咨询与建议

限定检索结果

文献类型

  • 34,405 篇 期刊文献
  • 2,352 篇 会议
  • 1,363 册 图书
  • 32 篇 学位论文
  • 13 篇 报纸

馆藏范围

  • 37,563 篇 电子文献
  • 641 种 纸本馆藏

日期分布

学科分类号

  • 14,318 篇 工学
    • 2,885 篇 材料科学与工程(可...
    • 1,695 篇 生物医学工程(可授...
    • 1,501 篇 化学工程与技术
    • 1,056 篇 机械工程
    • 977 篇 电子科学与技术(可...
    • 790 篇 动力工程及工程热...
    • 773 篇 计算机科学与技术...
    • 620 篇 仪器科学与技术
    • 612 篇 地质资源与地质工...
    • 558 篇 力学(可授工学、理...
    • 530 篇 核科学与技术
    • 493 篇 电气工程
    • 474 篇 光学工程
  • 12,315 篇 医学
    • 10,285 篇 临床医学
    • 1,787 篇 医学技术(可授医学...
    • 1,153 篇 基础医学(可授医学...
    • 1,032 篇 中西医结合
    • 714 篇 公共卫生与预防医...
  • 6,610 篇 理学
    • 1,404 篇 物理学
    • 1,120 篇 化学
    • 898 篇 生物学
    • 830 篇 数学
    • 722 篇 地质学
    • 467 篇 地球物理学
  • 2,824 篇 农学
    • 678 篇 作物学
    • 585 篇 畜牧学
    • 484 篇 农业资源与环境
  • 1,488 篇 管理学
    • 699 篇 管理科学与工程(可...
  • 979 篇 经济学
    • 879 篇 应用经济学
  • 829 篇 教育学
    • 617 篇 教育学
  • 617 篇 文学
  • 426 篇 法学
  • 262 篇 哲学
  • 232 篇 艺术学
  • 202 篇 历史学
  • 56 篇 军事学

主题

  • 341 篇 ct
  • 265 篇 mri
  • 236 篇 患者
  • 152 篇 美国
  • 133 篇 mr
  • 123 篇 病人
  • 113 篇 日本
  • 93 篇 analysis
  • 69 篇 of
  • 64 篇 and
  • 62 篇 cancer
  • 61 篇 diabetes
  • 60 篇 covid-19
  • 56 篇 structure
  • 48 篇 北美洲
  • 43 篇 health
  • 43 篇 temperature
  • 40 篇 acid
  • 40 篇 美利坚合众国
  • 39 篇 应用

机构

  • 80 篇 亚琛工业大学
  • 71 篇 中国科学院大学
  • 70 篇 北京大学
  • 68 篇 university of mi...
  • 67 篇 institute for pa...
  • 67 篇 albert einstein ...
  • 67 篇 dipartimento di ...
  • 67 篇 nikhef p.o.box 4...
  • 67 篇 fysikum stockhol...
  • 67 篇 michigan state u...
  • 66 篇 NOT FOUND
  • 65 篇 national researc...
  • 65 篇 institut fur the...
  • 65 篇 dept.of physics ...
  • 65 篇 compas group ins...
  • 65 篇 rudolf peierls c...
  • 65 篇 department of ph...
  • 64 篇 max-planck-insti...
  • 64 篇 nstitucio catala...
  • 64 篇 cern european or...

作者

  • 85 篇 f.krauss
  • 85 篇 g.weiglein
  • 85 篇 h.murayama
  • 85 篇 j.parsons
  • 85 篇 j.d.jackson
  • 85 篇 g.d'ambrosio
  • 85 篇 r.s.chivukula
  • 85 篇 y.kwon
  • 84 篇 m.white
  • 83 篇 m.drees
  • 77 篇 t.gries
  • 75 篇 s.blusk
  • 68 篇 p.de jong
  • 64 篇 k.monig
  • 63 篇 o.dahl
  • 60 篇 b.foster
  • 55 篇 a.alsaedi
  • 53 篇 叶鹏
  • 50 篇 g.rybka
  • 44 篇 郭战宏

