咨询与建议

限定检索结果

文献类型

  • 604,137 篇 期刊文献
  • 4,180 篇 会议
  • 1 册 图书
  • 1 篇 学位论文
  • 1 篇 报纸

馆藏范围

  • 608,319 篇 电子文献
  • 1 种 纸本馆藏

日期分布

学科分类号

  • 271,923 篇 工学
    • 37,852 篇 材料科学与工程(可...
    • 33,861 篇 化学工程与技术
    • 24,856 篇 机械工程
    • 20,863 篇 计算机科学与技术...
    • 16,293 篇 软件工程
    • 15,840 篇 电气工程
    • 14,039 篇 仪器科学与技术
    • 12,859 篇 土木工程
    • 12,549 篇 动力工程及工程热...
    • 12,451 篇 电子科学与技术(可...
    • 12,187 篇 食品科学与工程(可...
    • 12,131 篇 环境科学与工程(可...
    • 11,505 篇 控制科学与工程
    • 11,342 篇 生物医学工程(可授...
    • 11,138 篇 水利工程
  • 207,308 篇 医学
    • 117,759 篇 临床医学
    • 30,679 篇 中西医结合
    • 21,777 篇 公共卫生与预防医...
    • 21,223 篇 药学(可授医学、理...
    • 18,357 篇 中药学(可授医学、...
    • 16,728 篇 基础医学(可授医学...
    • 13,841 篇 医学技术(可授医学...
  • 79,595 篇 理学
    • 19,831 篇 化学
    • 18,115 篇 生物学
  • 73,462 篇 农学
    • 21,248 篇 作物学
    • 13,506 篇 农业资源与环境
  • 35,382 篇 管理学
    • 15,192 篇 管理科学与工程(可...
    • 11,951 篇 公共管理
  • 21,179 篇 教育学
    • 16,292 篇 教育学
  • 12,368 篇 经济学
    • 10,930 篇 应用经济学
  • 7,163 篇 法学
  • 5,245 篇 文学
  • 2,973 篇 艺术学
  • 2,280 篇 历史学
  • 1,775 篇 军事学
  • 1,227 篇 哲学

主题

  • 3,919 篇 数值模拟
  • 3,733 篇 影响因素
  • 3,328 篇 预后
  • 3,270 篇 儿童
  • 2,966 篇 产量
  • 2,801 篇 大鼠
  • 2,500 篇 危险因素
  • 2,391 篇 诊断
  • 2,301 篇 应用
  • 2,121 篇 力学性能
  • 2,081 篇 治疗
  • 2,003 篇 磁共振成像
  • 1,976 篇 细胞凋亡
  • 1,659 篇 合成
  • 1,616 篇 凋亡
  • 1,576 篇 糖尿病
  • 1,447 篇 疗效
  • 1,368 篇 稳定性
  • 1,191 篇 高效液相色谱法
  • 1,186 篇 高血压

机构

  • 4,214 篇 四川大学
  • 3,693 篇 吉林大学
  • 3,646 篇 上海交通大学
  • 3,259 篇 中国科学院大学
  • 3,237 篇 中南大学
  • 3,220 篇 浙江大学
  • 3,175 篇 清华大学
  • 3,154 篇 西北农林科技大学
  • 3,092 篇 北京大学
  • 2,887 篇 西安交通大学
  • 2,856 篇 西北工业大学
  • 2,855 篇 华中科技大学
  • 2,625 篇 中国地质大学
  • 2,553 篇 哈尔滨工业大学
  • 2,534 篇 同济大学
  • 2,505 篇 天津大学
  • 2,500 篇 华南理工大学
  • 2,391 篇 中山大学
  • 2,347 篇 北京中医药大学
  • 2,339 篇 中国石油大学

作者

  • 17,071 篇 李军
  • 8,856 篇 李俊
  • 6,686 篇 李佳
  • 4,274 篇 王军
  • 3,778 篇 张军
  • 3,597 篇 刘军
  • 2,935 篇 刘佳
  • 2,822 篇 李君
  • 2,573 篇 杨军
  • 2,321 篇 李建军
  • 2,291 篇 李伟
  • 2,223 篇 王俊
  • 1,892 篇 李强
  • 1,846 篇 陈军
  • 1,698 篇 刘俊
  • 1,521 篇 张俊
  • 1,485 篇 李娜
  • 1,476 篇 李嘉
  • 1,433 篇 李刚
  • 1,423 篇 李静

