咨询与建议

限定检索结果

文献类型

  • 17,949 篇 期刊文献
  • 986 篇 会议
  • 211 册 图书
  • 17 篇 学位论文

馆藏范围

  • 19,089 篇 电子文献
  • 83 种 纸本馆藏

日期分布

学科分类号

  • 8,320 篇 医学
    • 6,963 篇 临床医学
    • 771 篇 医学技术(可授医学...
    • 556 篇 基础医学(可授医学...
    • 539 篇 中西医结合
    • 415 篇 公共卫生与预防医...
    • 390 篇 药学(可授医学、理...
  • 6,246 篇 工学
    • 1,515 篇 材料科学与工程(可...
    • 1,053 篇 化学工程与技术
    • 674 篇 生物医学工程(可授...
    • 558 篇 电子科学与技术(可...
    • 343 篇 计算机科学与技术...
    • 316 篇 机械工程
    • 263 篇 仪器科学与技术
    • 261 篇 光学工程
    • 259 篇 核科学与技术
    • 250 篇 动力工程及工程热...
    • 245 篇 环境科学与工程(可...
    • 228 篇 力学(可授工学、理...
  • 4,340 篇 理学
    • 939 篇 化学
    • 883 篇 物理学
    • 709 篇 数学
    • 600 篇 生物学
    • 310 篇 地质学
    • 260 篇 生态学
    • 213 篇 大气科学
  • 1,637 篇 农学
    • 384 篇 作物学
    • 384 篇 农业资源与环境
    • 310 篇 畜牧学
  • 492 篇 管理学
    • 224 篇 管理科学与工程(可...
  • 380 篇 经济学
    • 339 篇 应用经济学
  • 252 篇 教育学
  • 178 篇 法学
  • 178 篇 文学
  • 72 篇 历史学
  • 53 篇 哲学
  • 41 篇 艺术学
  • 9 篇 军事学

主题

  • 116 篇 患者
  • 73 篇 analysis
  • 65 篇 diabetes
  • 63 篇 mri
  • 61 篇 of
  • 61 篇 ct
  • 55 篇 properties
  • 53 篇 acid
  • 50 篇 and
  • 49 篇 phylogeny
  • 44 篇 deep learning
  • 43 篇 health
  • 42 篇 印度
  • 41 篇 中国
  • 40 篇 corrosion
  • 37 篇 安慰剂对照
  • 37 篇 therapy
  • 36 篇 prevalence
  • 36 篇 plasma
  • 35 篇 magnetic

机构

  • 68 篇 university of mi...
  • 68 篇 department of ph...
  • 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...
  • 67 篇 rudolf peierls c...
  • 67 篇 nstitucio catala...
  • 67 篇 school of physic...
  • 67 篇 ludwig-maximilia...
  • 67 篇 cea/saclay dsm/i...
  • 67 篇 department of ph...
  • 67 篇 department of ph...
  • 67 篇 kobayashi-maskaw...
  • 67 篇 high energy phys...
  • 67 篇 department of ph...
  • 66 篇 national researc...

作者

  • 85 篇 h.murayama
  • 85 篇 j.d.jackson
  • 85 篇 g.d'ambrosio
  • 85 篇 m.white
  • 85 篇 p.de jong
  • 84 篇 v.i.belousov
  • 82 篇 v.burkert
  • 78 篇 y.hayato
  • 78 篇 a.v.gritsan
  • 77 篇 a.gurtu
  • 76 篇 m.carena
  • 75 篇 叶鹏
  • 75 篇 a.masoni
  • 70 篇 s.rolli
  • 67 篇 a.d.martin
  • 66 篇 b.heltsley
  • 64 篇 kavli ipmu
  • 64 篇 s.r.klein
  • 63 篇 l.pape
  • 62 篇 d.h.weinberg

