咨询与建议

限定检索结果

文献类型

  • 555,270 篇 期刊文献
  • 4,005 篇 会议
  • 22 篇 学位论文
  • 7 册 图书

馆藏范围

  • 559,302 篇 电子文献
  • 2 种 纸本馆藏

日期分布

学科分类号

  • 255,712 篇 工学
    • 32,900 篇 材料科学与工程(可...
    • 27,727 篇 化学工程与技术
    • 25,373 篇 机械工程
    • 20,283 篇 计算机科学与技术...
    • 16,341 篇 软件工程
    • 15,136 篇 电气工程
    • 14,612 篇 土木工程
    • 14,463 篇 仪器科学与技术
    • 12,165 篇 电子科学与技术(可...
    • 12,121 篇 动力工程及工程热...
    • 11,989 篇 控制科学与工程
    • 11,532 篇 交通运输工程
    • 11,498 篇 环境科学与工程(可...
    • 10,692 篇 水利工程
  • 164,103 篇 医学
    • 92,982 篇 临床医学
    • 24,821 篇 中西医结合
    • 15,894 篇 公共卫生与预防医...
    • 15,836 篇 药学(可授医学、理...
    • 13,375 篇 中药学(可授医学、...
    • 12,247 篇 基础医学(可授医学...
    • 11,265 篇 医学技术(可授医学...
    • 9,964 篇 中医学
  • 68,813 篇 理学
    • 16,115 篇 化学
    • 14,048 篇 生物学
  • 56,151 篇 农学
    • 14,918 篇 作物学
    • 11,465 篇 农业资源与环境
  • 43,455 篇 管理学
    • 18,183 篇 管理科学与工程(可...
    • 13,741 篇 公共管理
  • 25,231 篇 教育学
    • 19,534 篇 教育学
  • 18,534 篇 经济学
    • 16,210 篇 应用经济学
  • 13,371 篇 法学
  • 8,420 篇 文学
  • 4,666 篇 艺术学
  • 3,600 篇 历史学
  • 2,448 篇 哲学
  • 2,098 篇 军事学

主题

  • 3,449 篇 数值模拟
  • 3,371 篇 影响因素
  • 2,553 篇 预后
  • 2,400 篇 应用
  • 2,392 篇 儿童
  • 2,094 篇 诊断
  • 1,899 篇 产量
  • 1,871 篇 大鼠
  • 1,851 篇 力学性能
  • 1,773 篇 治疗
  • 1,648 篇 磁共振成像
  • 1,642 篇 危险因素
  • 1,567 篇 对策
  • 1,374 篇 合成
  • 1,324 篇 中国
  • 1,303 篇 综述
  • 1,256 篇 细胞凋亡
  • 1,234 篇 稳定性
  • 1,191 篇 糖尿病
  • 1,139 篇 教学改革

机构

  • 3,819 篇 上海交通大学
  • 3,584 篇 浙江大学
  • 3,328 篇 四川大学
  • 3,199 篇 中国科学院大学
  • 3,162 篇 北京大学
  • 3,117 篇 同济大学
  • 3,022 篇 清华大学
  • 2,954 篇 中南大学
  • 2,876 篇 吉林大学
  • 2,848 篇 天津大学
  • 2,794 篇 中国地质大学
  • 2,732 篇 哈尔滨工业大学
  • 2,693 篇 中国石油大学
  • 2,690 篇 武汉大学
  • 2,615 篇 山东大学
  • 2,597 篇 华南理工大学
  • 2,548 篇 华中科技大学
  • 2,479 篇 西北工业大学
  • 2,468 篇 中国矿业大学
  • 2,190 篇 北京中医药大学

作者

  • 7,338 篇 王琦
  • 5,413 篇 张琦
  • 5,269 篇 王琪
  • 4,558 篇 李琦
  • 4,494 篇 张琪
  • 2,815 篇 刘琦
  • 2,522 篇 李琪
  • 2,458 篇 陈琦
  • 2,087 篇 周琦
  • 1,733 篇 刘琪
  • 1,720 篇 李奇
  • 1,646 篇 张奇
  • 1,537 篇 陈琪
  • 1,373 篇 王奇
  • 1,340 篇 孙琦
  • 1,267 篇 赵琦
  • 1,161 篇 杨琦
  • 988 篇 刘奇
  • 940 篇 周琪
  • 888 篇 吴琦

