DD n... 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
Interrelationships between Length of the Day, Moon Distance, Phanerozoic Geodynamic Cycles, Tidal Dissipation and Earth’s Core: Review and Analysis
收藏 引用
International journal of Geosciences 2024年 第5期15卷 396-415页
作者: Heinz-jürgen Brink Independent Researcher Hannover Germany
The rotation of the Earth and the related length of the day (LOD) are predominantly affected by tidal dissipation through the Moon and the growth of the Earth’s core. Due to the increased concentration of mass around... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Assessment of compressive strength of jet grouting by machine learning
收藏 引用
journal of Rock Mechanics and Geotechnical Engineering 2024年 第1期16卷 102-111页
作者: Esteban Diaz Edgar Leonardo Salamanca-Medina Roberto tomas Departamento de Ingeniería Civil Escuela Politécnica SuperiorUniversidad de AlicanteP.O.Box 99E-03080AlicanteSpain
jet grouting is one of the most popular soil improvement techniques,but its design usually involves great uncertainties that can lead to economic cost overruns in construction *** high dispersion in the properties of ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Insights from a proteomic atlas of human Alzheimer's disease brain tissue
收藏 引用
Neural Regeneration Research 2025年 第3期20卷 799-800页
作者: tomas Kavanagh Eleanor Drummond Brain and Mind Centre and School of Medical Sciences University of SydneyCamperdownNSWAustralia
There is an urgent need to identify new drug targets for Alzheimer's disease(AD). While new immunotherapies show promise, clinical benefit appears low, and side effects are high. A greater understanding of the disease... 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