咨询与建议

限定检索结果

文献类型

  • 208,465 篇 期刊文献
  • 1,365 篇 会议
  • 380 册 图书
  • 68 篇 学位论文
  • 1 篇 多媒体

馆藏范围

  • 210,035 篇 电子文献
  • 250 种 纸本馆藏

日期分布

学科分类号

  • 100,296 篇 工学
    • 17,624 篇 材料科学与工程(可...
    • 14,093 篇 机械工程
    • 12,660 篇 化学工程与技术
    • 11,047 篇 计算机科学与技术...
    • 8,089 篇 电气工程
    • 7,001 篇 动力工程及工程热...
    • 6,969 篇 电子科学与技术(可...
    • 6,755 篇 软件工程
    • 6,679 篇 土木工程
    • 6,171 篇 控制科学与工程
    • 6,069 篇 水利工程
    • 5,936 篇 仪器科学与技术
    • 5,834 篇 环境科学与工程(可...
    • 5,611 篇 地质资源与地质工...
    • 4,986 篇 力学(可授工学、理...
    • 4,790 篇 建筑学
  • 59,416 篇 医学
    • 39,092 篇 临床医学
    • 8,098 篇 中西医结合
    • 7,444 篇 药学(可授医学、理...
    • 6,679 篇 公共卫生与预防医...
    • 6,143 篇 基础医学(可授医学...
  • 42,776 篇 理学
    • 13,607 篇 化学
    • 10,437 篇 生物学
    • 9,960 篇 物理学
    • 5,394 篇 数学
  • 25,883 篇 农学
    • 8,107 篇 作物学
    • 5,532 篇 农业资源与环境
  • 15,508 篇 管理学
    • 6,956 篇 管理科学与工程(可...
  • 9,276 篇 教育学
    • 6,510 篇 教育学
  • 6,634 篇 经济学
    • 5,774 篇 应用经济学
  • 5,104 篇 法学
  • 3,321 篇 文学
  • 1,526 篇 历史学
  • 1,522 篇 艺术学
  • 1,103 篇 哲学
  • 686 篇 军事学

主题

  • 1,207 篇 数值模拟
  • 916 篇 应用
  • 746 篇 影响因素
  • 737 篇 大鼠
  • 734 篇 合成
  • 688 篇 治疗
  • 684 篇 产量
  • 630 篇 中国
  • 569 篇 诊断
  • 527 篇 对策
  • 522 篇 力学性能
  • 505 篇 水稻
  • 468 篇 设计
  • 462 篇 分析
  • 442 篇 儿童
  • 428 篇 危险因素
  • 425 篇 磁共振成像
  • 425 篇 预后
  • 335 篇 凋亡
  • 328 篇 遗传算法

机构

  • 1,502 篇 上海交通大学
  • 1,484 篇 中南大学
  • 1,407 篇 浙江大学
  • 1,305 篇 同济大学
  • 1,293 篇 哈尔滨工业大学
  • 1,258 篇 华南理工大学
  • 1,187 篇 四川大学
  • 1,163 篇 吉林大学
  • 1,136 篇 华中科技大学
  • 1,127 篇 西北工业大学
  • 1,040 篇 西北农林科技大学
  • 1,034 篇 大连理工大学
  • 1,023 篇 东北大学
  • 1,022 篇 清华大学
  • 888 篇 贵州大学
  • 848 篇 武汉大学
  • 826 篇 中国矿业大学
  • 792 篇 山东大学
  • 767 篇 北京大学
  • 743 篇 重庆大学

作者

  • 289 篇 王伟
  • 273 篇 王德
  • 270 篇 李德
  • 233 篇 李德华
  • 191 篇 张伟
  • 189 篇 张德
  • 185 篇 赵德明
  • 183 篇 王德明
  • 182 篇 吴德
  • 159 篇 谢德体
  • 159 篇 陈德
  • 149 篇 贾德民
  • 145 篇 刘德华
  • 141 篇 刘德明
  • 138 篇 张勇
  • 133 篇 李强
  • 131 篇 王德华
  • 124 篇 王德军
  • 124 篇 张德明
  • 123 篇 刘伟

