咨询与建议

限定检索结果

文献类型

  • 6,074 篇 期刊文献
  • 288 篇 会议
  • 243 册 图书
  • 66 篇 学位论文
  • 3 篇 报纸

馆藏范围

  • 6,526 篇 电子文献
  • 148 种 纸本馆藏

日期分布

学科分类号

  • 2,280 篇 医学
    • 1,862 篇 临床医学
    • 135 篇 公共卫生与预防医...
    • 94 篇 中西医结合
    • 89 篇 药学(可授医学、理...
  • 2,069 篇 工学
    • 311 篇 材料科学与工程(可...
    • 254 篇 计算机科学与技术...
    • 252 篇 化学工程与技术
    • 179 篇 建筑学
    • 164 篇 机械工程
    • 161 篇 电子科学与技术(可...
    • 118 篇 仪器科学与技术
    • 108 篇 软件工程
    • 102 篇 控制科学与工程
    • 92 篇 交通运输工程
    • 88 篇 信息与通信工程
    • 88 篇 环境科学与工程(可...
  • 1,164 篇 理学
    • 287 篇 生物学
    • 188 篇 数学
    • 172 篇 化学
    • 116 篇 物理学
    • 89 篇 生态学
  • 529 篇 农学
    • 128 篇 作物学
    • 128 篇 农业资源与环境
  • 489 篇 管理学
    • 221 篇 管理科学与工程(可...
    • 147 篇 公共管理
    • 110 篇 工商管理
  • 312 篇 经济学
    • 278 篇 应用经济学
  • 283 篇 教育学
    • 154 篇 教育学
    • 108 篇 体育学
  • 180 篇 文学
    • 91 篇 外国语言文学
  • 156 篇 法学
  • 150 篇 艺术学
  • 51 篇 历史学
  • 50 篇 哲学
  • 15 篇 军事学

主题

  • 42 篇 cancer
  • 41 篇 analysis
  • 39 篇 美国
  • 35 篇 中国
  • 31 篇 treatment
  • 28 篇 mortality
  • 27 篇 liver
  • 27 篇 diagnosis
  • 27 篇 obesity
  • 27 篇 surgery
  • 24 篇 and
  • 24 篇 quality
  • 23 篇 case report
  • 23 篇 model
  • 22 篇 diabetes
  • 21 篇 prevalence
  • 20 篇 艺术家
  • 20 篇 epidemiology
  • 20 篇 covid-19
  • 19 篇 therapy

机构

  • 21 篇 北京大学
  • 18 篇 山东大学
  • 18 篇 清华大学
  • 16 篇 上海交通大学
  • 15 篇 香港大学
  • 12 篇 清华大学第一附属...
  • 12 篇 university of ch...
  • 12 篇 海博莱生物大药厂...
  • 11 篇 the medical scho...
  • 11 篇 北京师范大学
  • 11 篇 华盛顿大学
  • 10 篇 华中科技大学
  • 10 篇 中国石油大学
  • 9 篇 中山大学
  • 9 篇 复旦大学
  • 9 篇 厦门大学
  • 9 篇 《中国美容整形外科...
  • 8 篇 香港理工大学
  • 8 篇 同济大学
  • 8 篇 department of ma...

作者

  • 150 篇 daniel
  • 27 篇 daniel robinson
  • 21 篇 daniel zamarbide
  • 18 篇 daniel dias
  • 16 篇 daniel p.dern
  • 15 篇 daniel grotta
  • 14 篇 daniel allen
  • 13 篇 daniel t.blumste...
  • 11 篇 叶天雄
  • 11 篇 balla keita
  • 11 篇 daniel wong
  • 11 篇 daniel k. fisher
  • 10 篇 daniel agbo-panz...
  • 10 篇 daniel a. abaye
  • 10 篇 周绪斌
  • 10 篇 daniel azoulay
  • 9 篇 daniel a.walser
  • 9 篇 daniel darbouret
  • 8 篇 cassiano antonio...
  • 8 篇 daniel vasile ba...

