咨询与建议

限定检索结果

文献类型

  • 46,059 篇 期刊文献
  • 465 篇 会议
  • 2 篇 学位论文

馆藏范围

  • 46,526 篇 电子文献
  • 0 种 纸本馆藏

日期分布

学科分类号

  • 22,121 篇 工学
    • 3,350 篇 材料科学与工程(可...
    • 2,552 篇 化学工程与技术
    • 2,001 篇 机械工程
    • 1,536 篇 土木工程
    • 1,484 篇 计算机科学与技术...
    • 1,208 篇 软件工程
    • 1,177 篇 电子科学与技术(可...
    • 1,140 篇 仪器科学与技术
    • 1,090 篇 交通运输工程
    • 1,012 篇 动力工程及工程热...
    • 964 篇 地质资源与地质工...
    • 915 篇 控制科学与工程
    • 915 篇 生物医学工程(可授...
    • 901 篇 电气工程
    • 884 篇 水利工程
    • 853 篇 环境科学与工程(可...
  • 14,761 篇 医学
    • 8,972 篇 临床医学
    • 2,107 篇 中西医结合
    • 1,455 篇 药学(可授医学、理...
    • 1,431 篇 基础医学(可授医学...
    • 1,429 篇 公共卫生与预防医...
    • 1,334 篇 中药学(可授医学、...
    • 1,010 篇 医学技术(可授医学...
  • 6,571 篇 理学
    • 1,623 篇 生物学
    • 1,524 篇 化学
    • 888 篇 物理学
  • 6,276 篇 农学
    • 1,975 篇 作物学
    • 1,024 篇 农业资源与环境
  • 2,261 篇 管理学
    • 1,068 篇 管理科学与工程(可...
  • 1,188 篇 教育学
    • 839 篇 教育学
  • 771 篇 经济学
  • 454 篇 法学
  • 219 篇 文学
  • 211 篇 艺术学
  • 168 篇 历史学
  • 139 篇 军事学
  • 71 篇 哲学

主题

  • 194 篇 数值模拟
  • 157 篇 产量
  • 150 篇 大鼠
  • 146 篇 预后
  • 136 篇 磁共振成像
  • 135 篇 影响因素
  • 121 篇 凋亡
  • 111 篇 体层摄影术,x线计...
  • 84 篇 危险因素
  • 79 篇 力学性能
  • 78 篇 治疗
  • 76 篇 小麦
  • 75 篇 并发症
  • 75 篇 分析
  • 75 篇 诊断
  • 74 篇 case report
  • 74 篇 水稻
  • 72 篇 道路工程
  • 71 篇 儿童
  • 65 篇 耐药性

机构

  • 1,127 篇 长安大学
  • 246 篇 吉林大学
  • 237 篇 华中科技大学
  • 208 篇 同济大学
  • 188 篇 东南大学
  • 162 篇 国防科技大学
  • 162 篇 中国地质大学
  • 155 篇 西北工业大学
  • 153 篇 四川大学
  • 152 篇 山东大学
  • 152 篇 解放军总医院
  • 149 篇 北京大学
  • 141 篇 中国科学院大学
  • 135 篇 天津中医药大学
  • 135 篇 中南大学
  • 132 篇 重庆大学
  • 131 篇 武汉理工大学
  • 128 篇 西安交通大学
  • 128 篇 扬州大学
  • 126 篇 上海交通大学

作者

  • 435 篇 刘畅
  • 422 篇 李军
  • 339 篇 常军
  • 282 篇 王军
  • 243 篇 张军
  • 154 篇 刘军
  • 137 篇 杨军
  • 136 篇 刘长军
  • 115 篇 李俊
  • 96 篇 王长军
  • 91 篇 鲜军舫
  • 90 篇 徐军
  • 81 篇 常惠芸
  • 81 篇 赵军
  • 80 篇 刘俊
  • 77 篇 王俊
  • 75 篇 陈俊
  • 75 篇 陈军
  • 58 篇 许浚
  • 56 篇 张敏