语言

  • 579,065 篇 中文
  • 29,233 篇 英文
  • 16 篇 日文
  • 5 篇 其他
检索条件"作者=Jun-jia Li"
608320 条 记 录,以下是1-10 订阅
排序:
Photoacoustic and Fluorescence Spectroscopy of Metallomesogens Containing Lanthanide Ions
收藏 引用
Chinese Journal of Chemical Physics 2008年 第2期21卷 99-104页
作者: Yue-tao Yang jun-jia li Xiao-jun liu Shu-yi Zhang Jing liu Key Laboratory of Modern Acoustics Ministry of Education Institute of Acoustics Nanjing University Nanjing 210093 China Beijing Synchrotron Radiation Facility Institute of High Energy Physics Chinese Academy of Sciences Beijing 100049 China
Metallomesogens Ln(bta)3L2 (Ln^3+: La^3+, Eu^3+, and Ho^3+; bta: benzoyltrifluoroacetonate; L: Schiff base) were prepared. Photoacoustic (PA) spectroscopy was used to study physicochemical properties of t... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Artificial intelligence in individualized retinal disease management
收藏 引用
International Journal of Ophthalmology(English edition) 2024年 第8期17卷 1519-1530页
作者: Zi-Ran Zhang jia-jun li Ke-Ran li The Affiliated Eye Hospital of Nanjing Medical University Nanjing 210029Jiangsu ProvinceChina Nanjing Medical University Nanjing 210029Jiangsu ProvinceChina
Owing to the rapid development of modern computer technologies,artificial intelligence(AI)has emerged as an essential instrument for intelligent analysis across a range of *** has been proven to be highly effective in... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
EUTECTIC GROWTH OF CAST IRON UNDER RAPID SOliDIFICATION
收藏 引用
Acta Metallurgica Sinica(English Letters) 1992年 第3期5卷 199-202页
作者: GUO Jingjie jia jun li Qingchun li Bangsheng Harbin Institute of Technology,Harbin,China Harbin Inst of Technology Harbin China
The eutectic growth of cast iron during rapid solidification has been studied with laser remelt- ing and deep etching technology.A new mode of mushroom eutectic growth was observed oth- er than the usual honeycomb 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
Fast charge transfer kinetics in Sv-ZnIn_(2)S_(4)/Sb_(2)S_(3)S-scheme heterojunction photocatalyst for enhanced photocatalytic hydrogen evolution
收藏 引用
Rare Metals 2024年 第2期43卷 533-542页
作者: Wei li jia-jun li Zhi-Fei liu Hong-Yu Ma Peng-Fei Fang Rui Xiong jian-Hong Wei Key Laboratory of Artificial Micro-and Nano-Structures of Ministry of Education School of Physics and TechnologyWuhan UniversityWuhan430072China
Constructing a S-scheme heterojunction with tight interface contact and fast charge transfer is beneficial to improving the photocatalytic hydrogen evolution ***,a unique one-dimensional(1D)/two-dimensional(2D)S-schem... 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
LncRNA-mediated posttranslational modifications and reprogramming of energy metabolism in cancer
收藏 引用
Cancer Communications 2021年 第2期41卷 109-120页
作者: Yue-Tao Tan Jin-Fei lin Ting li jia-jun li Rui-Hua Xu Huai-Qiang Ju Department of Medical Oncology Sun Yat-sen University Cancer CenterState Key Laboratory of Oncology in South ChinaCollaborative Innovation Center for Cancer MedicineGuangzhouGuangdong 510060P.R.China Research Unit of Precision Diagnosis and Treatment for Gastrointestinal Cancer Chinese Academy of Medical SciencesGuangzhouGuangdong 510060P.R.China
Altered metabolism is a hallmark of cancer,and the reprogramming of energy metabolism has historically been considered a general phenomenon of *** is well recognized that long noncoding RNAs(lncRNAs)regulate energy me... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Synthesis and biological evaluation of dihydrotriazine derivatives as potential antibacterial agents
收藏 引用
Chinese Chemical Letters 2017年 第8期28卷 1737-1742页
作者: Tian-Yi Zhang Chao li Yu-Shun Tian jia-jun li liang-Peng Sun Chang-Ji Zheng Hu-Ri Piao Key Laboratory of Natural Resources of Changbai Mountain&Functional Molecules Ministry of EducationYanbian University College of PharmacyYanji133000China Department of Pharmacy Jilin Medical UniversityJilin 132013China
