咨询与建议

限定检索结果

文献类型

  • 3,589,804 篇 期刊文献
  • 29,763 篇 会议
  • 143 篇 学位论文
  • 35 册 图书
  • 12 篇 报纸

馆藏范围

  • 3,619,747 篇 电子文献
  • 10 种 纸本馆藏

日期分布

学科分类号

  • 1,760,637 篇 工学
    • 307,380 篇 材料科学与工程(可...
    • 251,027 篇 机械工程
    • 223,477 篇 化学工程与技术
    • 193,743 篇 计算机科学与技术...
    • 187,128 篇 电气工程
    • 144,284 篇 电子科学与技术(可...
    • 133,335 篇 动力工程及工程热...
    • 127,358 篇 土木工程
    • 118,696 篇 软件工程
    • 114,671 篇 控制科学与工程
    • 112,060 篇 环境科学与工程(可...
    • 103,420 篇 仪器科学与技术
    • 98,756 篇 水利工程
    • 95,282 篇 建筑学
    • 93,441 篇 力学(可授工学、理...
    • 91,535 篇 信息与通信工程
    • 87,749 篇 地质资源与地质工...
  • 1,048,339 篇 医学
    • 638,513 篇 临床医学
    • 138,448 篇 中西医结合
    • 127,053 篇 公共卫生与预防医...
    • 118,089 篇 药学(可授医学、理...
    • 100,205 篇 基础医学(可授医学...
  • 678,270 篇 理学
    • 222,318 篇 化学
    • 165,418 篇 生物学
    • 162,172 篇 物理学
  • 350,640 篇 农学
    • 103,485 篇 作物学
  • 305,555 篇 管理学
    • 124,736 篇 管理科学与工程(可...
    • 94,923 篇 公共管理
  • 192,292 篇 教育学
    • 143,695 篇 教育学
  • 123,441 篇 经济学
    • 107,918 篇 应用经济学
  • 97,588 篇 法学
  • 61,964 篇 文学
  • 34,099 篇 艺术学
  • 24,936 篇 历史学
  • 17,138 篇 哲学
  • 12,733 篇 军事学

主题

  • 23,434 篇 数值模拟
  • 22,525 篇 影响因素
  • 17,066 篇 预后
  • 16,707 篇 应用
  • 15,780 篇 儿童
  • 13,583 篇 力学性能
  • 12,928 篇 诊断
  • 12,531 篇 产量
  • 12,180 篇 治疗
  • 12,041 篇 危险因素
  • 11,758 篇 大鼠
  • 11,388 篇 对策
  • 10,670 篇 教学改革
  • 10,160 篇 磁共振成像
  • 9,702 篇 综述
  • 9,647 篇 糖尿病
  • 9,504 篇 中国
  • 9,387 篇 稳定性
  • 9,000 篇 大学生
  • 8,954 篇 疗效

机构

  • 22,529 篇 清华大学
  • 21,360 篇 上海交通大学
  • 20,611 篇 中国科学院大学
  • 20,522 篇 浙江大学
  • 18,505 篇 天津大学
  • 18,301 篇 同济大学
  • 18,045 篇 北京大学
  • 18,034 篇 吉林大学
  • 17,846 篇 四川大学
  • 17,345 篇 中国矿业大学
  • 17,094 篇 西安交通大学
  • 17,038 篇 武汉大学
  • 16,319 篇 中国石油大学
  • 15,793 篇 山东大学
  • 15,728 篇 西北工业大学
  • 15,632 篇 中国地质大学
  • 15,530 篇 西北农林科技大学
  • 15,137 篇 哈尔滨工业大学
  • 14,952 篇 华中科技大学
  • 14,560 篇 中南大学

作者

  • 25,185 篇 张伟
  • 21,644 篇 张磊
  • 18,037 篇 张静
  • 17,646 篇 张勇
  • 17,150 篇 张涛
  • 16,964 篇 张敏
  • 16,803 篇 张鹏
  • 15,291 篇 张杰
  • 13,627 篇 张强
  • 13,393 篇 张健
  • 12,869 篇 张军
  • 12,589 篇 张超
  • 12,359 篇 张丽
  • 12,205 篇 张辉
  • 12,075 篇 张华
  • 11,406 篇 张颖
  • 11,277 篇 张莉
  • 10,683 篇 张宇
  • 10,390 篇 张斌
  • 10,348 篇 张波

