咨询与建议

限定检索结果

文献类型

  • 4,649 篇 期刊文献
  • 30 篇 会议

馆藏范围

  • 4,679 篇 电子文献
  • 0 种 纸本馆藏

日期分布

学科分类号

  • 2,063 篇 医学
    • 1,319 篇 临床医学
    • 383 篇 中西医结合
    • 195 篇 中药学(可授医学、...
    • 177 篇 基础医学(可授医学...
    • 175 篇 药学(可授医学、理...
    • 162 篇 医学技术(可授医学...
    • 152 篇 中医学
    • 106 篇 公共卫生与预防医...
  • 1,784 篇 工学
    • 296 篇 材料科学与工程(可...
    • 191 篇 化学工程与技术
    • 178 篇 电子科学与技术(可...
    • 163 篇 电气工程
    • 153 篇 机械工程
    • 137 篇 生物医学工程(可授...
    • 99 篇 地质资源与地质工...
    • 82 篇 计算机科学与技术...
    • 75 篇 动力工程及工程热...
    • 73 篇 水利工程
    • 72 篇 环境科学与工程(可...
    • 65 篇 仪器科学与技术
    • 64 篇 交通运输工程
  • 757 篇 理学
    • 164 篇 地质学
    • 140 篇 生物学
    • 112 篇 化学
    • 84 篇 物理学
    • 77 篇 生态学
  • 572 篇 农学
    • 151 篇 作物学
    • 129 篇 农业资源与环境
    • 104 篇 畜牧学
    • 79 篇 兽医学
  • 142 篇 管理学
  • 42 篇 教育学
  • 39 篇 经济学
  • 18 篇 历史学
  • 13 篇 法学
  • 11 篇 文学
  • 8 篇 艺术学
  • 7 篇 军事学
  • 5 篇 哲学

主题

  • 275 篇 类风湿关节炎
  • 93 篇 类风湿性关节炎
  • 58 篇 关节炎,类风湿
  • 43 篇 类风湿
  • 42 篇 表面粗糙度
  • 34 篇 综述
  • 33 篇 关节炎
  • 30 篇 影响因素
  • 30 篇 预后
  • 29 篇 磁性能
  • 29 篇 meta分析
  • 27 篇 大鼠
  • 27 篇 全新世
  • 27 篇 氧化应激
  • 26 篇 磁共振成像
  • 25 篇 研究进展
  • 24 篇 类风湿因子
  • 24 篇 数值模拟
  • 22 篇 骨髓增生异常综合...
  • 22 篇 超声检查

机构

  • 258 篇 甘肃农业大学
  • 239 篇 兰州大学
  • 233 篇 甘肃中医药大学
  • 158 篇 四川大学
  • 128 篇 兰州理工大学
  • 122 篇 兰州交通大学
  • 98 篇 甘肃省人民医院
  • 96 篇 兰州大学第二医院
  • 93 篇 兰州大学第一医院
  • 89 篇 西北民族大学
  • 69 篇 甘肃省中医院
  • 54 篇 中国科学院大学
  • 53 篇 西北师范大学
  • 42 篇 中国人民解放军联...
  • 37 篇 仲恺农业工程学院
  • 35 篇 甘肃中医药大学附...
  • 31 篇 北京中医药大学
  • 28 篇 贵州中医药大学第...
  • 27 篇 北京大学
  • 26 篇 南京大学

作者

  • 69 篇 黄卡玛
  • 45 篇 马武开
  • 34 篇 马斌
  • 27 篇 姚血明
  • 26 篇 马宁
  • 25 篇 马敏杰
  • 24 篇 马丽
  • 23 篇 赵继荣
  • 23 篇 马静
  • 23 篇 马剑达
  • 23 篇 马瑞
  • 22 篇 王刚
  • 22 篇 马莉
  • 21 篇 马慧萍
  • 21 篇 马同
  • 21 篇 马忠仁
  • 21 篇 汪军成
  • 20 篇 李葆春
  • 19 篇 韩彪
  • 19 篇 马小乐

