咨询与建议

限定检索结果

文献类型

  • 84,002 篇 期刊文献
  • 2,901 册 图书
  • 2,129 篇 会议
  • 36 篇 学位论文
  • 19 篇 报纸

馆藏范围

  • 87,775 篇 电子文献
  • 1,370 种 纸本馆藏

日期分布

学科分类号

  • 29,541 篇 医学
    • 19,280 篇 临床医学
    • 2,803 篇 中西医结合
    • 2,683 篇 医学技术(可授医学...
    • 2,475 篇 公共卫生与预防医...
    • 2,472 篇 护理学(可授医学、...
    • 2,213 篇 基础医学(可授医学...
    • 1,945 篇 药学(可授医学、理...
  • 28,922 篇 工学
    • 4,097 篇 材料科学与工程(可...
    • 3,589 篇 化学工程与技术
    • 2,187 篇 生物医学工程(可授...
    • 2,130 篇 机械工程
    • 2,121 篇 计算机科学与技术...
    • 1,696 篇 电子科学与技术(可...
    • 1,411 篇 仪器科学与技术
    • 1,338 篇 环境科学与工程(可...
    • 1,308 篇 水利工程
    • 1,246 篇 软件工程
  • 12,385 篇 理学
    • 2,360 篇 化学
    • 2,267 篇 生物学
    • 1,786 篇 数学
    • 1,660 篇 物理学
  • 8,431 篇 农学
    • 1,920 篇 作物学
    • 1,576 篇 农业资源与环境
    • 1,418 篇 畜牧学
  • 6,721 篇 教育学
    • 3,320 篇 体育学
    • 3,129 篇 教育学
  • 5,995 篇 管理学
    • 2,252 篇 管理科学与工程(可...
    • 1,889 篇 公共管理
    • 1,388 篇 工商管理
  • 2,987 篇 经济学
    • 2,554 篇 应用经济学
  • 1,986 篇 法学
  • 1,855 篇 文学
  • 725 篇 艺术学
  • 594 篇 历史学
  • 505 篇 哲学
  • 173 篇 军事学

主题

  • 384 篇 美国
  • 303 篇 影响因素
  • 302 篇 ct
  • 279 篇 中国
  • 266 篇 护理
  • 251 篇 应用
  • 247 篇 儿童
  • 219 篇 患者
  • 219 篇 mri
  • 207 篇 病人
  • 187 篇 产量
  • 179 篇 对策
  • 169 篇 治疗
  • 162 篇 高校
  • 157 篇 生活质量
  • 149 篇 of
  • 144 篇 大学生
  • 132 篇 诊断
  • 130 篇 北美洲
  • 130 篇 糖尿病

机构

  • 371 篇 西安交通大学
  • 350 篇 武汉大学
  • 337 篇 西北农林科技大学
  • 259 篇 中南大学湘雅医院
  • 254 篇 东南大学
  • 187 篇 中国地质大学
  • 176 篇 华中科技大学
  • 173 篇 北京大学
  • 169 篇 山东大学
  • 166 篇 兰州交通大学
  • 166 篇 浙江大学
  • 153 篇 江南大学
  • 152 篇 苏州大学
  • 150 篇 清华大学
  • 147 篇 天津大学
  • 141 篇 吉林大学
  • 136 篇 解放军总医院
  • 135 篇 中南大学
  • 127 篇 贵州大学
  • 125 篇 暨南大学

作者

  • 149 篇 许爱娥
  • 113 篇 李玉娥
  • 91 篇 孙娥
  • 85 篇 h.murayama
  • 85 篇 j.d.jackson
  • 85 篇 g.d'ambrosio
  • 85 篇 m.white
  • 78 篇 左剑恶
  • 77 篇 梁惠娥
  • 69 篇 李娥
  • 68 篇 叶鹏
  • 61 篇 p.de jong
  • 56 篇 王东胜
  • 55 篇 王金娥
  • 54 篇 张凤娥
  • 53 篇 郭菊娥
  • 52 篇 李月娥
  • 51 篇 杨淑娥
  • 49 篇 梅姝娥
  • 49 篇 王锷

