咨询与建议

限定检索结果

文献类型

  • 42,398 篇 期刊文献
  • 343 篇 会议

馆藏范围

  • 42,741 篇 电子文献
  • 0 种 纸本馆藏

日期分布

学科分类号

  • 18,554 篇 医学
    • 8,927 篇 临床医学
    • 4,158 篇 中西医结合
    • 2,711 篇 中医学
    • 1,710 篇 公共卫生与预防医...
    • 1,677 篇 中药学(可授医学、...
    • 1,660 篇 药学(可授医学、理...
    • 1,244 篇 基础医学(可授医学...
    • 1,031 篇 医学技术(可授医学...
    • 718 篇 护理学(可授医学、...
  • 15,463 篇 工学
    • 2,270 篇 材料科学与工程(可...
    • 2,257 篇 化学工程与技术
    • 1,301 篇 机械工程
    • 960 篇 计算机科学与技术...
    • 869 篇 食品科学与工程(可...
    • 799 篇 生物医学工程(可授...
    • 789 篇 环境科学与工程(可...
    • 788 篇 电气工程
    • 771 篇 软件工程
    • 714 篇 生物工程
    • 710 篇 仪器科学与技术
    • 700 篇 电子科学与技术(可...
  • 5,583 篇 理学
    • 1,455 篇 化学
    • 1,329 篇 生物学
    • 766 篇 生态学
  • 5,289 篇 农学
    • 1,538 篇 作物学
    • 977 篇 农业资源与环境
    • 835 篇 兽医学
  • 2,087 篇 管理学
    • 876 篇 公共管理
    • 726 篇 管理科学与工程(可...
  • 1,366 篇 教育学
    • 1,089 篇 教育学
  • 731 篇 经济学
  • 427 篇 法学
  • 422 篇 文学
  • 162 篇 历史学
  • 148 篇 艺术学
  • 102 篇 哲学
  • 84 篇 军事学

主题

  • 194 篇 儿童
  • 180 篇 影响因素
  • 164 篇 高血压
  • 145 篇 凋亡
  • 137 篇 大鼠
  • 128 篇 预后
  • 107 篇 2型糖尿病
  • 106 篇 糖尿病
  • 99 篇 危险因素
  • 95 篇 数值模拟
  • 95 篇 产量
  • 94 篇 免疫组织化学
  • 92 篇 诊断
  • 80 篇 耐药性
  • 75 篇 重金属
  • 73 篇 慢性阻塞性肺疾病
  • 69 篇 胃癌
  • 67 篇 临床应用
  • 65 篇 名医经验
  • 62 篇 合成

机构

  • 502 篇 北京中医药大学
  • 208 篇 中国科学院大学
  • 178 篇 吉林大学
  • 173 篇 成都中医药大学
  • 171 篇 北京科技大学
  • 171 篇 辽宁中医药大学
  • 162 篇 广州中医药大学
  • 158 篇 天津中医药大学
  • 158 篇 复旦大学
  • 157 篇 华中科技大学
  • 154 篇 天津大学
  • 144 篇 南京农业大学
  • 142 篇 四川大学
  • 135 篇 上海交通大学
  • 125 篇 西南大学
  • 123 篇 山东大学
  • 122 篇 东南大学
  • 120 篇 上海中医药大学
  • 118 篇 南京中医药大学
  • 117 篇 陕西中医药大学

作者

  • 200 篇 张岩
  • 164 篇 尹燕
  • 163 篇 王岩
  • 162 篇 张艳
  • 147 篇 王艳
  • 136 篇 李岩
  • 134 篇 王燕
  • 128 篇 李燕
  • 116 篇 李艳
  • 114 篇 银燕
  • 96 篇 尹艳
  • 82 篇 张燕
  • 73 篇 韩燕
  • 73 篇 孙艳
  • 69 篇 尹飞
  • 66 篇 刘艳
  • 63 篇 黄燕
  • 62 篇 李军
  • 56 篇 殷燕
  • 51 篇 陈艳