语言

  • 3,438,102 篇 中文
  • 181,573 篇 英文
  • 82 篇 日文
检索条件"作者=Jun-lan ZHANG"
3619757 条 记 录,以下是1-10 订阅
排序:
The Sino-French 2012 Conference in Thoracic Oncology:an international academic platform for in-depth exchange on comprehensive research
收藏 引用
Chinese Journal of Cancer 2013年 第2期32卷 53-58页
作者: Dong-Rong Situ Philippe Dartevelle Thierry Le Chevalier lan-jun zhang State Key Laboratory of Oncology in South China Department of Thoracic Surgery Sun Yat-sen University Cancer Center Department of Thoracic and Vascular Surgery and Heart-Lung Transplantation Marie Lannelongue Hospital Department of Lung Oncology Institute Gustave-Roussy
The Sino-French 2012 Conference in Thoracic Oncology, held November 17-18, 2012, was hosted by the Department of Thoracic Surgery at Sun Yat-sen University Cancer Center and organized in collaboration with two prestig... 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
Penile rehabilitation with a vacuum erectile device in an animal model is related to an antihypoxic mechanism: blood gas evidence
收藏 引用
Asian Journal of Andrology 2013年 第3期15卷 387-390页
作者: Hao-Cheng Lin Wen-Li Yang jun-lan zhang Yu-Tian Dai Run Wang Department of Urology Affiliated Drum Tower Hospital School of Medicine Nanjing University Nanjing 210008 China Division of Urology University of Texas Medical Schoo at Houston TX 77030 USA Division of Gastroenterology Hepatology & Nutrition Department of Internal Medicine University of Texas Medical School at Houston TX 77030 USA Department of Urology University of Texas MD Anderson Cancer Center Houston TX 77030 USA
Our previous study showed that vacuum erectile device (VED) therapy has improved erectile function in rats with bilateral cavernous nerve crush (BCNC) injuries. This study was designed to explore the mechanism of ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Major complications after radiofrequency ablation for liver tumors:Analysis of 255 patients
收藏 引用
World Journal of Gastroenterology 2009年 第21期15卷 2651-2656页
作者: Wen-Tao Kong Wei-Wei zhang Yu-Dong Qiu Tie Zhou jun-lan Qiu Wei zhang Yi-Tao Ding Department of Hepatobiliary Surgery Drum Tower Hospital Medical College of Nanjing University Nanjing 210008 Jiangsu Province China
AIM:To investigate the major complications after radiofrequency ablation(RFA) for the treatment of liver tumors and analyze possible risk factors that precipitate these ***:From March 2001 to April 2008,255 patients w... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
A Facile Li_(2)TiO_(3) Surface Modification to Improve the Structure Stability and Electrochemical Performance of Full Concentration Gradient Li-Rich Oxides
收藏 引用
Energy & Environmental Materials 2024年 第3期7卷 41-48页
作者: Naifang Hu Yuan Yang Lin Li Yuhan zhang Zhiwei Hu lan zhang jun Ma Guanglei Cui Qingdao Industrial Energy Storage Research Institute Qingdao Institute of Bioenergy and Bioprocess TechnologyChinese Academy of SciencesQingdao 266101China Institute of Materials Science and Engineering Ocean University of ChinaQingdao 266100China School of Future Technology University of Chinese Academy of SciencesBeijing 100049China Max Planck Institute for Chemical Physics of Solids Nothnitzer Strasse 40Dresden D-01187Germany CAS Key Laboratory of Green Process and Engineering Beijing Key Laboratory of Ionic Liquids Clean ProcessState Key Laboratory of Multiphase Complex SystemsInstitute of Process EngineeringChinese Academy of SciencesBeijing 100190China Shandong Energy Institute Qingdao 266101China
Full concentration gradient lithium-rich layered oxides are catching lots of interest as the next generation cathode for lithium-ion batteries due to their high discharge voltage,reduced voltage decay and enhanced rat... 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
Antisense RNA: the new favorite in genetic research
收藏 引用
Journal of Zhejiang University-Science B(Biomedicine & Biotechnology) 2018年 第10期19卷 739-749页
作者: Jian-zhong XU jun-lan zhang Wei-guo zhang The Key Laboratory of Industrial Biotechnology Ministry of EducationSchool of BiotechnologyJiangnan UniversityWuxi 214122China Department of ln Vitro Diagnostics(IVD) Baiming Biotechnology Co.Ltd.Yancheng 224000China
