咨询与建议

限定检索结果

文献类型

  • 189,629 篇 期刊文献
  • 1,347 篇 会议
  • 3 册 图书
  • 1 篇 学位论文

馆藏范围

  • 190,978 篇 电子文献
  • 2 种 纸本馆藏

日期分布

学科分类号

  • 79,201 篇 医学
    • 46,990 篇 临床医学
    • 12,048 篇 中西医结合
    • 11,516 篇 药学(可授医学、理...
    • 11,407 篇 公共卫生与预防医...
    • 9,592 篇 基础医学(可授医学...
    • 7,344 篇 中药学(可授医学、...
    • 5,666 篇 医学技术(可授医学...
    • 5,256 篇 中医学
  • 78,935 篇 工学
    • 14,796 篇 材料科学与工程(可...
    • 13,471 篇 化学工程与技术
    • 9,325 篇 机械工程
    • 7,292 篇 计算机科学与技术...
    • 6,937 篇 电气工程
    • 6,449 篇 环境科学与工程(可...
    • 5,776 篇 电子科学与技术(可...
    • 5,329 篇 动力工程及工程热...
    • 5,105 篇 生物医学工程(可授...
    • 4,611 篇 软件工程
    • 4,543 篇 仪器科学与技术
    • 4,454 篇 生物工程
    • 4,381 篇 食品科学与工程(可...
    • 4,181 篇 土木工程
  • 40,799 篇 理学
    • 15,447 篇 化学
    • 13,239 篇 生物学
    • 9,166 篇 物理学
    • 4,799 篇 生态学
  • 25,612 篇 农学
    • 8,343 篇 作物学
    • 5,072 篇 农业资源与环境
  • 10,926 篇 管理学
    • 4,178 篇 公共管理
  • 7,173 篇 教育学
    • 5,128 篇 教育学
  • 3,550 篇 经济学
  • 2,266 篇 法学
  • 1,780 篇 文学
  • 1,031 篇 艺术学
  • 622 篇 历史学
  • 407 篇 军事学
  • 327 篇 哲学

主题

  • 1,292 篇 影响因素
  • 1,065 篇 大鼠
  • 974 篇 儿童
  • 945 篇 预后
  • 910 篇 危险因素
  • 846 篇 产量
  • 713 篇 数值模拟
  • 620 篇 细胞凋亡
  • 590 篇 糖尿病
  • 566 篇 力学性能
  • 536 篇 合成
  • 513 篇 小鼠
  • 498 篇 凋亡
  • 487 篇 诊断
  • 485 篇 磁共振成像
  • 478 篇 老年人
  • 456 篇 2型糖尿病
  • 427 篇 玉米
  • 418 篇 治疗
  • 410 篇 应用

机构

  • 1,585 篇 吉林大学
  • 1,189 篇 上海交通大学
  • 1,169 篇 北京中医药大学
  • 1,127 篇 北京大学
  • 944 篇 中国科学院大学
  • 940 篇 四川大学
  • 938 篇 浙江大学
  • 871 篇 解放军总医院
  • 853 篇 山东大学
  • 776 篇 哈尔滨工业大学
  • 717 篇 天津大学
  • 701 篇 清华大学
  • 651 篇 中山大学
  • 609 篇 华中科技大学
  • 599 篇 复旦大学
  • 598 篇 中国地质大学
  • 555 篇 大连理工大学
  • 547 篇 中国农业大学
  • 537 篇 西安交通大学
  • 533 篇 东北大学

作者

  • 865 篇 张艳
  • 839 篇 王燕
  • 807 篇 李艳
  • 802 篇 王艳
  • 732 篇 张燕
  • 726 篇 李岩
  • 710 篇 刘艳
  • 697 篇 王宇
  • 650 篇 李燕
  • 617 篇 张宇
  • 610 篇 张岩
  • 595 篇 王岩
  • 505 篇 刘燕
  • 500 篇 刘宇
  • 470 篇 刘岩
  • 466 篇 于洋
  • 376 篇 于艳
  • 367 篇 陈艳
  • 364 篇 张瑜
  • 352 篇 陈燕

