咨询与建议

限定检索结果

文献类型

  • 33,304 篇 期刊文献
  • 1,720 篇 会议
  • 951 册 图书
  • 88 篇 学位论文
  • 6 篇 报纸

馆藏范围

  • 35,653 篇 电子文献
  • 434 种 纸本馆藏

日期分布

学科分类号

  • 12,754 篇 医学
    • 10,387 篇 临床医学
    • 1,262 篇 医学技术(可授医学...
    • 968 篇 基础医学(可授医学...
    • 901 篇 中西医结合
    • 787 篇 公共卫生与预防医...
    • 582 篇 药学(可授医学、理...
  • 12,732 篇 工学
    • 2,478 篇 材料科学与工程(可...
    • 1,651 篇 化学工程与技术
    • 1,170 篇 生物医学工程(可授...
    • 969 篇 电子科学与技术(可...
    • 806 篇 计算机科学与技术...
    • 796 篇 机械工程
    • 597 篇 动力工程及工程热...
    • 594 篇 地质资源与地质工...
    • 546 篇 仪器科学与技术
    • 499 篇 电气工程
    • 471 篇 水利工程
    • 470 篇 环境科学与工程(可...
  • 6,903 篇 理学
    • 1,342 篇 化学
    • 1,291 篇 物理学
    • 1,064 篇 数学
    • 1,019 篇 生物学
    • 638 篇 地质学
  • 3,017 篇 农学
    • 721 篇 作物学
    • 558 篇 畜牧学
    • 549 篇 农业资源与环境
  • 1,339 篇 管理学
    • 549 篇 管理科学与工程(可...
    • 477 篇 公共管理
  • 997 篇 经济学
    • 855 篇 应用经济学
  • 741 篇 教育学
    • 498 篇 教育学
  • 551 篇 法学
  • 512 篇 文学
  • 233 篇 历史学
  • 163 篇 哲学
  • 163 篇 艺术学
  • 55 篇 军事学

主题

  • 175 篇 mri
  • 172 篇 ct
  • 170 篇 患者
  • 114 篇 analysis
  • 90 篇 of
  • 89 篇 and
  • 85 篇 diabetes
  • 80 篇 病人
  • 73 篇 acid
  • 70 篇 美国
  • 69 篇 deep learning
  • 66 篇 health
  • 61 篇 mr
  • 60 篇 simulation
  • 60 篇 cancer
  • 56 篇 survival
  • 55 篇 corrosion
  • 55 篇 prevalence
  • 45 篇 performance
  • 43 篇 case report

机构

  • 68 篇 university of mi...
  • 68 篇 department of ph...
  • 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 school of physic...
  • 67 篇 ludwig-maximilia...
  • 67 篇 cea/saclay dsm/i...
  • 66 篇 national researc...
  • 66 篇 department of ph...
  • 65 篇 department of ph...
  • 65 篇 kobayashi-maskaw...
  • 65 篇 high energy phys...
  • 65 篇 department of ph...

作者

  • 129 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
  • 82 篇 v.i.belousov
  • 77 篇 v.burkert
  • 76 篇 y.hayato
  • 75 篇 a.v.gritsan
  • 61 篇 kavli ipmu
  • 61 篇 l.pape
  • 58 篇 a.gurtu
  • 57 篇 m.carena
  • 53 篇 a.masoni
  • 37 篇 s.rolli
  • 34 篇 王铮
  • 30 篇 a.d.martin
  • 27 篇 b.heltsley
  • 27 篇 l.littenberg

