咨询与建议

限定检索结果

文献类型

  • 709,341 篇 期刊文献
  • 5,807 篇 会议
  • 19 篇 学位论文
  • 11 册 图书
  • 2 篇 报纸

馆藏范围

  • 715,177 篇 电子文献
  • 3 种 纸本馆藏

日期分布

学科分类号

  • 338,439 篇 工学
    • 57,733 篇 材料科学与工程(可...
    • 44,914 篇 机械工程
    • 40,314 篇 化学工程与技术
    • 38,342 篇 计算机科学与技术...
    • 34,337 篇 电气工程
    • 27,156 篇 电子科学与技术(可...
    • 23,732 篇 土木工程
    • 22,896 篇 软件工程
    • 22,774 篇 动力工程及工程热...
    • 21,966 篇 控制科学与工程
    • 20,687 篇 仪器科学与技术
    • 19,547 篇 环境科学与工程(可...
    • 17,815 篇 水利工程
    • 17,330 篇 建筑学
    • 17,188 篇 信息与通信工程
    • 16,301 篇 力学(可授工学、理...
  • 219,475 篇 医学
    • 135,541 篇 临床医学
    • 27,918 篇 中西医结合
    • 24,956 篇 公共卫生与预防医...
    • 24,604 篇 药学(可授医学、理...
    • 20,417 篇 基础医学(可授医学...
    • 16,726 篇 医学技术(可授医学...
  • 132,128 篇 理学
    • 43,603 篇 化学
    • 32,191 篇 生物学
    • 30,533 篇 物理学
  • 69,183 篇 农学
    • 20,347 篇 作物学
  • 58,421 篇 管理学
    • 24,054 篇 管理科学与工程(可...
    • 18,599 篇 公共管理
  • 36,377 篇 教育学
    • 26,983 篇 教育学
  • 23,521 篇 经济学
    • 20,569 篇 应用经济学
  • 18,487 篇 法学
  • 10,937 篇 文学
  • 6,425 篇 艺术学
  • 4,747 篇 历史学
  • 2,924 篇 哲学
  • 2,453 篇 军事学

主题

  • 4,337 篇 数值模拟
  • 4,121 篇 影响因素
  • 3,510 篇 预后
  • 3,271 篇 儿童
  • 3,010 篇 应用
  • 2,872 篇 诊断
  • 2,508 篇 治疗
  • 2,504 篇 大鼠
  • 2,487 篇 力学性能
  • 2,325 篇 产量
  • 2,312 篇 危险因素
  • 2,085 篇 对策
  • 2,054 篇 中国
  • 1,857 篇 磁共振成像
  • 1,846 篇 糖尿病
  • 1,809 篇 合成
  • 1,767 篇 教学改革
  • 1,585 篇 稳定性
  • 1,583 篇 疗效
  • 1,497 篇 综述

机构

  • 7,002 篇 浙江大学
  • 5,046 篇 清华大学
  • 5,007 篇 上海交通大学
  • 4,212 篇 四川大学
  • 4,128 篇 同济大学
  • 3,956 篇 福建农林大学
  • 3,849 篇 北京大学
  • 3,692 篇 中国科学院大学
  • 3,653 篇 武汉大学
  • 3,620 篇 中南大学
  • 3,532 篇 华南理工大学
  • 3,427 篇 华中科技大学
  • 3,308 篇 西安交通大学
  • 3,141 篇 西北工业大学
  • 3,096 篇 重庆大学
  • 3,033 篇 中山大学
  • 2,956 篇 南京大学
  • 2,931 篇 吉林大学
  • 2,852 篇 天津大学
  • 2,842 篇 复旦大学

作者

  • 4,096 篇 郑伟
  • 2,401 篇 李政
  • 1,935 篇 郑军
  • 1,711 篇 郑敏
  • 1,659 篇 郑磊
  • 1,585 篇 王征
  • 1,512 篇 郑涛
  • 1,494 篇 张政
  • 1,407 篇 王政
  • 1,397 篇 王铮
  • 1,286 篇 王正
  • 1,233 篇 郑毅
  • 1,231 篇 郑勇
  • 1,210 篇 郑刚
  • 1,113 篇 郑洁
  • 1,108 篇 郑超
  • 1,098 篇 李征
  • 1,087 篇 郑华
  • 1,075 篇 王峥
  • 1,018 篇 李铮