语言

  • 4,307 篇 中文
  • 372 篇 英文
检索条件"作者=Muha.ma. Isla. Ka.ra."
4679 条 记 录,以下是1-10 订阅
排序:
Within-host models unravelling the dynamics of dengue reinfections
收藏 引用
Infectious Disease Modelling 2024年 第2期9卷 458-473页
作者: Vizda Anam Bruno V.Guerrero Akhil Kumar Srivastav Nico Stollenwerk maíra Aguiar Basque Center for Applied mathematics Basque CountrySpain Department of mathematics and Statistics University of Basque CountryBasque CountrySpain Ikerbasque Basque Foundation for ScienceBasque CountrySpain
Caused by four serotypes,dengue fever is a major public health concern *** modeling efforts have mostly focused on primary and heterologous secondary infections,assuming that lifelong immunity prevents reinfections by... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
De novo synthesis of atropisomeric benzofurans via Cu/SPDO complex catalyzed asymmetric formal [3 + 2] annulation
收藏 引用
Science China Chemistry 2024年
作者: Fan-Xiao Meng Xing-Yu Wang ka Lu Ju-Song Yang Fu-Min Zhang Ai-Jun ma Bao Du Yong-Qiang Tu State Key Laboratory of Applied Organic Chemistry College of Chemistry and Chemical Engineering Lanzhou University School of Chemistry and Chemical Engineering Shanghai Jiao Tong University School of Biotechnology and Health Sciences Wuyi UniversityJiangmen
Herein, the de novo synthesis of atropisomeric benzofurans through the Cu/spirocyclic-pyrrolidine-oxazoline(SPDO) complex catalyze asymmetric formal [3 + 2] cycloaddition between quinones and ynamides is explored, pro...
来源: 同方期刊数据库 同方期刊数据库 评论
A review of vehicle detection methods based on computer vision
Journal of Intelligent and Connected Vehicles
收藏 引用
Journal of Intelligent and Connected Vehicles 2024年 第1期7卷 1-18页
作者: Changxi ma Fansong Xue School of Traffic and Transportation Lanzhou Jiaotong UniversityLanzhou 730070China Key Laboratory of railway Industry on Plateau railway Transportation Intelligent management and Control Lanzhou 730070China
With the increasing number of vehicles,there has been an unprecedented pressure on the operation and maintenance of intelligent transportation systems and transportation *** order to achieve faster and more accurate i... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
A review of research on urban parking prediction
收藏 引用
Journal of Traffic and Transportation Engineering(English Edition) 2024年 第4期11卷 700-720页
作者: Changxi ma Xiaoting Huang Jiangchen Li School of Traffic and Transportation Lanzhou Jiaotong UniversityLanzhou 730070China College of Civil Aviation Nanjing University of Aeronautics and AstronauticsNanjing 210016China
The rapid growth of urban traffic has intensified daily congestion,affecting both traffic flow and *** parking prediction plays a vital role in effectively managing limited parking resources and is essential for the s... 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
Incorporating metapath interaction on heterogeneous information network for social recommendation
收藏 引用
Frontiers of Computer Science 2024年 第1期18卷 33-48页
作者: Yanbin JIANG Huifang ma Xiaohui ZHANG Zhixin LI Liang CHANG College of Computer Science and Engineering Northwest Normal UniversityLanzhou 730070China Guangxi Key Lab of Multi-source Information Mining and Security Guangxi Normal UniversityGuilin 541001China Guangxi Key Laboratory of Trusted Software Guilin University of Electronic TechnologyGuilin 541004China
Heterogeneous information network(HIN)has recently been widely adopted to describe complex graph structure in recommendation systems,proving its effectiveness in modeling complex graph *** existing HIN-based recommend... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Tunable Phase Structure of Side-chain Liquid Crystalline Polymers Enabled by Molecular Engineering of Dual Mesogenic Cores
收藏 引用
Chinese Journal of Polymer Science 2024年 第10期42卷 1459-1469,I0009页
作者: Wen-Huan Yao Lan-Sheng Liu Jie Zhao Yan-Xia Wang An-Zhi ma Zheng-Rui ma Lan-Ying Zhang Ruo-Chen Lan College of Chemistry and Chemical Engineering Hunan UniversityChangsha410082China Key Laboratory of Eco-Functional Polymer materials of the Ministry of Education Key Laboratory of Eco-Environmental Polymer Materials of Gansu ProvinceCollege of Chemistry and Chemical EngineeringNorthwest Normal UniversityLanzhou730070China Department of materials Science and Engineering College of EngineeringPeking UniversityBeijing100871China Institute of Advanced materials&Key Lab of Fluorine and Silicon for Energy materials and Chemistry of Ministry of Education College of Chemistry and Chemical EngineeringJiangxi Normal UniversityNanchang330022China