语言

  • 10,773 篇 英文
  • 8,389 篇 中文
  • 1 篇 日文
检索条件"作者=Ronald S. Litm.n"
19163 条 记 录,以下是71-80 订阅
排序:
Proximity to corridors.benefits.bird communities.in vegetated interrow vineyards.in Mendoza, Argentina
收藏 引用
Avian Res.arch 2024年 第2期15卷 147-155页
作者: Andrea Paula Goijman Agus.ín Zarco EEA La Cons.lta Instituto Nacional de Tecnología Agropecuaria(INTA)San CarlosMendozaArgentina Ins.ituto Argentino de Inves.igacion en las.Zonas.Aridas.IADIZA)COnICET 5500MendozaArgentina
Management under ecological s.hemes.and increas.ng habitat heterogeneity,are es.ential for enhancing biodivers.ty in *** provide s.veral contributions.to agriculture,for example pes. control,recreation and enhancing h... 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
Mitigating Urban Heat Is.and Effects. A Review of Innovative Pavement Technologies.and Integrated s.lutions
收藏 引用
s.ructural Durability & Health Monitoring 2024年 第5期18卷 525-551页
作者: s.F.Is.ael A.H.Alias.n.A.Haron B.B.Zaidan Abdulrahman M.Abdulghani Department of Civil Engineering Faculty of EngineeringUniversiti Putra MalaysiaSerdang43400Malaysia Central Region Heavy Civil DivisionGranite ConstructionWoodlandsTexas77381USA s. Jain s.hool of Global Management LidcombeSydneyNSW2141Australia Department of Communication Technology and network Faculty of Computer Science and Information TechnologyUniversiti Putra MalaysiaSerdang43400Malaysia
In this.review paper,we pres.nt a thorough inves.igation into the role of pavement technologies.in advancing urban *** analys.s.travers.s.the his.orical evolution of thes. technologies.meticulous.y evaluating their s.... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Is.lative s.nthes.s.and Characterization of Cellulos. and Cellulos. nanocrys.als.from Typha angus.ifolia
收藏 引用
Open Journal of Applied s.iences 2024年 第9期14卷 2443-2459页
作者: Lynda s. Mes.ppirr Evans.K. s.ter Wes.ey n. Omwoyo nathan M. Oyaro s.mphiwe M. nelana Department of Mathematics.and Phys.cal s.ience Maasai Mara University Narok Kenya Biotechnology and Chemis.ry Department Vaal University of Technology Vanderbijlpark South Africa
The application potential of cellulos.c materials.in natural compos.tes.and other fields.needs.to be explored to develop innovative, s.s.ainable, lightweight, functional biomas. materials.that are als. environmentally... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Elucidating elus.ve quaternary s.lenide EuCeCus.3:s.nthes.s.crys.al s.ructure,properties.and theoretical s.udies
收藏 引用
Journal of Rare Earths 2024年 第1期42卷 163-171,I0006页
作者: Maxim V.Grigoriev Anna V.Rus.ikina Maxim s.Molokeev Vladimir A.Chernys.ev Aleks.ndr s.Aleks.ndrovs.y Alexander s.Krylov s.etlana n.Krylova nikolai P.s.es.akov Dmitriy A.Velikanov Alexander A.Garmonov Alexey V.Matigorov Evgeny A.Os.apchuk Thomas.s.hleid Damir A.s.fin Laboratory of Theory and Optimization of Chemical and Technological Proces.es University of TyumenVolodarskogo Str.6625003TyumenRussian Federation Kirens.y Ins.itute of Phys.cs Federal Research Center KSC SB RASAkademgorodok 50 Bld.38660036KrasnoyarskRussian Federation Department of Phys.cs Far Eastern State Transport UniversitySerysheva Str.47680021KrasnoyarskRussian Federation Ins.itute of natural s.iences.and Mathematics Ural Federal University Named After the First President of Russia B.N.YeltsinMira Str.19620002EkaterinburgRussian Federation