语言

  • 674,654 篇 中文
  • 40,511 篇 英文
  • 15 篇 日文
检索条件"作者=Da Zheng ZHOU"
715180 条 记 录,以下是1-10 订阅
排序:
A New Chromone Glycoside from Cassia siamea Lam.
收藏 引用
Chinese Chemical Letters 2001年 第8期12卷 703-704页
作者: Tai Sheng LU Yang Hua YI Shi Long MAO da zheng zhou Qiang Zhi XU Hai Feng TANG Shu Yu ZHANG Center of Marine Drug Research School of PharmacySecond Military Medical UniversityShanghai 200433
2-methyl-5-propyl-7, 12-dihydroxy chromone-12-O-β-D-glucopyranoside was isolated from the stem of Cassia siamea. The structure was elucidated by chemical and spectral evidences.
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
Physiological and psychological responses to tended plant communities with varying color characteristics
收藏 引用
Journal of Forestry Research 2024年 第1期35卷 183-201页
作者: Siyuan zheng Yanzhen zhou Haiyan Qu School of Architecture and Urban Planning Shenyang Jianzhu UniversityShenyang 110168People’s Republic of China
Exposure to plants has been reported to promote health and reduce stress,and plant color has direct impacts on physical and mental *** used images of common types of tended plant communities in Shenyang,China,with com... 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
Recent advances in cancer-associated fibroblast:Biomarkers,signaling pathways,and therapeutic opportunities
收藏 引用
Chinese Medical Journal 2024年 第6期137卷 638-650页
作者: Donger zhou Lei zheng Department of Hepatobiliary-Pancreatic Surgery The Second Affiliated HospitalZhejiang University School of MedicineHangzhouZhejiang 310009China Sidney Kimmel Comprehensive Cancer Center The Skip Viragh Pancreatic Cancer Center for Clinical Research and Careand The Bloomberg-Kimmel Institute for Immunotherapy at Johns Hopkins University School of MedicineBaltimoreMD 21287USA
Anti-cancer therapies usually focus on tumor cells,but non-tumor stromal components in the tumor microenvironment also play vital roles in tumor initiation and progression,which may be the prognostic factors and poten... 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
On-surface synthesis and characterization of polyynic carbon chains
收藏 引用
National Science Review 2024年 第3期11卷 192-199页
作者: Wenze Gao Wei zheng Luye Sun Faming Kang zheng zhou Wei Xu Interdisciplinary Materials Research Center School of Materials Science and Engineering Tongji University
Carbyne, an elusive sp-hybridized linear carbon allotrope, has fascinated chemists and physicists for decades. Due to its high chemical reactivity and extreme instability, carbyne was much less explored in contrast to... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
Utilization of pH-driven methods to fortify nanoemulsions with multiple polyphenols
收藏 引用
Food Science and Human Wellness 2024年 第4期13卷 1943-1950页
作者: Hualu zhou Bingjing zheng david Julian McClements Department of Food Science and Technology College of Agricultural and Environmental SciencesUniversity of GeorgiaGriffinGA 30223USA Biopolymers and Colloids Laboratory Department of Food ScienceUniversity of MassachusettsAmherstMA 01003USA Department of Food Science&Bioengineering Zhejiang Gongshang UniversityHangzhou 310018China
Simple but effective methods are required to incorporate multiple bioactive polyphenols into delivery systems to increase their dispersibility,stability and *** developed and tested three p Hdriven protocols for creat... 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
PINK1 is involved in determining the cellular autophagic hierarchy
收藏 引用
Science China(Life Sciences) 2024年 第5期67卷 1087-1088页
作者: Zhuchen zhou Zhong Chen Yanrong zheng Key Laboratory of Neuropharmacology and Translational Medicine of Zhejiang Province School of Pharmaceutical SciencesZhejiang Chinese Medical UniversityHangzhou 311402China
