咨询与建议

限定检索结果

文献类型

  • 53,329 篇 期刊文献
  • 3,873 篇 会议
  • 2,940 册 图书
  • 36 篇 学位论文
  • 14 篇 报纸

馆藏范围

  • 58,919 篇 电子文献
  • 1,327 种 纸本馆藏

日期分布

学科分类号

  • 24,051 篇 工学
    • 5,650 篇 材料科学与工程(可...
    • 3,621 篇 化学工程与技术
    • 2,925 篇 生物医学工程(可授...
    • 2,751 篇 机械工程
    • 2,256 篇 动力工程及工程热...
    • 2,161 篇 计算机科学与技术...
    • 2,042 篇 电子科学与技术(可...
    • 1,802 篇 力学(可授工学、理...
    • 1,743 篇 电气工程
    • 1,609 篇 地质资源与地质工...
    • 1,604 篇 环境科学与工程(可...
    • 1,373 篇 水利工程
    • 1,359 篇 冶金工程
    • 1,311 篇 控制科学与工程
    • 1,236 篇 建筑学
  • 19,635 篇 医学
    • 16,341 篇 临床医学
    • 2,615 篇 医学技术(可授医学...
    • 2,540 篇 基础医学(可授医学...
    • 1,822 篇 公共卫生与预防医...
    • 1,487 篇 中西医结合
  • 14,271 篇 理学
    • 3,931 篇 化学
    • 3,717 篇 物理学
    • 3,378 篇 生物学
    • 1,788 篇 数学
    • 1,543 篇 地质学
    • 1,432 篇 地球物理学
  • 5,597 篇 农学
    • 1,744 篇 作物学
    • 1,309 篇 畜牧学
  • 3,137 篇 管理学
    • 1,240 篇 管理科学与工程(可...
  • 1,866 篇 经济学
    • 1,628 篇 应用经济学
  • 1,795 篇 教育学
  • 1,294 篇 法学
  • 1,141 篇 文学
  • 639 篇 艺术学
  • 464 篇 历史学
  • 375 篇 哲学
  • 131 篇 军事学

主题

  • 489 篇 mri
  • 486 篇 ct
  • 401 篇 美国
  • 356 篇 患者
  • 253 篇 病人
  • 236 篇 mr
  • 160 篇 中国
  • 146 篇 北美洲
  • 131 篇 analysis
  • 117 篇 治疗
  • 104 篇 美利坚合众国
  • 104 篇 of
  • 99 篇 cancer
  • 80 篇 health
  • 78 篇 应用
  • 75 篇 and
  • 73 篇 acid
  • 73 篇 英国
  • 72 篇 儿童
  • 71 篇 diabetes

机构

  • 183 篇 香港理工大学
  • 123 篇 西南民族大学
  • 100 篇 南京大学
  • 99 篇 北京大学
  • 73 篇 同济大学
  • 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 nstitucio catala...
  • 67 篇 department of ph...
  • 66 篇 national researc...
  • 66 篇 school of physic...
  • 66 篇 ludwig-maximilia...
  • 66 篇 cea/saclay dsm/i...

作者

  • 162 篇 叶鹏
  • 85 篇 h.murayama
  • 85 篇 j.d.jackson
  • 85 篇 g.d'ambrosio
  • 85 篇 m.white
  • 85 篇 刘闯
  • 81 篇 p.de jong
  • 78 篇 v.i.belousov
  • 65 篇 china
  • 60 篇 v.burkert
  • 59 篇 joanna c.lee
  • 47 篇 kavli ipmu
  • 45 篇 l.pape
  • 43 篇 王铮
  • 43 篇 y.hayato
  • 43 篇 刘莉
  • 42 篇 郭俊
  • 40 篇 a.v.gritsan
  • 37 篇 朱国栋
  • 34 篇 余英豪

