咨询与建议

限定检索结果

文献类型

  • 10,108 篇 期刊文献
  • 849 篇 会议

馆藏范围

  • 10,957 篇 电子文献
  • 0 种 纸本馆藏

日期分布

学科分类号

  • 5,765 篇 工学
    • 2,032 篇 材料科学与工程(可...
    • 1,280 篇 机械工程
    • 984 篇 计算机科学与技术...
    • 961 篇 化学工程与技术
    • 867 篇 力学(可授工学、理...
    • 740 篇 动力工程及工程热...
    • 699 篇 环境科学与工程(可...
    • 591 篇 控制科学与工程
    • 569 篇 冶金工程
    • 563 篇 电气工程
    • 551 篇 航空宇航科学与技...
    • 507 篇 水利工程
    • 455 篇 信息与通信工程
    • 432 篇 电子科学与技术(可...
    • 429 篇 土木工程
    • 407 篇 地质资源与地质工...
    • 385 篇 生物医学工程(可授...
    • 381 篇 交通运输工程
    • 349 篇 建筑学
  • 4,861 篇 医学
    • 4,071 篇 临床医学
    • 762 篇 基础医学(可授医学...
    • 688 篇 公共卫生与预防医...
    • 384 篇 药学(可授医学、理...
  • 4,410 篇 理学
    • 1,424 篇 生物学
    • 1,417 篇 化学
    • 1,230 篇 物理学
    • 566 篇 数学
    • 421 篇 地球物理学
    • 412 篇 天文学
  • 1,129 篇 农学
    • 417 篇 作物学
  • 413 篇 管理学
  • 209 篇 经济学
  • 203 篇 教育学
  • 124 篇 法学
  • 74 篇 文学
  • 51 篇 艺术学
  • 24 篇 军事学
  • 12 篇 历史学
  • 5 篇 哲学

主题

  • 162 篇 test
  • 68 篇 analysis
  • 67 篇 diagnosis
  • 64 篇 mechanical prope...
  • 61 篇 deep learning
  • 59 篇 meta-analysis
  • 58 篇 model
  • 57 篇 numerical simula...
  • 56 篇 simulation
  • 54 篇 children
  • 49 篇 screening
  • 46 篇 diabetes
  • 45 篇 survival
  • 45 篇 apoptosis
  • 43 篇 optimization
  • 43 篇 liver
  • 41 篇 case report
  • 40 篇 cancer
  • 39 篇 prevalence
  • 38 篇 china

机构

  • 106 篇 university of ch...
  • 36 篇 university of ch...
  • 27 篇 school of energy...
  • 19 篇 school of energy...
  • 18 篇 ieee
  • 17 篇 collaborative in...
  • 13 篇 collaborative in...
  • 13 篇 china aerodynami...
  • 12 篇 school of energy...
  • 10 篇 collaborative in...
  • 10 篇 spallation neutr...
  • 9 篇 corrosion and pr...
  • 9 篇 university of ch...
  • 8 篇 china ship scien...
  • 8 篇 national climate...
  • 8 篇 china automotive...
  • 8 篇 collaborative in...
  • 8 篇 shenyang nationa...
  • 8 篇 dongfeng motor c...
  • 7 篇 state key labora...

作者

  • 26 篇 wei liu
  • 26 篇 jing wang
  • 24 篇 li zhang
  • 22 篇 chen chen
  • 21 篇 jian wang
  • 18 篇 ying liu
  • 17 篇 jun wang
  • 17 篇 jing zhang
  • 16 篇 rui wang
  • 16 篇 ming li
  • 16 篇 bin jiang
  • 15 篇 jing chen
  • 15 篇 xiao li
  • 15 篇 yu zhang
  • 15 篇 qi wang
  • 13 篇 jun zhang
  • 13 篇 xin liu
  • 13 篇 kai li
  • 13 篇 lei zhang
  • 12 篇 juan liu

