咨询与建议

限定检索结果

文献类型

  • 28,737 篇 期刊文献
  • 175 篇 会议

馆藏范围

  • 28,912 篇 电子文献
  • 0 种 纸本馆藏

日期分布

学科分类号

  • 12,567 篇 工学
    • 1,674 篇 材料科学与工程(可...
    • 1,538 篇 化学工程与技术
    • 1,055 篇 机械工程
    • 955 篇 计算机科学与技术...
    • 738 篇 软件工程
    • 709 篇 仪器科学与技术
    • 691 篇 电气工程
    • 687 篇 环境科学与工程(可...
    • 670 篇 土木工程
    • 611 篇 动力工程及工程热...
    • 599 篇 生物医学工程(可授...
    • 582 篇 电子科学与技术(可...
    • 547 篇 食品科学与工程(可...
    • 534 篇 水利工程
  • 11,030 篇 医学
    • 5,994 篇 临床医学
    • 1,872 篇 中西医结合
    • 1,189 篇 公共卫生与预防医...
    • 1,188 篇 药学(可授医学、理...
    • 1,126 篇 中药学(可授医学、...
    • 841 篇 基础医学(可授医学...
    • 724 篇 医学技术(可授医学...
    • 610 篇 中医学
  • 3,900 篇 理学
    • 961 篇 化学
    • 916 篇 生物学
    • 542 篇 生态学
  • 3,158 篇 农学
    • 882 篇 作物学
    • 660 篇 农业资源与环境
  • 1,749 篇 管理学
    • 776 篇 管理科学与工程(可...
    • 637 篇 公共管理
  • 859 篇 教育学
    • 665 篇 教育学
  • 473 篇 经济学
  • 240 篇 法学
  • 191 篇 文学
  • 146 篇 艺术学
  • 99 篇 历史学
  • 70 篇 军事学
  • 57 篇 哲学

主题

  • 107 篇 影响因素
  • 97 篇 高血压
  • 96 篇 预后
  • 78 篇 凋亡
  • 77 篇 数值模拟
  • 75 篇 大鼠
  • 72 篇 危险因素
  • 66 篇 儿童
  • 64 篇 胃癌
  • 58 篇 免疫组织化学
  • 58 篇 耐药性
  • 58 篇 肝移植
  • 57 篇 重金属
  • 56 篇 并发症
  • 47 篇 作用机制
  • 47 篇 体层摄影术,x线计...
  • 42 篇 质量控制
  • 40 篇 基因
  • 39 篇 分析
  • 37 篇 细胞增殖

机构

  • 191 篇 中国科学院大学
  • 176 篇 山东大学
  • 161 篇 北京中医药大学
  • 143 篇 天津大学
  • 143 篇 山东中医药大学
  • 127 篇 吉林大学
  • 123 篇 大连理工大学
  • 123 篇 西安交通大学
  • 114 篇 同济大学
  • 112 篇 湖南大学
  • 109 篇 复旦大学
  • 109 篇 山东中医药大学附...
  • 107 篇 北京大学第一医院
  • 105 篇 中国地质大学
  • 98 篇 东南大学
  • 97 篇 上海交通大学医学...
  • 93 篇 兰州大学
  • 92 篇 四川大学华西医院
  • 91 篇 长安大学
  • 91 篇 浙江大学

作者

  • 691 篇 张楠
  • 636 篇 李楠
  • 385 篇 王楠
  • 295 篇 王伟
  • 268 篇 张伟
  • 262 篇 李伟
  • 227 篇 刘伟
  • 181 篇 姜楠
  • 177 篇 陈楠
  • 137 篇 林楠
  • 119 篇 刘楠
  • 91 篇 杨楠
  • 82 篇 吴楠
  • 77 篇 赵楠
  • 76 篇 张亚楠
  • 75 篇 魏楠
  • 66 篇 杨威
  • 65 篇 魏南
  • 63 篇 陈伟
  • 53 篇 黄伟

