咨询与建议

限定检索结果

文献类型

  • 2,776,310 篇 期刊文献
  • 23,273 篇 会议
  • 124 篇 学位论文
  • 29 册 图书
  • 8 篇 报纸

馆藏范围

  • 2,799,729 篇 电子文献
  • 15 种 纸本馆藏

日期分布

学科分类号

  • 1,309,173 篇 工学
    • 174,631 篇 材料科学与工程(可...
    • 135,778 篇 化学工程与技术
    • 131,712 篇 机械工程
    • 105,454 篇 计算机科学与技术...
    • 82,614 篇 电气工程
    • 82,595 篇 软件工程
    • 79,010 篇 土木工程
    • 69,678 篇 仪器科学与技术
    • 63,694 篇 动力工程及工程热...
    • 61,891 篇 交通运输工程
    • 60,299 篇 控制科学与工程
    • 57,933 篇 电子科学与技术(可...
    • 57,155 篇 环境科学与工程(可...
    • 54,145 篇 水利工程
    • 50,054 篇 建筑学
  • 789,154 篇 医学
    • 451,647 篇 临床医学
    • 109,278 篇 中西医结合
    • 74,449 篇 公共卫生与预防医...
    • 72,203 篇 药学(可授医学、理...
    • 57,883 篇 中药学(可授医学、...
    • 55,049 篇 医学技术(可授医学...
    • 51,839 篇 基础医学(可授医学...
  • 326,001 篇 理学
    • 73,924 篇 化学
    • 60,281 篇 生物学
  • 256,847 篇 农学
    • 64,709 篇 作物学
    • 55,544 篇 农业资源与环境
  • 224,441 篇 管理学
    • 92,218 篇 管理科学与工程(可...
    • 71,012 篇 公共管理
  • 142,920 篇 教育学
    • 111,259 篇 教育学
  • 94,908 篇 经济学
    • 82,836 篇 应用经济学
  • 70,404 篇 法学
  • 45,098 篇 文学
  • 23,770 篇 艺术学
  • 17,729 篇 历史学
  • 11,781 篇 哲学
  • 9,542 篇 军事学

主题

  • 18,510 篇 数值模拟
  • 17,328 篇 影响因素
  • 13,032 篇 预后
  • 12,410 篇 儿童
  • 12,372 篇 应用
  • 10,536 篇 力学性能
  • 9,834 篇 诊断
  • 9,482 篇 危险因素
  • 9,275 篇 大鼠
  • 9,178 篇 治疗
  • 8,756 篇 产量
  • 8,716 篇 对策
  • 8,615 篇 教学改革
  • 7,848 篇 糖尿病
  • 7,641 篇 磁共振成像
  • 7,524 篇 中国
  • 7,303 篇 稳定性
  • 7,242 篇 综述
  • 7,179 篇 合成
  • 7,018 篇 疗效

机构

  • 17,581 篇 清华大学
  • 17,451 篇 中南大学
  • 16,194 篇 中国科学院大学
  • 15,814 篇 吉林大学
  • 15,430 篇 四川大学
  • 14,943 篇 武汉大学
  • 14,239 篇 北京大学
  • 13,879 篇 天津大学
  • 13,761 篇 上海交通大学
  • 13,467 篇 中国石油大学
  • 13,105 篇 华中科技大学
  • 12,894 篇 中国地质大学
  • 12,741 篇 浙江大学
  • 12,600 篇 中国矿业大学
  • 12,466 篇 同济大学
  • 12,114 篇 华南理工大学
  • 12,079 篇 山东大学
  • 12,043 篇 哈尔滨工业大学
  • 11,837 篇 西安交通大学
  • 11,106 篇 重庆大学

作者

  • 19,914 篇 刘伟
  • 18,924 篇 刘洋
  • 13,149 篇 刘涛
  • 12,404 篇 刘勇
  • 12,088 篇 刘杰
  • 12,077 篇 刘芳
  • 11,999 篇 刘军
  • 11,810 篇 刘静
  • 11,117 篇 刘斌
  • 11,026 篇 刘敏
  • 10,283 篇 刘鹏
  • 10,276 篇 刘强
  • 10,266 篇 刘超
  • 10,125 篇 刘刚
  • 9,594 篇 刘颖
  • 9,471 篇 刘畅
  • 9,418 篇 刘波
  • 8,991 篇 刘辉
  • 8,896 篇 刘磊
  • 8,867 篇 刘佳