语言

  • 42,790 篇 中文
  • 3,736 篇 英文
检索条件"作者=chang jun lee"
46526 条 记 录,以下是31-40 订阅
排序:
Do brood parasitic Common Cuckoos develop brood patches during the breeding season?
收藏 引用
Avian Research 2024年 第3期15卷 363-368页
作者: jun-Seo Go Hae-Ni Kim Sue-Jeong Jin Myeong-Chan Cha Heesoo lee Jin-Won lee Korea Institute of Ornithology&Department of Biology Kyung Hee University02447SeoulRepublic of Korea Bird Research SaeZiP 12504YangpyeongRepublic of Korea
Many birds develop brood patches on their ventral apterium under hormonal regulation to effectively transmit body heat to eggs during *** developed patch has several characteristics,including de-feathering,vasculariza... 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
Trends in colorectal cancer incidence according to an increase in the number of colonoscopy cases in Korea
收藏 引用
World Journal of Gastrointestinal Oncology 2024年 第1期16卷 51-60页
作者: Ga Hee Kim Yeong Chan lee Tae jun Kim Sung Noh Hong Dong Kyung chang Young-Ho Kim Dong-Hoon Yang chang Mo Moon Kyunga Kim Hyun Gun Kim Eun-Ran Kim Division of Gastroenterology Department of Internal MedicineAsan Medical CenterUniversity of Ulsan College of MedicineSeoul 05505South Korea Department of Digital Health Samsung Advanced Institute for Health Science and TechnologySungkyunkwan University School of MedicineSeoul 06351South Korea Division of Gastroenterology Department of Internal MedicineSamsung Medical CenterSungkyunkwan University School of MedicineSeoul 06351South Korea Division of Gastroenterology Department of Internal MedicineEwha Womans UniversitySeoul 07985South Korea Biomedical Statistics Center Samsung Medical CenterSeoul 06351South Korea Division of Gastroenterology Department of Internal MedicineSoonchunhyang University College of MedicineSeoul 04401South Korea
BACKGROUND The incidence of colorectal cancer(CRC)and preinvasive CRC(e.g.,early colon cancer and advanced adenoma)is gradually increasing in several *** To evaluate the trend in incidence of CRC and preinvasive CRC a... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
A New Method for Diagnosis of Leukemia Utilizing a Hybrid DL-ML Approach for Binary and Multi-Class Classification on a Limited-Sized Database
收藏 引用
Computer Modeling in Engineering & Sciences 2024年 第4期139卷 593-631页
作者: Nilkanth Mukund Deshpande Shilpa Gite Biswajeet Pradhan Abdullah Alamri chang-Wook lee Department of Electronics&Telecommunication LavaleSymbiosis Institute of TechnologySymbiosis International(Deemed University)PuneMaharashtra412115India Electronics&Telecommunication Dr.Vithalrao Vikhe Patil College of EngineeringAhmednagarMaharashtra414111India Artificial Intelligence and Machine Learning Department Symbiosis Institute of TechnologySymbiosis International(Deemed)UniversityPune412115India Symbiosis Centre of Applied AI(SCAAI) Symbiosis International(Deemed)UniversityPune412115India Centre for AdvancedModelling and Geospatial Information Systems(CAMGIS) School of Civil and Environmental EngineeringFaculty of Engineering&ITUniversity of Technology SydneySydneyAustralia Earth Observation Centre Institute of Climate ChangeUniversiti Kebangsaan MalaysiaBangiSelangor43600Malaysia Department of Geology&Geophysics College of ScienceKing Saud UniversityP.O.Box 2455Riyadh11451Saudi Arabia Department of Science Education Kangwon National UniversityChuncheon-si24341Korea
Infection of leukemia in humans causes many complications in its later *** impairs bone marrow’s ability to produce *** diagnosis of human blood cells is a well-known and well-proven technique for diagnosis in this *... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Insect-specific RNA virus affects the stylet penetration activity of brown citrus aphid(Aphis citricidus)to facilitate its transmission
收藏 引用
Insect Science 2024年 第1期31卷 255-270页
作者: Xin An Qiaoying Gu Jing Wang Tengyu chang Wei Zhang Jin-jun Wang Jinzhi Niu Key Laboratory of Entomology and Pest Control Engineering College of Plant ProtectionAcademy of Agricultural ScienceSouthwest UniversityChongqingChina
Sap-sucking insects often transmit plant viruses but also carry insect viruses,which infect insects but not *** impact of such insect viruses on insect host biology and ecology is largely ***,we identified a novel ins... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Long non-coding RNA GATA6-AS1 is mediated by N6-methyladenosine methylation and inhibits the proliferation and metastasis of gastric cancer
收藏 引用
World Journal of Gastrointestinal Oncology 2024年 第3期16卷 1019-1028页
作者: jun-Jie Shen Min-chang Li Shao-Qi Tian Wen-Ming Chen Department of Oncology Jiangxi Hospital of Integrated Chinese and Western MedicineNanchang 330000Jiangxi ProvinceChina Department of Hepatopancreatobiliary Surgery Jiangxi Hospital of Integrated Chinese and Western MedicineNanchang 330000Jiangxi ProvinceChina Clinical Medical School Jining Medical UniversityJining 272000Shandong ProvinceChina Department of Oncology Jining No.1 People’s HospitalJining 272011Shandong ProvinceChina
