咨询与建议

限定检索结果

文献类型

  • 4,486,682 篇 期刊文献
  • 33,804 篇 会议
  • 160 篇 学位论文
  • 70 册 图书
  • 7 篇 报纸

馆藏范围

  • 4,520,700 篇 电子文献
  • 24 种 纸本馆藏

日期分布

学科分类号

  • 2,091,658 篇 工学
    • 347,197 篇 材料科学与工程(可...
    • 279,340 篇 机械工程
    • 255,976 篇 化学工程与技术
    • 228,864 篇 计算机科学与技术...
    • 200,782 篇 电气工程
    • 151,011 篇 电子科学与技术(可...
    • 142,993 篇 土木工程
    • 139,841 篇 软件工程
    • 139,242 篇 动力工程及工程热...
    • 129,850 篇 控制科学与工程
    • 123,605 篇 环境科学与工程(可...
    • 123,101 篇 仪器科学与技术
    • 110,528 篇 水利工程
    • 104,547 篇 建筑学
    • 100,639 篇 地质资源与地质工...
    • 98,611 篇 信息与通信工程
  • 1,366,972 篇 医学
    • 818,414 篇 临床医学
    • 182,003 篇 中西医结合
    • 154,498 篇 公共卫生与预防医...
    • 150,994 篇 药学(可授医学、理...
    • 118,392 篇 基础医学(可授医学...
    • 103,934 篇 医学技术(可授医学...
  • 795,388 篇 理学
    • 261,012 篇 化学
    • 190,805 篇 生物学
    • 170,045 篇 物理学
  • 434,808 篇 农学
    • 125,249 篇 作物学
  • 378,424 篇 管理学
    • 151,362 篇 管理科学与工程(可...
    • 118,303 篇 公共管理
  • 252,027 篇 教育学
    • 191,013 篇 教育学
  • 154,580 篇 经济学
    • 134,910 篇 应用经济学
  • 122,678 篇 法学
  • 82,822 篇 文学
  • 40,892 篇 艺术学
  • 30,574 篇 历史学
  • 20,852 篇 哲学
  • 15,137 篇 军事学

主题

  • 28,636 篇 影响因素
  • 27,455 篇 数值模拟
  • 21,113 篇 应用
  • 20,968 篇 儿童
  • 20,825 篇 预后
  • 16,850 篇 诊断
  • 15,765 篇 治疗
  • 15,747 篇 对策
  • 15,719 篇 大鼠
  • 15,547 篇 危险因素
  • 15,546 篇 力学性能
  • 14,745 篇 产量
  • 14,510 篇 教学改革
  • 13,423 篇 糖尿病
  • 13,110 篇 护理
  • 12,338 篇 疗效
  • 12,329 篇 中国
  • 12,135 篇 磁共振成像
  • 12,039 篇 综述
  • 11,990 篇 大学生

机构

  • 26,426 篇 四川大学
  • 26,090 篇 清华大学
  • 23,798 篇 中国科学院大学
  • 23,562 篇 上海交通大学
  • 23,280 篇 中南大学
  • 23,222 篇 吉林大学
  • 22,295 篇 武汉大学
  • 21,899 篇 浙江大学
  • 21,515 篇 北京大学
  • 21,016 篇 同济大学
  • 20,785 篇 天津大学
  • 19,517 篇 西安交通大学
  • 19,425 篇 华中科技大学
  • 19,250 篇 中国石油大学
  • 19,125 篇 中国矿业大学
  • 19,010 篇 中国地质大学
  • 18,459 篇 哈尔滨工业大学
  • 18,208 篇 华南理工大学
  • 17,857 篇 山东大学
  • 17,529 篇 西北工业大学

