咨询与建议

限定检索结果

文献类型

  • 190,518 篇 期刊文献
  • 1,612 篇 会议

馆藏范围

  • 192,130 篇 电子文献
  • 0 种 纸本馆藏

日期分布

学科分类号

  • 88,487 篇 工学
    • 15,589 篇 材料科学与工程(可...
    • 12,097 篇 化学工程与技术
    • 10,618 篇 机械工程
    • 8,417 篇 电气工程
    • 8,375 篇 计算机科学与技术...
    • 6,723 篇 电子科学与技术(可...
    • 6,447 篇 环境科学与工程(可...
    • 6,201 篇 动力工程及工程热...
    • 5,121 篇 仪器科学与技术
    • 5,091 篇 土木工程
    • 5,038 篇 控制科学与工程
    • 4,950 篇 软件工程
    • 4,835 篇 水利工程
    • 4,529 篇 生物医学工程(可授...
    • 4,417 篇 地质资源与地质工...
  • 68,138 篇 医学
    • 41,330 篇 临床医学
    • 9,980 篇 中西医结合
    • 8,830 篇 药学(可授医学、理...
    • 8,576 篇 公共卫生与预防医...
    • 7,231 篇 基础医学(可授医学...
    • 5,658 篇 中药学(可授医学、...
    • 4,870 篇 医学技术(可授医学...
  • 39,358 篇 理学
    • 13,360 篇 化学
    • 10,893 篇 生物学
    • 8,876 篇 物理学
    • 4,544 篇 生态学
  • 24,619 篇 农学
    • 7,864 篇 作物学
    • 5,399 篇 农业资源与环境
  • 10,953 篇 管理学
    • 4,543 篇 公共管理
  • 6,374 篇 教育学
    • 4,559 篇 教育学
  • 4,834 篇 经济学
  • 2,437 篇 法学
  • 2,293 篇 文学
  • 1,378 篇 历史学
  • 1,279 篇 艺术学
  • 561 篇 哲学
  • 544 篇 军事学

主题

  • 1,414 篇 影响因素
  • 1,095 篇 数值模拟
  • 1,007 篇 产量
  • 986 篇 预后
  • 840 篇 大鼠
  • 765 篇 儿童
  • 758 篇 危险因素
  • 584 篇 力学性能
  • 529 篇 磁共振成像
  • 462 篇 应用
  • 446 篇 合成
  • 443 篇 诊断
  • 438 篇 治疗
  • 432 篇 老年人
  • 407 篇 水稻
  • 397 篇 凋亡
  • 389 篇 细胞凋亡
  • 375 篇 糖尿病
  • 366 篇 小鼠
  • 341 篇 综述

机构

  • 1,255 篇 中国科学院大学
  • 1,162 篇 北京大学
  • 1,155 篇 上海交通大学
  • 1,153 篇 四川大学
  • 1,098 篇 清华大学
  • 941 篇 吉林大学
  • 893 篇 北京中医药大学
  • 841 篇 中国地质大学
  • 836 篇 西北农林科技大学
  • 836 篇 武汉大学
  • 834 篇 西安交通大学
  • 816 篇 中南大学
  • 806 篇 浙江大学
  • 789 篇 山东大学
  • 779 篇 中国矿业大学
  • 749 篇 同济大学
  • 731 篇 天津大学
  • 723 篇 中国农业大学
  • 710 篇 华中科技大学
  • 667 篇 中国石油大学

作者

  • 3,300 篇 张媛
  • 1,244 篇 张媛媛
  • 1,060 篇 张伟
  • 968 篇 张磊
  • 889 篇 张园
  • 836 篇 张源
  • 836 篇 张元
  • 804 篇 李媛
  • 768 篇 张远
  • 740 篇 张涛
  • 671 篇 张静
  • 663 篇 张敏
  • 616 篇 张鹏
  • 602 篇 张杰
  • 562 篇 张勇
  • 555 篇 张健
  • 491 篇 张超
  • 483 篇 张辉
  • 475 篇 袁媛
  • 459 篇 张军

