咨询与建议

限定检索结果

文献类型

  • 91,871 篇 期刊文献
  • 5,467 篇 会议
  • 4,014 册 图书
  • 145 篇 学位论文
  • 16 篇 报纸
  • 2 篇 多媒体

馆藏范围

  • 99,786 篇 电子文献
  • 1,812 种 纸本馆藏

日期分布

学科分类号

  • 37,097 篇 工学
    • 7,510 篇 材料科学与工程(可...
    • 4,406 篇 化学工程与技术
    • 3,850 篇 生物医学工程(可授...
    • 2,694 篇 电子科学与技术(可...
    • 2,543 篇 机械工程
    • 2,069 篇 计算机科学与技术...
    • 1,923 篇 动力工程及工程热...
    • 1,779 篇 地质资源与地质工...
    • 1,463 篇 电气工程
    • 1,441 篇 仪器科学与技术
    • 1,351 篇 水利工程
    • 1,322 篇 力学(可授工学、理...
    • 1,290 篇 环境科学与工程(可...
  • 35,352 篇 医学
    • 29,169 篇 临床医学
    • 4,199 篇 医学技术(可授医学...
    • 3,073 篇 基础医学(可授医学...
    • 2,612 篇 中西医结合
    • 2,088 篇 公共卫生与预防医...
    • 1,658 篇 药学(可授医学、理...
  • 18,214 篇 理学
    • 3,332 篇 物理学
    • 3,313 篇 化学
    • 2,971 篇 数学
    • 2,537 篇 生物学
    • 1,937 篇 地质学
  • 8,611 篇 农学
    • 2,087 篇 作物学
    • 1,829 篇 畜牧学
    • 1,438 篇 农业资源与环境
  • 3,626 篇 管理学
    • 1,545 篇 管理科学与工程(可...
  • 2,528 篇 经济学
    • 2,212 篇 应用经济学
  • 2,057 篇 教育学
    • 1,461 篇 教育学
  • 1,466 篇 法学
  • 1,390 篇 文学
  • 569 篇 艺术学
  • 551 篇 历史学
  • 490 篇 哲学
  • 164 篇 军事学

主题

  • 1,000 篇 ct
  • 859 篇 mri
  • 597 篇 美国
  • 542 篇 病人
  • 533 篇 患者
  • 462 篇 and
  • 462 篇 of
  • 439 篇 mr
  • 367 篇 cancer
  • 275 篇 analysis
  • 261 篇 治疗
  • 251 篇 北美洲
  • 198 篇 美利坚合众国
  • 180 篇 诊断
  • 173 篇 disease
  • 164 篇 儿童
  • 163 篇 water
  • 152 篇 microstructure
  • 151 篇 energy
  • 147 篇 应用

机构

  • 186 篇 北京大学
  • 140 篇 同济医科大学附属...
  • 111 篇 清华大学
  • 83 篇 浙江大学
  • 72 篇 华中科技大学同济...
  • 71 篇 university of ch...
  • 69 篇 华中科技大学
  • 68 篇 美国加州大学
  • 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 南京大学
  • 66 篇 national researc...
  • 66 篇 institut fur the...
  • 66 篇 dept.of physics ...
  • 66 篇 compas group ins...
  • 65 篇 rudolf peierls c...
  • 63 篇 香港理工大学

作者

  • 241 篇 叶鹏
  • 232 篇 m.k
  • 115 篇 郭俊
  • 115 篇 刘莉
  • 86 篇 m.white
  • 85 篇 h.murayama
  • 85 篇 j.d.jackson
  • 85 篇 g.d'ambrosio
  • 83 篇 朱国栋
  • 74 篇 唐光健
  • 53 篇 刘凯
  • 49 篇 p.de jong
  • 48 篇 王铮
  • 48 篇 郭战宏
  • 45 篇 余英豪
  • 41 篇 李长根
  • 41 篇 linda m.chung
  • 38 篇 graul a i
  • 37 篇 y.hatsukawa
  • 37 篇 崔荣