语言

  • 10,364 篇 英文
  • 593 篇 中文
检索条件"机构=Center of Engine Test and Measurement"
10957 条 记 录,以下是41-50 订阅
排序:
Diagnostic values of questionnaires of Convergence Insufficiency Symptom Survey and College of Optometrists Vision Development Quality of Life in the screening of convergence insufficiency
收藏 引用
International Journal of Ophthalmology(English edition) 2024年 第5期17卷 904-908页
作者: Ling Xiong Qian Chen Ye Wu Department of Ophthalmology West China HospitalSichuan University/Laboratory of Optometry and Vision ScienceWest China School of MedicineChengdu 610041Sichuan ProvinceChina Department of Clinical Research Management Center of BiostatisticsDesignMeasurement and EvaluationWest China HospitalSichuan UniversityChengdu 610041Sichuan ProvinceChina
AIM:To compare and analyse the diagnostic efficacy of the College of Optometrists Vision Development Quality of Life Questionnaire(COVD-QOL)and the Convergence Insufficiency Symptom Survey(CISS)in detecting convergenc... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Tuning interfacial charge transfer for efficient visible-light-driven photodegradation and simultaneous H_(2)evolution
收藏 引用
Journal of Materials Science & Technology 2024年 第1期168卷 35-49页
作者: Zhiyang Li Yaogang Chen Yinghe Zhang Wei Ai Qian Lei Tingjun Yao Dan Zhong Wenjie Liu Wenbiao Jin Lei Yang State Key Laboratory of Urban Water Resource and Environment Shenzhen Key Laboratory of Organic Pollution Prevention and ControlSchool of Civil and Environmental EngineeringHarbin Institute of Technology ShenzhenShenzhen 518055China Key Laboratory of Northwest Water Resources Environment and EcologyMinistry of EducationSchool of Environmental and Municipal EngineeringXi’an University of Architecture and TechnologyXi’an 710055China CNAS Accredited test center Guangdong Engineering Technology Research Center of Air PurificationHealthlead Co.Ltd.Shenzhen 518055China School of Science Harbin Institute of Technology ShenzhenShenzhen 518055China
The edge-graphitized carbon nitride(C_(3)N_(4)-C g)was prepared by secondary pyrolysis to construct ZnO/C_(3)N_(4)-C g(ZCN)type-Ⅱheterojunction photocatalyst via a facile sonication dispersion method,which achieved∼... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Application of shear-sensitive liquid crystal coating to visualization of transition and reattachment in compressor cascade
收藏 引用
Chinese Journal of Aeronautics 2018年 第11期31卷 2073-2079页
作者: Ruiyu LI Limin GAO Shuai ZHANG Yongzeng LI Tianyu GAO School of Power and Energy Northwestern Polytechnical UniversityXi'an 710072China Collaborative Innovation center of Advanced Aero-engine Beijing 100191China Aero-engine Flight test Chinese Flight Test EstablishmentXi'an 710089China
The present paper aims at introducing Shear-Sensitive Liquid Crystal Coating(SSLCC)technology into compressor cascade measurement for the first time and serves as a basis for better understanding of the influence from... 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 the penetration of adjacent X-section cast-in-place concrete(XCC)pile on the existing XCC pile in sand
收藏 引用
Journal of Zhejiang University-Science A(Applied Physics & engineering) 2024年 第7期25卷 557-572页
作者: Peng ZHOU Jianhui XU Changjie XU Guangwei CAO Jie CUP Xuanming DING School of Civil engineering and Architecture State Key Laboratory of Performance Monitoring and Protecting of Rail Transit InfrastructureEast China Jiaotong UniversityNanchang330013China Guangdong Key Laboratory of Earthquake engineering and Application Technology Earthquake Engineering Research&Test CenterGuangzhou UniversityGuangzhou510006China Key Laboratory of New Technology for the Construction of Cities in Mountain Areas College of Civil EngineeringChongqing UniversityChongqing400045China Zijin School of Geology and Mining Fuzhou UniversityFuzhou350116China
A series of small-scale 1g X-section cast-in-place concrete(XCC)pile-penetration model tests were conducted to study the effects of soil density and pile geometry on the lateral responses of an existing pile and the v... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Microbial phenolic metabolites 3-(3',4'-dihydroxyphenyl)propanoic acid and 3',4'-dihydroxyphenylacetic acid prevent obesity in mice fed high-fat diet
收藏 引用
Food Science and Human Wellness 2024年 第1期13卷 327-338页
作者: Wanbing Chen Ruonan Liu Xiaoling Zhu Qun Lu Hong Yang Rui Liu College of Food Science and Technology Huazhong Agricultural UniversityWuhan 430000China Key Laboratory of Environment Correlative Dietology(Huazhong Agricultural University) Ministry of educationWuhan 430000China Wuhan engineering Research center of Bee Products on Quality and Safety Control Wuhan 430000China Key Laboratory of Urban Agriculture in Central China Ministry of Agriculture and Rural AffairsWuhan 430000China Hubei Provincial Institute for Food Supervision and test Wuhan 430070China
