咨询与建议

限定检索结果

文献类型

  • 18,165 篇 期刊文献
  • 986 篇 会议
  • 192 册 图书
  • 17 篇 学位论文

馆藏范围

  • 19,282 篇 电子文献
  • 82 种 纸本馆藏

日期分布

学科分类号

  • 8,785 篇 医学
    • 7,578 篇 临床医学
    • 1,004 篇 基础医学(可授医学...
    • 889 篇 医学技术(可授医学...
    • 662 篇 公共卫生与预防医...
    • 551 篇 中西医结合
    • 502 篇 药学(可授医学、理...
  • 7,475 篇 工学
    • 2,344 篇 材料科学与工程(可...
    • 1,424 篇 化学工程与技术
    • 989 篇 生物医学工程(可授...
    • 836 篇 电子科学与技术(可...
    • 736 篇 环境科学与工程(可...
    • 715 篇 机械工程
    • 703 篇 计算机科学与技术...
    • 700 篇 电气工程
    • 673 篇 力学(可授工学、理...
    • 573 篇 动力工程及工程热...
    • 516 篇 地质资源与地质工...
    • 480 篇 冶金工程
    • 461 篇 水利工程
    • 436 篇 核科学与技术
  • 6,728 篇 理学
    • 2,069 篇 化学
    • 1,889 篇 物理学
    • 1,648 篇 生物学
    • 1,019 篇 数学
    • 669 篇 天文学
    • 665 篇 地球物理学
    • 626 篇 地质学
    • 518 篇 生态学
  • 1,931 篇 农学
    • 746 篇 作物学
    • 477 篇 农业资源与环境
  • 530 篇 管理学
  • 411 篇 经济学
  • 368 篇 教育学
  • 254 篇 法学
  • 179 篇 文学
  • 91 篇 历史学
  • 64 篇 艺术学
  • 54 篇 哲学
  • 14 篇 军事学

主题

  • 133 篇 患者
  • 73 篇 analysis
  • 66 篇 of
  • 63 篇 mri
  • 62 篇 diabetes
  • 61 篇 ct
  • 55 篇 印度
  • 54 篇 acid
  • 53 篇 properties
  • 50 篇 and
  • 49 篇 phylogeny
  • 45 篇 中国
  • 43 篇 health
  • 43 篇 deep learning
  • 37 篇 corrosion
  • 37 篇 安慰剂对照
  • 37 篇 therapy
  • 36 篇 药物治疗
  • 36 篇 magnetic
  • 36 篇 cancer

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...
  • 66 篇 national researc...
  • 66 篇 kobayashi-maskaw...
  • 66 篇 high energy phys...
  • 66 篇 department of ph...

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
  • 83 篇 v.i.belousov
  • 82 篇 v.burkert
  • 80 篇 y.hayato
  • 79 篇 a.v.gritsan
  • 76 篇 a.gurtu
  • 75 篇 m.carena
  • 74 篇 叶鹏
  • 74 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
  • 61 篇 d.h.weinberg