语言

  • 180,866 篇 中文
  • 10,112 篇 英文
  • 2 篇 日文
检索条件"作者=Yu yan.Dayue Du"
190980 条 记 录,以下是151-160 订阅
排序:
The MtRGF6 Peptide Differentially Regulates Root Development and Symbiotic Nodulation of Medicago truncatula and Lotus japonicus
收藏 引用
Phyton-International Journal of Experimental Botany 2024年 第6期93卷 1237-1248页
作者: Junhui yan Yawen Wang Qiong Li yu Zhou Xu Wang Li Luo School of Life Sciences Shanghai Key Laboratory of Bio-Energy CropsShanghai UniversityShanghai200444China College of Life Science State Key Laboratory of Tea Plant Biology and UtilizationAnhui Agricultural UniversityHefei230036China
Rhizobia induces nitrogen-fixing nodules in legumes used in agricultural production,providing a direct source of combined nitrogen to leguminous *** peptides,such as CLAVATA3/EMBRYO SURROUNDING REGION peptides(CLE),are... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Evaluating the efficacy of immunotherapy in gastric cancer:Insights from immune checkpoint inhibitors
收藏 引用
World Journal of Gastroenterology 2024年 第32期30卷 3726-3729页
作者: yu-Nuo yang Li-Sheng Wang yan-Qi Dang Guang Ji Institute of Digestive Diseases Longhua HospitalChina-Canada Center of Research for Digestive DiseasesShanghai University of Traditional Chinese MedicineShanghai 200032China Department of Biochemistry University of OttawaOttawa K1H 8M5ONCanada
The emergence of immunotherapy,particularly immune checkpoint inhibitors(ICIs),represents a groundbreaking approach to treating gastric cancer(GC).However,the prognosis of GC patients receiving ICI treatment is influe... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Visible-light photoredox-catalyzed carboxylation of aryl epoxides with CO_(2)
收藏 引用
Chinese Chemical Letters 2024年 第7期35卷 281-284页
作者: Tian-yu Gao Xiao-yan Mo Shu-Rong Zhang yuan-Xu Jiang Shu-Ping Luo Jian-Heng Ye Da-Gang yu Key Laboratory of Green Chemistry&Technology of Ministry of Education College of ChemistrySichuan UniversityChengdu 610064China State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology Zhejiang University of TechnologyHangzhou 310014China State Key Laboratory of Elemento-Organic Chemistry Nankai UniversityTianjin 300071China
Herein, we report the first visible-light photoredox-catalyzed carboxylation of aryl epoxides with CO_(2)to synthesize hydroxy acid derivatives. A variety of valuable β-, γ-, δ-, ε–hydroxy acid derivatives are ob... 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
Influence of transcatheter arterial embolization on symptom distress and fatigue in liver cancer patients
收藏 引用
World Journal of Gastrointestinal Oncology 2024年 第3期16卷 810-818页
作者: Xu-Min yang Xu-yan yang Xin-yu Wang yue-Xia Gu Department of Nursing The First Affiliated Hospital of Naval Medical University(Changhai Hospital)Shanghai 200433China Department of Thyroid Breast and Vascular SurgeryShanghai Fourth People’s Hospital Affiliated to Tongji University School of MedicineShanghai 200434China Department of Nursing Shanghai Fourth People’s Hospital Affiliated to Tongji University School of MedicineShanghai 200434China
BACKGROUND Hepatocellular carcinoma(HCC)is a prevalent malignancy,and transcatheter arterial embolization(TAE)has emerged as a pivotal therapeutic ***-ever,TAE may induce symptom distress and fatigue,adversely affecti... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
High-Order DG Schemes with Subcell Limiting Strategies for Simulations of Shocks,Vortices and Sound Waves in Materials Science Problems
收藏 引用
Fluid Dynamics & Materials Processing 2024年 第10期20卷 2183-2204页
作者: Zhenhua Jiang Xi Deng Xin Zhang Chao yan Feng Xiao Jian yu College of Aeronautics Science and Engineering Beijing University of Aeronautics and AstronauticsBeijing100191China Department of Chemical Engineering Imperial College LondonLondonSW72AZUK Department of Engineering University of CambridgeCambridgeCB21PZUK Department of Mechanical Engineering Tokyo Institute of TechnologyTokyo152-8550Japan