语言

  • 60,895 篇 中文
  • 40,607 篇 英文
  • 2 篇 日文
  • 2 篇 其他
  • 1 篇 法文
检索条件"作者=m.S.Feld"
101515 条 记 录,以下是71-80 订阅
排序:
Effect of Ta_(2)O_(5)nanoparticles on bioactivity,composition,structure,in vitro and in vivo behavior of PEO coatings on mg-alloy
收藏 引用
Journal of magnesium and Alloys 2024年 第6期12卷 2360-2379页
作者: D.V.mashtalyar I.m.Imshinetskiy V.V.Kashepa K.V.Nadaraia m.A.Piatkova A.I.Pleshkova K.A.Fomenko A.Yu.Ustinov s.L.sinebryukhov s.V.Gnedenkov Institute of Chemistry Far Eastern BranchRussian Academy of SciencesVladivostok690022Russia Far Eastern Federal University Vladivostok690950Russia Regional Clinical Dermatovenerological Dispensary Vladivostok690033Russia
The present study investigates the physical and chemical characteristics,behavior in vitro and in vivo,and biocompatibility of coatings containing Ta_(2)O_(5),which are obtained by plasma electrolytic oxidation(PEO)on... 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
Unraveling the nature of sensing in electrostatic mEms gas sensors
收藏 引用
microsystems & Nanoengineering 2024年 第3期10卷 109-117页
作者: Yasser s.shama sasan Rahmanian Hamza mouharrar Rana Abdelrahman Alaaeldin Elhady Eihab m.Abdel-Rahman systems Design Engineering University of Waterloo200 University Ave WWaterloo N2L 3G1 ONCanada mechanical Engineering Benha Faculty of EngineeringBenha UniversityBenha 13511Egypt
This paper investigates the fundamental sensing mechanism of electrostatic mEms gas *** compares among the responsivities of a set of mEms isopropanol sensors before and after functionalization,and in the presence and... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
secure and efficient prediction of electric vehicle charging demand usingα^(2)-LsTm and AEs-128 cryptography
收藏 引用
Energy and AI 2024年 第2期16卷 84-100页
作者: manish Bharat Ritesh Dash K.Jyotheeswara Reddy A.s.R.murty Dhanamjayulu C. s.m.muyeen Department of Electrical and Electronics Engineering Visvesvaraya Technological UniversityBelgaumIndia school of Electrical and Electronics Engineering REVA UniversityBangaloreIndia school of Electrical Engineering Vellore Institute of TechnologyVelloreIndia Department of Electrical Engineering Qatar UniversityDoha2713Qatar
In recent years,there has been a significant surge in demand for electric vehicles(EVs),necessitating accurate prediction of EV charging *** prediction plays a crucial role in evaluating its impact on the power grid,e... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Effect of special types of bread with select herbal components on postprandial glucose levels in diabetic patients
收藏 引用
World Journal of Diabetes 2024年 第4期15卷 664-674页
作者: Drasko m Gostiljac srdjan s Popovic Vesna Dimitrijevic-sreckovic sasa m Ilic Jelena A Jevtovic Dragan m Nikolic Ivan A soldatovic Clinic for Endocrinology Diabetes and Metabolic DiseasesUniversity Clinical Centre of SerbiaBelgrade 11000Serbia Faculty of medicine University of BelgradeBelgrade 11000Serbia Clinic for Gastroenterology and Hepatology University Clinical Centre of SerbiaBelgrade 11000Serbia Clinic for Endocrinology Diabetes and Metabolic Diseases-Laboratory for Human Pancreatic Islets CultureUniversity Clinical Centre of SerbiaBelgrade 11000Serbia
BACKGROUND Nutrition recommendations in patients with type 2 diabetes mellitus(T2Dm)are to consume rye or integral bread instead of white bread.A positive effect on glucoregulation has been achieved by enriching food ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
stability analysis and soliton solutions of the(1+1)-dimensional nonlinear chiral schrodinger equation in nuclear physics
收藏 引用
Communications in Theoretical Physics 2024年 第9期76卷 1-15页
作者: Fazal Badshah Kalim U Tariq Ahmet Bekir s m Raza Kazmi Emad Az-Zo'bi school of Electrical and Information Engineering Hubei University of Automotive TechnologyShiyan 442002China Department of mathematics Mirpur University of Science and TechnologyMirpur-10250(AJK)Pakistan Neighbourhood of Akcaglan Imarli StreetNumber:28/426030EskisehirTurkey Department of mathematics and statistics Faculty of ScienceMutah UniversityAlKarak 61710Jordan
