咨询与建议

限定检索结果

文献类型

  • 49,744 篇 期刊文献
  • 306 篇 会议
  • 2 册 图书
  • 2 篇 学位论文

馆藏范围

  • 50,054 篇 电子文献
  • 0 种 纸本馆藏

日期分布

学科分类号

  • 23,192 篇 医学
    • 16,002 篇 临床医学
    • 3,788 篇 中西医结合
    • 3,335 篇 药学(可授医学、理...
    • 2,552 篇 中药学(可授医学、...
    • 2,466 篇 基础医学(可授医学...
    • 1,830 篇 医学技术(可授医学...
    • 1,771 篇 公共卫生与预防医...
    • 1,302 篇 中医学
  • 19,649 篇 工学
    • 3,654 篇 材料科学与工程(可...
    • 2,716 篇 机械工程
    • 2,655 篇 化学工程与技术
    • 1,812 篇 计算机科学与技术...
    • 1,666 篇 生物医学工程(可授...
    • 1,515 篇 环境科学与工程(可...
    • 1,444 篇 水利工程
    • 1,434 篇 地质资源与地质工...
    • 1,425 篇 电子科学与技术(可...
    • 1,353 篇 电气工程
    • 1,313 篇 生物工程
    • 1,240 篇 土木工程
    • 1,175 篇 动力工程及工程热...
    • 1,157 篇 仪器科学与技术
  • 10,773 篇 理学
    • 3,928 篇 化学
    • 3,734 篇 生物学
    • 2,315 篇 物理学
    • 1,134 篇 生态学
  • 7,980 篇 农学
    • 2,356 篇 作物学
    • 1,368 篇 畜牧学
    • 1,268 篇 农业资源与环境
    • 1,150 篇 园艺学
  • 1,595 篇 管理学
  • 750 篇 教育学
  • 668 篇 经济学
  • 255 篇 法学
  • 248 篇 艺术学
  • 99 篇 文学
  • 67 篇 军事学
  • 60 篇 历史学
  • 29 篇 哲学

主题

  • 679 篇 大鼠
  • 469 篇 数值模拟
  • 281 篇 预后
  • 244 篇 小鼠
  • 182 篇 凋亡
  • 176 篇 疗效
  • 169 篇 儿童
  • 163 篇 腹腔镜
  • 148 篇 细胞凋亡
  • 147 篇 并发症
  • 134 篇 化学成分
  • 115 篇 危险因素
  • 110 篇 治疗
  • 107 篇 产量
  • 92 篇 组织工程
  • 91 篇 糖尿病
  • 87 篇 生长性能
  • 85 篇 脑出血
  • 84 篇 心力衰竭
  • 84 篇 免疫

机构

  • 248 篇 浙江大学
  • 241 篇 华中科技大学
  • 232 篇 上海交通大学
  • 181 篇 北京中医药大学
  • 179 篇 中南大学
  • 173 篇 同济大学
  • 167 篇 解放军总医院
  • 162 篇 东南大学
  • 156 篇 南京大学
  • 150 篇 南京农业大学
  • 143 篇 中国地质大学
  • 142 篇 北京大学
  • 138 篇 中国农业大学
  • 134 篇 华南理工大学
  • 131 篇 山东大学
  • 131 篇 西北农林科技大学
  • 128 篇 广西大学
  • 123 篇 中南大学湘雅医院
  • 123 篇 吉林大学
  • 123 篇 四川大学

作者

  • 207 篇 王胜
  • 148 篇 李胜
  • 67 篇 张胜
  • 65 篇 郭盛
  • 61 篇 张波
  • 58 篇 张敏
  • 55 篇 刘杰
  • 52 篇 刘胜
  • 40 篇 张岩
  • 40 篇 李岩
  • 40 篇 李燕
  • 40 篇 陈胜
  • 39 篇 张伟
  • 37 篇 刘娜
  • 36 篇 王东胜
  • 36 篇 刘升
  • 34 篇 杨超
  • 31 篇 张杰
  • 30 篇 盛军
  • 30 篇 陈鹏

