咨询与建议

限定检索结果

文献类型

  • 2,281,734 篇 期刊文献
  • 16,447 篇 会议
  • 129 篇 学位论文
  • 43 册 图书
  • 7 篇 报纸

馆藏范围

  • 2,298,340 篇 电子文献
  • 20 种 纸本馆藏

日期分布

学科分类号

  • 1,034,437 篇 工学
    • 134,287 篇 材料科学与工程(可...
    • 107,325 篇 化学工程与技术
    • 102,718 篇 机械工程
    • 88,098 篇 计算机科学与技术...
    • 68,772 篇 软件工程
    • 67,657 篇 电气工程
    • 64,708 篇 土木工程
    • 56,861 篇 仪器科学与技术
    • 50,455 篇 交通运输工程
    • 48,667 篇 电子科学与技术(可...
    • 48,432 篇 控制科学与工程
    • 47,663 篇 动力工程及工程热...
    • 45,865 篇 环境科学与工程(可...
    • 43,622 篇 水利工程
  • 700,851 篇 医学
    • 404,938 篇 临床医学
    • 93,207 篇 中西医结合
    • 68,224 篇 公共卫生与预防医...
    • 62,614 篇 药学(可授医学、理...
    • 50,090 篇 医学技术(可授医学...
    • 48,252 篇 中药学(可授医学、...
    • 45,041 篇 基础医学(可授医学...
    • 42,304 篇 护理学(可授医学、...
  • 264,895 篇 理学
    • 60,209 篇 化学
    • 51,310 篇 生物学
  • 204,745 篇 农学
    • 51,448 篇 作物学
    • 42,361 篇 农业资源与环境
  • 188,411 篇 管理学
    • 76,180 篇 管理科学与工程(可...
    • 63,239 篇 公共管理
  • 116,176 篇 教育学
    • 91,404 篇 教育学
  • 76,058 篇 经济学
    • 66,333 篇 应用经济学
  • 56,855 篇 法学
  • 37,310 篇 文学
  • 20,195 篇 艺术学
  • 15,149 篇 历史学
  • 9,962 篇 哲学
  • 7,165 篇 军事学

主题

  • 14,405 篇 影响因素
  • 13,882 篇 数值模拟
  • 11,434 篇 预后
  • 11,249 篇 儿童
  • 9,663 篇 应用
  • 9,047 篇 诊断
  • 8,394 篇 危险因素
  • 8,196 篇 治疗
  • 8,104 篇 力学性能
  • 7,323 篇 大鼠
  • 7,018 篇 对策
  • 6,836 篇 磁共振成像
  • 6,780 篇 产量
  • 6,655 篇 糖尿病
  • 6,647 篇 疗效
  • 6,482 篇 教学改革
  • 6,473 篇 护理
  • 6,201 篇 综述
  • 6,094 篇 中国
  • 5,806 篇 稳定性

机构

  • 19,171 篇 浙江大学
  • 17,160 篇 上海交通大学
  • 13,808 篇 四川大学
  • 13,684 篇 清华大学
  • 13,405 篇 中南大学
  • 13,329 篇 同济大学
  • 12,961 篇 武汉大学
  • 12,844 篇 华南理工大学
  • 12,397 篇 中山大学
  • 12,297 篇 中国科学院大学
  • 11,859 篇 华中科技大学
  • 11,628 篇 北京大学
  • 10,046 篇 中国地质大学
  • 9,964 篇 东南大学
  • 9,337 篇 重庆大学
  • 9,326 篇 南京大学
  • 9,171 篇 复旦大学
  • 9,122 篇 福建农林大学
  • 8,985 篇 福州大学
  • 8,745 篇 河海大学

作者

  • 13,200 篇 陈伟
  • 11,302 篇 陈静
  • 10,083 篇 陈刚
  • 9,696 篇 陈勇
  • 8,844 篇 陈涛
  • 8,611 篇 陈杰
  • 8,545 篇 陈亮
  • 8,347 篇 陈敏
  • 7,553 篇 陈超
  • 7,430 篇 陈鹏
  • 7,405 篇 陈曦
  • 7,232 篇 陈晨
  • 7,045 篇 陈浩
  • 7,044 篇 陈军
  • 6,824 篇 陈磊
  • 6,736 篇 陈波
  • 6,720 篇 陈洁
  • 6,570 篇 陈明
  • 6,508 篇 陈斌
  • 6,214 篇 陈辉

