咨询与建议

限定检索结果

文献类型

  • 2,164 篇 期刊文献
  • 24 篇 会议

馆藏范围

  • 2,188 篇 电子文献
  • 0 种 纸本馆藏

日期分布

学科分类号

  • 623 篇 工学
    • 79 篇 计算机科学与技术...
    • 75 篇 农业工程
    • 71 篇 水利工程
    • 61 篇 软件工程
    • 52 篇 环境科学与工程(可...
    • 35 篇 机械工程
    • 33 篇 材料科学与工程(可...
    • 31 篇 控制科学与工程
    • 30 篇 仪器科学与技术
  • 530 篇 医学
    • 256 篇 临床医学
    • 109 篇 公共卫生与预防医...
    • 65 篇 中西医结合
    • 43 篇 中药学(可授医学、...
    • 40 篇 药学(可授医学、理...
    • 40 篇 护理学(可授医学、...
  • 423 篇 农学
    • 132 篇 农业资源与环境
    • 68 篇 作物学
    • 57 篇 植物保护
    • 51 篇 畜牧学
    • 48 篇 林学
    • 46 篇 园艺学
  • 356 篇 管理学
    • 139 篇 公共管理
    • 102 篇 管理科学与工程(可...
    • 94 篇 工商管理
    • 45 篇 农林经济管理
  • 298 篇 教育学
    • 264 篇 教育学
  • 288 篇 理学
    • 125 篇 生态学
    • 39 篇 生物学
    • 32 篇 数学
  • 133 篇 经济学
    • 121 篇 应用经济学
  • 61 篇 法学
  • 24 篇 文学
  • 10 篇 军事学
  • 9 篇 艺术学
  • 7 篇 历史学
  • 2 篇 哲学

主题

  • 31 篇 影响因素
  • 27 篇 管理
  • 24 篇 大学生
  • 23 篇 产量
  • 20 篇 高校
  • 16 篇 高职院校
  • 14 篇 对策
  • 12 篇 diagnosis
  • 12 篇 新型冠状病毒肺炎
  • 11 篇 主成分分析
  • 11 篇 安全管理
  • 11 篇 诊断
  • 10 篇 citespace
  • 10 篇 treatment
  • 10 篇 大数据
  • 9 篇 物联网
  • 9 篇 知识图谱
  • 9 篇 层次分析法
  • 9 篇 植被指数
  • 9 篇 土壤

机构

  • 29 篇 北京大学
  • 28 篇 中国科学院大学
  • 28 篇 中国农业大学
  • 24 篇 内蒙古农业大学
  • 23 篇 华中科技大学
  • 23 篇 西北农林科技大学
  • 23 篇 西南林业大学
  • 21 篇 山西农业大学
  • 21 篇 福建农林大学
  • 19 篇 四川农业大学
  • 19 篇 华中科技大学同济...
  • 19 篇 云南农业大学
  • 19 篇 天津大学
  • 19 篇 华南农业大学
  • 19 篇 四川大学
  • 19 篇 华中农业大学
  • 17 篇 四川大学华西医院
  • 17 篇 广西大学
  • 17 篇 华中科技大学同济...
  • 17 篇 河海大学

作者

  • 28 篇 李忠
  • 13 篇 段宝忠
  • 11 篇 段利忠
  • 11 篇 钟正东
  • 11 篇 项莉
  • 9 篇 李彤
  • 9 篇 段云
  • 9 篇 段宁
  • 9 篇 武予清
  • 9 篇 段利民
  • 9 篇 刘廷玺
  • 9 篇 张堃
  • 8 篇 刘英
  • 8 篇 李娜
  • 8 篇 巩中军
  • 8 篇 蒋月丽
  • 8 篇 李强
  • 8 篇 李静
  • 7 篇 zhong-ping duan
  • 7 篇 张聪明