语言

  • 40,419 篇 中文
  • 2,321 篇 英文
  • 1 篇 其他
检索条件"作者=YIN Yan"
42741 条 记 录,以下是71-80 订阅
排序:
Effects of transferred NK4 gene on proliferation, migration, invasion and apoptosis of human prostate cancer DU145 cells
收藏 引用
Asian Journal of Andrology 2010年 第3期12卷 381-389,I0010页
作者: Dan Yue Yong Wang Ping Ma yin-yan Li Hong Chen Ping Wang Chang-Shan Ren Cancer Research Institute First Affiliated Hospital China Medical University Shenyang 110001 China Department of Urology Fourth Affiliated Hospital China Medical University Shenyang 110032 China Department of Ultrasound First Affihated Hospttal China Medical University Shenyang 110001 China
We investigated the ability of NK4, an antagonist of human hepatocyte growth factor (HGF), to inhibit the influence of HGF on proliferation, migration, invasion and apoptosis of human prostate cancer cells. Expressi... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Synthesis, Characterization and Inhibition Effects of Vanadium Substituted Dawson-type Heteropoly Acids(Mo, P)
收藏 引用
Chemical Research in Chinese Universities 2011年 第3期27卷 358-360页
作者: yin yan-bing yanG Yu-lil FAN Rui-qing ZHU yang-qing SUN Ji-ru Department of Applied Chemistry Harbin Institute of Technology Harbin 150001 P. R. China Department of Chemistry and Chemical Engineering Qiqihar University Qiqihar 161006 P. R. China
Four new vanadium substituted Dawson-type heteropoly acids H7[P2Mo17VO62]·39H2O(1), H8[P2Mo16V2O62]·41H2O(2), H9[P2Mo15V3O62]·51H2O(3) and H8[P2Mo14V4O62H2]·45H2O(4) were prepared respec-tively. Their stru... 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
Modification mechanism of cerium on the Al-18Si alloy
收藏 引用
Rare Metals 2006年 第1期25卷 11-15页
作者: ZHANG Henghua DUAN Haili SHAO Guangjie XU Luoping yin Junlin yan Biao School of Materials Science and Engineering Shanghai University Shanghai 200072 China School of Materials Science and Engineering Tongji University Shanghai 200092 China
The effect of the rare earth cerium (Ce) on the hypereutectic Al-Si alloy under different casting states have been studied by optical microscope and quantitative image analysis. It is found that the size and the qua... 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
CBETor:a hybrid-kinetic particle-in-cell code for cross-beam energy transfer simulation
收藏 引用
Plasma Science and Technology 2022年 第10期24卷 37-44页
作者: Jinlong JIAO Hezi WANG Hongyu ZHOU yan yin Bin QIAO Hongbin ZHUO Department of Physics National University of Defense TechnologyChangsha 410073People's Republic of China Zhejiang Institution of Modern Physics Department of PhysicsZhejiang UniversityHangzhou 310027People's Republic of China Center for Applied Physics and Technology HEDPSSKLNPTand School of PhysicsPeking UniversityBeijing 100871People's Republic of China Center for Advanced Material Diagnostic Technology Shenzhen Technology UniversityShenzhen 518118People's Republic of China
The parametric instability related to ion motion and the resulting cross-beam energy transfer are important aspects in the physics of inertial confinement *** numerical simulation of the above physical problems still ... 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
GLOBAL FINITE ELEMENT NONLINEAR GALERKIN METHOD FOR THE PENALIZED NAVIER-STOKES EQUATIONS
收藏 引用
Journal of Computational Mathematics 2001年 第6期19卷 607-616页
作者: yin-nian He yan-ren Hou Li-quan Mei (Faculty of Science, Xi’an Jiaotong University, Xi’an 710049, China) 西安交通大学 陕西 西安 710049
A global finite element nonlinear Galerkin method for the penalized Navier-Stokes equations is presented. This method is based on two finite element spaces XH and Xh, defined respectively on one coarse grid with grid ... 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
Characterization of the aerosol chemical composition during the COVID-19 lockdown period in Suzhou in the yangtze River Delta,China
收藏 引用
Journal of Environmental Sciences 2021年 第4期33卷 110-122页
作者: Honglei Wang Qing Miao Lijuan Shen Qian yang Yezheng Wu Heng Wei yan yin Tianliang Zhao Bin Zhu Wen Lu Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters Key Laboratory for Aerosol-Cloud-Precipitation of China Meteorological AdministrationNanjing University of Information Science&TechnologyNanjing 210044China Suzhou Environmental Monitoring Center Suzhou 215000China State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry Institute of Atmospheric PhysicsChinese Academy of SciencesBeijing 100029China
