咨询与建议

限定检索结果

文献类型

  • 41,561 篇 期刊文献
  • 1,620 篇 会议
  • 5 册 图书

馆藏范围

  • 43,186 篇 电子文献
  • 0 种 纸本馆藏

日期分布

学科分类号

  • 15,791 篇 工学
    • 4,652 篇 材料科学与工程(可...
    • 2,846 篇 化学工程与技术
    • 2,085 篇 计算机科学与技术...
    • 2,020 篇 环境科学与工程(可...
    • 1,737 篇 电气工程
    • 1,692 篇 电子科学与技术(可...
    • 1,605 篇 机械工程
    • 1,281 篇 力学(可授工学、理...
    • 1,207 篇 动力工程及工程热...
    • 1,192 篇 生物医学工程(可授...
    • 1,117 篇 地质资源与地质工...
    • 1,032 篇 水利工程
    • 962 篇 控制科学与工程
    • 917 篇 建筑学
    • 842 篇 仪器科学与技术
  • 15,457 篇 理学
    • 4,335 篇 生物学
    • 3,721 篇 化学
    • 3,659 篇 物理学
    • 3,080 篇 数学
    • 1,610 篇 天文学
    • 1,557 篇 地质学
    • 1,463 篇 地球物理学
    • 1,394 篇 生态学
  • 14,570 篇 医学
    • 12,355 篇 临床医学
    • 1,728 篇 基础医学(可授医学...
    • 1,426 篇 公共卫生与预防医...
  • 5,814 篇 教育学
    • 5,422 篇 教育学
  • 4,277 篇 农学
    • 1,782 篇 作物学
    • 1,035 篇 农业资源与环境
  • 1,845 篇 管理学
  • 1,047 篇 经济学
    • 960 篇 应用经济学
  • 818 篇 文学
  • 717 篇 法学
  • 503 篇 艺术学
  • 170 篇 历史学
  • 127 篇 哲学
  • 47 篇 军事学

主题

  • 528 篇 作文
  • 357 篇 语文学习
  • 210 篇 阅读知识
  • 190 篇 cancer
  • 187 篇 of
  • 180 篇 analysis
  • 180 篇 课外阅读
  • 160 篇 小学生
  • 137 篇 and
  • 122 篇 cirrhosis
  • 121 篇 diabetes
  • 113 篇 health
  • 113 篇 liver
  • 110 篇 covid-19
  • 107 篇 treatment
  • 106 篇 disease
  • 102 篇 simulation
  • 101 篇 患者
  • 92 篇 acid
  • 89 篇 中学生

机构

  • 88 篇 江苏省连云港市朝...
  • 80 篇 university of ch...
  • 73 篇 department of ph...
  • 67 篇 university of mi...
  • 67 篇 institute for pa...
  • 67 篇 nikhef p.o.box 4...
  • 67 篇 fysikum stockhol...
  • 67 篇 michigan state u...
  • 67 篇 institut fur the...
  • 67 篇 dept.of physics ...
  • 67 篇 compas group ins...
  • 66 篇 national researc...
  • 66 篇 rudolf peierls c...
  • 65 篇 nstitucio catala...
  • 65 篇 school of physic...
  • 64 篇 ludwig-maximilia...
  • 64 篇 cea/saclay dsm/i...
  • 61 篇 department of ph...
  • 58 篇 department of ph...
  • 56 篇 kobayashi-maskaw...

作者

  • 87 篇 v.i.belousov
  • 85 篇 h.murayama
  • 85 篇 j.d.jackson
  • 85 篇 g.d'ambrosio
  • 85 篇 m.white
  • 84 篇 p.de jong
  • 81 篇 v.burkert
  • 75 篇 y.hayato
  • 69 篇 a.v.gritsan
  • 67 篇 张立国
  • 63 篇 kavli ipmu
  • 63 篇 l.pape
  • 53 篇 邱天
  • 52 篇 任日莹
  • 52 篇 楼含松
  • 52 篇 杨霁娴
  • 51 篇 徐丹玉
  • 39 篇 a.gurtu
  • 39 篇 m.carena
  • 36 篇 徐迎波