语言

  • 1,947 篇 中文
  • 241 篇 英文
检索条件"作者=DUAN Li-zhong 1 college of management"
2188 条 记 录,以下是1-10 订阅
排序:
The Study of the Rough Set Neural Networks Based on SOFM
The Study of the Rough Set Neural Networks Based on SOFM
收藏 引用
2011 International Conference on Business management and Electronic Information(BMEI 2011)
作者: duan li-zhong 1 college of management Beijing University of Chinese Medicine Beijing China duan Gu-na 2 college of Mechanical and Electronical Engineering North China University of Technology Beijing China duan Jun 3 University of Science and Technology Inner Mongolia Baotou China ZHANG Ying 4 college of management Beijing University of Chinese Medicine Beijing China GENG Hao 5 college of management Beijing University of Chinese Medicine Beijing China XUAN Chun-yu 6 college of management Beijing University of Chinese Medicine Beijing China
Objective:This paper refers to a New Rough Set neural network based on *** model perfectly solves many problems,such as the effects of training sample size and sample quality on accuracy of artificial neural ***,the n... 详细信息
来源: cnki会议 评论
CPL-active hybrid copper(Ⅰ)halides enabled by cation inclusion with chiral crown-ether
收藏 引用
Science China Chemistry 2024年 第10期67卷 3283-3290页
作者: Peng Fan li-Xuan Cai Xiao-Fang duan Fan Yin Chen-Chen li zhong-Hua Deng Xiao-Zhen li Qing-Fu Sun college of Chemistry and Materials Science Fujian Normal UniversityFuzhou 350117China Strait Institute of Flexible Electronics(Future Technologies) Fujian Key Laboratory of Flexible ElectronicsFujian Normal University and Strait Laboratory of Flexible ElectronicsFuzhou 350117China State Key Laboratory of Structural Chemistry Fujian Institute of Research on the Structure of MatterChinese Academy of SciencesFuzhou 350002China Fujian college University of Chinese Academy of SciencesFuzhou 350002China
Chiral hybrid metal halides with high photoluminescence quantum yield(PLQY)and superior dissymmetry factor(g_(lum))are promising candidates for circularly polarized luminescence(CPL)emitting ***,it is a great challeng... 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 PHYB–FOF2–VOZ2 module functions to finetune flowering in response to changes in light quality by modulating FLC expression in Arabidopsis
收藏 引用
Plant Communications 2024年 第7期5卷 231-250页
作者: lina Qu Ming zhong Feifei duan Xinmei li Jiaxin Yang Quanyu Zhou Dongying Tang Reqing He Xuanming liu Xiaoying Zhao college of Biology Hunan Province Key Laboratory of Plant Functional Genomics and Developmental RegulationHunan Engineering and Technology Research Center of Hybrid RapeseedHunan UniversityChangsha 410082China Shenzhen Institute Hunan UniversityShenzhen 518057China These authors contributed equally to this article
Proper timing of flowering under different environmental conditions is critical for plant *** quality is a pivotal environmental cue that plays a critical role in flowering *** tend to flower late under light with a h... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
A nano-sheet graphene-based enhanced thermal radiation composite for passive heat dissipation from vehicle batteries
收藏 引用
Nano Materials Science 2024年 第4期6卷 443-455页
作者: Ji-Xiang Wang Christopher Salmean Jiaxin li Chaojie Lei Jun li Mingliang zhong Bo Qi Yufeng Mao Hebei Key Laboratory of Man-machine Environmental Thermal Control Technology and Equipment Hebei Vocational University of Technology and Engineering college of Electrical Energy and Power EngineeringYangzhou University Department of Mechanical and Aerospace Engineering The Hong Kong University of Science and Technology Taizhou Wavexploration Energy Ltd. Department of Electrical and Computer Engineering University of Toronto China Academy of Launch Vehicle Technology Beijing Sino-Spark Technology Co. Ltd. School of Environmental Science and Engineering Suzhou University of Science and Technology Institute of Optics and Electronics Chinese Academy of Sciences National Key Laboratory of Optical Field Manipulation Science and Technology Chinese Academy of Sciences
In response to thermal runaway(TR) of electric vehicles, recent attention has been focused on mitigation strategies such as efficient heat dredging in battery thermal management. Thermal management with particular foc... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
Specialization and Coordination: New Paradigm, Theory, and Path for Regional Development
收藏 引用
China Economist 2024年 第1期19卷 76-85页
作者: Lu Ming Xiang Kuanhu li Pengfei li Jiewei zhong Yuejun Antai college of Economics&management Shanghai Jiao Tong UniversityShanghaiChina School of Economics Shanghai UniversityShanghai School of Economics and management Shanghai Maritime UniversityShanghai Faculty of Economics and management East China Normal UniversityShanghai
In its new development stage,China seeks to derive new dynamism from reform and opening up at a higher level to boost consumption and *** process coincides with a further differentiation of comparative advantages acro... 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
Efficacy of Raw Corn Starch in Insulinoma-Related Hypoglycemia:A Promising Supportive Therapy
收藏 引用
Chinese Medical Sciences Journal 2024年 第2期39卷 102-110页
作者: Rong-Rong li Wei Chen Xin-Hua Xiao Miao Yu Fan Ping lian duan Department of Clinical Nutrition Beijing Key Laboratory of the Innovative Development of Functional Staple and the Nutritional Intervention for Chronic DiseaseChinese Academy of Medical Sciences&Peking Union Medical CollegeBeijing 100730China Department of Endocrinology Peking Union Medical College HospitalChinese Academy of Medical Sciences&Peking Union Medical CollegeBeijing 100730China
