咨询与建议

限定检索结果

文献类型

  • 241,537 篇 期刊文献
  • 38,242 篇 会议
  • 27 册 图书
  • 2 篇 学位论文

馆藏范围

  • 279,797 篇 电子文献
  • 13 种 纸本馆藏

日期分布

学科分类号

  • 128,470 篇 工学
    • 20,402 篇 材料科学与工程(可...
    • 15,624 篇 化学工程与技术
    • 14,081 篇 机械工程
    • 11,032 篇 计算机科学与技术...
    • 8,888 篇 软件工程
    • 8,724 篇 控制科学与工程
    • 7,877 篇 仪器科学与技术
    • 7,748 篇 电子科学与技术(可...
    • 7,032 篇 土木工程
    • 6,072 篇 水利工程
    • 5,893 篇 信息与通信工程
    • 5,509 篇 动力工程及工程热...
    • 5,475 篇 地质资源与地质工...
    • 5,152 篇 交通运输工程
  • 55,628 篇 理学
    • 12,535 篇 数学
    • 10,119 篇 生物学
    • 9,470 篇 化学
    • 6,961 篇 物理学
  • 54,321 篇 医学
    • 30,645 篇 临床医学
    • 7,825 篇 中西医结合
    • 6,367 篇 药学(可授医学、理...
    • 5,875 篇 基础医学(可授医学...
    • 4,836 篇 公共卫生与预防医...
  • 25,159 篇 管理学
    • 11,948 篇 管理科学与工程(可...
    • 5,832 篇 公共管理
    • 5,037 篇 工商管理
  • 21,845 篇 农学
    • 7,141 篇 作物学
  • 17,359 篇 教育学
    • 9,689 篇 教育学
    • 6,165 篇 体育学
  • 12,951 篇 经济学
    • 11,309 篇 应用经济学
  • 9,264 篇 法学
  • 7,628 篇 文学
  • 2,513 篇 哲学
  • 2,448 篇 历史学
  • 2,267 篇 艺术学
  • 1,181 篇 军事学

主题

  • 4,070 篇 中国
  • 1,866 篇 治疗
  • 1,209 篇 应用
  • 1,201 篇 诊断
  • 1,029 篇 高校
  • 908 篇 设计
  • 875 篇 of
  • 809 篇 稀土
  • 723 篇 仿真
  • 662 篇 大鼠
  • 588 篇 数值模拟
  • 570 篇 数学模型
  • 570 篇 大学生
  • 552 篇 测定
  • 551 篇 合成
  • 549 篇 对策
  • 522 篇 发展
  • 501 篇 分析
  • 499 篇 磁共振成像
  • 492 篇 美国

机构

  • 3,596 篇 上海交通大学
  • 2,662 篇 四川大学
  • 2,630 篇 山东大学
  • 2,481 篇 同济大学
  • 2,271 篇 武汉大学
  • 1,793 篇 天津大学
  • 1,703 篇 武汉理工大学
  • 1,646 篇 华东师范大学
  • 1,550 篇 中国科学技术大学
  • 1,450 篇 华中科技大学
  • 1,329 篇 华南理工大学
  • 1,308 篇 浙江大学
  • 1,269 篇 清华大学
  • 1,233 篇 苏州大学
  • 1,209 篇 上海大学
  • 1,193 篇 西南师范大学
  • 1,179 篇 中国地质大学
  • 1,104 篇 西南交通大学
  • 1,046 篇 四川农业大学
  • 1,006 篇 北京大学

作者

  • 5,897 篇 china
  • 739 篇 china)
  • 667 篇 p.r.china
  • 637 篇 beijing
  • 284 篇 chinese academy ...
  • 193 篇 shanghai
  • 150 篇 p. r. china
  • 138 篇 李伟
  • 134 篇 tsinghua univers...
  • 133 篇 张伟
  • 119 篇 李军
  • 116 篇 wuhan
  • 108 篇 china.
  • 98 篇 王伟
  • 93 篇 王勇
  • 89 篇 王军
  • 88 篇 2 graduate unive...
  • 87 篇 changsha
  • 87 篇 张磊
  • 86 篇 刘伟

