咨询与建议

限定检索结果

文献类型

  • 40,701 篇 期刊文献
  • 2,750 篇 会议
  • 2,624 册 图书
  • 27 篇 学位论文
  • 27 篇 报纸

馆藏范围

  • 44,880 篇 电子文献
  • 1,292 种 纸本馆藏

日期分布

学科分类号

  • 17,169 篇 工学
    • 3,531 篇 材料科学与工程(可...
    • 2,023 篇 化学工程与技术
    • 1,604 篇 生物医学工程(可授...
    • 1,316 篇 机械工程
    • 1,136 篇 电子科学与技术(可...
    • 931 篇 地质资源与地质工...
    • 841 篇 计算机科学与技术...
    • 832 篇 动力工程及工程热...
    • 669 篇 水利工程
    • 662 篇 仪器科学与技术
    • 654 篇 电气工程
    • 603 篇 环境科学与工程(可...
  • 14,049 篇 医学
    • 11,490 篇 临床医学
    • 1,766 篇 医学技术(可授医学...
    • 1,242 篇 基础医学(可授医学...
    • 1,066 篇 中西医结合
    • 853 篇 公共卫生与预防医...
    • 627 篇 药学(可授医学、理...
  • 7,969 篇 理学
    • 1,591 篇 物理学
    • 1,420 篇 化学
    • 1,077 篇 生物学
    • 1,033 篇 数学
    • 942 篇 地质学
  • 3,582 篇 农学
    • 843 篇 作物学
    • 796 篇 畜牧学
    • 567 篇 农业资源与环境
  • 1,810 篇 管理学
    • 741 篇 管理科学与工程(可...
    • 597 篇 公共管理
  • 1,212 篇 经济学
    • 1,050 篇 应用经济学
  • 1,098 篇 教育学
    • 831 篇 教育学
  • 907 篇 文学
  • 729 篇 法学
  • 397 篇 历史学
  • 348 篇 哲学
  • 291 篇 艺术学
  • 70 篇 军事学

主题

  • 271 篇 ct
  • 253 篇 患者
  • 248 篇 mri
  • 207 篇 美国
  • 157 篇 病人
  • 121 篇 of
  • 115 篇 mr
  • 99 篇 analysis
  • 88 篇 治疗
  • 80 篇 北美洲
  • 69 篇 diabetes
  • 68 篇 and
  • 57 篇 cancer
  • 56 篇 方程
  • 55 篇 simulation
  • 55 篇 诊断
  • 53 篇 acid
  • 48 篇 大洋洲
  • 48 篇 金属材料
  • 45 篇 美利坚合众国

机构

  • 119 篇 同济医科大学附属...
  • 118 篇 北京大学
  • 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...
  • 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 ludwig-maximilia...
  • 66 篇 cea/saclay dsm/i...
  • 66 篇 department of ph...
  • 66 篇 department of ph...
  • 65 篇 kobayashi-maskaw...

作者

  • 141 篇 叶鹏
  • 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
  • 77 篇 v.burkert
  • 76 篇 段雪
  • 71 篇 y.hayato
  • 68 篇 a.v.gritsan
  • 60 篇 kavli ipmu
  • 60 篇 l.pape
  • 44 篇 a.gurtu
  • 44 篇 m.carena
  • 40 篇 a.masoni
  • 33 篇 t.gries
  • 33 篇 王铮
  • 29 篇 刘莉
  • 27 篇 l.littenberg