Objective To investigate the efficacy of raw corn starch(RCS)in clinical management of insulinoma-induced *** We retrospectively collected clinical data of insulinoma patients who received RCS-supplemented diet preope... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Hepatic Zbtb18 (Zinc Finger and BTB Domain Containing 18) alleviates hepatic steatohepatitis via FXR (Farnesoid X Receptor)
收藏 引用
Signal Transduction and Targeted Therapy 2024年 第2期9卷 766-781页
作者: Lei Zhang Jiabing Chen Xiaoying Yang Chuangpeng Shen Jiawen Huang Dong Zhang Naihua liu Chaonan liu Yadi zhong Yingjian Chen Kaijia Tang Jingyi Guo Tianqi Cui Siwei duan Jiayu li Shangyi Huang Huafeng Pan Huabing Zhang Xiaoqiang Tang Yongsheng Chang Yong Gao State Key Laboratory of Traditional Chinese Medicine Syndrome Science and Technology Innovation CenterGuangzhou University of Chinese MedicineGuangzhouChina Key Laboratory of Immune Microenvironment and Disease(Ministry of Education) Tianjin Key Laboratory of Cellular Homeostasis and DiseaseDepartment of Physiology and PathophysiologyTianjin Medical UniversityTianjinChina Jiangsu Key Laboratory of Immunity and Metabolism Department of Pathogen Biology and ImmunologyJiangsu International Laboratory of Immunity and MetabolismXuzhou Medical UniversityXuzhouChina Department of Endocrinology The First Clinical CollegeGuangzhou University of Chinese MedicineGuangdongChina The Fourth Clinical Medical college of Guangzhou University of Chinese Medicine ShenzhenChina Jiangsu Collaborative Innovation Center of Traditional Chinese Medicine in Prevention and Treatment of Tumor Nanjing University of Chinese MedicineNanjingChina Department of Biochemistry and Molecular Biology Metabolic Disease Research CenterSchool of Basic MedicineAnhui Medical UniversityHefeiChina Key Laboratory of Birth Defects and Related Diseases of Women and Children of MOE State Key Laboratory of BiotherapyWest China Second University HospitalSichuan UniversityChengduChina
A lasting imbalance between fatty acid synthesis and consumption leads to non-alcoholic fatty liver disease(NAFLD),coupled with hepatitis and insulin *** the details of the underlying mechanisms are not fully ***,we u... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Quantification of irrigation water transport processes in ZiZiphus jujuba garden using water stable isotopes
收藏 引用
Journal of Mountain Science 2024年 第10期21卷 3263-3274页
作者: zhong Xiaofei ZHANG Mingjun CHE Cunwei liU Zechen li Beibei ZHANG Yuanyuan college of Geography and Environmental Science Northwest Normal UniversityLanzhou 730000China Key Laboratory of Resource Environment and Sustainable Development of Oasis Lanzhou 730000China
ZiZiphus jujuba,which is native to China,has become one of the main crops widely planted in the western Loess Plateau because of its drought and flood-tolerance,adaptability,and higher nutritional value of the *** irr... 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
Advances in methane emissions from agricultural sources:Part *** and mitigation
收藏 引用
Journal of Environmental Sciences 2024年 第6期140卷 279-291页
作者: Xiaokun Wu Ying Zhang Yinghui Han Yagang Zhang Yuhang Zhang Xiaodan Cheng Pei zhong Xue Yuan Yuanxun Zhang Zhengqiang li State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources North China Electric Power UniversityBeijing 102206China Hebei Key Laboratory of Physics and Energy Technology North China Electric Power UniversityBaoding 071003China college of Resources and Environment University of Chinese Academy of SciencesBeijing 101408China Interdisciplinary Mathematics Institute University of South CarolinaColumbiaSC 29208United States Aerospace Information Research Institute Chinese Academy of SciencesBeijing 100094China
Methane is one of the major greenhouse gases(GHGs)and agriculture is recognized as its primary *** accounting is a prerequisite for developing effective agriculture mitigation *** this review,methane accounting method... 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 Study on the Assessment and Integration of Multi-Source Evapotranspiration Products over the Tibetan Plateau
收藏 引用
Advances in Atmospheric Sciences 2024年 第3期41卷 435-448页
作者: Ming CHENG Lei zhong Yaoming MA Han MA Yaoxin CHANG Peizhen li Meilin CHENG Xian WANG Nan GE School of Earth and Space Sciences University of Science and Technology of ChinaHefei 230026China CAS Center for Excellence in Comparative Planetology Hefei 230026China Jiangsu Collaborative Innovation Center for Climate Change Nanjing 210023China Frontiers Science Center for Planetary Exploration and Emerging Technologies University of Science and Technology of ChinaHefei 230026China Land-Atmosphere Interaction and its Climatic Effects Group State Key Laboratory of Tibetan Plateau Earth SystemResources and Environment(TPESRE)Institute of Tibetan Plateau ResearchChinese Academy of SciencesBeijing 100101China college of Earth and Planetary Sciences University of Chinese Academy of SciencesBeijing 100049China college of Atmospheric Science Lanzhou UniversityLanzhou 730000China National Observation and Research Station for Qomolongma Special Atmospheric Processes and Environmental Changes Dingri 858200China Kathmandu Center of Research and Education Chinese Academy of SciencesBeijing 100101China China-Pakistan Joint Research Center on Earth Sciences Chinese Academy of SciencesIslamabad 45320Pakistan
Evapotranspiration(ET)is a crucial variable in the terrestrial water,carbon,and energy *** present,a large number of multi source ET products *** to sparse observations,however,great challenges exist in the evaluation... 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