语言

  • 193,535 篇 中文
  • 16,738 篇 英文
  • 3 篇 日文
  • 1 篇 西班牙文
检索条件"作者=Maiquel de brito"
210279 条 记 录,以下是71-80 订阅
排序:
Seasonal variation and host sex affect bat–bat fly interaction networks in the Amazonian savannahs
收藏 引用
Integrative Zoology 2024年 第3期19卷 400-416页
作者: Paulo MEJIA Gustavo Lima URBIETA Bruna da Silva XAVIER IsaíJorge de CASTRO JoséJúlio de TOLEDO Gustavo GRACIOLLI Lucio AndréVIANA DIAS William Douglas CARVALHO Programa de Pós-Graduação em Biodiversidade Tropical Universidade Federal do Amapá(UNIFAP)MacapáAPBrazil Programa de Pós-Graduação em Ecologia Instituto de BiologiaCentro de Ciências da SaúdeUniversidade Federal do Rio de Janeiro(UFRJ)Rio de JaneiroRJBrazil Laboratório de Mamíferos Instituto de Pesquisas Científicas e Tecnológicas do Estado do Amapá(IEPA)MacapáAPBrazil Programa de Pós-Graduação em Biologia Animal Laboratório de SistemáticaEcologia e Evolução(LSEE)Instituto de BiociênciasUniversidade Federal de Mato Grosso do Sul(UFMS)Campo GrandeMTBrazil Terrestrial Ecology Group(TEG-UAM) Departamento de EcologíaFacultad de CienciasUniversidad Autónoma de MadridMadridSpain Centro de Investigación en Biodiversidad y Cambio Global(CIBC-UAM) Universidad Autónoma de MadridMadridSpain
Bats are the second-most diverse group of mammals in the world,and bat flies are their main ***,significant knowledge gaps remain regarding these antagonistic interactions,especially since diverse factors such as seas... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Urea breath test for Helicobacter pylori infection in adult dyspeptic patients: A meta-analysis of diagnostic test accuracy
收藏 引用
World Journal of Gastroenterology 2024年 第6期30卷 579-598页
作者: Fabian Fellipe Bueno Lemos Caroline Tianeze de Castro Marcel Silva Luz Gabriel Reis Rocha Gabriel Lima Correa Santos Luís Guilherme de Oliveira Silva Mariana Santos Calmon Cláudio Lima Souza Ana Carla Zarpelon-Schutz Kádima Nayara Teixeira Dulciene Maria de Magalhães Queiroz Fabrício Freire de Melo Instituto Multidisciplinar em Saúde Universidade Federal da BahiaVitória da Conquista 45029-094BahiaBrazil Instituto de Saúde Coletiva Universidade Federal da BahiaSalvador 40110040BahiaBrazil Campus Toledo Universidade Federal do ParanáToledo 85919-899ParanáBrazil Laboratory of Research in Bacteriology UFMGBelo Horizonte 30130-100Minas GeraisBrazil
BACKGROUND Helicobacter pylori(***)infection has been well-established as a significant risk factor for several gastrointestinal *** urea breath test(UBT)has emerged as a leading non-invasive method for detecting *** ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Modern internet search analytics and thyroidectomy:What are patients asking?
收藏 引用
World Journal of Otorhinolaryngology-Head and Neck Surgery 2024年 第1期10卷 49-58页
作者: Neeraj Suresh Christian Fritz Emma de Ravin Karthik Rajasekaran department of Otorhinolaryngology–Head&Neck Surgery University of PennsylvaniaPhiladelphiaPennsylvaniaUSA Perelman School of Medicine at the University of Pennsylvania PhiladelphiaPennsylvaniaUSA Leonard Davis Institute of Health Economics University of PennsylvaniaPhiladelphiaPennsylvaniaUSA
Objectives:Thyroidectomy is among the most commonly performed head and neck surgeries,however,limited existing information is available on topics of interest and concern to *** design:***:***:A search engine optimizat... 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 resistance training volume on body adiposity,metabolic risk,and inflammation in postmenopausal and older females:Systematic review and meta-analysis of randomized controlled trials
收藏 引用
Journal of Sport and Health Science 2024年 第2期13卷 145-159页
