咨询与建议

限定检索结果

文献类型

  • 64,750 篇 期刊文献
  • 470 篇 会议

馆藏范围

  • 65,220 篇 电子文献
  • 0 种 纸本馆藏

日期分布

学科分类号

  • 31,925 篇 工学
    • 4,905 篇 材料科学与工程(可...
    • 3,805 篇 化学工程与技术
    • 3,101 篇 机械工程
    • 2,014 篇 电气工程
    • 1,927 篇 计算机科学与技术...
    • 1,798 篇 仪器科学与技术
    • 1,636 篇 软件工程
    • 1,596 篇 土木工程
    • 1,530 篇 电子科学与技术(可...
    • 1,509 篇 动力工程及工程热...
    • 1,398 篇 环境科学与工程(可...
    • 1,371 篇 水利工程
    • 1,346 篇 控制科学与工程
    • 1,278 篇 生物医学工程(可授...
    • 1,272 篇 地质资源与地质工...
  • 19,835 篇 医学
    • 11,802 篇 临床医学
    • 2,920 篇 中西医结合
    • 1,957 篇 药学(可授医学、理...
    • 1,841 篇 公共卫生与预防医...
    • 1,725 篇 中药学(可授医学、...
    • 1,617 篇 基础医学(可授医学...
    • 1,382 篇 医学技术(可授医学...
  • 9,287 篇 理学
    • 2,211 篇 化学
    • 2,006 篇 生物学
    • 1,304 篇 物理学
    • 1,210 篇 生态学
  • 8,498 篇 农学
    • 2,528 篇 作物学
    • 1,550 篇 农业资源与环境
  • 3,222 篇 管理学
    • 1,371 篇 管理科学与工程(可...
  • 1,799 篇 教育学
    • 1,376 篇 教育学
  • 1,150 篇 经济学
  • 577 篇 法学
  • 391 篇 文学
  • 291 篇 艺术学
  • 239 篇 历史学
  • 195 篇 军事学
  • 115 篇 哲学

主题

  • 414 篇 数值模拟
  • 286 篇 产量
  • 247 篇 影响因素
  • 243 篇 预后
  • 207 篇 磁共振成像
  • 198 篇 儿童
  • 169 篇 大鼠
  • 164 篇 凋亡
  • 160 篇 力学性能
  • 150 篇 危险因素
  • 144 篇 重金属
  • 125 篇 水稻
  • 119 篇 高血压
  • 114 篇 合成
  • 112 篇 细胞凋亡
  • 108 篇 免疫组织化学
  • 108 篇 应用
  • 106 篇 诊断
  • 95 篇 质量控制
  • 94 篇 玉米

机构

  • 453 篇 中国科学院大学
  • 387 篇 吉林大学
  • 375 篇 清华大学
  • 370 篇 上海交通大学
  • 329 篇 山东大学
  • 326 篇 大连理工大学
  • 292 篇 浙江大学
  • 290 篇 中国矿业大学
  • 288 篇 北京大学
  • 280 篇 中国地质大学
  • 270 篇 北京科技大学
  • 266 篇 四川大学
  • 264 篇 中国石油大学
  • 260 篇 同济大学
  • 257 篇 哈尔滨工业大学
  • 250 篇 华中科技大学
  • 238 篇 东南大学
  • 230 篇 西北农林科技大学
  • 214 篇 西安交通大学
  • 211 篇 中国农业大学

作者

  • 330 篇 赵成
  • 318 篇 王成
  • 243 篇 赵诚
  • 163 篇 赵程
  • 153 篇 赵勇
  • 144 篇 赵刚
  • 136 篇 赵伟
  • 135 篇 赵磊
  • 128 篇 赵前程
  • 123 篇 李成
  • 120 篇 赵军
  • 119 篇 赵静
  • 117 篇 赵娜
  • 113 篇 赵杰
  • 109 篇 赵亮
  • 99 篇 赵敏
  • 96 篇 张成
  • 91 篇 赵强
  • 90 篇 李军
  • 88 篇 赵玉成

