咨询与建议

限定检索结果

文献类型

  • 104,774 篇 期刊文献
  • 5,882 篇 会议
  • 2,664 册 图书
  • 85 篇 学位论文
  • 13 篇 报纸

馆藏范围

  • 112,190 篇 电子文献
  • 1,278 种 纸本馆藏

日期分布

学科分类号

  • 45,147 篇 医学
    • 35,294 篇 临床医学
    • 4,999 篇 医学技术(可授医学...
    • 4,867 篇 基础医学(可授医学...
    • 4,015 篇 公共卫生与预防医...
    • 3,775 篇 中西医结合
    • 3,108 篇 药学(可授医学、理...
  • 41,547 篇 工学
    • 10,322 篇 材料科学与工程(可...
    • 6,455 篇 化学工程与技术
    • 5,358 篇 生物医学工程(可授...
    • 4,891 篇 机械工程
    • 4,594 篇 计算机科学与技术...
    • 3,997 篇 电子科学与技术(可...
    • 3,760 篇 电气工程
    • 3,569 篇 力学(可授工学、理...
    • 3,325 篇 动力工程及工程热...
    • 2,974 篇 环境科学与工程(可...
    • 2,574 篇 地质资源与地质工...
    • 2,520 篇 控制科学与工程
    • 2,362 篇 水利工程
    • 2,347 篇 冶金工程
  • 27,073 篇 理学
    • 7,870 篇 化学
    • 7,120 篇 物理学
    • 6,034 篇 生物学
    • 4,660 篇 数学
    • 2,567 篇 地质学
    • 2,379 篇 地球物理学
  • 9,317 篇 农学
    • 3,212 篇 作物学
  • 6,572 篇 管理学
    • 2,673 篇 管理科学与工程(可...
  • 3,873 篇 经济学
    • 3,261 篇 应用经济学
  • 3,786 篇 教育学
    • 2,354 篇 教育学
  • 3,681 篇 法学
  • 2,133 篇 文学
  • 756 篇 历史学
  • 742 篇 艺术学
  • 660 篇 哲学
  • 216 篇 军事学

主题

  • 872 篇 治疗
  • 818 篇 ct
  • 687 篇 儿童
  • 671 篇 mri
  • 615 篇 诊断
  • 514 篇 病人
  • 440 篇 患者
  • 439 篇 of
  • 426 篇 中国
  • 410 篇 美国
  • 343 篇 mr
  • 300 篇 and
  • 224 篇 cancer
  • 223 篇 预后
  • 180 篇 疗效
  • 172 篇 analysis
  • 153 篇 影响因素
  • 150 篇 应用
  • 135 篇 energy
  • 131 篇 microstructure

机构

  • 290 篇 北京大学
  • 237 篇 中国人民公安大学
  • 196 篇 上海交通大学
  • 180 篇 四川省人民医院
  • 169 篇 中国人民大学
  • 164 篇 上海第二医科大学...
  • 157 篇 清华大学
  • 144 篇 华中科技大学
  • 131 篇 南京大学
  • 127 篇 四川大学
  • 124 篇 福建师范大学
  • 109 篇 浙江大学
  • 107 篇 同济大学
  • 106 篇 中山大学
  • 102 篇 暨南大学
  • 102 篇 复旦大学
  • 102 篇 武汉大学
  • 96 篇 北京师范大学
  • 90 篇 浙江省人民医院
  • 89 篇 上海市第一人民医...

作者

  • 208 篇 叶鹏
  • 129 篇 王茹
  • 85 篇 h.murayama
  • 85 篇 j.d.jackson
  • 85 篇 g.d'ambrosio
  • 85 篇 刘莉
  • 84 篇 m.white
  • 72 篇 李茹
  • 71 篇 张茹
  • 65 篇 郭俊
  • 63 篇 china
  • 60 篇 mohamed s. el na...
  • 59 篇 朱国栋
  • 46 篇 唐光健
  • 42 篇 王铮
  • 42 篇 general administ...
  • 40 篇 p.de jong
  • 40 篇 people’s bank of...
  • 40 篇 陈茹
  • 36 篇 林茹