语言

  • 3,937 篇 英文
  • 2,734 篇 中文
检索条件"作者=daniel A.P.Gue.ra"
6674 条 记 录,以下是91-100 订阅
排序:
Cheaper precision Weapons: An Exploratory Study about the HESA Shahed 136
收藏 引用
Advances in Aerospace Science and Technology 2024年 第1期9卷 40-59页
作者: daniel Zampronha Aline Albuquerque National Institute for Applied Sciences Rouen Normandie Rouen France programme of pos-Graduation in Bioethics University of Brasília Brasília Brazil
The ability to hit a target with precision and from a great distance has been reserved for the world’s superpowers. However, this resource is increasingly being threatened as drones with this long-range and precision... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Risk factors for long COVID in children and adolescents:a systematic review and meta-analysis
收藏 引用
World Journal of pediatrics 2024年 第2期20卷 133-142页
作者: daniel G.rayner Elaine Wang Cloris Su Om D.patel Stephanie Aleluya Alessandra Giglia Evelyn Zhu Maha Siddique Department of Health Research Methods Evidenceand ImpactFaculty of Health SciencesMcMaster University1280 Main St WHamiltonONL8S 4K1Canada Faculty of Health Sciences McMaster University1280 Main St WHamiltonON L8S 4K1Canada Faculty of Science McMaster University1280 Main St WHamiltonONL8S 4K1Canada
Background The long-term sequelae of COVID-19 in children and adolescents remain poorly understood and *** systematic review and meta-analysis sought to summarize the risk factors for long COVID in the pediatric *** W... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Evaluation of a hepatic biomarker of nutritional imbalance in juvenile red drum(Sciaenops ocellatus) fed 60% soybean meal-based diets using NMR-based metabolomics
收藏 引用
Animal Nutrition 2024年 第1期16卷 45-61页
作者: Fabio Casu Aaron M.Watson Justin Yost T.Gibson Gaylord daniel W.Bearden Michael R.Denson Marine Resources Research Institute South Carolina Department of Natural Resources Bozeman Fish Technology Center United States Fish and Wildlife Service Marine Biochemical Sciences Group Chemical Sciences Division National Institute of Standards and Technology Hollings Marine Laboratory
A 12-week feeding trial with juvenile red drum(Sciaenops ocellatus) fed high-soybean meal(SBM) diets was conducted to investigate a putative biomarker of nutritional imbalance, N-formimino-L-glutamate(FIGLU). Three fi... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
Removal of endocrine disrupting chemicals from water through urethane functionalization of microfiltration membranes via electron beam irradiation
收藏 引用
Frontiers of Environmental Science & Engineering 2024年 第4期18卷 61-74页
作者: Zahra Niavarani daniel Breite Muhammad Yasir Vladimir Sedlarik Andrea prager Nadja Schönherr Bernd Abel Roger Gläser Agnes Schulze Leibniz Institute of Surface Engineering eV.(IOM) Permoserstrasse 1504318 LeipzigGermany Centre of polymer Systems University InstituteTomas Bata University in ZlinTrida Tomase Bati 567876001 ZlinCzech Republic Institute of Chemical Technology Leipzig UniversityLinnestrasse 304103 LeipzigGermany
polyethersulphone(pES)membranes modified with urethane functional groups were prepared through an interfacial reaction using electron beam *** removal of eight endocrine disrupting chemicals(EDCs)was studied using bot... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Floristic composition and edaphic relationships in ferruginous campo rupestre reference ecosystems
收藏 引用
Journal of Mountain Science 2024年 第3期21卷 719-733页
作者: G.Wilson FERNANDES Letícia raMOS Dario C.pAIVA Jéssica CUNHA-BLUM Vanessa Matos GOMES daniel NEGREIROS Ecologia Evolutiva&Biodiversidade Departamento de GenéticaEcologia e Evolução/ICBUniversidade Federal de Minas Gerais31270-901Belo HorizonteMGBrazil Knowledge Center for Biodiversity 31270-901Belo HorizonteMGBrazil Department of Biological Sciences Institute of EnvironmentFlorida International UniversityMiamiFL 33199USA programa de pós Graduação em Biodiversidade e Uso dos Recursos Naturais Universidade Estadual de Montes ClarosMontes ClarosMGBrazil Laboratório de Estudo das Relações Solo-planta Departamento de SolosUniversidade Federal Rural do Rio de JaneiroSeropédicaRGBrazil