To control the spread of COVID-19,rigorous restrictions have been implemented in China,resulting in a great reduction in pollutant *** this study,we evaluated the air quality in the yangtze River Delta during the COVI... 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 Bibliometric Analysis and Visualization of Current Research Trends in Chinese Medicine for Osteosarcoma
收藏 引用
Chinese Journal of Integrative Medicine 2022年 第5期28卷 445-452页
作者: yin Meng-chen WANG Hong-shen yanG Xi XU Chong-qing WANG Tao yan yin-jie FAN Zhao-xiang MA Jun-ming YE Jie MO Wen Department of Orthopaedics Longhua HospitalShanghai University of Traditional Chinese MedicineShanghai(200032)China Division of Spine Surgery Center Guangdong Provincial Hospital of Traditional Chinese MedicineGuangzhou(510120)China Cancer Institute Longhua HospitalShanghai University of Traditional Chinese MedicineShanghai(200032)China
Background:To illustrate the research framework,overall knowledge structure,and development trends of Chinese medicine(CM)treatment for osteosarcoma(OS)by using a bibliometric analysis and newly developed visualizatio... 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 light and hypoxia induced gene ZmPORB1 determines tocopherol content in the maize kernel
收藏 引用
Science China(Life Sciences) 2024年 第3期67卷 435-448页
作者: Nannan Liu Yuanhao Du Shijuan yan Wei Chen Min Deng Shutu Xu Hong Wang Wei Zhan Wenjie Huang yan yin Xiaohong yang Qiao Zhao Alisdair R.Fernie Jianbing yan National Key Laboratory of Crop Genetic Improvement Huazhong Agricultural UniversityWuhan 430070China Hubei Hongshan Laboratory Wuhan 430070China Agro-biological Gene Research Center Guangdong Academy of Agricultural SciencesGuangzhou 510640China College of Agronomy Hunan Agricultural UniversityChangsha 410128China College of Agronomy Northwest A&F UniversityXi'an 710000China State Key Laboratory of North China Crop Improvement and Regulation Hebei Sub-center of National Maize Improvement Center of ChinaCollege of AgronomyHebei Agricultural UniversityBaoding 071001China College of Life Sciences South-Central Minzu UniversityWuhan 430070China Plant Science Facility of the Institute of Botany Chinese Academy of SciencesBeijing 100093China National Maize Improvement Center of China Beijing Key Laboratory of Crop Genetic ImprovementChina Agricultural UniversityBeijing 100093China Shenzhen Key Laboratory of Synthetic Genomics Guangdong Provincial Key Laboratory of Synthetic GenomicsShenzhen Institute of Synthetic BiologyShenzhen Institute of Advanced TechnologyChinese Academy of SciencesShenzhen 518055China Max Planck Institute of Molecular Plant Physiology Potsdam-Golm 14476Germany
Tocopherol is an important lipid-soluble antioxidant beneficial for both human health and plant growth. Here, we fine mapped a major QTLqVE1 affecting γ-tocopherol content in maize kernel, positionally cloned and con... 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
Galerkin solution of Winkler foundation-based irregular Kirchhoff plate model and its application in crown pillar optimization
收藏 引用
Journal of Central South University 2016年 第5期23卷 1253-1263页
作者: 彭康 尹旭岩 尹光志 许江 黄滚 殷志强 State Key Laboratory of Coal Mine Disaster Dynamics and Control Chongqing University Chongqing 400044 China State Key Laboratory of Resources and Safe Mining (CUMT) Xuzhou 221116 China College of Resources and Environmental Science Chongqing University Chongqing 400030 China Key Laboratory of Deep Coal Mine Excavation Response & Disaster Prevention and Control of Anhui Province (Anhui University of Science and Technology) Huainan 232001 China
Irregular plates are very common structures in engineering,such as ore structures in *** this work,the Galerkin solution to the problem of a Kirchhoff plate lying on the Winkler foundation with two edges simply suppor... 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 alendronate sodium combined with InterTan on osteoporotic femoral intertrochanteric fractures and fracture recurrence
收藏 引用
World Journal of Clinical Cases 2022年 第21期10卷 7324-7332页
作者: Ke-Meng Wang Shi-Ping Wei Xiao-yan yin Qing-Ju Meng Yu-Ming Kong Department of Orthopedics First Affiliated Hospital of Xingtai Medical CollegeXingtai 054001Hebei ProvinceChina Department of Basic Medicine Xingtai Medical CollegeXingtai 054001Hebei ProvinceChina Department of Orthopedics The First Hospital of XingtaiXingtai 054001Hebei ProvinceChina
BACKGROUND Osteoporosis is a global disease affecting 6.6%of the total *** complications include fractures,increased bone fragility,and reduced bone *** most commonly affected parts are the vertebral body,hip,and *** ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论