语言

  • 46,425 篇 中文
  • 3,629 篇 英文
检索条件"作者=Sheng, X.d."
50054 条 记 录,以下是91-100 订阅
排序:
Recent progress in the deactivation mechanism of zeolite catalysts in methanol to olefins
收藏 引用
Science China Chemistry 2024年
作者: sheng Fan Han Wang Sen Wang Mei dong Weibin Fan State Key Laboratory of Coal Conversion Institute of Coal Chemistry Chinese Academy of Sciences University of Chinese Academy of Sciences
Methanol to olefins(MTO) as an important reaction in C1 chemistry can effectively transform non-petroleum carbon resources into value-added chemicals. Zeolites have been widely used as MTO catalysts. However, they usu...
来源: 同方期刊数据库 同方期刊数据库 评论
Efficacy and safety of Yangxinshi tablet for chronic heart failure:A systematic review and meta-analysis
收藏 引用
World Journal of Clinical Cases 2024年 第13期12卷 2218-2230页
作者: sheng-Hua Lu Yun-Feng Yu Si-Si dai Ya-Qi Hu Jian-He Liu The First Clinical College of Chinese Medicine Hunan University of Chinese MedicineChangsha 410007Hunan ProvinceChina Branch of National Clinical Research Center for Chinese Medicine Cardiology The First Hospital of Hunan University of Chinese MedicineChangsha 410007Hunan ProvinceChina
BACKGROUNd The specific benefits of Yangxinshi tablet(YxST)in the treating chronic heart failure(CHF)remain *** To systematically evaluate the efficacy and safety of YxST in the treatment of *** Randomized controlled ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Enhanced hydrogen evolution performance by 3d ordered macroporous Ru-CoP@NC electrocatalysts
收藏 引用
Rare Metals 2024年 第3期43卷 1095-1107页
作者: Chen-Chen Zhang sheng Wei Li-xian Sun Yi-Fang Ouyang Fen xu Hai-Liang Chu Hong-GePan Li-xin Chen xue-Zhang xiao School of Material Science and Engineering Guilin University of Electronic TechnologyGuilin541004China School of Chemistry and Chemical Engineering Guangxi UniversityNanning530004China Shenzhen Institute of Advanced Technology Chinese Academy of SciencesShenzhen518055GuangdongChina Institute of Science and Technology for New Energy Xi'an Technological UniversityXi'an710021China School of Materials Science and Engineering Zhejiang UniversityHangzhou310058China
Electrocatalytic water splitting coupled with sustainable energies is identified as an environmentally friendly and renewable strategy to generate high-quality hydrogen for the fuel ***,the main challenge is to develo... 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
Evaluating the Compatibility Mechanism of shengxian decoction Based on an Excretion Study of 18 Bioactive Constituents in Rat Biosamples
收藏 引用
World Journal of Traditional Chinese Medicine 2024年 第1期10卷 40-52页
作者: Tao Pang Nan Weng Yong Chen Cui-Yun Huang Mei Sun Feng Zhang Wan-sheng Chen department of Pharmacy Changzheng HospitalNaval Medical University(Second Military Medical University)ShanghaiChina department of Pharmacognosy Shenyang Pharmaceutical University ShenyangLiaoning ProvinceChina Traditional Chinese Medicine Resource and Technology Center Shanghai University of Traditional Chinese MedicineShanghaiChina
Introduction:The shengxian decoction(SxT),a Chinese herbal medication used to treat heart failure,is composed of Astragali Radix,Anemarrhenae Rhizoma,Bupleuri Radix,Cimicifuage Rhizoma,and Platycodonis *** of the excr... 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
Utilization of 3d printing technology in hepatopancreatobiliary surgery
收藏 引用
Journal of Zhejiang University-Science B(Biomedicine & Biotechnology) 2024年 第2期25卷 123-134页
作者: Wujiang SHI Jiangang WANG Jianjun GAO xinlei ZOU Qingfu dONG Ziyue HUANG Jialin sheng Canghai GUAN Yi xU Yunfu CUI xiangyu ZHONG department of Hepatopancreatobiliary Surgery the Second Affiliated Hospital of Harbin Medical UniversityHarbin150086China department of General Surgery Tangdu HospitalAir Force Medical UniversityXi’an710032China Key Laboratory of Basic Pharmacology of Ministry of Education Zunyi Medical UniversityZunyi563006China Key Laboratory of Functional and Clinical Translational Medicine Fujian Province UniversityXiamen Medical CollegeXiamen361000China department of Pathology Li Ka Shing Faculty of MedicineThe University of Hong KongHong KongChina Jiangsu Province Engineering Research Center of Tumor Targeted Nano diagnostic and Therapeutic Materials Yancheng Teachers UniversityYancheng224007China Key Laboratory of Biomarkers and In Vitro diagnosis Translation of Zhejiang Province Hangzhou310053China Key Laboratory of Gastrointestinal Cancer(Fujian Medical University) Ministry of EducationSchool of Basic Medical SciencesFujian Medical UniversityFuzhou350122China Key Laboratory of Myocardial Ischemia Harbin Medical UniversityMinistry of EducationHarbin150086China
The technology of three-dimensional(3d)printing emerged in the late 1970s and has since undergone considerable development to find numerous applications in mechanical engineering,industrial design,and *** biomedical s... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Sedimentary architecture of submarine channel-lobe systems under different seafloor topography:Insights from the Rovuma Basin offshore East Africa
收藏 引用
Petroleum Science 2024年 第1期21卷 125-142页