The protein PINK1 plays a crucial role in the regulation of the cellular autophagic ***,a highly conserved biological process,serves as a mechanism for the degradation of intracellular components by *** play a pivotal... 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
Expression of cyclin-dependent kinase 9 is positively correlated with the autophagy level in colon cancer
收藏 引用
World Journal of Gastrointestinal Oncology 2024年 第2期16卷 314-330页
作者: Lei zheng Jia Lu da-Lu Kong Department of Colorectal Cancer Surgery National Clinical Research Center for CancerKey Laboratory of Cancer Immunology and Biotherapy of TianjinTianjin Key Laboratory of Digestive CancerKey Laboratory of Cancer Prevention and Therapy of TianjinTianjin’s Clinical Research Center for CancerTianjin Medical University Cancer Institute and HospitalTianjin 300060China Department of Infection Management National Clinical Research Center for CancerKey Laboratory of Cancer Immunology and Biotherapy of TianjinTianjin Key Laboratory of Digestive CancerKey Laboratory of Cancer Prevention and Therapy of TianjinTianjin’s Clinical Research Center for CancerTianjin Medical University Cancer Institute and HospitalTianjin 300060China
BACKGROUND Cyclin-dependent kinase 9(CDK9)expression and autophagy in colorectal cancer(CRC)tissues has not been widely ***9,a key regulator of transcription,may influence the occurrence and progression of *** express... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Stochastic resonance of spinor condensates in optical cavity
收藏 引用
Science China(Physics,Mechanics & Astronomy) 2024年 第3期67卷 80-87页
作者: zheng-Chun Li Bixuan Fan Lu zhou Weiping Zhang School of Physics and Astronomy and Tsung-Dao Lee InstituteShanghai Jiao Tong UniversityShanghai 200240China State Key Laboratory of Precision Spectroscopy School of Physics and Electronic ScienceEast China Normal UniversityShanghai 200241China College of Physics and Communication Electronics Jiangxi Normal UniversityNanchang 330022China Shanghai Branch Hefei National LaboratoryShanghai 201315China Shanghai Research Center for Quantum Sciences Shanghai 201315China Collaborative Innovation Center of Extreme Optics Shanxi UniversityTaiyuan 030006China
Stochastic resonance is a phenomenon in which adding random noise to a system enhances the detection or transmission of a weak signal. It occurs when the noise interacts with the system's nonlinearity, thus improving ... 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
Convex-up Style of Deformation within Grabens in Regions of Incomplete Crossing Conjugate Normal Faults: A Numerical Simulation Investigation and Case Study
收藏 引用
Journal of Earth Science 2024年 第3期35卷 839-849页
作者: zheng Li Kai Wang Xiong Xiong Bing zhou School of Geophysics and Geomatics China University of GeosciencesWuhan 430074China State Key Laboratory of Geodesy and Earth’s Dynamics Innovation Academy for Precision Measurement Science and TechnologyChinese Academy of SciencesWuhan 430077China Department of Earth Sicences Khalifa UniversityAbu DhabiUnited Arab Emirates
Crossing conjugate normal faults(CCNFs)are extensively developed in many hydrocarbon-producing basins,generally existing in the form of incomplete ***,the effect of the non-conjugate zone of the CCNFs on the conjugate... 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
ASYMPTOTIC THEORY FOR THE CIRCUIT ENVELOPE ANALYSIS
收藏 引用
Journal of Computational Mathematics 2024年 第4期42卷 955-978页
作者: Chunxiong zheng Xianwei Wen Jinyu Zhang Zhenya zhou College of Mathematics and Systems Science Xinjiang UniversityUrumqi 830046China Department of Mathematical Sciences Tsinghua UniversityBeijing 100084China Empyrean Software Empyrean Technology Co.Ltd.Beijing 100102China
Asymptotic theory for the circuit envelope analysis is developed in this paper.A typical feature of circuit envelope analysis is the existence of two significantly distinct timescales:one is the fast timescale of carr... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论