作者: Paulo Ricardo Prado Nunes Pamela Castro-e-Souza Anselmo Alves de Oliveira Bruno de Freitas Camilo Gislaine Cristina-Souza Lucio Marques Vieira-Souza Marcelo Augusto da Silva Carneiro department of Body and Human Movement Minas Gerais State University(UEMG)37902-092 PassosMGBrazil University Center of Planalto de Araxa(UNIARAXA) 38180-129 AraxaMGBrazil Physical Activity Health and Ageing Research Group(GPASE)Minas Gerais State University(UEMG)37902-092 PassosMGBrazil Exercise and Nutrition Research Group(GPEN) Minas Gerais State University(UEMG)37902-092 PassosMGBrazil Sport Sciences and Physical Exercise Study and Research Group(GEPCEEX) Minas Gerais State University(UEMG)37902-092 PassosMGBrazil Metabolism Nutrition and Exercise LaboratoryPhysical Education and Sport CenterLondrina State University(UEL)86050-070 LondrinaPRBrazil Postgraduate Program in Physical Education Federal University of Sergipe(UFS)49107-230 Sao CristovaoSEBrazil
Purpose:This meta-analytical study aimed to explore the effects of resistance training(RT) volume on body adiposity,metabolic risk,and inflammation in postmenopausal and older ***:A systematic search was performed 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
determination of critical state line(CSL)for silty-sandy iron ore tailings subjected to low-high confining pressures
收藏 引用
Journal of Rock Mechanics and Geotechnical Engineering 2024年 第5期16卷 1684-1695页
作者: Nilo Cesar Consoli João Vítor de Azambuja Carvalho Alexia Cindy Wagner Hugo Carlos Scheuermann Filho Inácio Carvalho Pedro Pazzoto Cacciari João Paulo de Sousa Silva Civil Engineering Universidade Federal do Rio Grande do SulPorto AlegreRS90035-190Brazil Exploration and Mineral Projects-Mineral development Centre VALE S.A.Santa LuziaMG33040-900Brazil department of Civil Geological and Mining EngineeringPolytechnique MontrealQuebecH3C 3A7Canada
The disposal of filtered tailings in high dry stacks can induce particle breakage,changing the material's behaviour during the structure's *** grading changes influence material properties at the critical state,and th... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Impact of STAT-signaling pathway on cancer-associated fibroblasts in colorectal cancer and its role in immunosuppression
收藏 引用
World Journal of Gastrointestinal Oncology 2024年 第5期16卷 1705-1724页
作者: Damián Sánchez-Ramírez Mónica G Mendoza-Rodríguez Omar R Alemán Fernando A Candanedo-González Miriam Rodríguez-Sosa Juan JoséMontesinos-Montesinos Mauricio Salcedo Ismael brito-Toledo Felipe Vaca-Paniagua Luis I Terrazas Unidad de Investigacion en Biomedicina Facultad de Estudios Superiores IztacalaUniversidad Nacional Autonoma de MexicoTlalnepantla 54090Estado de MexicoMexico department of Biology Facultad de QuimicaUniversidad Nacional Autonoma de MexicoCiudad UniversitariaMexico City 04510Mexico department of Pathology National Medical Center Century XXIInstituto Mexicano del Seguro SocialMexico City 06720Mexico Laboratorio de Células Troncales Mesenquimales Unidad de Investigación Médica en Enfermedades OncológicasHospital de Oncología Centro Medico Nacional Siglo XXIInstituto Mexicano del Seguro SocialMexico City 06720Mexico Unidad de Investigacion en Biomedicina y Oncologia Genomica Instituto Mexciano del Seguro SocialMexico City 07300Mexico Servicio de Colon y Recto Hospital de Oncología Centro Medico Nacional Siglo XXIInstituto Mexicano del Seguro SocialMexico City 06720Mexico Laboratorio Nacional en Salud Facultad de Estudios Superiores IztacalaUniversidad Nacional Autónoma de MéxicoTlalnepantla 54090Estado de MexicoMexico
