咨询与建议

限定检索结果

文献类型

  • 160,831 篇 期刊文献
  • 12,780 篇 会议
  • 13 册 图书

馆藏范围

  • 173,624 篇 电子文献
  • 0 种 纸本馆藏

日期分布

学科分类号

  • 98,229 篇 工学
    • 35,317 篇 材料科学与工程(可...
    • 21,481 篇 化学工程与技术
    • 13,398 篇 环境科学与工程(可...
    • 13,262 篇 机械工程
    • 12,680 篇 电气工程
    • 12,616 篇 计算机科学与技术...
    • 10,320 篇 电子科学与技术(可...
    • 9,567 篇 力学(可授工学、理...
    • 8,631 篇 冶金工程
    • 8,550 篇 动力工程及工程热...
    • 8,464 篇 水利工程
    • 7,856 篇 地质资源与地质工...
    • 7,101 篇 控制科学与工程
    • 6,655 篇 生物医学工程(可授...
    • 6,390 篇 信息与通信工程
  • 90,253 篇 理学
    • 29,827 篇 化学
    • 28,185 篇 生物学
    • 23,434 篇 物理学
    • 10,281 篇 地球物理学
    • 8,731 篇 天文学
    • 8,514 篇 地质学
    • 7,910 篇 数学
    • 6,964 篇 生态学
    • 6,335 篇 大气科学
  • 56,052 篇 医学
    • 43,476 篇 临床医学
    • 10,934 篇 基础医学(可授医学...
    • 7,751 篇 公共卫生与预防医...
    • 7,161 篇 药学(可授医学、理...
  • 25,788 篇 农学
    • 11,477 篇 作物学
    • 5,575 篇 农业资源与环境
  • 7,623 篇 管理学
  • 5,224 篇 经济学
  • 3,404 篇 法学
  • 2,111 篇 教育学
  • 1,145 篇 文学
  • 611 篇 艺术学
  • 388 篇 历史学
  • 333 篇 军事学
  • 206 篇 哲学

主题

  • 1,386 篇 cancer
  • 1,238 篇 china
  • 1,191 篇 of
  • 1,166 篇 中国
  • 1,120 篇 and
  • 1,009 篇 microstructure
  • 789 篇 analysis
  • 701 篇 model
  • 695 篇 rice
  • 625 篇 covid-19
  • 588 篇 rare earths
  • 578 篇 mechanical prope...
  • 551 篇 inflammation
  • 543 篇 apoptosis
  • 520 篇 treatment
  • 486 篇 liver
  • 457 篇 diagnosis
  • 457 篇 disease
  • 452 篇 deep learning
  • 445 篇 system

机构

  • 2,536 篇 university of ch...
  • 936 篇 university of ch...
  • 314 篇 shenyang nationa...
  • 303 篇 institute of met...
  • 208 篇 school of materi...
  • 193 篇 state key labora...
  • 186 篇 institute of geo...
  • 186 篇 institute of geo...
  • 156 篇 graduate univers...
  • 113 篇 graduate univers...
  • 102 篇 state key labora...
  • 98 篇 institute of met...
  • 97 篇 北京大学
  • 91 篇 college of resou...
  • 82 篇 ieee
  • 81 篇 national mobile ...
  • 77 篇 research center ...
  • 73 篇 state key labora...
  • 72 篇 shenyang nationa...
  • 71 篇 state key labora...

作者

  • 318 篇 wei zhang
  • 317 篇 wei wang
  • 311 篇 wei li
  • 244 篇 lei zhang
  • 243 篇 yang liu
  • 221 篇 li li
  • 213 篇 lei wang
  • 207 篇 jing wang
  • 200 篇 yu zhang
  • 199 篇 wei chen
  • 173 篇 wei liu
  • 171 篇 yang yang
  • 165 篇 jun li
  • 159 篇 li zhang
  • 158 篇 yan zhang
  • 156 篇 yang li
  • 154 篇 jing li
  • 141 篇 xin wang
  • 137 篇 li wang
  • 134 篇 jing zhang