A series of 1,4-dihydro-1,3,5-triazine derivatives were designed and synthesized and their antibacterial and antifungal activities were evaluated. Most of the synthesized compounds showed potent inhibition of several ... 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
Fabrication of Carbon Nanotube-Reinforced 6061Al Alloy Matrix Composites by an In Situ Synthesis Method Combined with Hot Extrusion Technique
收藏 引用
Acta Metallurgica Sinica(English Letters) 2016年 第2期29卷 188-198页
作者: Chun-Nian He Chao Feng Ji-Chuan lin En-Zuo liu Chun-Sheng Shi jia-jun li Nai-Qin Zhao School of Materials Science and Engineering Tianjin KeyLaboratory of Composite and Functional MaterialsTianjin University Tianjin 300072 China Collaborative Innovation Center of Chemical Science and Engineering Tianjin 300072 China Chengdu SIWI High-Tech Industry Co. Ltd Chengdu 611731 China
Carbon nanotube (CNT)-reinforced 6061Al alloy matrix composites were prepared by chemical vapor depo- sition (CVD) combined with hot extrusion technique. During the preparation process, the 6061Al flakes obtained ... 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
Syn3, a newly developed cyclic peptide and BDNF signaling enhancer, ameliorates retinal ganglion cell degeneration in diabetic retinopathy
收藏 引用
Protein & Cell 2024年 第11期15卷 858-865页
作者: Ke-ran li Meng-jia Huan Jin Yao jia-jun li Yuan Cao Suyu Wang Mandar T.Naik Yuan Fang John Marshall Chang-gong Lan Cong Cao The Affiliated Eye Hospital Nanjing Medical University Department of Ophthalmology The Second Affiliated Hospital of Nanjing Medical University Department of Molecular Pharmacology Physiology and Biotechnology Brown University Department of Ophthalmology & Vision Science Eye and ENT Hospital Shanghai Medical College Fudan University Department of Joint Surgery and Geriatric Orthopedics Affiliated Hospital of You Jiang Medical University for Nationalities Guangxi Key Laboratory of Basic and Translational Research of Bone and Joint Degenerative Diseases Guangxi Biomedical Materials Engineering Research Center for Bone and Joint Degenerative Diseases Clinical Research Center of Neurological Disease The Second Affiliated Hospital of Soochow University Institution of Neuroscience Soochow University
Dear Editor,Diabetic retinopathy (DR) remains a leading cause of irreversible blindness in adults worldwide (Sabanayagam et al., 2019). Increasing evidence suggests that visual deficits are closely associated with neu...
来源: 同方期刊数据库 同方期刊数据库 评论
I_(2)-Mediated[3+2]annulation of methyl-azaarenes with alkyl_(2)-isocyanoacetates or amino acid ester hydrochlorides:selective synthesis of iodine-func-tionalized and non-iodine-functionalized fused imidazoles
收藏 引用
Organic Chemistry Frontiers 2022年 第5期9卷 1403-1409页
作者: Yong-Ji Hu Yu Zhou Jing-Jing Gao Han Zhang Kai-Rui Yang jia-jun li Xiao-Xin Yan Yuan-lin li Yan-Ping Zhu School of Pharmacy Key Laboratory of Molecular Pharmacology and Drug EvaluationMinistry of EducationCollaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of ShandongYantai UniversityShandongYantai264005P.R.China
An I_(2)-mediated[3+2]annulation of methyl-azaarenes with alkyl_(2)-isocyanoacetates or amino acid ester hydrochlorides has been *** strategy involves CuN bond cleavage of isocyanides and can selectively synthesize io... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
GShuttle:Optimizing Memory Access Efficiency for Graph Convolu-tional Neural Network Accelerators
收藏 引用
Journal of Computer Science & Technology 2023年 第1期38卷 115-127页
作者: 李家军 王可 郑皓 Ahmed Louri School of Astronautics Beihang UniversityBeijing 100191China Department of Electrical and Computer Engineering University of North Carolina at CharlotteCharlotteNC 28223 U.S.A. Department of Electrical and Computer Engineering University of Central FloridaOrlandoFL 32816U.S.A. Department of Electrical and Computer Engineering George Washington UniversityWashingtonDC 20052U.S.A.
Graph convolutional neural networks(GCNs)have emerged as an effective approach to extending deep learning for graph data analytics,but they are computationally challenging given the irregular graphs and the large num-... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论