语言

  • 191,750 篇 中文
  • 88,054 篇 英文
  • 4 篇 日文
检索条件"作者=P.R. china 730000"
279808 条 记 录,以下是1-10 订阅
排序:
A plant programming of the Main Food Crops in china
A Plant Programming of the Main Food Crops in China
收藏 引用
亚洲精细农业与计算机农业应用联合大会
作者: Yaxiong Chen rui Guo Wenlong Zhao Weihong Zhou Chaojie Jia Guojun Sun MOE Key Laboratory of Arid and Grassland Ecology School of Life Science Lanzhou University Lanzhou Gansu province p.r. china 730000
china, like most developing countries, face great challenges from its huge populations, ensuring food security have always been vital because the Chinese government that still thinks of grain as the basis of national ... 详细信息
来源: cnki会议 评论
Grey physical Input-output Analysis
Grey Physical Input-output Analysis
收藏 引用
第六届(2011)中国管理学年会——系统管理与复杂性科学分会场
作者: Qiao-Xing Lia,b and Si-Feng Liuba) School of Management, Lanzhou University, Lanzhou, Gansu province, p.r. china, (730000) b) College of economics and management, Nanjing University of Aeronautics and Astronautics, Nan-jing, Jiangsu province, p.r. china, (210016)
A system whose information is p.r.ially known and p.r.ially unknown is named as a grey system and it has been applied in many fields. National economy can be viewed as a grey system. By using the physical input-output... 详细信息
来源: cnki会议 评论
Cardiovascular risk Factors in china
收藏 引用
Journal of Geriatric Cardiology 2024年 第2期21卷 153-199页
作者: Sheng-Shou HU the Writing Committee of the rep.r. on Cardiovascular Health and Diseases in china Fuwai Hospital National Center for Cardiovascular DiseasesChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina 不详
The Annual rep.r. on Cardiovascular Health and Diseases in china(2022) intricate landscape of cardiovascular health in china. This section dissects cardiovascular risk factors in china which including hyp.r.ension, dy... 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
Heart failure in china:epidemiology and current management
收藏 引用
Journal of Geriatric Cardiology 2024年 第6期21卷 631-641页
作者: Sheng-Shou HU the Writing Committee of the rep.r. on Cardiovascular Health and Diseases in china Fuwai Hospital National Center for Cardiovascular DiseasesChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina
The Annual rep.r. on Cardiovascular Health and Diseases in china(2022)intricate landscape of cardiovascularhealth in *** connection with the previous section,this sixth section of the rep.r. offers a comprehensive ana... 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
pulmonary embolism and deep venous thrombosis in china
收藏 引用
Journal of Geriatric Cardiology 2024年 第8期21卷 775-778页
作者: Sheng-Shou HU the Writing Committee of the rep.r. on Cardiovascular Health and Diseases in china Fuwai Hospital National Center for Cardiovascular DiseasesChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina 不详
The Annual rep.r. on Cardiovascular Health and Diseases in china(2022) intricate landscape of cardiovascular health in *** connection with the previous section,this eighth section of the rep.r. offers a comprehensive ... 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
2023 Annual rep.r. of china's pap.r.Industry
收藏 引用
造纸信息 2024年 第10期 134-146页
作者: china pap.r.Association china pap.r.Association
According to statistics, the total production of pulp, pap.r.& board, pap.r.products was 291.39 million tons in 2023, increased by 2.63% year-on-year. In which, the production of pap.r.& board was 129.65 million tons,...
来源: 同方期刊数据库 同方期刊数据库 评论
real-World Treatment Adherence to Smoking Cessation Medications and Association with Treatment Outcome—27 Centers,china,2017–2022
收藏 引用
china CDC weekly 2024年 第22期6卷 522-529,I0001-I0003页
作者: Anqi Cheng Zhao Liu Xinmei Zhou Zheng Su Dan Xiao Chen Wang the china National Tobacco Cessation Cohort Study(CNTCCS)Study Group Dep.r.ment of Tobacco Control and prevention of resp.r.tory Disease Center of Respiratory MedicineChina-Japan Friendship Hospital/WHO Collaborating Center for Tobacco Cessation and Respiratory Diseases Prevention/National Center for Respiratory Medicine/National Clinical Research Center for Respiratory Diseases/Institute of Respiratory MedicineChinese Academy of Medical SciencesBeijingChina Dep.r.ment of pulmonary and Critical Care Medicine Center of Respiratory MedicineChina-Japan Friendship Hospital/WHO Collaborating Center for Tobacco Cessation and Respiratory Diseases Prevention/China National Center for Respiratory Medicine/China National Clinical Research Center for Respiratory DiseasesBeijingChina Chinese Academy of Medical Sciences and peking Union Medical College BeijingChina 不详
What is already known about this topic?Medication non-adherence significantly impedes smoking cessation *** effective smoking cessation medications are accessible in china,realworld adherence and its correlation with ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Community-based prevention and treatment of cardiovascular diseases
收藏 引用
Journal of Geriatric Cardiology 2024年 第3期21卷 315-322页
作者: Sheng-Shou HU The Writing Committee of the rep.r. on Cardiovascular Health and Diseases in china Fuwai Hospital National Center for Cardiovascular DiseasesChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina
The Annual rep.r. on Cardiovascular Health and Diseases in china(2022)intricate landscape of cardiovascular health in *** is the third section of the rep.r. with a specific focus on community-based prevention and trea... 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
rep.r. on Cardiovascular Health and Diseases in china 2023:An Updated Summary
收藏 引用
Biomedical and Environmental Sciences 2024年 第9期37卷 949-992页
作者: National Center for Cardiovascular Diseases The Writing Committee of the rep.r. on Cardiovascular Health and Diseases in china Shengshou Hu .
Since 1990,china has made considerable progress in resolving the problem of“treatment difficulty”of cardiovascular diseases(CVD).The prevalent unhealthy lifestyle among Chinese residents has exposed a massive prop.r...
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
GULLY-SpECIFIC DEBrIS FLOW HAZArD ASSESSMENT IN china
收藏 引用
Chinese Geographical Science 2003年 第2期13卷 112-118页
作者: LIU Xi-lin (Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, C hengdu 610041, p.r. china) Institute of Mountain Hazards and Environment Chinese Academy of Sciences Chengdu P. R. China
Techniques of gully-specific debris flow hazard assessment develope d in four p.r.ods since the end of the 1980s have been discussed in the present pap.r. The improvement for the emp.r.cal assessment method is the sec... 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