语言

  • 60,875 篇 中文
  • 4,344 篇 英文
  • 1 篇 日文
检索条件"作者=youfa cheng yunde zhao"
65220 条 记 录,以下是21-30 订阅
Molecular simulation study of the microstructures and properties of pyridinium ionic liquid[HPy][BF_(4)]mixed with acetonitrile
收藏 引用
原子与分子物理学报 2025年 第4期42卷 27-32页
作者: XU Jian-Qiang MA zhao-Peng cheng Si LIU Zhi-Cong ZHU Guang-Lai Department of Physics School of Physics and Electronic InformationAnhui Normal UniversityWuhu 241002China
The microstructures and thermodynamic properties of mixed systems comprising pyridinium ionic liquid[HPy][BF_(4)]and acetonitrile at different mole fractions were studied using molecular dynamics simulation in this **... 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
Experimental study of dual nano-network, high-temperature resistant aerogel material as an integration of thermal management functions
收藏 引用
Journal of Energy Chemistry 2025年 第1期 157-170页
作者: Yueyue Xiao Tianke Mao Zun zhao Yuelei Pan Heping Zhang Xudong cheng State Key Laboratory of Fire Science University of Science and Technology of China
Thermal management system is highly desirable to guarantee the performance and thermal safety of lithium-ion batteries,but it reduces the energy density of battery modules and even is unable to provide highly effectiv...
来源: 同方期刊数据库 同方期刊数据库 评论
Generation of Targeted Point Mutations in Rice by a Modified CRISPR/Cas9 System
收藏 引用
Molecular Plant 2017年 第3期10卷 526-529页
作者: Jingying Li Yongwei Sun Jinlu Du yunde zhao Lanqin Xia Institute of Crop Sciences (ICS) Chinese Academy of Agricultural Sciences (CAAS) Beijing 100081 China National Key Laboratory of Crop Genetic Improvement and National Center of Plant Gene Research (Wuhan) Huazhong Agricultural University Wuhan 430070 China Section of Cell and Developmental Biology University of California San Diego La Jolla CA 92093-0116 USA These authors contributed equally to this article
CRISPR/Cas9 (Clustered Regularly Interspaced Short Palin- dromic Repeats/CRISPR-associated Cas9 endonuclease)- mediated genome editing has revolutionized biological research and crop improvement because of its speci... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Allelic Analyses of the Arabidopsis YUC1 Locus Reveal Residues and Domains Essential for the Functions of YUC Family of Flavin Monooxygenases
收藏 引用
Journal of Integrative Plant Biology 2011年 第1期53卷 54-62页
作者: Xianhui Hou Sainan Liu Florencia Pierri Xinhua Dai Li-Jia Qu yunde zhao National Laboratory for Protein Engineering and Plant Genetic Engineering Peking-Yale Joint Research Center for Plant Molecular Genetics and AgroBiotechnology College of Life Sciences Peking University Beijing 100871 China Section of Cell and Developmental Biology University of California at San Diego La Jolla California 92093-0116 USA
Flavin monooxygenases (FMOs) play critical roles in plant growth and development by synthesizing auxin and other signaling molecules. However, the structure and function relationship within plant FMOs is not underst... 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
Overexpression of the bacterial tryptophan oxidase RebO affects auxin biosynthesis and Arabidopsis development
收藏 引用
Science Bulletin 2016年 第11期61卷 859-867页
作者: Yangbin Gao Xinhua Dai Zuyu Zheng Hiroyuki Kasahara Yuji Kamiya Joanne Chory David Ballou yunde zhao Section of Cell and Developmental Biology University of California San Diego La Jolla CA 92093 USA Plant Biology Laboratory Salk Institute for Biological StudiesLa Jolla CA 92037 USA Plant Science Center RIKEN Yokohama Kanagawa 230-0045Japan The Global Innovation Research Organization Tokyo University of Agriculture and Technology Fuchu 183-8509 Japan Department of Biological Chemistry University of MichiganAnn Arbor MI 48109 USA