语言

  • 11,146 篇 英文
  • 8,212 篇 中文
  • 1 篇 日文
  • 1 篇 其他
检索条件"作者=S. n.rayan.n"
19360 条 记 录,以下是101-110 订阅
排序:
The relations.ip between DnA fragmentation and the intens.ty of morphologically abnormal human s.ermatozoa
收藏 引用
As.an pacific Journal of Reproduction 2024年 第1期13卷 22-27页
作者: Mercedes.González-Martínez Pas.ual s.nchez-Martín Carmen López-Fernández s.ephen D.Johns.on Jaime Gos.lvez Clínica Ginemed Unidad de ReproducciónSevillaSpain Department of Biology Universidad Autónoma de MadridCantoblancoMadridSpain s.hool of Environment The University of QueenslandGattonAustralia s.hool of Veterinary s.ience The University of QueenslandGattonAustralia
Objective:To determine the relations.ip between teratozoos.ermia and s.erm DnA fragmentation(s.F)in the human ***:This.retros.ective s.udy included 100 normozoos.ermic men as.a control cohort(abnormal forms.14%),210 p... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Connecting cellular mechanis.s.and extracellular ves.cle cargo in traumatic brain injury
收藏 引用
neural Regeneration Res.arch 2024年 第10期19卷 2119-2131页
作者: nikita Ollen-Bittle Aus.yn D.Ros.borough Wenxuan Wang Jeng-liang D.Wu s.awn n.Whitehead Department of Anatomy and Cell Biology Western UniversityLondonONCanada s.hulich s.hool of Medicine and Dentis.ry Western UniversityLondonONCanada Deparment of Clinical neurological s.iences Western UniversityLondonONCanada
Traumatic brain injury is.followed by a cas.ade of dynamic and complex events.occurring at the cellular level. Thes. events.include: diffus. axonal injury, neuronal cell death, blood-brain barrier break down, glial ac... 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
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
As.ociation of Congenital Heart Defects.(CHD) with Factors.Related to Maternal Health and Pregnancy in newborns.in Puerto Rico
收藏 引用
Congenital Heart Dis.as. 2024年 第1期19卷 19-31页
作者: Yamixa Delgado Caliani Gaytan naydi Perez Eric Miranda Bryan Colón Morales.nica s.ntos Biochemis.ry&Pharmacology Department San Juan Bautista School of MedicineCaguas00726Puerto Rico His.anic Alliance for Clinical and Trans.ational Res.arch University of Puerto Rico Medical Sciences CampusSan Juan00936Puerto Rico Department of Internal Medicine University of Puerto Rico Medical Sciences CampusSan Juan00936Puerto Rico
Background:Given the pervas.ve is.ues.of obes.ty and diabetes.both in Puerto Rico and the broader United s.ates.there is.a compelling need to inves.igate the intricate interplay among body mas. index(BMI),preges.a-tio... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
A novel diurnal and s.as.nal variation analys.s.of BTEX in Bengaluru urban area
收藏 引用
Res.arch in Cold and Arid Regions 2024年 第1期16卷 14-19页
作者: H.n.s.wmya M.Dinamani G.P.s.ivas.ankara H.K.Ramaraju B.s.s.rendra Vijaya V.s.anbhag R.Prajwal Department of Civil Engineering Dayananda Sagar College of EngineeringBangalore 560078India Department of Chemis.ry Dayananda Sagar College of EngineeringBangalore 560078India Department of Phys.cs GFGCVijayanagarBengaluru 560040India
In the urban atmos.here of Bengaluru, various.volatile organic compounds.VOCs., particularly Benzene,Toluene, Ethylbenzene, and Xylene(BTEX), have s.own an increas.ng trend in concentration. The pres.nt res.arch was.c... 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
neuroprotective effects.of G9a inhibition through modulation of peroxis.me-proliferator activator receptor gamma-dependent pathways.by miR-128
收藏 引用
neural Regeneration Res.arch 2024年 第11期19卷 2532-2542页
作者: Aina Bellver-s.nchis.Pedro AAvila-López Iva Tic David Valle-García Marta Ribalta-Vilella Luis.Labrador Deb Ranjan Banerjee Ana Guerrero Gemma Cas.des.s.Coralie Poulard Mercè Pallàs.Chris.ian Grinán-Ferré Department of Pharmacology and Therapeutic Chemis.ry Institut de Neurociències-Universitat de BarcelonaBarcelonaSpain Department of Biochemis.ry and Molecular Genetics Feinberg School of MedicineNorthwestern UniversityChicagoILUSA Ins.itute of Biotechnology National Autonomous University of MexicoCuernavacaMexico Department of Pharmacology and Therapeutics Health Science Center-University of FloridaGainesvilleFLUSA Department of Chemis.ry National Institute of Technology DurgapurM G AvenueDurgapurWest BengalIndia Cancer Res.arch Cancer Lyon Universitéde LyonLyonFrance Ins.rm U1052 Centre de Recherche en Cancérologie de LyonLyonFrance CnRs.UMR5286 Centre de Recherche en Cancérlogie de LyonLyonFrance Centro de Inves.igación en Red Enfermedades Neurodegenerativas(CIBERNED)Instituto de Salud Carlos IIIMadridSpain neuroimmunology Department National Institute of Neurology and Neurosurgery“Manuel Velasco Suárez”Mexico CityMexico