语言

  • 73,391 篇 中文
  • 15,682 篇 英文
  • 2 篇 日文
  • 1 篇 法文
检索条件"作者=e.uardo A.Ol.ve.ra"
89087 条 记 录,以下是1-10 订阅
排序:
Assessment of the environmental kuznets curve within eU-27:Steps toward environmental sustainability(1990-2019)
收藏 引用
environmental Science and ecotechnology 2024年 第2期18卷 91-103页
作者: Safwan Mohammed Abid rashid Gill Kaushik Ghosal Main Al-Dalahmeh Karam Alsafadi Szilárd Szabó Judit oláh Ali Alkerdi Akasairi Ocwa endre Harsanyi Institute of Land Use Engineering and Precision Farming TechnologyFaculty of Agricultural and Food Sciences and Environmental ManagementUniversity of DebrecenBöszörményi 138H-4032DebrecenHungary Institutes for Agricultural Research and educational Farm University of DebrecenBöszörményi 138H-4032DebrecenHungary Department of economics The Islamia University of BahawalpurPakistan Department of Mining engineering Indian Institute of Engineering Science and TechnologyShibpurP.O.711103Botanic GardenHowrahWest Bengal711103India Institute of Management and Organization Sciences Faculty of Economics and BusinessUniversity of DebrecenEgyetem Tér 14032DebrecenHungary School of Geographical Sciences Nanjing University of Information Science and TechnologyNanjing210044China Department of Physical Geography and Geoinformatics Faculty of Sciences and TechnologyUniversity of DebrecenEgyetem tér 14032DebrecenHungary Faculty of economics and Business University of Debrecen4032DebrecenHungary Department of Trade and Finance Faculty of Economics and ManagementCzech University of Life SciencesPrague16500PragueCzech Republic Department of Agricultural economics Faculty of AgricultureKahramanmaras SütçüImam UniversityTurkey Department of Agriculture Production Faculty of AgricultureKyambogo University P.O.B.1KyambogoKampalaUganda
Reducing environmental pollution is a critical goal in global environmental economics and economic *** european Union(eU)faces environmental challenges due to its development *** we present a comprehensive approach to... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Methionine sources and genotype affect embryonic intestinal development,antioxidants,tight junctions,and growth-related gene expression in chickens
收藏 引用
Animal Nutrition 2024年 第1期16卷 218-230页
作者: James K.Lugata Sawadi F.Ndunguru Gebrehaweria K.Reda Xénia e.Ozsváth eszter Angyal Levente Czeglédi Gabriella Gulyás Renáta Knop János oláh Zoltán Mészár Rita Varga Brigitta Csernus Csaba Szabó Department of Animal Nutrition and Physiology Faculty of Agriculture and Food Sciences and Environmental ManagementUniversity of DebrecenDebrecenHungary Department of Animal Husbandry Faculty of Agriculture and Food Sciences and Environmental ManagementUniversity of DebrecenDebrecenHungary Faculty of Agriculture and Food Sciences and environmental Management Doctoral School of Animal ScienceUniversity of DebrecenDebrecenHungary Institutes for Agricultural Research and educational Farm University of DebrecenDebrecenHungary Department of Anatomy Histology and EmbryologyFaculty of MedicineUniversity of DebrecenDebrecenHungary Department of evolutionary Zoology and Human Biology Faculty of Science and TechnologyUniversity of DebrecenDebrecenHungary
Methionine(Met)is an essential and first limiting amino acid in the poultry diet that plays a significant role in chicken embryonic development and *** present study examined the effect of in ovo injection of DL-Met a... 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
Four buildings and a flush:Lessons from degraded water quality and recommendations on building water management
收藏 引用
environmental Science and ecotechnology 2024年 第2期18卷 104-113页
作者: Kyungyeon ra Caitlin Proctor Christian Ley Danielle Angert Yoorae Noh Tolulope Odimayomi Andrew J.Whelton Lyles School of Civil engineering Purdue University550 Stadium Mall DriveWest LafayetteIN47907USA Agricultural and Biological engineering Division of Environmental and Ecological EngineeringPurdue UniversityWest LafayetteIN47907USA Division of environmental and ecological engineering Purdue UniversityWest LafayetteIN47907USA Civil and environmental engineering University of Colorado1111 Engineering DriveBoulderCO80309USA Civil Architectural and Environmental EngineeringUniversity of Texas301E E Dean Keeton StreetAustinTX78712USA Civil and environmental engineering Virginia Tech750 Drillfield DriveBlacksburgVA24061USA Lyles School of Civil engineering Division of Environmental and Ecological EngineeringPurdue University550 Stadium Mall DriveWest LafayetteIN47907USA