Obesity is associated with numerous metabolic disorders,and dietary polyphenols have been confirmed to have beneficial effects on the metabolism in ***,the effect of 3-(3’,4’-dihydroxyphenyl)propanoic acid(DHPA)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
High corrosion and wear resistant electroless Ni–P gradient coatings on aviation aluminum alloy parts
收藏 引用
International Journal of Minerals,Metallurgy and Materials 2024年 第1期31卷 155-164页
作者: Bo Wang Jiawei Li Zhihui Xie Gengjie Wang Gang Yu College of Chemistry and Chemical engineering Hunan UniversityChangsha 410012China Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province/College of Chemistry and Chemical engineering China West Normal UniversityNanchong 637002China Zhongchuan Machinery Ltd.Co. Aero Engine Corporation of ChinaChangsha 410200China
A Ni–P alloy gradient coating consisting of multiple electroless Ni–P layers with various phosphorus contents was prepared on the aviation aluminum alloy. Several characterization and electrochemical techniques were... 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
Multistep Desolvation as a Fundamental Principle Governing Peptide Self-Assembly Through Liquid-Liquid Phase Separation
收藏 引用
CCS Chemistry 2024年 第1期6卷 255-265页
作者: Chengqian Yuan Ruirui Xing Jie Cui Wei Fan Junbai Li Xuehai Yan State Key Laboratory of Biochemical engineering Institute of Process EngineeringChinese Academy of SciencesBeijing 100190 School of Chemical engineering University of Chinese Academy of SciencesBeijing 100049 Analysis and test center Institute of ChemistryChinese Academy of SciencesBeijing 100190 Beijing National Laboratory for Molecular Sciences CAS Key Laboratory of ColloidInterface and Chemical ThermodynamicsInstitute of ChemistryChinese Academy of SciencesBeijing 100190 center for Mesoscience Institute of Process EngineeringChinese Academy of SciencesBeijing 100190
Biomolecular self-assembly based on peptides and proteins is a general phenomenon encountered in natural and synthetic ***–liquid phase separation(LLPS)is intimately involved in biomolecular self-assembly,yet the key... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Facile synthesis of magnetic covalent organic framework nanocomposites for the enrichment and quantification of trace organophosphorus pesticides in fruit juice
收藏 引用
Food Science and Human Wellness 2024年
作者: Quanbin Fu Xin Sun Lu Liu Hailong Jiang Geoffrey I.N.Waterhouse Shiyun Ai Rusong Zhao School of Chemical Sciences, The University of Auckland College of Chemistry and Material Science, Shandong Agricultural University Qilu University of Technology (Shandong Academy of Sciences), Shandong Analysis and test center, Key Laboratory for Applied Technology of Sophisticated Analytical Instruments of Shandong Province College of Food Science and engineering, Shandong Agricultural University
Organophosphorus pesticides (OPPs) in foods pose a serious threat to human health, motivating the development of novel analytical methods for their rapid detection and quantification. A magnetic covalent organic fram...
来源: 同方期刊数据库 同方期刊数据库 评论
Identification of different degrees of processed ginger using GC-IMS combined with machine learning
收藏 引用
Journal of Pharmaceutical Analysis 2024年 第1期14卷 149-151页
作者: Shuang Liu Hongjing Dong Minmin Zhang Wei Geng Xiao Wang Key Laboratory for Applied Technology of Sophisticated Analytical Instruments of Shandong Province Shandong Analysis and Test CenterQilu University of Technology(Shandong Academy of Sciences)Jinan250014China Key Laboratory for Natural Active Pharmaceutical Constituents Research in Universities of Shandong Province School of Pharmaceutical SciencesQilu University of Technology(Shandong Academy of Sciences)Jinan250014China Shandong Provincial Maternal and Child Health Care Hospital Affiliated to Qingdao University Jinan250014China
Ginger,the rhizomes of Zingiber officinale Roscoe,was a wellknown edible plant species commonly used in China,which has pungent flavor[1].Ginger has numerous chemical compounds,such as phenolic constituents,volatile c... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
CHONDROSARCOMA SURFACE CONFIGURATION
收藏 引用
中华医学杂志(英文版) 1983年 第11期96卷 868-872页
作者: 梁里安 叶衍庆 张荣泉 Shanghai Institute of Traumatology and Orthopedics Medical measurement and test center Shanghai
Five chondrosarcoma cases are observed by scanning electron microscope. Its surface ultrastrucural charateristics are discussed.
来源: 同方期刊数据库 同方期刊数据库 评论