咨询与建议

限定检索结果

文献类型

  • 86,941 篇 期刊文献
  • 3,850 册 图书
  • 2,969 篇 会议
  • 140 篇 学位论文
  • 16 篇 报纸
  • 2 篇 多媒体

馆藏范围

  • 92,208 篇 电子文献
  • 1,786 种 纸本馆藏

日期分布

学科分类号

  • 32,864 篇 医学
    • 27,420 篇 临床医学
    • 4,037 篇 医学技术(可授医学...
    • 2,762 篇 基础医学(可授医学...
    • 2,316 篇 中西医结合
    • 1,915 篇 公共卫生与预防医...
    • 1,331 篇 药学(可授医学、理...
  • 32,538 篇 工学
    • 6,415 篇 材料科学与工程(可...
    • 3,748 篇 生物医学工程(可授...
    • 3,596 篇 化学工程与技术
    • 2,279 篇 机械工程
    • 2,237 篇 电子科学与技术(可...
    • 1,921 篇 计算机科学与技术...
    • 1,698 篇 动力工程及工程热...
    • 1,480 篇 地质资源与地质工...
    • 1,272 篇 仪器科学与技术
    • 1,250 篇 电气工程
    • 1,223 篇 力学(可授工学、理...
    • 1,158 篇 环境科学与工程(可...
    • 1,152 篇 水利工程
  • 15,958 篇 理学
    • 2,975 篇 物理学
    • 2,701 篇 化学
    • 2,675 篇 数学
    • 2,313 篇 生物学
    • 1,689 篇 地质学
  • 7,418 篇 农学
    • 1,806 篇 作物学
    • 1,626 篇 畜牧学
    • 1,212 篇 农业资源与环境
  • 3,516 篇 管理学
    • 1,623 篇 管理科学与工程(可...
  • 2,303 篇 经济学
    • 2,006 篇 应用经济学
  • 1,802 篇 教育学
    • 1,287 篇 教育学
  • 1,304 篇 法学
  • 1,281 篇 文学
  • 511 篇 历史学
  • 498 篇 艺术学
  • 459 篇 哲学
  • 145 篇 军事学

主题

  • 963 篇 ct
  • 838 篇 mri
  • 576 篇 美国
  • 532 篇 病人
  • 504 篇 患者
  • 429 篇 mr
  • 416 篇 and
  • 409 篇 of
  • 329 篇 cancer
  • 247 篇 北美洲
  • 221 篇 治疗
  • 207 篇 analysis
  • 194 篇 美利坚合众国
  • 191 篇 covid-19
  • 160 篇 disease
  • 152 篇 儿童
  • 151 篇 诊断
  • 141 篇 water
  • 132 篇 energy
  • 127 篇 应用

机构

  • 160 篇 北京大学
  • 127 篇 同济医科大学附属...
  • 104 篇 中国科学院大学
  • 100 篇 清华大学
  • 83 篇 浙江大学
  • 71 篇 华中科技大学同济...
  • 68 篇 department of ph...
  • 67 篇 美国加州大学
  • 67 篇 university of sc...
  • 67 篇 institute for pa...
  • 67 篇 california insti...
  • 67 篇 department of ph...
  • 67 篇 department of ph...
  • 67 篇 desy d-15735 zeu...
  • 67 篇 georg-august-uni...
  • 67 篇 bartol research ...
  • 67 篇 kavli institute ...
  • 66 篇 department of ph...
  • 66 篇 kek high energy ...
  • 66 篇 niels bohr insti...

作者

  • 240 篇 叶鹏
  • 232 篇 m.k
  • 122 篇 郭战宏
  • 113 篇 刘莉
  • 110 篇 郭俊
  • 84 篇 f.krauss
  • 84 篇 g.weiglein
  • 84 篇 h.murayama
  • 84 篇 j.parsons
  • 84 篇 j.d.jackson
  • 83 篇 g.d'ambrosio
  • 83 篇 r.s.chivukula
  • 74 篇 y.kwon
  • 74 篇 唐光健
  • 63 篇 李开
  • 52 篇 王亭忠
  • 52 篇 m.white
  • 49 篇 s.blusk
  • 49 篇 刘凯
  • 44 篇 余英豪