语言

  • 77,775 篇 中文
  • 35,633 篇 英文
  • 2 篇 日文
  • 1 篇 法文
检索条件"作者=s.ru kumari"
113418 条 记 录,以下是1-10 订阅
排序:
A spectral Convolutional Neural Network Model Based on Adaptive Fick’s Law for Hyperspectral Image Classification
收藏 引用
Computers, Materials & Continua 2024年 第4期79卷 19-46页
作者: Tsu-Yang Wu Haonan Li s.ru kumari Chien-Ming Chen school of Artificial Intelligence(school of Future Technology) Nanjing University of Information Science&TechnologyNanjing210044China College of Computer science and Engineering Shandong University of Science and TechnologyQingdao266590China Department of Mathematics Chaudhary Charan Singh UniversityMeerutUttar Pradesh250004India
Hyperspectral image classification stands as a pivotal task within the field of remote sensing,yet achieving highprecision classification remains a significant *** response to this challenge,a spectral Convolutional N... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Anticancer Activity of Rice Callus suspension Cultures from Aromatic Varieties and Metabolites Regulated in Treated Cancer Cell Lines
收藏 引用
Rice science 2024年 第4期31卷 449-462,I0027-I0030页
作者: Anuradha kumari Wusirika RAMAKRIsHNA Department of Biochemistry Central University of PunjabPunjab 151401India
Tissue culture techniques were used to produce large amounts of bioactive compounds with medicinal potential, overcoming space and time constraints for cancer prevention. Rice callus suspension cultures(RCsC) and seed... 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
Revealing the size effect of Fe s2on solid-state battery performances at different operating temperatures
收藏 引用
Chinese Chemical Letters 2024年 第6期35卷 189-194页
作者: Chaochao Wei ru Wang Zhongkai Wu Qiyue Luo Ziling Jiang Liang Ming Jie Yang Liping Wang Chuang Yu school of Chemistry and Chemical Engineering Huazhong University of Science and TechnologyWuhan 430074China state Key Laboratory of Advanced Electromagnetic Engineering and Technology School of Electrical and Electronic EngineeringHuazhong University of Science and TechnologyWuhan 430074China school of Materials and Energy University of Electronic Science and Technology of ChinaChengdu 611731China
Fes_(2) shows significant potential as cathode material for all-solid-state lithium batteries(AssLBs)due to its high theoretical specific capacity,low cost,and environmental ***,the poor ion/electron conductivity and ... 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
Cretaceous crown male ant reveals the rise of modern lineages
收藏 引用
Zoological Research 2024年 第5期45卷 983-989页
作者: Qiong Wu Alexander G.Radchenko Michael s.Engel Xiao-Qin Li Hong-ru Yang Xing-ru Li Chung-Kun shih Dong Ren Tai-Ping Gao College of Life sciences Capital Normal UniversityBeijing 100048China I.I.schmalhausen Institute of Zoology NAS of UkraineKiev 01054Ukraine Division of Invertebrate Zoology American Museum of Natural HistoryNew York 10024-5192USA Facultad de Ciencias Biológicas Universidad Nacional Mayor de San MarcosLima 11-0058Perú Departamento de Entomología Museo de Historia NaturalUniversidad Nacional Mayor de San MarcosLima 15072Perú Department of Chemistry Analytical and Testing CenterCapital Normal UniversityBeijing 100048China Department of Paleobiology National Museum of Natural HistorySmithsonian InstitutionWashington DC 20013-7012USA
Most described Mesozoic ants belong to stem groups that existed only during the Cretaceous ***,the earliest known crown ants were dated to the Turonian(Late Cretaceous,ca.94-90 million years ago(Ma))deposits found in ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Integral precession calibration method of PIGA on linear vibration table
收藏 引用
Chinese Journal of Aeronautics 2024年 第3期37卷 219-236页
作者: Chuang sUN shun-qing REN Jun-wei CAO ru HUO Department of Automation Tsinghua UniversityBeijing 100084China school of Astronautics Harbin Institute of TechnologyHarbin 150001China Beijing National Research Center for Information science and Technology Tsinghua UniversityBeijing 100084China Faculty of Information technology Beijing University of TechnologyBeijing 100124China