语言

  • 532,594 篇 中文
  • 26,706 篇 英文
  • 4 篇 日文
检索条件"作者=YOU Qi Sheng"
559304 条 记 录,以下是1-10 订阅
排序:
Optical Coherence Tomography Features of Tuberculous Serpiginous-like Choroiditis and Serpiginous Choroiditis
收藏 引用
Biomedical and Environmental Sciences 2018年 第5期31卷 327-334页
作者: wang xiao na you qi sheng zhao hui ying peng xiao yan Beijing Institute of Ophthalmology Beijing Tongren Eye Center Beijing Ophthalmology and Visual Science Key Lab Beijing Tongren Hospital Capital Medical University Beijing 100730 China
Objective To investigate optical coherence tomography(OCT) characteristics of tuberculous serpiginous-like choroiditis(Tb-SLC) and serpiginous choroiditis(SC) and to perform OCT to differentiate between these **... 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
Antibonding orbital tailor and stress relief engineering for FeS2 complex toward superior sodium storage
收藏 引用
Rare Metals 2024年 第10期43卷 5048-5059页
作者: you-Bin Zhang Zhen-Guo qi Fu-sheng Liu Guo-Hui qin State Key Laboratory Base for Eco-Chemical Engineering College of Chemical EngineeringQingdao University of Science and Technology Shandong Synergetic Innovation Center of Ecological and Chemical Engineering
The sluggish kinetics behaviors and vast volume variations of Na+hosts to FeS2anode involved intercalation,and conversion reactions plague its applicability of sodium-ion batteries (SIBs).Here,a significantly expedi... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
A Bird’s Eye View of Quantitative Proteome of Tumor Tissues from Lung Cancer Patients by a High Precision Mass Spectrometry Method
收藏 引用
Chemical Research in Chinese Universities 2024年 第1期40卷 136-144页
作者: DU Xiaohui LI Encheng WANG qi you Xin Lung Cancer Transitional Medicine Center The Second Affiliated Hospital of Dalian Medical UniversityDalian116023P.R.China Department of Scientific Research Center The Second Affiliated Hospital of Dalian Medical UniversityDalian116023P.R.China Department of Respiratory Medicine The Second Affiliated Hospital of Dalian Medical UniversityDalian116023P.R.China
Lung cancer produces a high incidence of malignant *** have been many studies on lung cancer using mass spectrometry(MS)***,most studies have focused on humoral *** this work,26 pairs of tissue samples(tumor ***-tumor... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
In-depth understanding of transport behavior of sulfided nano zerovalent iron/reduced graphene oxide@guar gum slurry: Stability and mobility
收藏 引用
Journal of Environmental Sciences 2024年 第10期144卷 1-14页
作者: Yuheng Ma Wenhui you Zijiang Yang Zhongyu Ren qi Jing Faculty of Architecture Civil and Transportation EngineeringBeijing University of TechnologyBeijing 100124China
Nanoscale zero-valent iron(NZVI),which has the advantages of small particle size,large specific surface area,and high reactivity,is often injected into contaminated aquifers in the form of ***,the prone to passivation... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Repeatability and Reproducibility of Quantitative Assessment of the Retinal Microvasculature Using Optical Coherence Tomography Angiography Based on Optical Microangiography
收藏 引用
Biomedical and Environmental Sciences 2018年 第6期31卷 407-412页
作者: ZHAO qi YANG Wen Li WANG Xiao Na Ruikang K Wang you qi sheng CHU Zhong Di XIN Chen ZHANG Meng Yu LI Dong Jun WANG Zi Yang CHEN Wei LI Yi Feng CUI Rui SHEN Lin WEI Wen Bin Department of Ophthalmology Beijing Tongren Eye CenterBeijing Tongren HospitalCapital Medical UniversityBeijing Key Laboratory of Ophthalmology and Visual SciencesBeijing 100730China Beijing Institute of Ophthalmology Beijing Tongren Eye CenterBeijing Tongren HospitalCapital Medical UniversityBeijing Key Laboratory of Ophthalmology and Visual SciencesBeijing 100005China Department of Bioengineering University of WashingtonSeattle Washington 98195United States of America
Objective The aim of this study was to determine the repeatability and reproducibility of optical coherence tomography angiography(OCTA) based on optical microangiography(OMAG) measurements of macular vessels in n... 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
Tendencies of alloyed engineering in BiOX-based photocatalysts:a state-of-the-art review