语言

  • 19,575 篇 中文
  • 16,489 篇 英文
检索条件"作者=matthew n.ahmadi"
36069 条 记 录,以下是4991-5000 订阅
排序:
Oxygen-deficient bismuth tungstate and bismuth oxide composite photoanode with improved photostability
收藏 引用
Science Bulletin 2018年 第15期63卷 990-996页
作者: Hoi Ying Chung Weijian Chen Xiaoming Wen Judy n. Hart Hao Wu Yuekun Lai Rose Amal Yun Hau ng Particles and Catalysis Research Croup School of Chemical Engineering The University of New South Wales (UNSW) Sydney NSW 2052 Australia School of Photovoltaic and Renewable Energy Engineering The University of New South Wales (UNSW) Sydney NSW 2052 Australia Centre for Micro-Photonics Faculty of Science Engineering and Technology Swinburne University of Technology Melbourne VIC 2122 Australia School of Materials Science and Engineering The University of New South Wales (UNSW) Sydney NSW 2052 Australia national Engineering Laboratory for Modern Silk College of Textile and Clothing Engineering Soochow University Suzhou 215123 China
A homogeneous layer of Bi_2O_3-Bi_(14)WO_(24) composite(BWO/Bi_2O_3) thin film was fabricated using a combination of electrodeposition and thermal treatment. The evenly distributed Bi14 WO24 component within the Bi_2O... 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
Effects of aqueous extract of notobasis syriaca on lipopolysaccharide-induced inflammation in rats
收藏 引用
Asian Pacific Journal of Tropical Medicine 2018年 第1期11卷 48-52页
作者: Abdullatif Azab Ahmad nassar Jacob Kaplanski Reem Mahajneh Galila Agam Abed n.Azab Triangle Research & Development Center Institute of applied Research Department of Clinical Biochemistry and Pharmacology Faculty of Health SciencesBen-Gurion University of the Negev Department of nursing Faculty of Health SciencesBen-Gurion University of the Negev
Objective: To investigate the effects of a dry aqueous extract of notobasis syriaca(n. syriaca)on lipopolysaccharide(LPS)-induced inflammation in rats. Methods: Rats were fed the dried extract [500 mg/(kg·d)] for thr... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Structural & Magnetic Characterizations of niLiZn nanoferrites Synthesized by Co-precipitation Method
收藏 引用
Journal of Materials Science & Technology 2011年 第11期27卷 991-995页
作者: D.n. Rohadiana Z.A.Z. Jamal S.B. Jamaludin M.F. Bari J. Adnan Sustainable Engineering Research Cluster Universiti Malaysia Perlis School of Microelectronic Engineering Universiti Malaysia Perlis
Synthesis of ***(0.5-x)Fe204 nanoparticles with x=0, 0.1, 0.2, 0.3, 0.4 and 0.5 were realized via coprecipitation method. X-ray diffraction (XRD) and vibrating sample magnetometer (VSM) measurements were perform... 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
固体气泡损伤探测器阈起源的实验判别
收藏 引用
核技术 2002年 第7期25卷 506-510页
作者: 郭士伦 李丽 Doke T Kikuchi J Terasawa K Hara K Sakuma n Yasuda n Murakami T 中国原子能科学研究院核物理研究所 北京102413 Advanced Research Institute for Science and Engineering Waseda University national Institute of Radiological Science
用 5 0 0MeV/u56Fe,6 5 0MeV/u40Ar ,6 0 0MeV/u2 8Si和 180MeV/u4He对固体气泡损伤探测器 (T- 12型 )进行了实验研究 ,实验结果表明 ,固体气泡损伤探测器的阈特性可用临界能量损失率表征。在一般条件下 ,限定能量损失率在不同重离子产... 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
Particulars of Use of new 850 Standard Palladium Alloys for Jewelry Production
收藏 引用
贵金属 2012年 第A1期33卷 233-236页
作者: DOVZHEnKO n.n. SIDELnIKOV S.B. RUDnITSKY E.A. LOPATInA E.S. LEOnTYEVA E.V. Siberian Federal University KrasnoyarskRussia.
The researches of new palladium-based alloys have been conducted, and the cast and deformed bars for jewels have been obtained. The mechanism of occurrence of welding defects (pore formation) in the production of jewe... 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
Influence law of multipoint vibration load on slope stability in Xiaolongtan open pit mine in Yunnan,China
收藏 引用
Journal of Central South University 2015年 第12期22卷 4819-4827页