The nonlinear schrodinger equation equation is one of the most important physical models used in optical fiber theory to explain the transmission of an optical *** field of chiral soliton propagation in nuclear physic... 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
The influence of resistance exercise training prescription variables on skeletal muscle mass,strength,and physical function in healthy adults:An umbrella review
收藏 引用
Journal of sport and Health science 2024年 第1期13卷 47-60页
作者: Jonathan C.mcleod Brad s.Currier Caroline V.Lowisz stuart m.Phillips Department of Kinesiology Faculty of ScienceMcMaster UniversityHamilton L8S4L8Canada
Purpose:The aim of this umbrella review was to determine the impact of resistance training(RT)and individual RT prescription variables on muscle mass,strength,and physical function in healthy ***:Following Preferred R... 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
RPLP0/TBP are the most stable reference genes for human dental pulp stem cells under osteogenic differentiation
收藏 引用
World Journal of stem Cells 2024年 第6期16卷 656-669页
作者: Daniel B Ferreira Leticia m Gasparoni Cristiane F Bronzeri Katiucia B s Paiva Laboratory of Extracellular matrix Biology and Cellular Interaction Department of AnatomyInstitute of Biomedical SciencesUniversity of São PauloSão Paulo 05508-000São PauloBrazil
BACKGROUND Validation of the reference gene(RG)stability during experimental analyses is essential for correct quantitative real-time polymerase chain reaction(RT-qPCR)data ***,in an unreliable way,several studies use... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Artificial Intelligence Prediction of One-Part Geopolymer Compressive strength for sustainable Concrete
收藏 引用
Computer modeling in Engineering & sciences 2024年 第10期141卷 525-543页
作者: mohamed Abdel-mongy mudassir Iqbal m.Farag Ahmed.m.Yosri Fahad Alsharari saif Eldeen A.s.Yousef Department of Civil Engineering College of EngineeringJouf UniversitySakaka72388Saudi Arabia Department of Civil Engineering University of Engineering and TechnologyPeshawar54890Pakistan Civil Engineering Department Faculty of EngineeringAl-Azhar UniversityCairo11884Egypt Civil Engineering Department Faculty of EngineeringAswan UniversityAswan81528Egypt
Alkali-activated materials/geopolymer(AAms),due to their low carbon emission content,have been the focus of recent studies on ecological *** terms of performance,fly ash and slag are preferredmaterials for precursors ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Development of an ultrathin liquid sheet target for laser ion acceleration at high repetition rates in the kilohertz range
收藏 引用
High Power Laser science and Engineering 2024年 第3期12卷 134-145页
作者: m.Füle A.P.Kovács T.Gilinger m.Karnok P.Gaál s.Figul G.marowsky K.Osvay National Laser-Initiated Transmutation Laboratory University of SzegedSzegedHungary Department of Experimental Physics University of SzegedSzegedHungary ELI ALPs ELI-HU Non-Profit Ltd.SzegedHungary Department of Optics and Quantum Electronics University of SzegedSzegedHungary Advanced microfluidic systems GmbH GöttingenGermany
A colliding microjet liquid sheet target system was developed and tested for pairs of round nozzles of 10,11 and 18μm in *** sheet's position stability was found to be better than a few *** interaction with 50 mJ las... 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
Proteome profiling to advance management of metabolic dysfunction-associated fatty liver disease
收藏 引用
Hepatobiliary surgery and Nutrition 2024年 第1期13卷 147-149页
作者: mohammed Eslam Nahum méndez-sánchez ming-Hua Zheng storr Liver Centre Westmead Institute for Medical ResearchWestmead Hospital and University of SydneySydneyNSWAustralia Liver Research Unit Medica Sur Clinic FoundationMexico CityMexico mAFLD Research Center Department of HepatologyThe First Affiliated Hospital of Wenzhou Medical UniversityWenzhouChina Institute of Hepatology Wenzhou Medical UniversityWenzhouChina Key Laboratory of Diagnosis and Treatment for The Development of Chronic Liver Disease in Zhejiang Province WenzhouChina
metabolic dysfunction-associated fatty liver disease(mAFLD)is a complex,heterogenous and progressive disease that is characterised by substantial phenotypic variability,which results in disparate clinical presentation... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论