语言

  • 2,184,446 篇 中文
  • 113,880 篇 英文
  • 31 篇 日文
  • 2 篇 其他
  • 1 篇 法文
检索条件"作者=Hua-feng CHEN"
2298360 条 记 录,以下是1-10 订阅
排序:
A parallel and scalable digital architecture for training support vector machines
收藏 引用
Journal of Zhejiang University-Science C(Computers and Electronics) 2010年 第8期11卷 620-628页
作者: Kui-kang CAO Hai-bin SHEN hua-feng chen Institute of VLSI Design Zhejiang University Hangzhou 310027 China Zhejiang University of Media and Communications Hangzhou 310027 China
To facilitate the application of support vector machines (SVMs) in embedded systems,we propose and test a parallel and scalable digital architecture based on the sequential minimal optimization (SMO) algorithm for tra... 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
Arc characteristics of submerged arc welding with stainless steel wire
收藏 引用
International Journal of Minerals,Metallurgy and Materials 2014年 第8期21卷 772-778页
作者: Ke Li Zhi-sheng Wu Cui-rong Liu feng-hua chen College of Materials Science and Engineering Taiyuan University of Science and Technology
The arc characteristics of submerged arc welding (SAW) with stainless steel wire were studied by using Analysator Hannover (AH). The tests were carded out under the same preset arc voltage combined with different ... 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
Effect of Sm-doping on the morphology and magnetic properties of radio frequency magnetron sputtered Ni-Mn-Ga films
收藏 引用
International Journal of Minerals,Metallurgy and Materials 2012年 第6期19卷 555-560页
作者: feng-hua chen Min-gang Zhang Yue-sheng Chai Chang-wei Gong College of Materials Science and Engineering Taiyuan University of Science and Technology Talyuan 030024 China
Ni55.5Mn21Ga23.5 and Ni54Mn22Ga23Sml films were prepared by radio frequency (RF) magnetron sputtering. The effect of Sm do- pant on the morphologic and magnetic properties of Ni55.5Mn21Ga23.5 films was investigated.... 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
Magnetic properties and anomalous Hall effect of Mn3Sn thin films controlled by defects and ferroelectric 0.7Pb(Mg_(1/3)Nb_(2/3))O_(3)–0.3PbTiO_(3) substrate
收藏 引用
Rare Metals 2021年 第10期40卷 2862-2867页
作者: Zhong-Ping Zhao Qi Guo feng-hua chen Ke-Wei Zhang Yong Jiang School of Materials Science and Engineering Taiyuan University of Science and TechnologyTaiyuan 030024China
Noncollinear antiferromagnetic Mn_(3)Sn films have received much attention due to their potential applications in antiferromagnetic spintronic devices. In this work, single-phase polycrystalline antiferromagnetic Mn_(... 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
The modulation of the discharge plateau of benzoquinone for sodium-ion batteries
收藏 引用
International Journal of Minerals,Metallurgy and Materials 2021年 第10期28卷 1675-1683页
作者: feng-hua chen Yi-wen Wu huan-hong Zhang Zhan-tu Long Xiao-xin Lin Ming-zhe chen Qing chen Yi-fan Luo Shu-Lei Chou Rong-hua Zeng Key Laboratory of Theoretical Chemistry of the Environment Ministry of EducationSchool of ChemistrySouth China Normal UniversityGuangzhou 510006China Institute for Superconducting and Electronic Materials Australian Institute for Innovative MaterialsUniversity of WollongongInnovation CampusSquires WayNorth WollongongNSW 2522Australia Department of Mechanical and Aerospace Engineering and Department of ChemistryThe Hong Kong University of Science and TechnologyHong KongChina Key Laboratory of Advanced Energy Materials Chemistry(Ministry of Education) College of ChemistryNankai UniversityTianjin 300071China
p-Benzoquinone(BQ)is a promising candidate for next-generation sodium-ion batteries(SIBs)because of its high theoretical specific capacity,good reaction reversibility,and high resource ***,practical application of BQ ... 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
Studies on the Effects of Epimedium Extract on Erythrocytes
收藏 引用
Chinese Chemical Letters 2006年 第8期17卷 1105-1108页
作者: Xiao Yu ZHANG feng hua chen Ping Hui WEI Jia Zuan NI Department of Biological Engineering College of Environment & Chemical Engineering Yanshan University Hebei 066004 Key Laboratory of Rare Earth Chemistry and Physics Changchun Institute of Applied Chemistry Chinese Academy of Sciences Changchun 130022