语言

  • 40,380 篇 中文
  • 19,796 篇 英文
检索条件"作者=c.Bosia"
60192 条 记 录,以下是4991-5000 订阅
排序:
Natarajania thailandica ***.(Stilbosporaceae,Diaporthales)from Thailand
收藏 引用
Phyton-International Journal of Experimental Botany 2021年 第2期90卷 677-686页
作者: Monika c.Dayarathne Rashika S.Brahmanage Kevin D.Hyde Yong Wang Department of Plant Pathology Agriculture CollegeGuizhou UniversityGuiyang550025China center of Excellence in Fungal Research Mae Fah Luang UniversityChiang Rai57100Thailand Inovative Institute of Plant Health Zhongkai University of Agriculture and EngineeringGuangzhou510225China
A fungus similar to the monotypic genus Natarajania,isolated from dead wood and collected in Thailand,is *** of partial ribosomal LSU and a protein coding gene(RPB2)demonstrated that the new isolate belonged to Stilbo... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Depth of closure:New calculation method based on sediment data
收藏 引用
International Journal of Sediment Research 2018年 第2期33卷 198-207页
作者: Luis Aragonés Jose Ignacio Pagán Isabel López José c.Serra Department of civil engineering University of Alicante Department of transportation ETSI Caminos Polytechnic University of Valencia
Obtaining depth of closure(Doc) in an accurate manner is a fundamental issue for coastal engineering,since good results for coastal structures and beach nourishment depend mainly on Doc. currently, there are two metho... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
Spontaneous pneumothorax in a single lung transplant recipient-a blessing in disguise: A case report
收藏 引用
World Journal of clinical cases 2020年 第14期8卷 3031-3038页
作者: Himanshu Deshwal Subha Ghosh Kathleen Hogan Olufemi Akindipe charles Randall Lane Atul c Mehta Division of Pulmonary Critical Care and Sleep MedicineNew York University Grossman School of MedicineNew YorkNY 10016United States Imaging Institute Section of Thoracic ImagingCleveland ClinicClevelandOH 44195United States Respiratory Institute Cleveland ClinicClevelandOH 44195United States
BAcKGROUND End-stage chronic obstructive pulmonary disease(cOPD)is one of the common lung diseases referred for lung *** to the international society of heart and lung transplantation,30%of all lung transplantations a... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
菱沸石-粘土复合物在沥青精制中的应用(英文)
收藏 引用
催化学报 2008年 第11期29卷 1084-1088页
作者: 卞俊杰 Steven M.KUZNIcKI William c.MccAFFREY Andree KOENIG christopher c.H.LIN 阿尔伯塔大学化学与材料工程系 加拿大阿尔伯塔省埃德蒙顿市T6G 2G6
阿尔伯塔的油砂资源日益成为北美重要的战略性能源供给.本实验室通过采用碱性条件下在高岭土表面上组装菱沸石的方法,合成了新型的菱沸石-粘土复合材料,并证明此复合材料是比菱沸石更好的油砂沥青精制剂.XRD,SEM,TEM,N2物理吸附和XPS表... 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
Preparation and characterisation of solid dispersions of tanshinone ⅡA, cryptotanshinone and total tanshinones
收藏 引用
Asian Journal of Pharmaceutical Sciences 2017年 第1期12卷 85-97页
作者: Xifeng Zhai chunguang Li George Binh Lenon charlie c.L.Xue Weize Li Traditional&complementary Medicine Program School of Health SciencesRMIT UniversityBundooraVictoriaAustralia School of Pharmaceutical Sciences Xi’an Medical UniversityXi’anChina center for complementary Medicine Research National Institute of Complementary MedicineUniversity of Western SydneyCampbelltown CampusPenrithNew SouthWalesAustralia
Total tanshinones are lipophilic active constituents extracted from Salvia miltiorrhiza *** ⅡA and cryptotanshinone are the major components in total ***, the bioavailability of both compounds is low due to poor wate... 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
Heterogeneous transfer functions multi-layer perceptron (MLP) for meteorological time series forecasting
收藏 引用
International Journal of Modeling, Simulation, and Scientific computing 2015年 第2期6卷 49-55页