作者

  • 22,819 篇 李伟
  • 19,084 篇 李强
  • 18,371 篇 李静
  • 17,082 篇 李军
  • 16,673 篇 李娜
  • 15,387 篇 李敏
  • 14,885 篇 李明
  • 14,276 篇 李勇
  • 13,933 篇 李涛
  • 13,886 篇 李鹏
  • 13,302 篇 李斌
  • 13,144 篇 李刚
  • 13,039 篇 李莉
  • 13,015 篇 李杰
  • 12,811 篇 李娟
  • 12,553 篇 李宁
  • 12,368 篇 张丽
  • 11,506 篇 王丽
  • 11,475 篇 李辉
  • 11,320 篇 李超

语言

  • 4,298,106 篇 中文
  • 222,507 篇 英文
  • 103 篇 日文
  • 6 篇 法文
  • 1 篇 其他
检索条件"作者=fengdi Li"
4520723 条 记 录,以下是4901-4910 订阅
排序:
Influence of Trailing-Edge Wear on the Vibrational Behavior of Wind Turbine Blades
收藏 引用
Fluid Dynamics & Materials Processing 2024年 第2期20卷 337-348页
作者: Yuanjun Dai Xin Wei Baohua li Cong Wang Kunju Shi Mechanical College Shanghai Dian Ji UniversityShanghai201306China College of Energy Engineering Xinjiang Institute of EngineeringUrumqi830091China
To study the impact of the trailing-edge wear on the vibrational behavior of wind-turbine blades,unworn blades and trailing-edge worn blades have been assessed through relevant modal *** to these experiments,the natur... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
The Effect of Lateral Offset Distance on the Aerodynamics and Fuel Economy of Vehicle Queues
收藏 引用
Fluid Dynamics & Materials Processing 2024年 第1期20卷 147-163页
作者: lili Lei Ze li Haichao Zhou Jing Wang Wei lin School of Automotive and Traffic Engineering Jiangsu UniversityZhenjiang212013China
The vehicle industry is always in search of breakthrough energy-saving and emission-reduction *** recent years,vehicle intelligence has progressed considerably,and researchers are currently trying to take advantage of... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Consideration on immunotherapy of liver metastases of malignant tumors
收藏 引用
World Journal of Gastrointestinal Surgery 2024年 第8期16卷 2374-2381页
作者: Chuang Jiang Zhi-Hong Zhang Jia-Xin li Division of liver Surgery Department of General Surgery and Laboratory of Liver Surgeryand State Key Laboratory of Biotherapy and Collaborative Innovation Center of BiotherapyWest China HospitalSichuan UniversityChengdu 610041Sichuan ProvinceChina Department of General Surgery Dafang County People's HospitalBijie 551600Guizhou ProvinceChina
In this editorial,we comment on the article“Analysis of the impact of immuno-therapy efficacy and safety in patients with gastric cancer and liver metastasis”by liu et al that was published in the recent issue of th... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Double plasma molecular adsorption system for Stevens–Johnson syndrome/toxic epidermal necrolysis:A case report
收藏 引用
World Journal of Clinical Cases 2024年 第7期12卷 1371-1377页
作者: You-Wen Tan li-Ping liu Kai Zhang Department of Hepatology The Third Hospital of Zhenjiang Affiliated Jiangsu UniversityZhenjiang 212003Jiangsu ProvinceChina
BACKGROUND Stevens–Johnson syndrome and toxic epidermal necrolysis(SJS/TEN)are very serious skin allergies,with an etiology related to infections and *** the coronavirus disease 2019(COVID-19)pandemic,severe acute re... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Bronchoalveolar lavage fluid metagenomic next-generation sequencing assay for identifying pathogens in lung cancer patients
收藏 引用
BIOCELL 2024年 第4期48卷 623-637页
作者: JIYU WANG HUIXIA li DEYUAN ZHOU liHONG BAI KEJING TANG Division of Pulmonary and Critical Care Medicine The First Affiliated HospitalSun Yat-sen UniversityGuangzhouChina Institute of Pulmonary Diseases Sun Yat-sen UniversityGuangzhouChina Department of Pharmacy The First Affiliated HospitalSun Yat-sen UniversityGuangzhouChina
Background:For patients with lung cancer,timely identification of new lung lesions as infectious or non-infectious,and accurate identification of pathogens is very important in improving OS of *** a new auxiliary examin... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Tanshinone ⅡA improves Alzheimer’s disease via RNA nuclearenriched abundant transcript 1/microRNA-291a-3p/member RAS oncogene family Rab22a axis