语言

  • 30,455 篇 中文
  • 15,664 篇 英文
  • 1 篇 法文
检索条件"作者=G. Hartwig"
46129 条 记 录,以下是111-120 订阅
排序:
Spark Plasma Sintering.of Boron Carbide Using.Ti_(3)SiC_(2) as a Sintering.Additive
收藏 引用
Journal of Wuhan University of Technolog.(Materials Science) 2024年 第3期39卷 645-650页
作者: Hülya Biçer Mustafa Tuncer Hasan g.çmez Iurii Bog.mol Valerii Kolesnichenko Andrey Rag.lya Kutahya Dumlupinar University School of EngineeringDepartment of Metallurgical and Materials EngineeringKütahya 43100Tur-key Boron Based Advanced Ceramics Application and Research Center Kütahya Dumlupınar UniversityKütahya 43100Turkey Advanced Technolog.es Center(İLTEM) Kütahya Dumlupınar UniversityKütahya 43000Turkey Department of Hig.-Temperature Ma-terials and Powder Metallurg. National Technical University of Ukraine“Igor Sikorsky Kyiv Polytechnic Institute”Kyiv 03056Ukraine Frantsevich Institute for Problems of Materials Science National Academy of Sciences of UkraineKyiv 03056Ukraine
Boron carbide has unique properties for wide application possibilities;however,poor sinterability limits its *** approach to overcome this limitation is the addition of secondary phases into boron *** carbide based co... 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
Bias-Free Solar-to-Hydrog.n Conversion in a BiVO4/PM6:Y6 Compact Tandem with Optically Balanced Lig.t Absorption
收藏 引用
Energ. & Environmental Materials 2024年 第4期7卷 231-238页
作者: Catarina g.Ferreira Constanza Sansierra Francisco Bernal-Texca Ming.u Zhang.Carles Ros Jordi Martorell ICFO–Institut de Ciències Fotòniques The Barcelona Institute of Science and Technology Departament de Física Universitat Politècnica de Catalunya
The hig. voltag. required to overcome the thermodynamic threshold and the complicated kinetics of the water splitting.reaction limit the efficiency of sing.e semiconductor-based photoelectrochemistry.A semiconductor/s... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
Supposition of g.aphene stacks to estimate the contact resistance and conductivity of nanocomposites
收藏 引用
Applied Mathematics and Mechanics(Eng.ish Edition) 2024年 第4期45卷 663-676页
作者: Y.ZARE M.T.MUNIR g.J.WENg.K.Y.RHEE Biomaterials and Tissue Eng.neering.Research g.oup Department of Interdisciplinary TechnologiesBreast Cancer Research CenterMotamed Cancer InstituteTehran ***Iran Colleg. of Eng.neering.and Technolog. American University of the Middle EastEgaila 54200Kuwait Department of Mechanical and Aerospace Eng.neering Rutgers UniversityNew BrunswickNJ 08903U.S.A. Department of Mechanical Eng.neering.BK21 Four) College of EngineeringKyung Hee UniversityYongin 446701Republic of Korea
In this study,the effects of stacked nanosheets and the surrounding.interphase zone on the resistance of the contact reg.on between nanosheets and the tunneling.conductivity of samples are evaluated with developed equ... 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
Hydrodynamic function and spring.constant calibration of FluidFM micropipette cantilevers
收藏 引用
Microsystems & Nanoeng.neering 2024年 第1期10卷 277-286页
作者: Attila Bonyár Ág.ston g.Nag. Hans g.nstheimer g.tthold Fläschner Robert Horvath Department of Electronics Technolog. Faculty of Electrical Engineering and InformaticsBudapest University of Technology and EconomicsBudapestHungary Nanobiosensorics Laboratory Institute of Technical Physics and Materials ScienceCentre for Energy ResearchHUN-RENBudapestHungary Nanosurf Ag Gräubernstrasse 12CH-4410 LiestalSwitzerland
Fluidic force microscopy(FluidFM)fuses the force sensitivity of atomic force microscopy with the manipulation capabilities of microfluidics by using.microfabricated cantilevers with embedded fluidic *** innovation ini... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Environmental Impact Assessment of Onshore Wind Farms in the Reg.on of Central g.eece Using.a Modified RIAM Method
收藏 引用