Antisense RNA molecule represents a unique type of DNA transcript that comprises 19-23 nucleotides and is complementary to mRNA. Antisense RNAs play the crucial role in regulating gene expression at multiple levels, s... 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
Three-field vs two-field lymph node dissection for esophageal cancer:A meta-analysis
收藏 引用
World Journal of Gastroenterology 2014年 第47期20卷 18022-18030页
作者: Guo-Wei Ma Dong-Rong Situ Qi-Long Ma Hao Long lan-jun zhang Peng Lin Tie-Hua Rong Department of Thoracic Surgery Sun Yat-sen University Cancer Center State Key Laboratory of Oncology in South China
AIM: To assess the effects of 3-field lymphadenectomy for esophageal carcinoma.
来源: 维普期刊数据库 维普期刊数据库 评论
Leveraging the Empirical Wavelet Transform in Combination with Convolutional LSTM Neural Networks to Enhance the Accuracy of Polar Motion Prediction
收藏 引用
Research in Astronomy and Astrophysics 2024年 第9期24卷 214-224页
作者: Xu-Qiao Wang lan Du Zhong-Kai zhang Ze-jun Liu Hao Xiang College of Geospatial Information Information Engineering UniversityZhengzhou 450001China Henan Industrial Technology Academy of Spatio-Temporal Big Data Zhengzhou 450046China
High-precision polar motion prediction is of great significance for deep space exploration and satellite *** motion is affected by a variety of excitation factors,and nonlinear prediction methods are more suitable 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
Taphonomy and Paleoecology of Lycoptera: A Case Study from the Lower Jehol Group in Western Liaoning, Northeastern China
收藏 引用
Journal of Earth Science 2024年 第3期35卷 737-746页
作者: Zhongwu lan Rong Cao Shujing zhang State Key Laboratory of Lithospheric Evolution Institute of Geology and GeophysicsChinese Academy of SciencesBeijing 100029China State Key Laboratory of Palaeobiology and Stratigraphy Nanjing Institute of Geology and PalaeontologyChinese Academy of SciencesNanjing 210008China State Key Laboratory of Geological Processes and Mineral Resources China University of GeosciencesWuhan 430078China College of Earth and Planetary Sciences University of Chinese Academy of SciencesBeijing 100049China Department of Geology Trinity CollegeDublin 999015Ireland
Taphonomy and paleoecology(biological behavior)of the Early Cretaceous fish fossils are poorly *** study reports for the first time a detailed taphonomical and paleoecological study on Lycoptera in the Mesozoic strata... 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
Surrogate modeling for unsaturated infiltration via the physics and equality-constrained artificial neural networks
收藏 引用
Journal of Rock Mechanics and Geotechnical Engineering 2024年 第6期16卷 2282-2295页
作者: Peng lan Jingjing Su Sheng zhang School of Civil Engineering Central South UniversityChangsha410075China Discipline of Civil Surveying and Environmental EngineeringPriority Research Centre for Geotechnical Science and EngineeringThe University of NewcastleCallaghanNSW2308Australia Qinghai University Qinghai810016China
Machine learning(ML)provides a new surrogate method for investigating groundwater flow dynamics in unsaturated *** pure data-driven methods(*** neural network,DNN)can provide rapid predictions,but they do require suff... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Monothetic and conductive network and mechanical stress releasing layer on micron-silicon anode enabling high-energy solid-state battery
收藏 引用
Rare Metals 2024年 第3期43卷 1017-1029页
作者: Xiang Han Min Xu lan-Hui Gu Chao-Fei lan Min-Feng Chen jun-Jie Lu Bi-Fu Sheng Peng Wang Song-Yan Chen Ji-zhang Chen College of Materials Science and Engineering Co-Innovation Center of Efficient Processing and Utilization of Forestry ResourcesNanjing Forestry UniversityNanjing210037China Department of Physics Xiamen UniversityXiamen361005China Western Digital Corporation MilpitasCA95035USA
Silicon has ultrahigh capacity,dendrite-free alloy lithiation mechanism and low cost and has been regarded as a promising anode candidate for solid-state *** to the low infiltration of solid-state electrolyte(SSE),not... 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