Linear vibration table can provide harmonic accelerations to excite the nonlinear error terms of Pendulous Integrating Gyro Accelerometer(PIGA).Integral precession calibration method is proposed to calibrate PIGA on a... 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
New insights into nitric oxide biosynthesis underpin lateral root development
收藏 引用
Molecular Plant 2024年 第5期17卷 691-693页
作者: Kapuganti Jagadis Gupta Nidhi Yadav Aprajita kumari Gary J.Loake National Institute for Plant Genome Research Aruna Asaf Ali MargNew Delhi 110070India Institute of Molecular Plant sciences School of Biological SciencesUniversity of EdinburghEH93BF EdinburghUK Centre for Engineering Biology School of Biological SciencesUniversity of EdinburghEH93BF EdinburghUK
In recent years,nitric oxide(NO)has emerged as a key redox signaling molecule in plants functioning in the regulation of key developmental programs and the orchestration of responses to a plethora of environmental cue... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Transcriptome analysis suggests broad jejunal alterations in Linghu’s obesity-diarrhea syndrome:A pilot study
收藏 引用
World Journal of Gastroenterology 2024年 第21期30卷 2777-2792页
作者: Xiao-Tong Niu Xiang-Yao Wang Yan Wang Ke Han Nan ru Jing-Yuan Xiang En-Qiang Linghu Medical school of Chinese PLA Chinese PLA General HospitalBeijing 100853China Department of Gastroenterology The First Medical Center of Chinese PLA General HospitalBeijing 100853China school of Medicine Nankai UniversityTianjin 300071China
BACKGROUND Obesity is associated with a significantly increased risk for chronic diarrhea,which has been proposed as Linghu’s obesity-diarrhea syndrome(ODs);however,its molecular mechanisms are largely *** To reveal ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Ekphrasis in Robert Browning’s “Fra Lippo Lippi”
收藏 引用
Journal of Literature and Art studies 2024年 第7期14卷 509-526页
作者: WANG ru-hui OU Rong school of International studies Hangzhou Normal UniversityChina
As an ekphrastic poem re-created from the painting Coronation of the Virgin,“Fra Lippo Lippi”lacks adequate s.rutiny from the perspective of interart *** regards to the core concept of ekphrasis,this paper makes an ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Advances of Electrochemical and Electrochemiluminescent sensors Based on Covalent Organic Frameworks
收藏 引用
Nano-Micro Letters 2024年 第2期16卷 395-422页
作者: Yue Cao ru Wu Yan‑Yan Gao Yang Zhou Jun‑Jie Zhu Key Laboratory for Organic Electronics and Information Displays(KLOEID)and Institute of Advanced Materials(IAM) Nanjing University of Posts and Telecommunications(NJUPT)Nanjing 210023People’s Republic of China state Key Laboratory of Analytical Chemistry for Life science School of Chemistry and Chemical EngineeringNanjing UniversityNanjing 210023People’s Republic of China
Covalent organic frameworks(COFs),a rapidly developing category of crystalline conjugated organic polymers,possess highly ordered s.ructures,large specific surface areas,stable chemical properties,and tunable pore ***... 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
Hole mobility enhancement in monolayer Wse2 p-type transistors through molecular doping
收藏 引用
science China(Information sciences) 2024年 第6期67卷 207-213页
作者: shiyuan LIU Xiong XIONG Xin WANG Xinhang sHI ru HUANG Yanqing WU school of Integrated Circuits and Beijing Advanced Innovation Center for Integrated Circuits Peking University Wuhan National High Magnetic Field Center and school of Integrated Circuits Huazhong University of Science and Technology
Two-dimensional (2D) transition metal dichalcogenide (TMDC) semiconductor materials exhibit extraordinary electrical properties,holding promise for the realization of next-generation complementary metal-oxide-semi... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论