Shock waves,characterized by abrupt changes in pressure,temperature,and density,play a significant role in various materials science processes involving *** high-energy phenomena are utilized across multiple fields an... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Nanocavity enriched CuPd alloy with high selectivity for CO_(2) electroreduction toward C_(2)H_(4)
收藏 引用
Rare Metals 2024年 第4期43卷 1513-1523页
作者: Ze-yu Zhang Hai-Bin Wang Fei-Fei Zhang Jing-Wei Li Xin-Zhuo Hu Si-Wei yan Yi-Ming Bai Xun Zhang Gu-Rong Shen Peng-Fei Yin Jing yang Cun-Ku Dong Jing Mao Hui Liu Xi-Wen du Institute of New-Energy Materials School of Materials Science and EngineeringTianjin UniversityTianjin300350China
Electrocatalysis of CO_(2)reduction reaction is an effective way to convert CO_(2)into high value-added products,but the selectivity of Cu-based catalysts for C2+products needs to be improved due to the high energy ba... 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
Correlation between pre-anesthesia anxiety and emergence agitation in non-small cell lung cancer surgery patients
收藏 引用
World Journal of Psychiatry 2024年 第6期14卷 930-937页
作者: Fen yan Li-Hua yuan Xiao He Kai-Feng yu Department of Anesthesiology Wuhan Pulmonary HospitalWuhan Institute for Tuberculosis ControlWuhan 430000Hubei ProvinceChina
BACKGROUND Preoperative anxiety is a common emotional problem during the perioperative period and may adversely affect postoperative *** agitation(EA)is a common complication of general anesthesia that may increase pa... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Normal sperm head morphometric reference values in fertile Asian males
收藏 引用
Asian Journal of Andrology 2024年 第3期26卷 315-320页
作者: Ye-Lin Jia Ying-Bi Wu Lin yu yan Zheng Ting-Ting yang yan-yun Wang Bin Zhou Lin Zhang Fu-Ping Li Laboratory of Andrology West China Second University Hospital Human Sperm BankChengdu 610000China Laboratory of Molecular Translational Medicine Center for Translational MedicineChengdu 610061China Key Laboratory of Birth Defects and Related Diseases of Women and Children(Sichuan University) Ministry of EducationChengdu 610061China NHC Key Laboratory of Chronobiology West China Second University HospitalSichuan UniversityChengdu 610000China
Sperm head morphology is crucial for male factor infertility diagnosis and assessment of male reproductive *** are available to analyze sperm head morphology,but they are limited by poor methodology comparability and ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Boosted Electrocatalytic Glucose Oxidation Reaction on Noble-Metal-Free MoO_(3)-Decorated Carbon Nanotubes
收藏 引用
Transactions of Tianjin University 2024年 第1期30卷 63-73页
作者: yu-Long Men Ning Dou Yiyi Zhao yan Huang Lei Zhang Peng Liu Department of Chemical Engineering School of Chemistry and Chemical EngineeringShanghai Jiao Tong UniversityShanghai 200240China Department of Thyroid Breast and Vascular Surgery Shanghai Fourth People’s Hospital Affi liated to Tongji University School of MedicineShanghai 200081China Department of Vascular Surgery Changhai HospitalNaval Medical UniversityShanghai 200433China
Electrocatalytic glucose oxidation reaction(GOR)has attracted much attention owing to its crucial role in biofuel cell ***,we load MoO_(3)nanoparticles on carbon nanotubes(CNTs)and use a discharge process to prepare 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
Success of susceptibility-guided eradication of Helicobacter pylori in a region with high secondary clarithromycin and levofloxacin resistance rates
收藏 引用
World Journal of Gastroenterology 2024年 第2期30卷 184-195页
作者: yan-Meng Wang Mo-Ye Chen Jing Chen Xin-He Zhang yan Feng yu-Xi Han Yi-Ling Li Department of Gastroenterology The First Affiliated Hospital of China Medical UniversityShenyang 110000Liaoning ProvinceChina Key Laboratory of Cancer Etiology and Prevention in Liaoning Education Department The First Hospital of China Medical UniversityShenyang 110000Liaoning ProvinceChina
BACKGROUND Resistance to clarithromycin(CLA)and levofloxacin(LFX)of Helicobacter pylori(***)is increasing in severity,and successful eradication is ***,the eradication success rate has greatly declined,leaving a large... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论