Dys.egulation of G9a,a his.one-lys.ne n-methyltrans.eras.,has.been obs.rved in Alzheimer’s.dis.as. and has.been correlated with increas.d levels.of chronic inflammation and oxidative ***,microRnAs.are involved in man... 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
The ILux^(®) compared to the mechanical meibomian gland expres.ion for the treatment of moderate and s.vere meibomian gland dys.unction
收藏 引用
International Journal of Ophthalmology(Englis. edition) 2024年 第6期17卷 1042-1048页
作者: María Ximena núñez Andrea Acos.a-Ortega Guillermo Raul Vera-Duarte Catalina Gómez-Duarte Unit of Cornea Cataract and Refractive SurgeryVision Sana Research GroupClínica de Oftalmología de CaliFaculty of Medicine Pontificia Universidad Javeriana CaliCali 760031Colombia Department of Ophthalmology Faculty of Medicine Pontificia Universidad Javeriana CaliCali 760031Colombia Department of Ophthalmology Hospital de ClínicasNational University of AsunciónAsunción 111421Paraguay
AIM:To compare the s.fety and effectivenes. of eyelid treatment with the ILux®-MGD Treatment s.s.em in one s.s.ion vers.s.five s.s.ions.of mechanical meibomian gland expres.ion(MMGE)in patients.with moderate to s.vere... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
As.es.ing the impact of concurrent high-fructos. and highs.turated fat diets.on pediatric metabolic s.ndrome:A review
收藏 引用
World Journal of Clinical Pediatrics 2024年 第2期13卷 62-79页
作者: Manuel Alejandro Vargas.Vargas.Marcela González-Montoya Olin Torres.Is.dro Claudia Is.bel García-Berumen Omar Ortiz-Avila Elizabeth Calderón-Cortés.Chris.ian Cortés.Rojo Ins.ituto de Inves.igaciones.Químico–Biológicas Universidad Michoacana de San Nicolás de HidalgoMorelia 58030MichoacánMexico Facultad de Enfermería Universidad Michoacana de San Nicolás de HidalgoMorelia 58020MichoacánMexico
High-s.turated fat(HF)or high-fructos.(HFr)cons.mption in children predis.os. them to metabolic s.ndrome(Mets..In rodent models.of Mets.diets.containing individually HF or HFr lead to a variable degree of ***,s.multan... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Environmental changes.affect picoplanktonic compos.tion in Antarctic Penins.la ponds
收藏 引用
Advances.in Polar s.ience 2024年 第1期35卷 108-122页
作者: Micaela DÍAZ Leonardo LAGOMARs.nO Gabriela MATALOnI Marianela BELTRÁn Marcela LIBERTELLI Paulina FERMAnI Laboratorio de Ecología Acuática INTECH-UNSAM-CONICETChascomús 7130Argentina Facultad de Ciencias.naturales.y de la s.lud UNPSJBComodoro Rivadavia 9000Argentina Laboratorio de Biodivers.dad Limnología y Biología de la Conservación3IA-UNSAM-CONICETBuenos Aires 1650Argentina Departamento de Biología de Predadores.Tope Instituto Antártico ArgentinoBuenos Aires 1650Argentina Laboratorio de Microbiología Ambiental IBIOMAR/CESIMAR-CENPAT-CONICETPuerto Madryn 9120Argentina
Antarctic Penins.la is.experiencing one of the larges. global warming events.*** water bodies.generated by the melting of s.ow in s.mmer are numerous.and they might act as.s.ntinels.of climate change due to their rapi... 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 同方期刊数据库 同方期刊数据库 评论
s.EED:an integrated,s.artphone-operated,handheld digital PCR Device for point-of-care tes.ing
收藏 引用
Micros.s.ems.& nanoengineering 2024年 第3期10卷 149-158页
作者: Haoqing Zhang Xiaocheng Liu Xinlu Wang Zhiqiang Yan Ying Xu Martina Gaňová TomášŘezníček Marie Korabečná Pavel neuzil Minis.ry of Education Key Laboratory of Micro and nano s.s.ems.for Aeros.ace School of Mechanical EngineeringNorthwestern Polytechnical University127 West Youyi RoadXi’anShaanxi 710072PR China The Key Laboratory of Biomedical Information Engineering of the Minis.ry of Education School of Life Science and TechnologyXi’an Jiaotong UniversityXi’anShaanxi 710049PR China Bioins.ired Engineering and Biomechanics.Center(BEBC) Xi’an Jiaotong UniversityXi’an 710049PR China s.hool of Marine s.ience and Technology Northwestern Polytechnical UniversityXi’anShaanxi 710072PR China Central European Ins.itute of Technology Brno University of TechnologyPurkyňova 12361300 BrnoCzech Republic ITD Tech s.R.O Osvoboditelu100573581 BohumínCzech Republic Ins.itute of Biology and Medical Genetics First Faculty of MedicineCharles University and General University Hospital of PragueAlbertov 412800 PragueCzech Republic
This.s.udy elaborates.on the des.gn,fabrication,and data analys.s.details.of s.EED,a recently propos.d s.artphonebas.d digital polymeras. chain reaction(dPCR)*** dPCR chips.incorporate partition diameters.ranging from... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论