Department of Photonics.and Las.r Technology Siberian Federal UniversitySvobodnii Ave.79660079KrasnoyarskRussian Federation Ins.itute of Phys.cs.and Technology University of TyumenVolodarskogo Str.6625003 TyumenRussian Federation Ins.itute for Inorganic Chemis.ry University of StuttgartPfaffenwaldring 55D-70569StuttgartGermany s.ientific and Educational and Innovation Center for Chemical and Pharmaceutical Technologies Ural Federal University named after the First President of Russia B.N.YeltsinMira Str.19620002 EkaterinburgRussian Federation Univers.ty of Tyumen Volodarskogo Str.6625003TyumenRussian Federation
We report on the novel heterometallic quaternary s.lenide EuCeCus.3,the fabrication of which has.been a challenge until this.*** s.ructure of the reported s.lenide was.elucidated from the powder X-ray diffraction data... 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
Chronic dis.as. patients.have fewer s.cial contacts.A pilot s.rvey with implications.for trans.is.ion dynamics
收藏 引用
Infectious.Dis.as. Modelling 2024年 第3期9卷 926-930页
作者: J.Vanderlocht s.Møgelmos. K.Van Kerckhove P.Beutels.n.Hens Interunivers.ty Ins.itute of Bios.atis.ics.and s.atis.ical Bioinformatics Data Science InstituteHasselt UniversityHasseltBelgium Centre for Health Economic Res.arch and Modelling Infectious.Dis.as.s University of AntwerpAntwerpBelgium
non-communicable dis.as.s.nCD)are the mos. important caus. of death in the *** s.cio-economic cos.s.as.ociated with nCDs.makes.it imperative to prevent and control them in the 21s. *** s.vere toll that the COVID-19 pa... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Antibacterial HA-coatings.on biores.rbable Mg alloy
收藏 引用
Journal of Magnes.um and Alloys 2024年 第5期12卷 1965-1985页
作者: K.V.nadaraia D.V.Mas.talyar M.A.Piatkova A.I.Ples.kova I.M.Ims.inets.iy M.s.Geras.menko E.A.Belov V.V.Kumeiko D.n.Kozyrev K.A.Fomenko V.V.Mos.ovaya B.R.Torpanov A.R.Biktimirov I.s.Os.us.ko s.L.s.nebryukhov s.V.Gnedenkov Ins.itute of Chemis.ry FEB RAs 159 Pr.100-letiya VladivostokaVladivostok 690022Russia Far Eas.ern Federal Univers.ty 10 Ajax BayRussky IslandVladivostok 690922Russia A.V.Zhirmuns.y national s.ientific Center of Marine Biology FEB RAs 17 St.PalchevskogoVladivostok 690041Russia Regional Clinical Dermatovenerological Dis.ens.ry 18 V St.GamarnikaVladivostok 690033Russia nMIC“Treatment and Rehabilitation Center” 3 Ivankovskoe highwayMoscow 125367Russia
In this.s.udy,a calcium-phos.hate coating was.formed on a Mg-Mn-Ce alloy by the plas.a electrolytic oxidation(PEO).The antibiotic vancomycin,widely us.d in the treatment of infections.caus.d by s.aphylococcus.aureus.*... 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
Ferroelectricity Induced by Oxygen Vacancies.in Rhombohedral ZrO_(2) Thin Films
收藏 引用
Energy & Environmental Materials 2024年 第1期7卷 229-237页
作者: Veniero Lenzi Jos. P.B.s.lva Břetis.av Šmíd Vladimir Matoín Cos.in M.Is.rate Corneliu Ghica Judith L.MacManus.Dris.oll Luís.Marques Phys.cs.Center of Minho and Porto Univers.ties.CF-UM-UP) University of MinhoCampus de Gualtar 4710-057Braga Portugal Laboratory of Phys.cs.for Materials.and Emergent Technologies LapMETUniversity of Minho4710-057Braga Portugal Department of s.rface and Plas.a s.ience Faculty of Mathematics and PhysicsCharles UniversityV Holešovičkách 218000Prague 8 Czech Republic national Ins.itute of Materials.Phys.cs 105 bis Atomistilor 077125Magurele Romania Department of Materials.s.ience and Metallurgy 27 Charles Babbage Rd.Cambridge CB3 OFSUK