A reduction in building occupancy can lead to stagnant water in plumbing,and the potential consequences for water quality have gained increasing *** investigate this,a study was conducted during the COVID-19 pandemic,... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Within-host models unravelling the dynamics of dengue reinfections
收藏 引用
Infectious Disease Modelling 2024年 第2期9卷 458-473页
作者: Vizda Anam Bruno V.Guerrero Akhil Kumar Srivastav Nico Stollenwerk Maíra Aguiar Basque Center for Applied Mathematics Basque CountrySpain Department of Mathematics and Statistics University of Basque CountryBasque CountrySpain Ikerbasque Basque Foundation for ScienceBasque CountrySpain
Caused by four serotypes,dengue fever is a major public health concern *** modeling efforts have mostly focused on primary and heterologous secondary infections,assuming that lifelong immunity prevents reinfections by... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Simplified seismic scenario analysis of existing masonry buildings accounting for local site effects
收藏 引用
Frontiers of Structural and Civil engineering 2024年 第2期18卷 309-318页
作者: Ayşe e.ÖZSOYÖZBAY Işıl SANRI KAraPINAR Zehra N.KUTLU İsmail e.KILIÇ Department of Civil engineering Maltepe UniversityIstanbul 34857Turkey School of engineering and Construction Oryx Universal CollegeDoha 12253Qatar
This study discusses the effects of local sites and hazard amplification on the seismic vulnerability assessment of existing masonry *** this context,a rapid seismic evaluation procedure was implemented on an old maso... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
CLASSIFICATIONS OF DUPIN HYPeRSURFACeS IN LIe SPHeRe GeOMeTRY
收藏 引用
Acta Mathematica Scientia 2024年 第1期44卷 1-36页
作者: Thomas e.CeCIL Department of Mathematics and Computer Science College of the Holy CrossWorcesterMA01610USA
This is a survey of local and global classification results concerning Dupin hypersurfaces in S^(n)(or R^(n))that have been obtained in the context of Lie sphere *** emphasis is on results that relate Dupin hypersurfa... 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
Investigating the impact of the universal function of the nuclear proximity potential in heavy-ion fusion cross sections
收藏 引用
Communications in Theoretical Physics 2024年 第5期76卷 86-93页
作者: R Gharaei e Sarvari Department of Physics Sciences FacultyHakim Sabzevari UniversityPO Box 397SabzevarIran Department of Physics Faculty of ScienceFerdowsi University of MashhadPO Box 91775-1436MashhadIran Science Faculty Department of PhysicsTarbiat Modares UniversityTehranIran
The fusion barriers and cross sections of 15 colliding systems with 320≤Z_(1)Z_(2)≤1512 are investigated in detail to understand the influence of the universal function of proximity potential formalism in the heavy-... 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
Are hydrides under high-pressure-high-temperature superconductors?
收藏 引用
National Science Review 2024年 第7期11卷 9-12页
作者: J.e.Hirsch Department of Physics University of California
Contrary to the current consensus, I argue that the existing evidence for high-temperature superconductivity in hydrides under high pressure is not compelling. I suggest that the focus of the field should urgently shi... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
FSCIL-eACA: Few-Shot Class-Incremental Learning Network Based on embedding Augmentation and Classifier Adaptation for Image Classification
收藏 引用
Chinese Journal of electronics 2024年 第1期33卷 139-152页
作者: Ruru ZHANG Haihong e Meina SONG School of Computer Science Beijing University of Posts and Telecommunications education Department Information Network engineering Research Center Beijing University of Posts and Telecommunications
The ability to learn incrementally is critical to the long-term operation of AI systems. Benefiting from the power of few-shot class-incremental learning(FSCIL), deep learning models can continuously recognize new cla... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
The effect of the concentration of plastic waste on the formation of reaction products of the Ti–PeT system
收藏 引用
Green Chemical engineering 2024年 第3期5卷 374-382页
作者: Aleksey e.Matveev Tomsk Scientific Center of the Siberian Branch of the Russian Academy of Sciences
The paper presents research results of the synthesis, phase composition, and structure of products obtained by highly exothermic reactions between Ti and C10H8O4mixture components, depending on the plastic waste conce... 详细信息
来源: 评论