语言

  • 2,659,336 篇 中文
  • 140,360 篇 英文
  • 43 篇 日文
  • 3 篇 法文
检索条件"作者=Liu fa-jing"
2799744 条 记 录,以下是71-80 订阅
排序:
Tuning the crystalline and electronic structure of ZrO_(2)via oxygen vacancies and nano-structuring for polysulfides conversion in lithium-sulfur batteries
收藏 引用
Journal of Energy Chemistry 2024年 第1期88卷 82-93,I0003页
作者: Shengnan Fu Chaowei Hu jing Li Hongtao Cui Yuanyuan liu Kaihua liu Yanzhao Yang Meiri Wang Shandong Key Laboratory for Chemical Engineering and Processing School of Chemistry&Chemical EngineeringYantai UniversityYantai 264000ShandongChina Key Laboratory for Special Functional Aggregate Materials of Education Ministry School of Chemistry and Chemical EngineeringShandong UniversityJinan 250100ShandongChina
The recent emergence of tetragonal phases zirconium dioxide(ZrO_(2))with vacancies has generated significant interest as a highly efficient and stable electrocatalyst with potential applications in trapping polysulfid... 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
Clinical observation of gastrointestinal function recovery in patients after hepatobiliary surgery
收藏 引用
World Journal of Gastrointestinal Surgery 2024年 第1期16卷 76-84页
作者: Hua-Jun Zeng jing-jing liu Ying-Chun Yang Department of General Practice Nanyang First People's HospitalNanyang 473000Henan ProvinceChina Department of Anesthesiology Chinese People’s Armed Police Force Hospital of BeijingBeijing 100027China Department of Anesthesiology Beijing Fengtai HospitalBeijing 100071China
BACKGROUND The liver is an important metabolic and digestive organ in the human body,ca-pable of producing bile,clotting factors,and *** To investigate the recovery of gastrointestinal function in patients after hepat... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Interface Design Strategy for GNS/AZ91 Composites with Semi-Coherent Structure
收藏 引用
Acta Metallurgica Sinica(English Letters) 2024年 第3期37卷 467-483页
作者: jing-Peng Xiong Yi-Qi Zeng Jin-Long liu Wei-Cheng Wang Lan Luo Yong liu Key Laboratory of Lightweight and High Strength Structural Materials of Jiangxi Province School of Advanced ManufacturingNanchang UniversityNanchang 330031China School of Physics and Materials Science Nanchang UniversityNanchang 330031China
The interfacial structure plays an important role in the mechanical properties of magnesium matrix composite(MMCs)reinforced with graphene nanosheet(GNS)due to their poor wettability with the Mg *** interface design s... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Slowly rotating charges from Weyl double copy for Kerr black hole with Chern-Simons correction
收藏 引用
Communications in Theoretical Physics 2024年 第8期76卷 139-146页
作者: Yi-Ran liu jing-Rui Zhang Yun-Long Zhang School of Fundamental Physics and Mathematical Sciences Hangzhou Institute for Advanced StudyUCASHangzhou 310024China CAS Key Laboratory of Theoretical Physics Institute of Theoretical PhysicsChinese Academy of SciencesBeijing 100190China University of Chinese Academy of Sciences Beijing 100149China National Astronomy Observatories Chinese Academy of ScienceBeijing 100101China International Center for Theoretical Physics Asia-Pacific Beijing/HangzhouChina
The Weyl double copy builds the relation between gauge theory and gravity theory, in particular the correspondence between gauge solutions and gravity solutions. In this paper, we obtain the slowly rotating charge sol... 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
Selective photosynthesis of Z-olefins through crystalline metal-organic cage-initiated expeditious cascade reactions
收藏 引用
Carbon Energy 2024年 第3期6卷 118-131页
作者: Jia-Ni Lu Yunze Huang Yuan-Sheng Xia Long-Zhang Dong Lei Zhang jing-jing liu Lan-Gui Xie Jiang liu Ya-Qian Lan Jiangsu Key Laboratory of New Power Batteries School of Chemistry and Materials ScienceJiangsu Collaborative Innovation Centre of Biomedical Functional MaterialsNanjing Normal UniversityNanjingChina School of Chemistry South China Normal UniversityGuangzhouChina