A series of novel side-chain liquid crystalline(SCLC)copolymers were synthesized by attaching two distinct mesogenic units,namely a chiral cholesteryl-based monomer(M1)and an achiral biphenyl-based monomer(M2),to a po... 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
Spatial Equity Evaluation of Rural Eldercare Service Resources Based on Accessibility: A Case Study of Huanxian County of Gansu Province, China
收藏 引用
Chinese Geographical Science 2024年 第5期34卷 869-885页
作者: CHANG Xiaoyan ma Libang CUI Xijuan TAO Tianmin ZHAO Shoucun College of Geography and Environmental Science Northwest Normal UniversityLanzhou 730000China Key Laboratory of Resource Environment and Sustainable Development of Oasis Gansu ProvinceLanzhou 730070China Northwest Institute of Urban-Rural Development and Collaborative Governance Lanzhou 730070China
Safeguarding the elderly population in the countryside is an inherent requirement for alleviating social conflicts in rural areas and effectively carrying out China’s Rural *** existing spatial mismatch between rural... 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
Asymmetric orbital hybridization in Zn-doped antiperovskite Cu_(1-x)Zn_(x)NMn_(3)enables highly efficient electrocatalytic hydrogen production
收藏 引用
Journal of Energy Chemistry 2024年 第2期89卷 304-312,I0008页
作者: Yuxiang Yan Yuxin Cao Zhichao Wang ka Wang Hengdong Ren Shaoqi Zhang Yi Wang Jian Chen Yong Zhou Lizhe Liu Jun Dai Xinglong Wu National Laboratory of Solid States Microstructures and School of Physics Nanjing UniversityNanjing 210093JiangsuChina College of Engineering and Applied Sciences Nanjing UniversityNanjing 210093JiangsuChina National Laboratory of Solid States Microstructures and Research Institute of Superconductor Electronics Nanjing UniversityNanjing 210093JiangsuChina School of mathematics&Physics Jiangsu University Science&TechnologyZhenjiang 212003JiangsuChina
rational design of efficient and robust earth-abundant alkaline hydrogen evolution reaction(HER)catalysts is a key factor for developing energy conversion ***,antiperovskite nitride CuNMn_(3)has garnered significant i... 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
Environmental determinants of social wasp diversity and assemblage structure in an Amazonian archipelagic landscape
收藏 引用
Zoological Research(Diversity and Conservation) 2024年 第2期1卷 121-129页
作者: Jose Victor Alves Ferreira Alexandre Somavilla maíra Benchimol Ana Filipa Palmeirim Carlos A.Peres Danielle Storck-Tonon Laboratório de Ecologia Aplicada àConservação Universidade Estadual de Santa CruzIlhéus 45662-900Brazil Instituto Nacional de Pesquisas da Amazônia Coordenação de BiodiversidadeManaus 69067-001Brazil CIBIO Centro de Investigação em Biodiversidade e Recursos GenéticosInBIO Laboratório AssociadoCampus de VairãoUniversidade do PortoVairão 4485-661Portugal BIOPOLIS Program in Genomics Biodiversity and Land PlanningCIBIOCampus de VairãoVairão 4485-661Portugal School of Environmental Sciences University of East AngliaNorwich NR47TJUK Instituto Juruá Manaus69057-060Brazil Programa de Pós-Graduação em Ambiente e Sistemas de Produção Agrícola(PPGASP) Universidade do Estado de Mato GrossoTangaráda Serra 78300-970Brazil
Hydropower development has become an important driver of habitat loss and fragmentation across lowland tropical *** ample evidence on the detrimental effects of insular habitat fragmentation on biodiversity,invertebra... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Adaptive coupled-sliding-variable-based finite-time control of composite formation for multi-robot systems
收藏 引用
Science China(Information Sciences) 2024年 第10期67卷 244-260页
作者: Xinru ma Hengyu LI Jun LIU Yueying WANG Shaorong XIE Jun LUO School of Mechatronic Engineering and Automation Shanghai University School of mathematics and Computer Application Technology Jining University School of Computer Science Shanghai University College of Mechanical and Vehicle Engineering Chongqing University
This paper focuses on the finite-time control(FTC) of the composite formation consensus(CFC)problems for multi-robot systems(MRSs). The CFC problems are firstly proposed for MRSs under the complex network topology of ... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论