作者: c.Voyant M.L.Nivet cPaoli M.Muselli G.Notton University of corsica SPE CNRS UMR 613420250 CorteFrance University of Galatasaray computer Engineering Department No:36 34357 Ortak¨oyIstanbulTurkey
In this paper,we propose to study four meteorological and seasonal time series(TS)coupled with a multi-layer perceptron(MLP)*** chose to combine two transfer functions for the nodes of the hidden layer,and to use a t... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
A comparative analysis of paddy crop biotic stress classification using pre-trained deep neural networks
收藏 引用
Artificial Intelligence in Agriculture 2022年 第1期6卷 167-175页
作者: Naveen N.Malvade Rajesh Yakkundimath Girish Saunshi Mahantesh c.Elemmi Parashuram Baraki Department of Information Science and Engineering Smt.Kamala and Sri.Venkappa M.Agadi College of Engineering and TechnologyLakshmeshwar582116KarnatakaIndia Department of computer Science and Engineering K.L.E.Institute of TechnologyHubballi580030KarnatakaIndia Department of computer Science and Engineering Navkis College of EngineeringHassan573217KarnatakaIndia Department of computer Science and Engineering Smt.Kamala and Sri.Venkappa M.Agadi College of Engineering and TechnologyLakshmeshwar582116KarnatakaIndia Visvesvaraya Technological University Belagavi 590018KarnatakaIndia
The agriculture sector is no exception to the widespread usage of deep learning tools and *** this paper,an automated detection method on the basis of pre-trained convolutional Neural Network(cNN)models is proposed to... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Wavelets and Optical Flow Motion Estimation
收藏 引用
Numerical Mathematics(Theory,Methods and Applications) 2013年 第1期6卷 116-137页
作者: P.Dérian P.Héas c.Herzet E.Mémin Departments of Physics and Geosciences California State University ChicoChicoCA 95929-0555USA INRIA Rennes-Bretagne Atlantique Campus de Beaulieu35042 Rennes CEDEXFrance
This article describes the implementation of a simple wavelet-based optical-flow motion estimator dedicated to continuous motions such as fluid flows. The waveletrepresentation of the unknown velocity field is conside... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Trends in incidence and management of cancer of the ampulla of Vater
收藏 引用
World Journal of Gastroenterology 2014年 第29期20卷 10144-10150页
作者: Florian Rostain Samia Hamza Antoine Drouillard Jean Faivre Anne-Marie Bouvier c?me Lepage Registre Bourguignon des cancers Digestifs INSERM U866CHU de DijonFaculté de Médecine21079 Dijon CedexFrance
AIM: To provide trends in incidence, management and survival of cancer of the ampulla of Vater in a well-defined French population.
来源: 维普期刊数据库 维普期刊数据库 评论
An Immersed Interface Method for the Simulation of Inextensible Interfaces in Viscous Fluids
收藏 引用
communications in computational Physics 2012年 第3期11卷 925-950页
作者: Zhijun Tan D.V.Le K.M.Lim B.c.Khoo Guangdong Province Key Laboratory of computational Science&School of Mathematics and computational Science Sun Yat-senUniversityGuangzhou 510275China Institute of High Performance computing 1 Fusionopolis Way#16-16 ConnexisSingapore 138632Singapore Singapore-MIT Alliance 4 Engineering Drive 3National University of SingaporeSingapore 117576Singapore Department of Mechanical Engineering National University of Singapore10 Kent Ridge CrescentSingapore 119260Singapore
In this paper,an immersed interface method is presented to simulate the dynamics of inextensible interfaces in an incompressible *** tension is introduced as an augmented variable to satisfy the constraint of interfac... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论