语言

  • 179,388 篇 中文
  • 12,742 篇 英文
检索条件"作者=Hong-yuan Zhang"
192130 条 记 录,以下是1-10 订阅
排序:
A stable one-point quadrature rule for three-dimensional numerical manifold method
收藏 引用
Science China(Technological Sciences) 2024年 第5期67卷 1401-1416页
作者: zhang Ning ZHENG hong YANG Liang WU WenAn yuan Chi School of Civil Engineering Qinghai UniversityQinghai810016China Key Laboratory of Urban Security and Disaster Engineering Ministry of EducationBeijing University of TechnologyBeijing100124China Faculty of Engineering China University of GeoscienceWuhan430074China
We present a numerically stable one-point quadrature rule for the stiffness matrix and mass matrix of the three-dimensional numerical manifold method(3D NMM).The rule simplifies the integration over irregularly shaped... 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
Assessing myocardial indices and inflammatory factors to determine anxiety and depression severity in patients with chronic heart failure
收藏 引用
World Journal of Psychiatry 2024年 第1期14卷 53-62页
作者: Li zhang Qiang Wang hong-Sheng Cui yuan-yuan Luo Department of Cardiology Jingzhou HospitalYangtze UniversityJingzhou 434020Hubei ProvinceChina Department of Intensive Care Unit The First Affiliated Hospital of Guangzhou University of Chinese MedicineGuangzhou 510000Guangdong ProvinceChina
BACKGROUND Patients with chronic heart failure(CHF)have a progressive disease that is associated with poor quality of life and high *** patients experience anxiety and depression(A&D)symptoms,which can further acceler... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Research Progress in the Fabrication of Covalent Organic Framework Membranes for Chemical Separations
收藏 引用
Chinese Journal of Polymer Science 2024年 第2期42卷 141-158,I0005页
作者: Cui-Ting Ding Jin-Qiu yuan Meng-Ying Xie Qing-yuan Liu Zeng-Guang Yao Shi-Yu zhang Run-Nan zhang hong Wu Zhong-Yi Jiang Key Laboratory for Green Chemical Technology of Ministry of Education School of Chemical Engineering and TechnologyTianjin UniversityTianjin300072China Zhejiang Institute of Tianjin University NingboZhejiang315201China Haihe Laboratory of Sustainable Chemical Transformations Tianjin300192China Tianjin Key Laboratory of Membrane Science and Desalination Technology Tianjin UniversityTianjin300072China Joint School of National University of Singapore and Tianjin University International Campus of Tianjin UniversityBinhai New CityFuzhou350207China
Membrane technology has become one of the most promising separation technologies for its energy saving, high separation efficiency, environmental friendliness, and economic feasibility. Covalent organic frameworks(COF... 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
Difluoromethyl phenoxathiinium salt: A new general and versatile difluoromethylating reagent with divergent ·CF_(2)H, CF_(2)H^(+), and :CF_(2) reactivities
收藏 引用
Science China Chemistry 2024年 第3期67卷 953-962页
作者: yuan-Qing Gu hong-Xin Long Dan-Dan zhang Mei-Feng Ruan Guo-Kai Liu School of Pharmacy Shenzhen University Medical SchoolShenzhen UniversityShenzhen 518055China
Development of practical and versatile electrophilic difluoromethylating reagent is still a grand challenge so far due to its inherent instability or low ***,we report the design and synthesis of difluoromethyl phenox... 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
Malvidin Mitigates Sepsis-induced Cardiac Injury by Modulating the TLR4-iNOS-COX-2 Inflammatory Pathway and the Bax/Bcl-2/Cyto-C Mitochondrial Apoptosis Pathway in a p38 MAPK-dependent Manner
收藏 引用
Biomedical and Environmental Sciences 2024年 第2期37卷 221-227页
作者: zhang Wei yuan Si Long QIANG Jing Chao HUANG He LI Da SUN Ying zhang hong Gang Department of Vascular Surgery The First People’s Hospital of LianyungangLianyungang 222005JiangsuChina Jiangsu Key Laboratory of Marine Pharmaceutical Compound Screening College of PharmacyJiangsu Ocean UniversityLianyungang 222005JiangsuChina Jinzhou Medical University postgraduate training base(Lianyungang First People’s Hospital) Lianyungang 222005JiangsuChina
In critical care medicine,sepsis is a dangerous systemic condition that is highly prevalent and is associated with high morbidity and mortality rates^([1]).The high mortality rate associated with sepsis is closely rel... 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
Risk factors for recurrence of common bile duct stones after surgical treatment and effect of ursodeoxycholic acid intervention
收藏 引用