作者: Mei Chen sheng-He Wu Rui-Feng Wang Jia-Jia Zhang Peng-Fei xie Min Wang xiao-Feng Wang Ji-Tao Yu Qi-Cong xiong State Key Laboratory of Petroleum Resources and Prospecting China University of Petroleum(Beijing)Beijing102249China College of Geosciences China University of Petroleum(Beijing)Beijing102249China Faculty of Geosciences University of BremenBremen28359Germany MARUM-Center for Marine and Environmental Sciences University of BremenBremen28359Germany Research institute of Petroleum Exploration and development PetroChinaBeijing10083China School of Geosciences Yangtze UniversityWuhan 100083HubeiChina CNOdC Mozambique Ltd. Beijing 100034China
Seafloor topography plays an important role in the evolution of submarine ***,it is still not so clear how the shape of slope affects the three-dimensional(3-d)architecture of submarine *** this study,we analyze the e... 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 Catalog of ^(13)CO Clumps from the MWISP in l=10°–20°
收藏 引用
Research in Astronomy and Astrophysics 2024年 第5期24卷 218-234页
作者: xiaoyu Luo sheng Zheng Zhibo Jiang Zhiwei Chen Yao Huang Shuguang Zeng xiangyun Zeng Rui Zhang Chen Long Guangrong Zhou Jinbo Hu Center for Astronomy and Space Sciences China Three Gorges UniversityYichang 443000China College of Electrical Engineering and New Energy China Three Gorges UniversityYichang 443000China College of Science China Three Gorges UniversityYichang 443000China Purple Mountain Observatory Chinese Academy of SciencesNanjing 210023China
In this study, we present a catalog of molecular clumps extracted from ^(13)CO(J=1-0) emission data of the Milky Way Imaging Scroll Painting(MWISP) project. The data covers the inner Milky Way within the longitude ran... 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
Using Copula functions to predict climatic change impacts on floods in river source regions
收藏 引用
Advances in Climate Change Research 2024年 第3期15卷 406-418页
作者: Ting-xing CHEN Hai-Shen LYU Robert HORTON Yong-Hua ZHU Ren-sheng CHEN Ming-Yue SUN Ming-Wen LIU Yu LIN The National Key Laboratory of Water disaster Prevention College of Hydrology and Water ResourcesHohai UniversityNanjing 2098China College of Hydrology and Water Resources Hohai UniversityNanjing 210098China departmentof Agronomy lowa State UniversityAmes IA5oollUSA Qilian Alpine Eology and Hydrology Research Station Northwest Instiuteof Eco-Environmentand ReourcesChinese Academy of SciencesLanzhou0000 China
Flood frequency in river source regions is significantly affected by rainfall and snowmelt as part of climatic changes.A traditional univariate flood frequency analysis cannot reflect the complexity of floods,and when... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Identification and characterization of camptothecin tailoring enzymes in Nothapodytes tomentosa
收藏 引用
Journal of Integrative Plant Biology 2024年 第6期66卷 1158-1169页
作者: Yin Chen Jian-Ping Huang Yong-Jiang Wang Meng-Ling Tu Junheng Li Bingyan xu Guoqing Peng Jing Yang sheng-xiong Huang State Key Laboratory of Phytochemistry and Plant Resources in West China and Yunnan Key Laboratory of Natural Medicinal Chemistry Kunming Institute of BotanyChinese Academy of SciencesKunming 650201China University of Chinese Academy of Sciences Beijing 100049China Key Laboratory for Economic Plants and Biotechnology Kunming Institute of BotanyChinese Academy of SciencesKunming 650201China
Camptothecin is a complex monoterpenoid indole alkaloid with remarkable antitumor *** that two C-10 modified camptothecin derivatives,topotecan and irinotecan,have been approved as potent anticancer agents,there is a ... 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
Primordial black hole mass functions as a probe of cosmic origin
收藏 引用
Science China(Physics,Mechanics & Astronomy) 2024年 第5期67卷 164-171页
作者: Yi-Fu Cai Chengfeng Tang Geyu Mo sheng-Feng Yan Chao Chen xiao-Han Ma Bo Wang Wentao Luo damien A.Easson Antonino Marcianò deep Space Exploration Laboratory/School of Physical Sciences University of Science and Technology of ChinaHefei 230026China CAS Key Laboratory for Researches in Galaxies and Cosmology/department of Astronomy School of Astronomy and Space ScienceUniversity of Science and Technology of ChinaHefei 230026China Istituto Nazionale di Fisica Nucleare(INFN) Sezione di MilanoMilano 20146Italy diSAT Universitàdegli Studi dell'InsubriaComo 22100Italy Jockey Club Institute for Advanced Study The Hong Kong University of Science and TechnologyHong KongChina department of Physics Arizona State UniversityTempe 85287-1504USA department of Physics&Center for Field Theory and Particle Physics Fudan UniversityShanghai 200433China Laboratori Nazionali di Frascati INFN Via Enrico Fermi 541 Frascati(Roma)00044Italy INFN sezione Roma Tor Vergata Rome I-00133Italy School of Physics University of Electronic Science and Technology of ChinaChengdu11731China
We discuss a novel window to probe the origin of our universe via the mass functions of primordial black holes(PBHs).The mass functions of PBHs are simply estimated using the conventional Press-Schechter formalism for... 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