语言

  • 58,681 篇 中文
  • 35,225 篇 英文
  • 2 篇 日文
检索条件"作者=M.Ghoranneviss"
93918 条 记 录,以下是61-70 订阅
排序:
A simple method for automatic recreation of railway horizontal alignments
收藏 引用
Railway Engineering Science 2025年 第1期33卷 62-78页
作者: Alberte Castro Gerardo Casal Duarte Santamarina miguel E.Vázquez‑méndez Transportation and Infrastructure Engineering Universidade de Santiago de CompostelaEPSERúa Benigno Ledo27002 LugoSpain Department of Applied mathematics Universidade de Santiago de CompostelaEPSERúa Benigno Ledo27002 LugoSpain CITmAga Rúa de Constantino Candeira15782 Santiago de CompostelaSpain
This paper deals with the problem of recreating horizontal alignments of existing railway *** main objective is to propose a simple method for automatically obtaining optimized recreated alignments located as close as... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Enhancing Classification Algorithm Recommendation in Automated machine Learning: A meta-Learning Approach Using multivariate Sparse Group Lasso
收藏 引用
Computer modeling in Engineering & Sciences 2025年 第2期142卷 1611-1636页
作者: Irfan Khan Xianchao Zhang Ramesh Kumar Ayyasamy Saadat m.Alhashmi Azizur Rahim School of Software Dalian University of TechnologyDalian116620China Faculty of Information and Communication Technology Universiti Tunku Abdul RahmanKampar31900Malaysia College of Computing and Informatics University of SharjahSharjah27272United Arab Emirates Department of Computer Systems Engineering University of Engineering and Applied SciencesSwat19200Pakistan
The rapid growth of machine learning(mL)across fields has intensified the challenge of selecting the right algorithm for specific tasks,known as the Algorithm Selection Problem(ASP).Traditional trial-and-error methods... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Perspectives on the m 7.1 2025 Southern Tibetan Plateau (Xizang) Earthquake
收藏 引用
Journal of Earth Science 2025年
作者: Timothy m.Kusky Jiannan meng State Key Lab for Geological Processes and mineral Resources and Center for Global TectonicsSchool of Earth SciencesChina University of Geosciences(Wuhan) Badong National Observatory and Research Station for Geohazards China University of Geosciences
On January 7,2025,01:05:15 UTC (9:05 *** time) southern Tibet was rocked by a mw7.1 earthquake (mw=moment magnitude,USGS) centered(28.639°N 87.361°E) in the Lhasa Block north of the India/Eurasia Plate boundar...
来源: 同方期刊数据库 同方期刊数据库 评论
The effect of adsorbent textural and functional properties on model naphthenic acid adsorption
收藏 引用
Journal of Environmental Sciences 2025年 第2期148卷 27-37页
作者: Tyler m.Roy Elmira Nazari Oliver K.L.Strong Paul R.Pede Andrew J.Vreugdenhil material Science Department of ChemistryTrent University1600 West BankPeterboroughOntario K9L 0G2Canada Carbonix 690 Mountain RdSuite 200Fort William First NationOntario P7J 1G8Canada
Naphthenic acids,NAs,are a major contaminant of concern and a focus of much research around remediation of oil sand process affected waters,*** activated carbon adsorbents are an attractive option given their low cost... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
The formation,development and classification of rail corrugation:a survey on Chinese metro
收藏 引用
Railway Engineering Science 2025年 第1期33卷 43-61页
作者: Yang Wang Hong Xiao Zhihai Zhang Xuhao Cui Yihao Chi mahantesh m.Nadakatti School of Civil Engineering Beijing Jiaotong UniversityBeijing 100044China Beijing Key Laboratory of Track Engineering Beijing Jiaotong UniversityBeijing 100044China Faculty of Architecture Civil and Transportation EngineeringBeijing University of TechnologyBeijing 100124China Department of mechanical Engineering KLS Gogte Institute of TechnologyBelagavi 590008India
Investigations into rail corrugation within metro systems have traditionally focused on specific mechanisms,thereby limiting the generalizability of proposed *** the commonalities in rail corrugation across diverse me... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Efficacy of antimicrobials in preventing resistance in solid organ transplant recipients:A systematic review of clinical trials