作者: 韩流 舒继森 n.R.HAnIF 席文佳 李鑫 靖洪文 马力 School of Mines China University of Mining & Technology Key Laboratory of Deep Coal Resources Mining of Ministry of Education (China University of Mining & Technology) Department of Estate Management Faculty of Built EnvironmentUniversity of Malaya School of Mechanics and Civil Engineering China University of Mining and Technology State Key Laboratory for Geomechanics & Deep Undergrouad Engineering (China University of Mining and Technology)
The purpose of this work was to explore the influence law of vibration load on rock mass structure and slope *** on the type and transmission way of vibration stress wave,the main stress in the horizontal and vertical... 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
Optical Design of ECEI Diagnostic System for HT-T Tokamak
收藏 引用
Plasma Science and Technology 2004年 第1期6卷 2166-2171页
作者: 王俊 闻一之 俞昌旋 万宝年 n.C.Luhmann WangJian XiaZ.G. DepartmentofModernPhysics UniversityofScienceandTechnologyofChinaHefei230027China InstituteofPlasmaPhysics theChineseAcademyofSciencesHefei230031China DepartmentofAppliedScience UniversityofCaliforniaDavisCalifornia95616USA
Electron cyclotron emission imaging system in the frequency range of 95 GHz -125 GHz is going to be constructed for a two-dimensional diagnosis of the electron temperature profiles and fluctuations on the HT-7 Tokamak... 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
Magnetic and specific heat studies of the frustrated Er_2Mn_2O_7 compound
收藏 引用
Journal of Rare Earths 2013年 第1期31卷 54-59页
作者: n.Ben Amor M.Bejar E.Dhahri M.A.Valente P.Lachkar E.K.Hlil Laboratory of Applied Physics Faculty of Sciences of SfaxBP 1171University of Sfax I3n and Physics Department University of Aveiro MCMF Néel InstitutCNRS25 avenue des MartyrsBuilding FBP 16638042 Grenoble cedex 9France MCBT Institut NéelCNRS25 avenue des MartyrsBuilding EBP 16638042 Grenoble cedex 9France
A new ErzMn207 compound was synthesized by the ceramic method and its crystal structure was characterized LJsing powder X-ray diffraction (XRD) and observed by scanning electron microscopy (SEM). The magnetic prop... 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
Thioredoxin interacting protein,a key molecular switch between oxidative stress and sterile inflammation in cellular response
收藏 引用
World Journal of Diabetes 2021年 第12期12卷 1979-1999页
作者: Islam n Mohamed Luling Li Saifudeen Ismael Tauheed Ishrat Azza B El-Remessy Department of Pharmaceutical and Biomedical Sciences College of PharmacyCalifornia North State UniversityElk GroveCA 95758United States Department of Anatomy and neurobiology and Neuroscience InstituteCollege of MedicineUniversity of Tennessee Health Science CenterMemphisTN 38163United States Department of Pharmacy Doctors Hospital of AugustaAugustaGA 30909United States
Tissue and systemic inflammation have been the main culprit behind the cellular response to multiple insults and maintaining *** is an independent disease state that has been reported as a common risk factor for multi... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Solution for fractional potential KdV and Benjamin equations using the novel technique
收藏 引用
Journal of Ocean Engineering and Science 2021年 第3期6卷 265-275页
作者: P.Veeresha D.G.Prakasha n.Magesh A.John Christopher Deepak Umrao Sarwe Department of Mathematics CHRIST(Deemed to be University)Bengaluru-560029India Department of Mathematics Faculty of ScienceDavangere UniversityShivagangothriDavangere-577007India P.G.and Research Department of Mathematics Govt.Arts College for MenKrishnagiri-635001India Department of Mathematics University of MumbaiKalinaSantacruz EastMumbai-400098India
In this paper,we find the solutions for fractional potential Korteweg-de Vries(p-KdV)and Benjamin equations using q-homotopy analysis transform method(q-HATM).The considered method is the mixture of q-homotopy analysi... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论