语言

  • 27,074 篇 中文
  • 1,838 篇 英文
检索条件"作者=Nan WEI"
28912 条 记 录,以下是31-40 订阅
排序:
Effects of plastic film mulching on soil greenhouse gases(CO2,CH4 and N2O) concentration within soil profiles in maize fields on the Loess Plateau,China
收藏 引用
Journal of Integrative Agriculture 2016年 第2期15卷 451-464页
作者: nan wei-ge YUE Shan-chao HUANG Hai-zhou LI Shi-qing SHEN Yu-fang State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau Institute of Soil and Water Conservation Chinese Academy of Sciences and Ministry of Water Resources Yangling 712100 P.R. China Institute of Soil and Water Conservation Northwest A&F University Yangling 712100 P.R. China University of Chinese Academy of Sciences Beijing 100049 P.R. China
To better understand the effects of plastic film mulching on soil greenhouse gases(GHGs) emissions,we compared seasonal and vertical variations of GHG concentrations at seven soil depths in maize(Zea mays L.) fiel... 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
Dynamical characteristic of measurement uncertainty under Heisenberg spin models with Dzyaloshinskii-Moriya interactions
收藏 引用
Frontiers of physics 2019年 第3期14卷 123-131页
作者: Ying-Yue Yang Wen-Yang Sun wei-nan Shi Fei Ming Dong Wang Liu Ye School of Physics & Material Science Anhui University Hefei 230601 China CAS Key Laboratory of Quantum Information University of Science and Technology of China Hefei 230026 China
The dynamics of measurement's uncertainty via entropy for a one-dimensional Heisenberg XYZ mode is examined in the presence of an inhomogeneous magnetic field and Dzyaloshinskii-Moriya (DM) interaction. It shows that ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Efficacy and safety of tranexamic acid in elderly patients with intertrochanteric fracture: An updated meta-analysis
收藏 引用
World Journal of Clinical Cases 2019年 第11期7卷 1302-1314页
作者: Xin-Die Zhou Jin Li Guo-Ming Fan Yong Huang nan-wei Xu Department of Orthopedics The Affiliated Changzhou No. 2 People’s Hospital of Nanjing Medical University Changzhou 213003 Jiangsu Province China Department of Orthopedic Surgery the Second Affiliated Hospital of Jiaxing University Jiaxing 314000 Zhejiang Province China
BACKGROUND Intertrochanteric fracture (ITF) is a common type of injury, and nearly 30% of ITF patients die in the first 12 mo, especially the elderly with limited activity. Tranexamic acid (TXA) has been widely used i... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
FEATURES OF TECTONIC LANDFORM OF FAULT BLOCKS IN SOUTH CHINA COASTAL AREA
收藏 引用
地震地质 1989年 第3期 45-54页
作者: Zhang Hu-nan and Chen wei-guang(Seismological Bureau of Guangdong Province)
In this paper, the South China coastal area is divided into several fault block areas (first class), sub-areas (second class) and mini-areas (third class) based on their dynamic signs, heridity, uniformity, paricu-lar... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
Melting Evaluation of Phase Change Materials Impregnated into Cascaded Metal Foams with Regionalized Enhancement
收藏 引用
Journal of Thermal Science 2025年 第1期34卷 223-241页
作者: wei Xinyi ZHANG nan ZHANG Zhaoli CAO Xiaoling YUAN Yanping School of Mechanical Engineering Southwest Jiaotong University
Metal foam promotes the heat transfer of phase change materials(PCMs) in the penalty of reducing the energy storage density of the composite *** this work,the effects of constant porosity(0.96,0.94,0.92,or 0.90) and p... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
Role of IL-17 gene polymorphisms in osteoarthritis:A meta-analysis based on observational studies
收藏 引用
World Journal of Clinical Cases 2020年 第11期8卷 2280-2293页
作者: Hao-Yu Yang Yu-Zhou Liu Xin-Die Zhou Yong Huang nan-wei Xu Department of Orthopedics Wuxi 9^th People’s Hospital affiliated to Soochow UniversityWuxi 214000Jiangsu ProvinceChina Department of Orthopedics The Affiliated Changzhou No.2 People’s Hospital of Nanjing Medical UniversityChangzhou 213003Jiangsu ProvinceChina