Both tryptophan (Trp) and auxin are essential for plant growth and Trp is a precursor for auxin biosynthesis. Concentrations of Trp and auxin need to be tightly con- trolled to ensure optimal growth and development.... 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
APA plays critical roles in modulating auxin signaling and development in Arabidopsis
APA plays critical roles in modulating auxin signaling and d...
收藏 引用
中国植物学会第十六次全国会员代表大会暨85周年学术年会
作者: Wei Zeng Xinhua Dai Jing Sun Yifeng Hou Xiaofeng Cao yunde zhao youfa cheng Key Laboratory of Plant Molecular Physiology Institute of BotanyChinese Academy of Sciences University of Chinese Academy of Sciences Section of Cell and Developmental Biology University of California State Key Laboratory of Plant Genomics and National Center for Plant Gene Research CAS Center for Excellence in Molecular Plant SciencesInstitute of Genetics and Developmental BiologyChinese Academy of Sciences
<正>Polyadenylation impacts gene expression by affecting mRNA stability,transport,and *** we report that AtCstF77,a component of the pre-mRNA 3’-end polyadenylation machinery,affected polyadenylation sites(PAS)se...
来源: cnki会议 评论
Improvements of TKC Technology Accelerate Isolation of Transgene-Free CRISPR/Cas9-Edited Rice Plants
收藏 引用
Rice science 2019年 第2期26卷 109-117,I0016,I0017页
作者: HE Yubing ZHU Min WANG Lihao WU Junhua WANG Qiaoyan WANG Rongchen zhao yunde National Key Laboratory of Crop Genetic Improvement and National Center of Plant Gene Research (Wuhan) Huazhong Agricultural University College of Life Science and Technology Huazhong Agricultural University College of Plant Science & Technology Huazhong Agricultural University Section of Cell and Developmental Biology University of California San Diego
Elimination of the CRISPR/Cas9 constructs in edited plants is a prerequisite for assessing genetic stability, conducting phenotypic characterization, and applying for commercialization of the plants. However, removal ... 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
Fundamental strengthening mechanisms of ordered gradient nanotwinned metals
收藏 引用
Nano Research 2023年 第11期16卷 12430-12437页
作者: zhao cheng Lei Lu Shenyang National Laboratory for Materials Science Institute of Metal ResearchChinese Academy of SciencesShenyang 110016China
Ordered structures with functional units offer the potential for enhanced performance in metallic *** these structures,gradient nanotwinned(GNT)microstructures demonstrate excellent *** paper provides a comprehensive ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Regulating the Nb_(2)C nanosheets with different degrees of oxidation in water lubricated sliding toward an excellent tribological performance
收藏 引用
Friction 2022年 第3期10卷 398-410页
作者: Hao cheng Wenjie zhao Key Laboratory of Marine Materials and Related Technologies Zhejiang Key Laboratory of Marine Materials and Protective TechnologiesNingbo Institute of Materials Technology and EngineeringChinese Academy of SciencesNingbo 315201China University of Chinese Academy of Sciences Beijing 100049China
Novel two-dimensional(2D)Nb_(2)C nanosheets were successfully prepared through a simple lultrasonic and magnetic stirring treatment from the original accordion-like *** further study their water-lubrication properties... 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
PID control of uncertain nonlinear stochastic systems with state observer
收藏 引用
Science China(Information Sciences) 2021年 第9期64卷 139-150页
作者: Xinrong CONG cheng zhao School of Mathematics and Statistics Beijing Technology and Business University Research Center for Mathematics and Interdisciplinary Sciences Shandong University
The classical proportional-integral-derivative(PID) controller is ubiquitous in engineering systems that are typically nonlinear with various uncertainties, including random noise. However, most of the literature on P... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论