语言

  • 159,868 篇 英文
  • 13,755 篇 中文
  • 1 篇 日文
检索条件"机构=NMR Research Unit"
173624 条 记 录,以下是1-10 订阅
排序:
Resistance risk assessment of six pyrethroids and acephate toward the resistant adult tarnished plant bug,Lygus lineolaris
收藏 引用
Insect Science 2024年 第3期31卷 792-802页
作者: Yuzhe Du Shane Scheibener Yucheng Zhu Maribel Portilla Mingling Zhang USDA-ARS Southern Insect Management Research UnitStonevilleUSA USDA-ARS Pollinator Health in Southern Crop Ecosystem Research UnitStonevilleUSA
Due to rapidly developed resistance,pest management relies less on pyrethroids to control economically damaging infestations of the tarnished plant bug(TPB),Lygus lineolaris(Palisot de Beauvois)in cotton fields of ***... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Characterisation of the granular dynamics at the interface between a pipe and a granular flow in a rotating drum
收藏 引用
Particuology 2024年 第3期86卷 117-125页
作者: Francois Rioual Paule Emmanuelle Eva Gbehe research unit FRISE National Research Institute for Agriculture Food and the Environment1 Rue Pierre Gilles De Gennes92160AntonyFrance
A new mobile bed heat exchanger is presented in this work which is composed of a flowing granular material in a rotating drum and a cylindrical pipe with potential interest in different energy applications as cooling,... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
What is the effect of Tribulus terrestris on testicular morphology and sperm production?An experimental study in the rat model
收藏 引用
Asian Journal of Andrology 2024年 第1期26卷 67-70页
作者: Marcello Henrique Araujo Da Silva Gabriela Faria Buys-Goncalves Joao Henrique Duque Reis Estrada Francisco Jose Barcellos Sampaio Diogo Benchimol de Souza Urogenital research unit Rio de Janeiro State UniversityRio de Janeiro 20551-030RJBrazil
The objective of this study was to investigate whether treatment with Tribulus terrestris(Tt)has any impact on the testicular morphology and function in a rodent *** male rats were divided into a control group and a g... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Catalytic Effect of Transition Metal Complexes of Triaminoguanidine on the Thermolysis of Energetic NC/DEGDN Composite
收藏 引用
火炸药学报 2024年 第3期47卷 209-219,I0003页
作者: Mohammed Dourari Ahmed Fouzi Tarchoun Djalal Trache Amir Abdelaziz Roufaida Tiliouine Tessnim Barkat Weiqiang Pang Energetic Materials Laboratory(EMLab) Teaching and Research Unit of Energetic ProcessesEcole Militaire PolytechniqueBP 17Bordj El-Bahri16046AlgiersAlgeria Xi′an Modern Chemistry research Institute Xi′an 710065China
The transition metal complexes of triaminoguanidine(TAG-M,where M=Cobalt(Co)or Iron(Fe))have been *** catalytic effect of these complexes on the thermolysis of energetic composite based on nitrocellulose and diethylen... 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
Improving the structural efficiency of textured threedimensional concrete printing wall by architectural design
收藏 引用
Frontiers of Structural and Civil Engineering 2024年 第5期18卷 699-715页
作者: Wannapol SADAKORN Santirak PRASERTSUK Lapyote PRASITTISOPIN Architectural Technology research unit Department of ArchitectureFaculty of ArchitectureChulalongkorn UniversityBangkok 10330Thailand Faculty of Architecture and Planning Thammasat UniversityPathumthani 12121Thailand
Three-dimensional concrete printing(3DCP)technology begins to be adopted into construction application *** studies have focused on producing a higher concrete quality and offering a user-friendly construction ***,the ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Impact of apolipoprotein E isoforms on sporadic Alzheimer's disease:beyond the role of amyloid beta
收藏 引用
Neural Regeneration research 2024年 第1期19卷 80-83页
作者: Madia Lozupone Francesco Panza Neurodegenerative Disease unit Department of Basic MedicineNeuroscienceand Sense OrgansUniversity of Bari Aldo MoroBariItaly unit of research Methodology and Data Sciences for Population Health National Institute of Gastroenterology“Saverio de Bellis”Research HospitalCastellana GrotteBariItaly
The impact of apolipoprotein E(ApoE)isoforms on sporadic Alzheimer's disease has long been studied;however,the influences of apolipoprotein E gene(APOE)on healthy and pathological human brains are not fully *** exists... 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
Circadian rhythm disruption and retinal dysfunction:a bidirectional link in Alzheimer’s disease?
收藏 引用
Neural Regeneration research 2024年 第9期19卷 1967-1972页
作者: Laura Carrero DesireéAntequera Cristina Municio Eva Carro Group of Neurodegenerative Diseases Hospital Universitario 12 de Octubre Research Institute(imas12)MadridSpainNetwork Center for Biomedical Research in Neurodegenerative Diseases(CIBERNED)ISCIIIMadridSpain PhD Program in Neuroscience Autonoma de Madrid UniversityMadridSpain Neurobiology of Alzheimer’s Disease unit Functional Unit for Research into Chronic DiseasesInstituto de Salud Carlos IIIMadridSpainNetwork Centre for Biomedical Research in Neurodegenerative Diseases(CIBERNED)ISCIIIMadridSpain
Dysfunction in circadian rhythms is a common occurrence in patients with Alzheimer’s disease.A predominant function of the retina is circadian synchronization,carrying information to the brain through the retinohypot... 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
Bicycle-related traumatic injuries: a retrospective study during COVID-19 pandemic
收藏 引用
World Journal of Emergency Medicine 2024年 第4期15卷 256-262页
作者: Jie Er Janice Soo Yuan Helen Zhang Gek Hsiang Lim Fatimah Lateef Department of Emergency Medicine Singapore General HospitalSingapore 168753Singapore Health Services research unit Singapore General HospitalSingapore168753Singapore
BACKGROUND:This study aimed to review bicycle-related injuries during the COVID-19 pandemic to assist with reinforcement or implementation of new policies for injury ***:This is a retrospective descriptive analysis of... 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 metal fractions on rice grain metal uptake and biological parameters in mica mines waste contaminated soils
收藏 引用
Journal of Environmental Sciences 2024年 第2期136卷 313-324页
作者: Saibal Ghosh Sandip Mondal Jajati Mandal Abhishek Mukherjee Pradip Bhattacharyya Agricultural and Ecological research unit Indian Statistical InstituteGiridihJharkhand 815301India School of Science Engineering&EnvironmentUniversity of SalfordManchester M54WTUK
Heavy metals from mica waste not only deteriorate the soil quality but also results in the uptake of metals in the *** present investigation was conducted to evaluate the effects of different fractions of metals on th... 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
Ordinary Urban Heritage of Rattanakosin: Ordinary restaurants and everyday foods of the historic center of Bangkok
收藏 引用
Frontiers of Architectural research 2024年 第2期13卷 335-348页
作者: Prin Jhearmaneechotechai Design for Creative Economy research unit Department of Urban and Regional PlanningFaculty of ArchitectureChulalongkorn UniversityBangkok 10330Thailand
This paper discussed the selection criteria for Ordinary Urban Heritage (OUH) in Rattanakosin, the historic center of Bangkok through the case of ordinary restaurants and everyday foods. The OUH stands for an alternat... 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