收藏 引用
World Journal of Transplantation 2025年 第1期15卷 156-164页
作者: Carlos m Ardila Pradeep K Yadalam Jaime Ramírez-Arbelaez Department of Basic Sciences Faculty of Dentistry Biomedical Stomatology Research GroupUniversidad de Antioquia U de AMedellín 0057Colombia Department of Postdoctoral Program CIFE University CenterCuernavaca 62330MorelosMexico Department of Periodontics Saveetha Dental CollegeSaveetha Institute of Medical and HealthSIMATSSaveetha UniversityChennai 600077Tamil NaduIndia Department of Transplantation Hospital San Vicente FundaciónRionegro 054047Colombia
BACKGROUND In the absence of effective antimicrobials,transplant surgery is not viable,and antirejection immunosuppressants cannot be administered,as resistant infections compromise the life-saving goal of organ *** T... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Sleep as a window to understand and regulate Alzheimer's disease:emerging roles of thalamic reticular nucleus
收藏 引用
Neural Regeneration Research 2025年 第6期20卷 1711-1712页
作者: Haoqi Sun Shiqian Shen Robert J.Thomas m.Brandon Westover Can Zhang Department of Neurology Beth Israel Deaconess Medical CenterHarvard Medical SchoolBostonMAUSA Center for Translational Pain Research Department of AnesthesiaCritical Care and Pain MedicineMassachusetis General HospitalHarvard Medical SchoolBostonMAUSA Division of Pulmonary Critical Care and Sleep MedicineDepartment of MedicineBeth Israel Deaconess Medical CenterHarvard Medical SchoolBostonMAUSA Genetics and Aging Research Unit McCance Center for Brain HealthMass General Institute for Neurodegenerative DiseaseDepartment of NeurologyMassachusetts General HospitalHarvard Medical SchoolBostonMAUSA
Introduction:Alzheimer 's disease(AD) is a common neurodegenerative disorder and the primary cause of dementia. Considerable evidence supports the “amyloid hypothesis,” stating that the pathogenesis of AD is primari... 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 comprehensive review of phytochemical approaches in treatment of acute myeloid leukemia:Associated pathways and molecular mechanisms
收藏 引用
Chinese Herbal medicines 2025年 第1期17卷 41-55页
作者: mouvanal Sajana T.S.Gopenath Basalingappa m.Kanthesh Division of molecular Biology School of Life SciencesJSS AHER Department of Biotechnology and Bioinformatics School of Life SciencesJSS AHER
Acute myeloid leukemia(AmL) is a type of cancer that affects the blood and bone *** review conducts a thorough analysis of AmL, addressing its genetic *** examination extends to the current therapeutic approaches empl... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
A Cost-Effective Flood Warning System for Small Urban Basins
收藏 引用
Journal of Earth Science 2025年 第1期36卷 307-313页
作者: Robert E.Criss Eric m.Stein Department of Earth and Planetary Sciences Washington UniversitySt.Louis MO 63130USA
An effective warning system for flash floods along the upper River des Peres, a small urban stream in eastern missouri, USA, is based on three enterprise-level, automated rain *** floods in this 25 km~2 basin develop ... 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
ARCHImEDES'PRINCIPLE OF FLOTATION AND FLOATING BODIES:CONSTRUCTION,EXTENSIONS AND RELATED PROBLEmS
收藏 引用
Acta mathematica Scientia 2025年 第1期45卷 237-256页
作者: Chunyan LIU Elisabeth m.WERNER Deping YE 张宁 School of mathematics and Computer Science Wuhan Polytechnic UniversityWuhan430048China Department of mathematics Case Western Reserve UniversityClevelandOH44106USA Department of mathematics and Statistics Memorial University of NewfoundlandSt.John’sNewfoundlandCanadaA1C 5S7 Department of mathematics and Statistics Memorial University of NewfoundlandSt.John’sSchool of Mathematics and StatisticsHuazhong University of Science and Technology1037 Luoyu RoadWuhan430074China
In this article,we explain how the famous Archimedes’principle of flotation can be used to construct various floating *** survey some of the most important results regarding the floating bodies,including their relati... 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