The semi-hydrogenation of alkyne to form Z-olefins with high conversion and high selectivity is still a huge challenge in the chemical ***,flammable and explosive hydrogen as the common hydrogen source of this reactio... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Predicting submerged vegetation drag with a machine learning-based method
收藏 引用
Journal of Hydrodynamics 2024年 第3期36卷 534-545页
作者: Meng-yang liu Hong-wu Tang Sai-yu Yuan jing Yan College of Water Conservancy and Hydropower Engineering Hohai UniversityNanjing210098China Key Laboratory of Hydrologic-Cycle and Hydrodynamic-System of Ministry of Water Resources Hohai UniversityNanjing210098China
Accurate estimation of the drag forces generated by vegetation stems is crucial for the comprehensive assessment of the impact of aquatic vegetation on hydrodynamic processes in aquatic *** coupling relationship betwe... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Spatiotemporal variations in ecosystem services and their trade-offs and synergies against the background of the gully control and land consolidation project on the Loess Plateau,China
收藏 引用
Journal of Arid Land 2024年 第1期16卷 131-145页
作者: WANG jing WEI Yulu PENG Biao liu Siqi LI Jianfeng Key Laboratory of Degraded and Unused Land Consolidation Engineering Ministry of Natural and ResourcesXi'an 710075China Institute of Land Engineering and Technology Shaanxi Provincial Land Engineering Construction Group Co.Ltd.Xi'an 710021China School of Human Settlements and Civil Engineering Xi'an Jiaotong UniversityXi'an 710049China Shaanxi Key Laboratory of Land Consolidation Xi'an 710064China
Studying the spatiotemporal variations in ecosystem services and their interrelationships on the Loess Plateau against the background of the gully control and land consolidation(GCLC)project has significant implicatio... 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
Cardiac resident macrophages: Spatiotemporal distribution, development, physiological functions, and their translational potential on cardiac diseases
收藏 引用
Acta Pharmaceutica Sinica B 2024年 第4期14卷 1483-1493页
作者: jing Jin Yurou Wang Yueqin liu Subrata Chakrabarti Zhaoliang Su International Genome Center Jiangsu UniversityZhenjiang 212013China Institute for Medical Immunology Jiangsu UniversityZhenjiang 212013China Center Laboratory the Fourth People's Hospital of ZhenjiangZhenjiang 212008China Department of Pathology and Laboratory Medicine Western UniversityLondonOntario N6A 5C1Canada
Cardiac resident macrophages (CRMs) are the main population of cardiac immune cells. The role of these cells in regeneration, functional remodeling, and repair after cardiac injury is always the focus of research. How... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
A Cauchy integral formula for(p,q)-monogenic functions withα-weight
收藏 引用
Applied Mathematics(A Journal of Chinese Universities) 2024年 第3期39卷 545-553页
作者: GAO Long DU Xiao-jing liu Yue XIE Yong-hong School of Mathematical Sciences Hebei Normal UniversityShijiazhuang 050024China
Firstly,some properties for(p,q)-monogenic functions withα-weight in Clifford analysis are ***,the Cauchy-Pompeiu formula is ***,the Cauchy integral formula and the Cauchy integral theorem for(p,q)-monogenic function... 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
2D DOA Estimation of Coherent Signals with a Separated Linear Acoustic Vector-Sensor Array
收藏 引用
China Communications 2024年 第2期21卷 155-165页
作者: Sheng liu jing Zhao Decheng Wu Yiwang Huang Kaiwu Luo School of Data Science Tongren UniversityTongren 554300China School of Automation Chongqing University of Posts and TelecommunicationsChongqing 400065China
In this paper, a two-dimensional(2D) DOA estimation algorithm of coherent signals with a separated linear acoustic vector-sensor(AVS) array consisting of two sparse AVS arrays is proposed. Firstly,the partitioned spat... 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