Land use change and occupation have led to modifications in the environment causing loss of biodiversity and ecosystem services throughout the *** environments with high economic relevance,such as the ferruginous camp... 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
Inferior vena cava reconstruction in extended right hepatectomy
收藏 引用
Hepatobiliary & pancreatic Diseases International 2024年 第5期23卷 533-534页
作者: Karin KY Ho Sui Ling Sin Kin pan Au Henry HY Lee daniel TL Chan Albert Chan Department of Surgery The University of Hong Kong102 Pok Fu Lam RoadHong KongChina Department of Surgery Yan Chai Hospital7 Yan Chai StreetHong KongChina State Key Laboratory of Liver Research(Li Ka Shing Faculty of Medicine The University of Hong Kong)102 Pok Fu Lam RoadHong KongChina
To the Editor : Barcelona Clinic Liver Cancer(BCLC) Stage C hepatocellular carcinoma(HCC) with vascular invasion has been considered unresectable. However, the curative rate from systemic treatment is rather dismal. E... 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
Solid pancreatic masses:What’s hidden beneath?Insights into rare pancreatic lesions
收藏 引用
World Journal of Clinical Cases 2024年 第29期12卷 6255-6257页
作者: daniel Vasile Balaban Department of Internal Medicine and Gastroenterology Carol Davila University of Medicine and PharmacyBucharest 020021Romania
The diagnostic approach to solid pancreatic masses has significantly evolved from the era when a focal pancreatic mass was almost synonymous to pancreatic ductal adenocarcinoma,to a wide spectrum of pancreatic lesions... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Morphometric Attributes of Two Native Forage Species According to Water Source Distance in Semiarid Central Grasslands of Argentina
收藏 引用
phyton-International Journal of Experimental Botany 2024年 第8期93卷 2063-2074页
作者: Carla Etel Suárez María Sol Rossini Ernesto Francisco Atilio Morici Héctor daniel Esterlich Laboratorio de Ecología en Ambientes Semiáridos Ecología VegetalFacultad de AgronomíaUNLPamSanta Rosa6300Argentina Facultad de Ciencias Veterinarias UNLPamGeneral Pico6360Argentina Becaria Doctoral CONICET APNFacultad de AgronomíaUNLPamSanta Rosa6300Argentina
The semiarid grasslands of Argentina’s central region have been modified by domestic livestock grazing,both in their composition and *** increase in the proportion of woody and non-forage species and the decrease in ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Utilizing semantic-level computer vision for fracture trace characterization of hard rock pillars in underground space
收藏 引用
Geoscience Frontiers 2024年 第2期15卷 366-391页
作者: Chuanqi Li Jian Zhou daniel Dias Laboratory 3SR CNRS UMR 5521Grenoble Alpes UniversityGrenoble 38000France School of Resources and Safety Engineering Central South UniversityChangsha 410083China
This study utilizes a semantic-level computer vision-based detection to characterize fracture traces of hard rock pillars in underground *** trace images captured by photogrammetry are used to establish the database f... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Low-temperature replacement construction of three-dimensional corrosion-resistant interface for deeply rechargeable Zn metal batteries
收藏 引用
Nano Materials Science 2024年 第3期6卷 329-336页
作者: Jinze Li daniel Rohrens Gianluca Dalfollo Xiaochao Wu Ziheng Lu Qiang Gao Bo Han Ruimin Sun Chenggang Zhou Jindi Wang Zhao Cai Faculty of Materials Science and Chemistry China University of GeosciencesWuhan430074China Institute of Inorganic Chemistry RWTH Aachen UniversityAachen52074Germany Microsoft Research AI4Science Beijing10080China Institute of New Energy on Chemical Storage and power Sources College of Applied Chemistry and Environmental EngineeringYancheng Teachers UniversityYancheng224000China
Aqueous Zn batteries are promising candidates for grid-scale renewable energy *** electrodes have been widely investigated and applied as anode materials for aqueous Zn batteries,however,they suffer from limited surfa... 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