收藏 引用
Rare Metals 2024年 第4期43卷 1488-1512页
作者: Yan-Dong Sun Chao Zeng Xue Zhang Zi-qi Zhang Bo Yang sheng-qi Guo Tianjin Key Laboratory of Clean Energy and Pollutant Control School of Energy and Environmental EngineeringHebei University of TechnologyTianjin300401China State-Province Joint Engineering Laboratory of Zeolite Membrane Materials Institute of Advanced MaterialsCollege of Chemistry and Chemical EngineeringJiangxi Normal UniversityNanchang330022China Anhui Province Key Laboratory of Pollutant Sensitive Materials and Environmental Remediation School of Physics and Electronic InformationAnhui Province Industrial Generic Technology Research Center for Alumics MaterialsHuaibei Normal UniversityHuaibei235000China
Energy-saving and environmentally friendly photocatalysis has emerged as a popular research area in response to issues with energy scarcity and environmental *** to the unique layer-like structure,BiOX(Cl,Br,I)is freq... 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
Zn-air batteries for electric vehicles
收藏 引用
Tungsten 2024年 第1期6卷 164-173页
作者: Nai-qi Meng Yu-Xin Fan Jing-sheng Cai State Key Laboratory of Molecular Engineering of Polymers Department of Macromolecular ScienceFudan UniversityShanghai 200438China College of Energy Soochow Institute for Energy and Materials InnovationS(SIEMIS)Key Laboratory of Advanced Carbon Materials and Wearable Energy Technologies of Jiangsu Province Soochow UniversitySuzhou 215006China Institute of New Energy for Vehicles School of Materials Science and EngineeringTongji UniversityShanghai 201804China
The increasingly serious environmental challenges have gradually aroused people's interest in electric *** the last decade,governments and automakers have collaborated on the manufacturing of electric vehicles with hi... 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
Epidemiology of pterygium in aged rural population of Beijing, China
收藏 引用
Chinese Medical Journal 2010年 第13期123卷 1699-1701页
作者: LIANG qing-feng XU Liang JIN Xiu-ying you qi-sheng YANG Xiao-hui and CUI Tong-tong Beijing Institute of Ophthalmology Beijing Tongren Eye Center Beijing Tongren Hospital Capital Medical University Beijing 100005 China
Background Pterygium is a common ophthalmic disease and an important public health problem. It may be affected by many factors such as age, gender, ultraviolet radiation exposure, and time spent outdoors. This study a... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Enhancing Evolutionary Algorithms With Pattern Mining for Sparse Large-Scale Multi-Objective Optimization Problems
收藏 引用
IEEE/CAA Journal of Automatica Sinica 2024年 第8期11卷 1786-1801页
作者: sheng qi Rui Wang Tao Zhang Weixiong Huang Fan Yu Ling Wang College of Systems Engineering National University of Defense TechnologyChangsha 410073China College of Systems Engineering National University of Defense TechnologyChangsha 410073and also with the Xiangjiang LaboratoryChangsha 410205China College of Transportation and Engineering Central South UniversityChangsha 410073China Department of Automation Tsinghua UniversityBeijing 100084China
Sparse large-scale multi-objective optimization problems(SLMOPs)are common in science and ***,the large-scale problem represents the high dimensionality of the decision space,requiring algorithms to traverse vast expa... 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 Two-Layer Encoding Learning Swarm Optimizer Based on Frequent Itemsets for Sparse Large-Scale Multi-Objective Optimization
收藏 引用
IEEE/CAA Journal of Automatica Sinica 2024年 第6期11卷 1342-1357页
作者: sheng qi Rui Wang Tao Zhang Xu Yang Ruiqing Sun Ling Wang College of Systems Engineering National University of Defense TechnologyChangsha 410073China Xiangjiang Laboratory Changsha 410205China College of Computer National University of Defense TechnologyChangsha 410073China Department of Automation Tsinghua UniversityBeijing 100084China IEEE
Traditional large-scale multi-objective optimization algorithms(LSMOEAs)encounter difficulties when dealing with sparse large-scale multi-objective optimization problems(SLM-OPs)where most decision variables are *** 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