收藏 引用
World Journal of Psychiatry 2024年 第4期14卷 563-581页
作者: Long-Xiu Yang Man Luo Sheng-Yu li Department of Neurology The First Affiliated Hospital of Guangxi Medical UniversityNanning 530000Guangxi Zhuang Autonomous RegionChina Department of Neurology Wuming Hospital of Guangxi Medical UniversityNanning 530199Guangxi Zhuang Autonomous RegionChina
BACKGROUND Alzheimer’s disease(AD)is a neurodegenerative condition characterized by oxidative stress and *** ⅡA(Tan-ⅡA),a bioactive compound isolated from Salvia miltiorrhiza plants,has shown potential neuroprotect... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Source Camera Identification Algorithm Based on Multi-Scale Feature Fusion
收藏 引用
Computers, Materials & Continua 2024年 第8期80卷 3047-3065页
作者: Jianfeng Lu Caijin li Xiangye Huang Chen Cui Mahmoud Emam School of Computer Science and Technology Hangzhou Dianzi UniversityHangzhou310018China Shangyu Institute of Science and Engineering Hangzhou Dianzi UniversityShaoxing312300China Key Laboratory of Public Security Information Application Based on Big-Data Architecture Ministry of Public SecurityZhejiang Police CollegeHangzhou310000China Faculty of Artificial Intelligence Menoufia UniversityShebin El-Koom32511Egypt
The widespread availability of digital multimedia data has led to a new challenge in digital *** source camera identification algorithms usually rely on various traces in the capturing ***,these traces have become inc... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Advances in targeted therapy for human epidermal growth factor receptor 2 positive in advanced gastric cancer
收藏 引用
World Journal of Gastrointestinal Oncology 2024年 第6期16卷 2318-2334页
作者: Ya-Kun Jiang Wei li Ying-Yang Qiu Meng Yue Department of Gastroenterology Central Hospital Affiliated to Shandong First Medical UniversityJinan 250013Shandong ProvinceChina Health Management Center Central Hospital Affiliated to Shandong First Medical UniversityJinan 250013Shandong ProvinceChina Yong Loo lin School of Medicine National University of SingaporeSingapore 119077Singapore
Emerging therapeutic methods represented by targeted therapy are effective supplements to traditional first-line chemoradiotherapy *** epidermal growth factor receptor 2(HER2)is one of the most important targets in ta... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Research on Scheduling Strategy of Flexible Interconnection Distribution Network Considering Distributed Photovoltaic and Hydrogen Energy Storage
收藏 引用
Energy Engineering 2024年 第5期121卷 1263-1289页
作者: Yang li Jianjun Zhao Xiaolong Yang He Wang Yuyan Wang College of Electrical Engineering Northeast Electric Power UniversityJilin132011China Smart Distribution Network Center State Grid Jibei Electric Power Co.Ltd.Qinhuangdao066000China
Distributed photovoltaic(PV)is one of the important power sources for building a new power system with new energy as the main *** rapid development of distributed PV has brought new challenges to the operation of dist... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Fractional Gradient Descent RBFNN for Active Fault-Tolerant Control of Plant Protection UAVs
收藏 引用
Computer Modeling in Engineering & Sciences 2024年 第3期138卷 2129-2157页
作者: lianghao Hua Jianfeng Zhang Dejie li Xiaobo Xi School of Mechanical Engineering Yangzhou UniversityYangzhou225009China College of Intelligent Manufacturing Yangzhou Polytechnic InstituteYangzhou225009China School of Automation Nanjing University of Aeronautics and AstronauticsNanjing211106China
With the increasing prevalence of high-order systems in engineering applications, these systems often exhibitsignificant disturbances and can be challenging to model accurately. As a result, the active disturbance rej... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论