BACKGROUND Osteoarthritis(OA)is a chronic complex multifactorial joint disease,and a major degenerative form of *** studies on the association between polymorphisms of the IL-17 gene and the risk of OA in different po... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Effects of congenital ptosis on the refractive development of eye and vision in children
收藏 引用
International Journal of Ophthalmology(English edition) 2020年 第11期13卷 1788-1793页
作者: Xiao-Yu Zeng Jia-Xing Wang Xiao-Li Qi Xue-Han Qian nan wei Tianjin Medical University Eye Institute Tianjin Medical University Eye HospitalCollege of Optometry and OphthalmologyTianjin Medical UniversityTianjin 300384China Department of Ophthalmology Emory University School of MedicineAtlantaGeorgia 30322USA
AIM:To investigate the influence of unilateral congenital ptosis on the development of the eye and vision in ***:In this prospective observational study,41 patients with unilateral congenital ptosis were enrolled(age ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
A Simple Building Block with Noncovalently Conformational Locks towards Constructing Low-Cost and High-Performance Nonfused Ring Electron Acceptors
收藏 引用
Chinese Journal of Polymer Science 2023年 第4期41卷 556-563,I0008页
作者: Xiao-Bin Gu Jin-Hua Gao Zi-Yang Han Yu-Hao Shi Ya-nan wei Yin-Cheng Zhang Qian Peng Zhi-Xiang wei Xin Zhang Hui Huang College of Materials Science and Opto-Electronic Technology Center of Materials Science and Optoelectronics EngineeringCAS Center for Excellence in Topological Quantum ComputationCAS Key Laboratory of Vacuum PhysicsUniversity of Chinese Academy of SciencesBeijing100049China School of Chemical Sciences University of Chinese Academy of SciencesBeijing100049China CAS Key Laboratory of nanosystem and Hierarchical Fabrication CAS Center for Excellence in NanoscienceNational Center for Nanoscience and TechnologyBeijing100190China
Nonfused ring electron acceptors(NFREAs)have attracted much attention due to their concise synthetic routes and low ***,developing high-performance NFREAs with simple structure remains a great *** this work,a simple b... 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
Wafer-scale fabrication of carbon-nanotube-based CMOS transistors and circuits with high thermal stability
收藏 引用
nano Research 2022年 第11期15卷 9875-9880页
作者: nan wei Ningfei Gao Haitao Xu Zhen Liu Lei Gao Haoxin Jiang Yu Tian Yufeng Chen Xiaodong Du Lian-Mao Peng Beijing HuaTanYuanXin Electronics Technology Ltd.Co. Beijing 101399China Research Center for Carbon-based Electronics Peking UniversityBeijing 100871China Beijing Institute of Carbon-based Integrated Circuits Beijing 100195China
Thanks to its single-atomic-layer structure,high carrier transport,and low power dissipation,carbon nanotube electronics is a leading candidate towards beyond-silicon *** low temperature fabrication processes enable t... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Confining TiO_2 nanotubes in PECVD-Enabled Graphene Capsules Toward Ultrafast K-Ion Storage: In Situ TEM/XRD Study and DFT Analysis
收藏 引用
nano-Micro Letters 2020年 第9期12卷 310-323页
作者: Jingsheng Cai Ran Cai Zhongti Sun Xiangguo Wang nan wei Feng Xu Yuanlong Shao Peng Gao Shixue Dou Jingyu Sun College of Energy Soochow Institute for Energy and Materials InnovationS(SIEMIS)Key Laboratory of Advanced Carbon Materials and Wearable Energy Technologies of Jiangsu ProvinceSoochow UniversitySuzhou 215006JiangsuPeople’s Republic of China SEU‑FEI nano‑Pico Center Key Laboratory of MEMS of Ministry of EducationSoutheast UniversityNanjing 210096People’s Republic of China Beijing Graphene Institute(BGI) Beijing 100095People’s Republic of China Electron Microscopy Laboratory International Centre for Quantum MaterialsSchool of PhysicsPeking UniversityBeijing 100871People’s Republic of China Institute for Superconducting and Electronic Materials University of WollongongWollongongNSW 2522Australia
Titanium dioxide(TiO2) has gained burgeoning attention for potassium-ion storage because of its large theoretical capacity,wide availability,and environmental ***,the inherently poor conductivity gives rise to its slu... 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