语言

  • 28,944 篇 英文
  • 14,241 篇 中文
  • 1 篇 法文
检索条件"机构=Ramiro de Maeztu 9"
43186 条 记 录,以下是11-20 订阅
排序:
Preventive effects of Bifidobacterium lactis Probio-M8 on ovalbumin-induced food allergy in mice
收藏 引用
Food Science and Human Wellness 2024年 第4期13卷 2346-2352页
作者: Jialu Shi Yan Xu Cheng Liu Shizhi Wang Jin Wang Vijaya Raghavan Key Laboratory of Environmental Medicine and Engineering Ministry of Educationand Department of Nutrition and Food HygieneSchool of Public HealthSoutheast UniversityNanjing 210009China department of Bioresource Engineering Faculty of Agricultural and Environmental SciencesMcGill UniversitySainte-Anne-de-BellevueQC H9X3V9Canada
Food allergy is a significant public health concern *** probiotics have been found to enhance food allergy by regulating immune-microbe interactions in animal models and ***,the effects of Bifidobacterium lactis Probi... 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
Vaccination effect on a stochastic epidemic model with healing and relapse
收藏 引用
International Journal of Biomathematics 2024年 第1期17卷 29-59页
作者: M.M.Abdeslami L.Basri M.El Fatini I.Sekkak R.Taki Laboratory of Partial Differential Equations Spectral Algebra and Geometry department of Mathematics Faculty of Sciences Ibn Tofail UniversityBP 133KénitraMorocco Centre de Recherche en Sante Publique Montréal(Québec)H3N 1X9 Canada Departement de Medecine Sociale et Preventive Ecole de SantéPublique de I'Universitéde Montreal 101Avenue du ParcMontréal(Quebec)H3N 1X9Canada EST Sidi Bennour Chouaib Doukkali UniversityEl JadidaMorocco
In this work,we consider a stochastic epidemic model with vaccination,healing and *** prove the existence and the uniqueness of the positive *** establish sufficient conditions for the extinction and the persistence i... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Effect of different drying methods on the amino acids,α-dicarbonyls and volatile compounds of rape bee pollen
收藏 引用
Food Science and Human Wellness 2024年 第1期13卷 517-527页
作者: Yanxiang Bi Jiabao Ni Xiaofeng Xue Zidan Zhou Wenli Tian Valérie Orsat Sha Yan Wenjun Peng Xiaoming Fang State Key Laboratory of Resource Insects Institute of Apicultural ResearchChinese Academy of Agricultural SciencesBeijing 100093China College of Engineering China Agricultural UniversityBeijing 100083China Bioresource Engineering dept. McGill UniversitySte-Anne-de-Bellevue QC H9X 3V9Canada
The significant demand for high quality food has motivated us to adopt appropriate processing methods to improve the food nutritional quality and *** this study,the effects of five drying methods,namely,pulsed vacuum ... 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
Low-Cost and Biodegradable Thermoelectric devices Based on van der Waals Semiconductors on Paper Substrates
收藏 引用
Energy & Environmental Materials 2024年 第1期7卷 205-210页
作者: Gulsum Ersu Carmen Munuera Federico J.Mompean Daniel Vaquero Jorge Quereda Jo?o Elias F.S.Rodrigues Jose A.Alonso Eduardo Flores Jose R.Ares Isabel J.Ferrer Abdullah M.Al-Enizi Ayman Nafady Sruthi Kuriakose Joshua O.Island Andres Castellanos-Gomez Materials Science Factory Instituto de Ciencia de Materiales de Madrid (ICMM-CSIC) Nanotechnology Group USAL–Nanolab Univesidad de Salamanca GISC Departamento de Física de Materiales Universidad Complutense de Madrid departamento de Física Aplicada Centro de Investigación y Estudios Avanzados MIRE Group Departamento de Física de Materiales Universidad Autónoma de Madrid Instituto Nicolás Cabrera Universidad Autónoma de Madrid department of Chemistry College of Science King Saud University department of Physics and Astronomy University of Nevada Las Vegas
We present a method to fabricate handcrafted thermoelectric devices on standard office paper *** devices are based on thin films of WS2,Te,and BP(P-type semiconductors) and TiS3and TiS2(N-type semiconductors),depo... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
A multi-shot target wheel assembly for high-repetition-rate, laser-driven proton acceleration
收藏 引用
High Power Laser Science and Engineering 2024年 第2期12卷 87-94页
作者: J.Penas A.Bembibre D.Cortina-Gil L.Martin A.Reija C.Ruiz M.Seimetz A.Alejo J.Benlliure Instituto Galego de Fisica de Altas Enerxias Universidade de Santiago de CompostelaSantiago de CompostelaSpain Laboratorio Laser de Aceleracion y Aplicaciones RIAIDTUniversidade de Santiago de CompostelaSantiago de CompostelaSpain Instituto Universitario de Física Fundamental y Matematicas y Dpto.de Didactica de la Matematica y de las Ciencias Experimentales Universidad de SalamancaSalamancaSpain Instituto de Instrumentación para Imagen Molecular(I3M) CSIC-Universitat Politecnica de ValenciaValenciaSpain