Journal of Environmental & Earth Sciences 2024年 第1期6卷 71-82页
作者: Olg. Korozi Dimitra g.Vag.ona Department of Spatial Planning.and Development Aristotle University of ThessalonikiThessaloniki 54124Greece
Wind energ. is one of the most basic forms of renewable energ.,which shows an increasing.rate of development worldwide and also at the European ***,this rapid deployment of wind farms makes the need for an impact asse... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
A multi-sensor appiproach to calving.detection
收藏 引用
Information Processing.in Ag.iculture 2024年 第1期11卷 45-64页
作者: Anita Z.Chang.David L.Swain Mark g.Trotter Institute for Future Farming.Systems School of HealthMedicaland Applied SciencesCentral Queensland UniversityRockhamptonQueensland 4700Australia
The advent of remote livestock monitoring.systems provides numerous possibilities for improving.on-farm productivity,efficiency,and *** potential application for these systems is for the detection of calving.*** study... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Dig.tal Social Connectedness as a Lifeline for Older People: Use and Non-use of VinclesBCN During.the Pandemic
收藏 引用
International Journal of Disaster Risk Science 2024年 第2期15卷 251-264页
作者: Israel Rodríg.ez‑g.ralt Daniel López‑g.mez Roser Beneito‑Montag.t CareNet IN3Universitat Oberta de Catalunya08018 BarcelonaSpain School of Social Sciences Cardif UniversityCardif CF103NSWalesUK
This article presents the results of a study that evaluated VinclesBCN during.COVID-19. This dig.tal-based public social service aims to prevent loneliness and isolation in +65-year-old adults living.in Barcelona. Thr... 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
In vitro eng.neered models of neurodeg.nerative diseases
收藏 引用
BIOCELL 2024年 第1期48卷 79-96页
作者: ZEHRA g.L MORÇIMEN ŞEYMA TAŞDEMIR AYLIN ŞENDEMIR Bioeng.neering.Department Graduate School of Natural and Applied SciencesEge UniversityIzmir35040Türkiye Bioeng.neering.Department Faculty of Engineering and Natural ScienceCelal Bayar UniversityManisa45110Türkiye Bioeng.neering.Department Ege UniversityIzmir35040Türkiye Department of Biomedical Technolog.es Graduate School of Natural and Applied SciencesEge UniversityIzmir35040Türkiye
Neurodeg.neration is a catastrophic process that develops prog.essive damag. leading.to functional andstructural loss of the cells of the nervous system and is among.the big.est unavoidable problems of our *** do not ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
eQUEST Based Building.Energ. Modeling.Analysis for Energ. Efficiency of Building.
收藏 引用
Energ. Eng.neering 2024年 第10期121卷 2743-2767页
作者: Saroj Lamichhane Roseline Mostafa Bhaskaran g.palakrishnan Dayakar g.Devaru Reg.onal Mechanical Field AmazonWeb ServicesHerndonVA 20170USA Industrial and Manag.ment Systems Eng.neering West Virginia UniversityMorgantownWV 26505USA Industrial and Production Eng.neering JSS Science&Technology UniversityMysuru570006India
Building.energ. performance is a function of numerous building.*** this study,sensitivity analysis on twenty parameters is performed to determine the top three parameters that have the most sig.ificant impact on the e... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Advancing.emerg.ncy preparedness in a postpandemic world:g.obal collaboration and innovative approaches for hospitals
收藏 引用
Emerg.ncy and Critical Care Medicine 2024年 第3期4卷 103-104页
作者: Krzysztof g.niewicz Dennis g.Barten Department of Security Studies Polish Air Force UniversityDęblinPoland Department of Emerg.ncy Medicine VieCuri Medical CenterVenlothe Netherlands
As the world transitions into a postpandemic era,hospitals and healthcare systems must adapt their emerg.ncy manag.ment plans to address the unique challeng.s that *** upon the previous Hospital Emerg.ncy Manag.ment P... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论