Colorectal cancer(CRC)remains one of the most commonly diagnosed and deadliest types of cancer *** displays a desmoplastic reaction(DR)that has been inversely associated with poor prognosis;less DR is associated with ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Mindfulness training in medical education as a means to improve resilience,empathy,and mental health in the medical profession
收藏 引用
World Journal of Psychiatry 2024年 第4期14卷 489-493页
作者: Edison Iglesias de Oliveira Vidal Luiz Fernando Alvarenga Ribeiro Marco Antonio de Carvalho-Filho Fernanda Bono Fukushima Internal Medicine department Botucatu Medical SchoolSao Paulo State University(UNESP)Botucatu 18618-687SPBrazil Wenckebach Institute for Education and Training LEARN-Lifelong LearningEducation and Assessment Research NetworkUniversity Medical Center GroningenGroningen 9713AVGroningenNetherlands Assertiva Mindfulness Botucatu 18603-970SPBrazil Surgical Specialties and Anesthesiology department Botucatu Medical SchoolSão Paulo State University(UNESP)Botucatu 18618-687SPBrazil
The high rates of depression,burnout,and increased risk of suicide among medical students,residents,and physicians in comparison with other careers signal a mental health crisis within our *** contend that this crisis... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Highly efficient expression of human extracellular superoxide dismutase(rhEcSOD)with ultraviolet-B-induced damage-resistance activity in transgenic silkworm cocoons
收藏 引用
Insect Science 2024年 第4期31卷 1150-1164页
作者: Feng Wang Ri-Yuan Wang de-Bin Zhong Ping Zhao Qing-You Xia Integrative Science Center of Germplasm Creation in Western China(CHONGQING)Science City Biological Science Research CenterSouthwest UniversityChongqingChina Century Legend Biotechnology Research Institute(Chongqing)Co. Ltd.ChongqingChina
Extracellular superoxide dismutase(EcSOD)protects tissues from oxidative stress,and thus is considered as a therapeutic agent for many diseases such as atherosclerosis,hypertension,and ***,cost-effective production of... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Data-driven casting defect prediction model for sand casting based on random forest classification algorithm
收藏 引用
China Foundry 2024年 第2期21卷 137-146页
作者: Bang Guan Dong-hong Wang Da Shu Shou-qin Zhu Xiao-yuan Ji Bao-de Sun Shanghai Key Lab of Advanced High-Temperature Materials and Precision Forming School of Materials Science and EngineeringShanghai Jiao Tong UniversityShanghai 200240China State Key Lab of Metal Matrix Composites Shanghai Jiao Tong UniversityShanghai 200240China Hefei Casting and Forging Factory of Anhui Heli Co. LtdHefei 230000China State Key Laboratory of Materials Processing and Die&Mould Technology Huazhong University of Science and TechnologyWuhan 430074China
The complex sand-casting process combined with the interactions between process parameters makes it difficult to control the casting quality,resulting in a high scrap rate.A strategy based on a data-driven model was p... 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
Targeted multi-agent communication algorithm based on state control
收藏 引用
defence Technology(防务技术) 2024年 第1期31卷 544-556页
作者: Li-yang Zhao Tian-qing Chang Lei Zhang Jie Zhang Kai-xuan Chu de-peng Kong department of Weaponry and Control Army Academy of Armored ForcesBeijing100072China Unit 92942 Beijing100161China
As an important mechanism in multi-agent interaction,communication can make agents form complex team relationships rather than constitute a simple set of multiple independent ***,the existing communication schemes can... 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