语言

  • 24,718 篇 中文
  • 13,437 篇 英文
  • 1 篇 日文
检索条件"作者=T.rom.n-Berdiel"
38165 条 记 录,以下是61-70 订阅
排序:
Asymptotics for filtration of polydisperse suspension with small impurities
收藏 引用
Applied Mathematics and Mechanics(English Edition) 2021年 第1期42卷 109-126页
作者: L.I.KUZMInA Y.V.OSIPOV t.n.GORBUnOVA Department of Applied Mathematics National Research University Higher School of EconomicsMoscow 101000Russia Department of Applied Mathematics Moscow State University of Civil Engineering(National Research University)Moscow 129337Russia
A model for deep bed filtration of a polydisperse suspension with small impurities in a porous medium is *** suspended particles move with the same velocity as the carrier water and get blocked in the pore throats due... 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
Changes in Soil Physicochemical Properties Following Land Use Change from Paddy Fields to Greenhouse and Upland Fields in the Southeastern Basin of Dianchi Lake,Yunnan Province,China
收藏 引用
Pedosphere 2013年 第2期23卷 169-176页
作者: n.MORItSUKA t.nISHIKAWA S.YAMAMOtO n.MAtSUI H.InOUE LI Kun-Zhi t.InAMURA Laboratory of Plant Production Systems Graduate School of AgricultureKyoto University Kagoshima University KAnSO technos Kunming University of Science and technology
Paddy fields in the southeastern basin of Dianchi Lake have rapidly changed to greenhouses since 1999. A total of 61 surface soil samples, including 43 greenhouse soils, 12 upland soils, and 6 paddy soils, were collec... 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
Catheter-directed thrombolysis in inflammatory bowel diseases:Report of a case
收藏 引用
World Journal of Gastroenterology 2012年 第34期18卷 4791-4793页
作者: ter Ilonczai Judit tóth László tóth Istn Altorjay Zoltán Boda Károly Palatka Division of Haemostasis 2nd Department of MedicineMedical and Health Science CentreUniversity of Debrecen4032 DebrecenHungary Euromedic Diagnostics Hungary Ltd. Medical and Health Science CentreUniversity of Debrecen4032 DebrecenHungary Department of Pathology Medical and Health Science CentreUniversity of Debrecen4032 DebrecenHungary Division of Gastroenterology 2nd Department of MedicineMedical and Health Science CentreUniversity of Debrecen4032 DebrecenHungary
In patients with inflammatory bowel diseases (IBD) the prevalence of thrombosis is 6.2%, the average incidence of thromboembolism (tE) is 3.6 times higher compared to normal population. the tE is a common extraintesti... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Structural Basis for Complementary and Alternative Medicine:Phytochemical Interaction with non-Structural Protein 2 Protease-A Reverse Engineering Strategy
收藏 引用
Chinese Journal of Integrative Medicine 2015年 第6期21卷 445-452页
作者: G.Koushik Kumar G.Prasanna t.Marimuthu n.t.Saraswathi Molecular Biophysics Laboratory School of Chemical and BiotechnologyShanmuga Arts Science Technology Research Academy University Assistant Medical Officer Goverment Hospital
Objective: to understand the druggability of the bioactive compounds from traditional herbal formulations "nilavembu Kudineer" and "Swasthya Raksha Amruta Peya" to heal chikungunya virus (CHIKV) infection. Meth... 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
Magneto optics and time resolved terahertz spectrocopy
收藏 引用
Chinese Physics B 2018年 第7期27卷 112-119页
作者: t Dong Z G Chen n L Wang International Center for Quantum Materials School of PhysicsPeking UniversityBeijing 100871China Institute of Physics Chinese Academy of SciencesBeijing 100190China
Exploring, manipulating, and understanding new exotic quantum phenomena in condensed-matter systems have gen- erated great interest in the scientific community. Static and time resolved optical spectroscopies after ph... 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
Image Fusion Based on nSCt and Sparse Representation for Remote Sensing Data
收藏 引用
Computer Systems Science & Engineering 2023年 第9期46卷 3439-3455页
作者: n.A.Lawrance t.S.Shiny Angel Department of Computational Intelligence School of ComputingCollege of Engineering and TechnologySRM Institute of Science and TechnologyChengalpattu603203India
the practice of integrating images from two or more sensors collected from the same area or object is known as image *** goal is to extract more spatial and spectral information from the resulting fused image than fro... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Cytokine production in patients with cirrhosis and tLR4 polymorphisms
收藏 引用
World Journal of Gastroenterology 2014年 第46期20卷 17516-17524页
作者: Juan Camilo nieto Elisabetnchez Eva román Silvia Vidal Laia Oliva Carlos Guarner-Argente Maria Poca Xavier torras ndido Juárez Carlos Guarner German Soriano Department of Immunology Institut de Recerca-IIB Sant PauUniversitat Autònoma de Barcelona08025 BarcelonaSpain Department of Gastroenterology Hospital de la Santa Creu i Sant Pau08025 BarcelonaSpain Department of Gastroenterology Instituto de Salud Carlos Ⅲ Institut de Recerca-IIB Sant PauUniversitat Autònoma de Barcelona08025 BarcelonaSpain Department of Gastroenterology Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas08025 BarcelonaSpain Instituto de Salud Carlos Ⅲ Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas08025 BarcelonaSpain Department of Gastroenterology Escola Universitària d’Infermeria Sant Pau08025 BarcelonaSpain Department of Gastroenterology Universitat Autònoma de Barcelona08025 BarcelonaSpain
AIM: to analyze the cytokine production by peripheral blood cells from cirrhotic patients with and without tLR4 D299G and/or t399I polymorphisms.
来源: 维普期刊数据库 维普期刊数据库 评论
Robust exponential stability and stabilization of linear uncertain polytopic time-delay systems
收藏 引用
控制理论与应用(英文版) 2008年 第2期6卷 163-170页
作者: nam PHAn t. Phat VU n. Department of Mathematics Quynhon UniversityQuynhonBinhdinhVietnam Institute of Mathematics 18 Hoang Quoc Viet RoadHanoiVietnam
this paper proposes new sufficient conditions for the exponential stability and *** linear uncertain polytopic time-delay systems. the conditions for exponential stability are expressed in terms of Kharitonov-type lin... 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
Laser-induced fluorescence of macerals in relation to its hydrogen richness
收藏 引用
Chinese Science Bulletin 2000年 第10期45卷 946-952页
作者: n.Sherwood R.W.t.Wilkins CSIRO Division of Petroleum P.O.Box 136North Ryde 1670Australia
On the basis of results from conventional elemental analyses and a unique technique (FAMM? fluorescence alteration of multiple macerals), using a laser fluorescence microprobe, the fluorescence characteristics of vari... 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 High-order Coupled Compact Integrated RBF Approximation Based Domain Decomposition Algorithm for Second-order Differential Problems
收藏 引用
Computer Modeling in Engineering & Sciences 2015年 第4期104卷 251-304页
作者: C.M.t.tien n.Pham-Sy n.Mai-Duy C.-D.tran t.tran-Cong Computational Engineering and Science Research Centre Faculty of HealthEngineering and SciencesThe University of Southern QueenslandToowoombaQueensland 4350Australia
this paper presents a high-order coupled compact integrated RBF(CC IRBF)approximation based domain decomposition(DD)algorithm for the discretisation of second-order differential *** Schwarz DD algorithms,including one... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论