Rhombohedral phas. Hf_(x)Zr_(1.x)O_(2)(HZO,x from 0 to 1)films.are promis.ng for achieving robus. ferroelectric polarization without the need for an initial wake-up pre-cycling,as.is.normally the cas. for the more com... 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
Vegetation Res.ons. To s.il And Morphological Properties.In An Arid Region Alluvial Fan Lands.ape. Pre-Andes.Of s.n Juan, Argentina
收藏 引用
Journal of Earth s.ience 2024年
作者: FLOREs.Daniel Germán OCA?A Raúl Emmanuel MELIán Edgardo ORTEG Andrés.Es.ER AnGILLIERI María Yanina PITTALUGA María Alejandra CIGEOBIO (COnICET-Uns.) Av.Jos. I.de la Roza y Meglioli Gabinete de Geología Ambiental, InGEO, Univers.dad nacional de s.n Juan, Av.Jos. I.de la Roza y Meglioli
The Monte Des.rt is.characterized by a great divers.ty of landforms.created with fluvial, alluvial which the vegetation patterns.are related to. The pres.nt work has.the following objectives. 1: determine whether top...
来源: 同方期刊数据库 同方期刊数据库 评论
Blockade of Rho-as.ociated kinas. prevents.inhibition of axon regeneration of peripheral nerves.induced by anti-ganglios.de antibodies
收藏 引用
neural Regeneration Res.arch 2024年 第4期19卷 895-899页
作者: Andrés.Berardo Cris.ian R.Bacaglio Bárbara B.Báez Rubén s.mbuelli Kazim A.s.eikh Pablo H.H.Lopez Laboratorio de neurobiología Instituto de Investigación Médica Mercedes y Martin Ferreyra(INIMEC)-Consejo Nacional de Investigaciones Cientificas y Técnicas(CONICET)Universidad Nacional de Córdoba Departamento de Química Biológica-Centro de Inves.igaciones.en Química Biológica de Córdoba(CIQUIBIC)-Cons.jo nacional de Inves.igaciones.Cientificas.y Técnicas.COnICET) Facultad de Cs.QuímicasUniversidad Nacional de Córdoba s.rvicio de Anatomía Patológica Clínica Universitaria Reina FabiolaUniversidad Católica de Córdoba Department of neurology University of Texas Medical School at Houston
Anti-ganglios.de antibodies.are as.ociated with delayed/poor clinical recovery in Guillain-Barrès.ndrome,mos.ly related to halted axon ***-linking of cell s.rface ganglios.des.by anti-ganglios.de antibodies.triggers.... 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
Old-growth mixed dipterocarp fores.s.s.ow variable los.es.and gains.in aboveground biomas. and s.anding carbon over forty years
收藏 引用
Fores. Ecos.s.ems 2024年 第1期11卷 14-23页
作者: s.s.ra Ediriweera Champika Bandara Tithira Lakkana s.anika Jayas.nghe David Woodbury Arun Dayanandan B.M.P.s.nghakumara Xiangcheng Mi I.A.U.n.Gunatilleke C.V.s.Gunatilleke Mark s.s.ton Department of s.ience and Technology Uva Wellassa UniversityBadullaSri Lanka The Fores. s.hool Yale School of the EnvironmentYale UniversityNew HavenCT06511USA Department of Fores.ry and Environmental s.ience University of Sri JayewardenepuraNugegodaSri Lanka s.ate Key Laboratory of Vegetation and Environmental Change Institute of BotanyChinese Academy of SciencesBeijing100093China Botany Department University of PeradeniyaPeradeniyaSri Lanka
Background:no s.udies.have documented long-term trends.in aboveground biomas.(AGB)for mixed-dipterocarp fores.s.MDF),the dominant rain fores. type in tropical wet equatorial *** our s.udy,we s.ught to document s.ch tr... 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