BACKGROUND Through experimental research on the biological function of GATA6-AS1,it was confirmed that GATA6-AS1 can inhibit the proliferation,invasion,and migration of gastric cancer cells,suggesting that GATA6-AS1 p... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Solid-state lithium-ion batteries for grid energy storage:opportunities and challenges
收藏 引用
Science China Chemistry 2024年 第1期67卷 43-66页
作者: Xin chang Yu-Ming Zhao Boheng Yuan Min Fan Qinghai Meng Yu-Guo Guo Li-jun Wan CAS Key Laboratory of Molecular Nanostructure and Nanotechnology CAS Research/Education Center for Excellence in Molecular SciencesBeijing National Laboratory for Molecular Sciences(BNLMS)Institute of ChemistryChinese Academy of Sciences(CAS)Beijing 100190China University of Chinese Academy of Sciences Beijing 100049China
The energy crisis and environmental pollution drive more attention to the development and utilization of renewable *** the capricious nature of renewable energy resource,it has difficulty supplying electricity directl... 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
Effect of solute Ce,Mn,and Si on mechanical properties of silicon steel:insights from DFT calculations
收藏 引用
Journal of Iron and Steel Research International 2024年 第3期31卷 700-709页
作者: Xiang-jun Liu Ji-chun Yang Hui-ping Ren Xiao-bin Jia Ming-yi Zhang chang-qiao Yang School of Materials and Metallurgy Inner Mongolia University of Science and TechnologyBaotou 014010Inner MongoliaChina Key Laboratory of Integrated Exploitation of Bayan Obo Multi-Metal Resource Inner Mongolia University of Science and TechnologyBaotou 014010Inner MongoliaChina Inner Mongolia North Heavy Industries Group Co. Ltd.Baotou 014010Inner MongoliaChina Inner Mongolia Metal Material Research Institute Baotou 014010Inner MongoliaChina
The influence of solute Ce,Mn,and Si on the mechanical properties of silicon steel was investigated by first-principles ***,Mn,and Si can all be solubilized in Fe *** significantly reduces the incompressibility and ri... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
A dose-dependent bimodal switch by homologous Aux/IAA transcriptional repressors
收藏 引用
Molecular Plant 2024年 第9期17卷 1407-1422页
作者: Hyung-Taeg Cho Minsu lee Hee-Seung Choi Kwang-Ho Maeng Kyeonghoon lee Ha-Yeon lee Anindya Ganguly Hoonyoung Park chang-Hoi Ho Department of Biological Sciences Seoul National UniversitySeoulKorea School of Earth and Environmental Sciences Seoul National UniversitySeoulKorea Department of Climate and Energy Systems Engineering Ewha Womans UniversitySeoulKorea
Combinatorial interactions between different regulators diversify and enrich the chance of transcriptional regulation in eukaryotic ***,a dose-dependent functional switch of homologous transcriptional repressors has r... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Spatially distributed cytokinins:Metabolism,signaling,and transport
收藏 引用
Plant Communications 2024年 第7期5卷 52-67页
作者: Jiangzhe Zhao Jingqi Wang Jie Liu Penghong Zhang Guzel Kudoyarova chang-jun Liu Kewei Zhang Zhejiang Provincial Key Laboratory of Biotechnology on Specialty Economic Plants College of Life SciencesZhejiang Normal UniversityJinhuaZhejiang 321004P.R.China Ufa Institute of Biology Ufa Federal Research CenterRASProspekt Oktyabrya 69Ufa 450054Russia Biology Department Brookhaven National LaboratoryUptonNY 11973USA
Cytokinins are mobile phytohormones that regulate plant growth,development,and environmental *** major cytokinin species include isopentenyl adenine(iP),trans-zeatin(tZ),cis-zeatin(cZ),and dihydrozeatin(DZ).The spatia... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Structural Properties of Ions and Polyelectrolytes in Aqueous Solutions under External Electric Fields:The Sign Effect
收藏 引用
Chinese Journal of Polymer Science 2024年 第9期42卷 1341-1352,I0007页
作者: Cheng-Jiang Lin jun-jun Wang Yuan Jiang Shu-Li Chen Hong-Fei Li Wen-Han Zhao Qing-Rong Huang chang-Ru Rong Xiao-Zheng Duan State Key Laboratory of Polymer Physics and Chemistry Changchun Institute of Applied ChemistryChinese Academy of SciencesChangchun130022China School of Applied Chemistry and Engineering University of Science and Technology of ChinaHefei230026China National Key Laboratory of Advanced Vehicle Integration and Control China FAW Group Co.Ltd.Changchun130013China State Key Laboratory of Molecular Engineering of Polymers Department of Macromolecular ScienceFudan UniversityShanghai200438China Department of Food Science Rutgers University65 Dudley RoadNew BrunswickNew Jersey08901USA
We utilize molecular dynamics simulations to investigate the microstructures of ions and polyelectrolytes in aqueous solutions under external electric *** focusing on the multi-body interactions between ionic componen... 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