A multi-shot target assembly and automatic alignment procedure for laser–plasma proton acceleration at high repetition rate are *** assembly is based on a multi-target rotating wheel capable of hosting more than 5000... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Synthesis and applications of lanthanoid complexes of pentadentate and hexadentate N_(5) and N_(6) macrocycles:A review
收藏 引用
Journal of Rare Earths 2024年 第1期42卷 1-15,I0001页
作者: Julio Corredoira-Vázquez Cristina González-Barreira Paula Oreiro-Martínez Ana M.García-deibe Jesús Sanmartín-Matalobos Matilde Fondo departamento de Química Inorganica Facultade de QuímicaUniversidade de Santiago de CompostelaCampus Vida15782Santiago de CompostelaSpain Phantom-g CICECO-Aveiro Institute of MaterialsDepartment of PhysicsUniversity of Aveiro3810-193AveiroPortugal Institute of Materials(iMATUS) Universidade de Santiago de Compostela15782Santiago de CompostelaSpain
In this paper,the lanthanoid complexes of N_(5) and N_(6) macrocycle ligands,without pendant arms or additional heteroatoms,are *** review covers the period from 2015 to the current date,since in 2014 Schiff base macr... 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
Ca-based materials derived from calcined cigarette butts for CO_(2)capture and thermochemical energy storage
收藏 引用
Journal of Environmental Sciences 2024年 第6期140卷 230-241页
作者: Nabil Amghar Virginia Moreno Pedro E.Sánchez-Jiménez Antonio Perejón Luis A.Pérez-Maqueda Instituto de Ciencia de Materiales de Sevilla C.S.I.C.-Universidad de SevillaC.Américo Vespucio4941092 SevillaSpain Instituto de Tecnología de Materiales(ITM) Universitat Politècnica de València(UPV)Plaza Ferrándiz y Carbonell 1AlcoyAlicante 03801Spain departamento de Química Inorgánica Facultad de QuímicaUniversidad de Sevilla41012 SevillaSpain
Cigarette butts(CBs)are one of the most common types of litter in the *** to the toxic substances they contain,the waste generated poses a harmful risk to the environment,and therefore there is an urgent need for alte... 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
Predicting the clothing insulation through machine learning algorithms:A comparative analysis and a practical approach
收藏 引用
Building Simulation 2024年 第5期17卷 839-855页
作者: Pablo Aparicio-Ruiz Elena Barbadilla-Martin Jose Guadix Jesus Munuzuri Grupo de Ingenieria de Organizacion Escuela Tecnica Superior de IngenieriaUniversidad de SevillaCamino de los Descubrimientos S/N41092SevilleSpain
Since indoor clothing insulation is a key element in thermal comfort models,the aim of the present study is proposing an approach for predicting it,which could assist the occupants of a building in terms of recommenda... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Sex-dependent resilience to extreme drought events: implications for climate change adaptation of a South American endangered tree species
收藏 引用
Ecological Processes 2024年 第2期13卷 48-60页
作者: Sergio Piraino Martín Ariel Hadad Yanina Antonia Ribas-Fernández Fidel Alejandro Roig Laboratorio de dendrocronología e Historia Ambiental (IANIGLA CONICET ) Facultad de Ciencias Agrarias Universidad Nacional de Cuyo Laboratorio de dendrocronología de Zonas áridas (CIGEOBIO CONICET ) Gabinete de Geología Ambiental (INGEO UNSJ) Hémera Centro de Observación de la Tierra Facultad de Ciencias Universidad Mayor
Background Recent changes in climatic trends are resulting in an increased frequency and intensity of extreme events, with unknown effect on ecosystem dynamics in the near future. Extreme drought episodes are recogniz... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
From partial to complete:Wing-and tail-feather moult sequence and intensity depend on species,life-cycle stage,and moult completeness in passerines
收藏 引用
Avian Research 2024年 第1期15卷 98-107页
作者: Santi Guallar departament de Vertebrats Museu de Ciencies Naturals de BarcelonaBarcelona08003Spain
Passerines moult during various life-cycle *** of these moults involve the retention of a variable quantity of wing and tail *** prompts the question whether these partial moults are just arrested complete moults or f... 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