World Journal of Gastrointestinal Surgery 2024年 第1期16卷 103-112页
作者: Wei-hong yuan Zheng zhang Qi Pan Bo-Neng Mao Tao yuan Department of Gastroenterology Yixing People’s HospitalYixing 214200Jiangsu ProvinceChina
BACKGROUND Endoscopic retrograde cholangiopancreatography(ERCP)is an accurate diagnostic method for choledocholithiasis and treatment option for stone ***,ursodeoxycholic acid(UDCA)can dissolve cholesterol stones and ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Understanding the Thermal Impedance of Silicone Rubber/Hexagonal Boron Nitride Composites as Thermal Interface Materials
收藏 引用
Chinese Journal of Polymer Science 2024年 第3期42卷 352-363,I0008页
作者: yuan Ji Shi-Da Han hong Wu Shao-Yun Guo Feng-Shun zhang Jian-Hui Qiu The State Key Laboratory of Polymer Materials Engineering Sichuan Provincial Engineering Laboratory of Plastic/Rubber Complex Processing TechnologyPolymer Research InstituteSichuan UniversityChengdu 610065China Institute of Chemical Materials China Academy of Engineering PhysicsMianyang 621900China Department of Mechanical Engineering Faculty of Systems Science and TechnologyAkita Prefectural UniversityAkita 015-0055Japan
Silicone rubber(SR) composites are most widely used as thermal interface materials(TIMs) for electronics heat dissipation. Thermal impedance as the main bottleneck limiting the performance of TIMs is usually neglected... 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-frequency repetitive transcranial magnetic stimulation promotes neural stem cell proliferation after ischemic stroke
收藏 引用
Neural Regeneration Research 2024年 第8期19卷 1772-1780页
作者: Jing Luo yuan Feng Zhongqiu hong Mingyu Yin Haiqing Zheng Liying zhang Xiquan Hu Department of Rehabilitation Medicine The Third Affiliated HospitalSun Yat-sen UniversityGuangzhouGuangdong ProvinceChina Department of Hepatobiliary Surgery The Third Affiliated HospitalSun Yat-sen UniversityGuangzhouGuangdong ProvinceChina
Prolife ration of neural stem cells is crucial for promoting neuronal regeneration and repairing cerebral infarction *** magnetic stimulation(TMS)has recently emerged as a tool for inducing endogenous neural stem cell... 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
Changes in global land surface frozen ground and freeze-thaw processes during 1950-2020 based on ERA5-Land data
收藏 引用
Advances in Climate Change Research 2024年 第2期15卷 265-274页
作者: Yong YANG Ren-Sheng CHEN Yong-Jian DING hong-yuan LI zhang-Wen LIU Qilian Alpine Ecology and Hydrology Research Station Key Laboratory of Ecological Safety and Sustainable Development in Arid LandsNorthwest Institute of Eco-Environment and ResourcesChinese Academy of SciencesLanzhou 73000China State Key Laboratory of Cryospheric Sciences Northwest Institute of Eco-Environment and ResourcesChinese Academy of SciencesLanzhou 73000China Shandong Provincial Key Laboratory of Water and Soil Conservation and Environmental Protection College of Resources and EnvironmentLinyi UniversityLinyi 276000China
Frozen ground(FG)plays an important role in global and regional climates and environments through changes in land freeze-thaw processes,which have been conducted mainly in different ***,the changes in land surface fre... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Relationships between blood chromium exposure and liver injury:Exploring the mediating role of systemic inflammation in a chromate-exposed population
收藏 引用
Journal of Environmental Sciences 2024年 第9期143卷 224-234页
作者: Zekang Su Yali zhang Shiyi hong Qiaojian zhang Jiayu Xu Guiping Hu Xiaojun Zhu Fang yuan Shanfa Yu Tianchen Wang Guang Jia Department of Occupational and Environmental Health Sciences School of Public HealthPeking UniversityBeijing 100191China School of Engineering Medicine and Beijing Advanced Innovation Center for Big Data-Based Precision Medicine Beihang UniversityBeijing 100191China National Center for Occupational Safety and Health Beijing 102308China Department of Occupational Health and Radiological Health Chongqing Centers for Disease Control and PreventionChongqing 400042China Henan Institute for Occupational Medicine Zhengzhou 450052China Department of Clinical Laboratory Third Hospital of Peking UniversityBeijing 100191China
Hexavalent chromium and its compounds are prevalent pollutants,especially in the work environment,pose a significant risk for multisystem toxicity and *** it is known that chromium accumulation in the liver can cause ... 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