The effect of Epimedium extract (EE) on erythrocytes was investigated by atomic force microscopy (AFM). The images of the surface structures showed clear concave and progressive increase of surface roughness of er... 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
Effects of magnetic field and hydrostatic pressure on the antiferromagnetic-ferromagnetic transition and magneto-functional properties in Hf_(1-x)Ta_(x)Fe_(2)alloys
收藏 引用
Tungsten 2023年 第4期5卷 503-511页
作者: feng-hua chen Hai-Bo Xie Ming-Shuai Huo Hui Wu Lian-Jie Li Zheng-Yi Jiang School of Mechanical MaterialsMechatronic and Biomedical EngineeringUniversity of WollongongWollongongNSW2522Australia The Key Laboratory of Magnetic and Electric Functional Materials and Applications of Shanxi Province Taiyuan University of Science and TechnologyTaiyuan030024China
In this study,the thermal expansion of Hf_(1-x)Ta_(x)Fe_(2)(x=0.10,0.13,0.15)compounds by adjusting the Ta concentration was successfully *** magnetocaloric properties,hydrostatic pressure affecting the antiferromagne... 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
Establishing the lower limits of total serum testosterone among Chinese proven fertile men who received treatment of assisted reproductive technology
收藏 引用
Asian Journal of Andrology 2020年 第4期22卷 396-400页
作者: Hui-Yu Xu Hui Jiang Guo-Shuang feng Ying feng Yong Han Wen-Hao Tang Hong-Xian Zhang feng-hua chen Hong-Xia Zhang De-feng Liu Rong Li Jie Qiao Center for Reproductive Medicine Department of Obstetrics and GynecologyPeking University Third HospitalBeijing 100191China Key Laboratory of Assisted Reproduction(Peking University) Ministry of EducationBeijing 100191China National Clinical Research Center for Obstetrics and Gynecology Beijing 100191China Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology Beijing 100191China Department of Urology Peking University Third HospitalBeijing 100191China Center for Clinical Epidemiology and Evidence-Based Medicine Beijing Children's Hospital Capital Medical UniversityNational Center for Children's HealthBeijing 100045China Clinical Research Institute Zhejiang Provincial People's HospitalHangzhou 310014China
Testosterone(T)plays a crucial role in spermatogenesis because extremely low levels of intratesticular T lead to correspondingly low serum levels of total T(tT),severe disorders of spermatogenesis,and male ***,there i... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
The mechanisms of pH regulation on promoting volatile fatty acids production from kitchen waste
收藏 引用
Journal of Environmental Sciences 2025年 第1期147卷 414-423页
作者: feng Liu Tingting Wang Leiyu feng Yinguang chen College of Environmental Science and Engineering Tongji UniversityShanghai 200092China TUS-Environmental Science and Technology Development Co. Ltd.Beijing 100084China
The anaerobic acid production experiments were conducted with the pretreated kitchen waste under pH *** results showed that pH 8 was considered to be the most suitable condition for acid production,especially for the ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Characteristics of catalytic destruction of dichloromethane and ethyl acetate mixture over HxPO4-RuOx/CeO2 catalyst
收藏 引用
Journal of Environmental Sciences 2025年 第2期148卷 336-349页
作者: Jiawen chen Qingjie Meng feng Bi Jingkun chen Xiaole Weng Zhongbiao Wu Key Laboratory of Environment Remediation and Ecological Health Ministry of EducationCollege of Environmental and Resource SciencesZhejiang UniversityHangzhou 310058China School of Civil&Environmental Engineering and Geography Science Ningbo UniversityNingbo 315211China ZJU-Hangzhou Global Scientific and Technological Innovation Center Hangzhou 311200China Zhejiang Provincial Engineering Research Centre of Industrial Boiler&Furnace Flue Gas Pollution Control Hangzhou 310058China
Catalytic destruction is an ascendant technology for the abatement of volatile organic compounds(VOCs)originating fromsolvent-based industrial *** varied composition tends to influence each VOC’s catalytic behavior i... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论