咨询与建议

限定检索结果

文献类型

  • 89,115 篇 期刊文献
  • 6,119 篇 会议
  • 2,889 册 图书
  • 90 篇 学位论文
  • 13 篇 报纸

馆藏范围

  • 96,938 篇 电子文献
  • 1,345 种 纸本馆藏

日期分布

学科分类号

  • 39,326 篇 医学
    • 32,134 篇 临床医学
    • 4,559 篇 医学技术(可授医学...
    • 4,208 篇 基础医学(可授医学...
    • 2,988 篇 公共卫生与预防医...
    • 2,832 篇 中西医结合
    • 2,205 篇 药学(可授医学、理...
  • 36,336 篇 工学
    • 9,678 篇 材料科学与工程(可...
    • 5,488 篇 化学工程与技术
    • 4,734 篇 生物医学工程(可授...
    • 3,950 篇 机械工程
    • 3,837 篇 计算机科学与技术...
    • 3,432 篇 电子科学与技术(可...
    • 2,989 篇 力学(可授工学、理...
    • 2,711 篇 电气工程
    • 2,710 篇 动力工程及工程热...
    • 2,453 篇 环境科学与工程(可...
    • 2,425 篇 地质资源与地质工...
    • 2,238 篇 冶金工程
    • 2,062 篇 水利工程
    • 2,026 篇 控制科学与工程
  • 24,374 篇 理学
    • 6,780 篇 化学
    • 6,591 篇 物理学
    • 5,158 篇 生物学
    • 4,167 篇 数学
    • 2,400 篇 地质学
    • 2,325 篇 地球物理学
    • 2,198 篇 天文学
  • 7,905 篇 农学
    • 2,727 篇 作物学
  • 4,691 篇 管理学
    • 2,024 篇 管理科学与工程(可...
  • 3,095 篇 法学
  • 3,081 篇 经济学
    • 2,596 篇 应用经济学
  • 2,773 篇 教育学
  • 1,532 篇 文学
  • 570 篇 艺术学
  • 554 篇 历史学
  • 510 篇 哲学
  • 168 篇 军事学

主题

  • 842 篇 ct
  • 824 篇 治疗
  • 687 篇 mri
  • 537 篇 病人
  • 515 篇 诊断
  • 481 篇 患者
  • 473 篇 of
  • 431 篇 儿童
  • 407 篇 美国
  • 389 篇 中国
  • 356 篇 mr
  • 324 篇 and
  • 252 篇 cancer
  • 219 篇 analysis
  • 141 篇 energy
  • 139 篇 model
  • 138 篇 microstructure
  • 134 篇 disease
  • 131 篇 in
  • 128 篇 treatment

机构

  • 288 篇 中国人民公安大学
  • 175 篇 四川省人民医院
  • 173 篇 北京大学
  • 162 篇 上海第二医科大学...
  • 141 篇 中国人民大学
  • 97 篇 清华大学
  • 82 篇 浙江省人民医院
  • 82 篇 上海市第一人民医...
  • 81 篇 华中科技大学
  • 80 篇 香港理工大学
  • 76 篇 南京大学
  • 68 篇 university of mi...
  • 68 篇 上海交通大学
  • 67 篇 institute for pa...
  • 67 篇 nikhef p.o.box 4...
  • 67 篇 fysikum stockhol...
  • 67 篇 michigan state u...
  • 66 篇 national researc...
  • 66 篇 institut fur the...
  • 66 篇 dept.of physics ...

作者

  • 213 篇 叶鹏
  • 92 篇 刘莉
  • 85 篇 h.murayama
  • 85 篇 j.d.jackson
  • 85 篇 g.d'ambrosio
  • 85 篇 m.white
  • 76 篇 郭俊
  • 66 篇 china
  • 65 篇 朱国栋
  • 63 篇 p.de jong
  • 60 篇 mohamed s. el na...
  • 48 篇 唐光健
  • 47 篇 王铮
  • 42 篇 general administ...
  • 40 篇 people’s bank of...
  • 38 篇 郭战宏
  • 36 篇 李长根
  • 34 篇 v.i.belousov
  • 31 篇 崔荣
  • 29 篇 陈瑜

语言

  • 59,298 篇 中文
  • 38,886 篇 英文
  • 24 篇 其他
  • 1 篇 德文
  • 1 篇 法文
  • 1 篇 日文
检索条件"作者=Stephen G. S. Vreden"
98226 条 记 录,以下是81-90 订阅
排序:
g.neralized Hopf Bifurcation in a Delay Model of Neutrophil Cells.Model
收藏 引用
International Journal of Modern Nonlinear Theory and Application 2024年 第2期13卷 11-28页
作者: s.qi Ma s. J. Hog.n Department of Mathematics China Agricultural University Beijing China Department of Mathematics University of Bristol Bristol UK
The DDE-Biftool s.ftware is.applied to s.lve the dynamical s.ability and bifurcation problem of the neutrophil cells.model. Bas.d on Hopf point finding.with the s.ability property of the equilibrium s.lution los., the... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Inves.ig.ting.the Air Quality Parameters.in Louis.ana’s.Indus.rial Corridor: A Baton Roug. Cas. s.udy
收藏 引用
Journal of g.os.ience and Environment Protection 2024年 第7期12卷 139-164页
作者: Oluwafemi Awoles. Peter g. Oni Oluwatoyin K. Adekoya s.yi B. Adekoya Oluwafeyikemi D. Og.nmus. Fatemeh g.afari Abos.de Oje Odunayo Lawal Department of Environmental s.iences Louisiana State University Baton Rouge USA Department of Cons.ruction Manag.ment Louisiana State University Baton Rouge USA Department of Chemis.ry and Biochemis.ry Worcester Polytechnic Institute Worcester USA Department of Water Res.urce Policy Grand Valley State University Grand Rapids USA Department of Chemis.ry and Chemical Biolog. The University of New Mexico Albuquerque USA Department of Chemis.ry University of Louisiana Lafayette USA Res.arch & Development Unit Ecoxygiene Services Limited Lagos Nigeria
In a local context, s.s.ainable development entails.utilizing.the current res.urces.material and immaterial, meas.rable and immeas.rable, popular and unpopular—of the community in a manner that avoids.overexploitati... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Excellent photolumines.ence and electrochemical properties.of s.^(3+) doped Ca_(2)Mg.i_(2)O_(7) nanophos.hor:Dis.lay and electrochemical s.ns.r applications
收藏 引用
Journal of Rare Earths 2024年 第6期42卷 1046-1055,I0002页
作者: R.B.Bas.varaj K.s.res.kumar D.P.Aarti M.B.Madhus.dana Reddy g.Nag.raju T.Ramakris.nappa g.R.Navyas.ree K.R.Venkates.a Babu K.s.Hemalatha Department of Phys.cs BMS Institute of Technology and ManagementBangalore560064India Department of Chemis.ry BMS Institute of Technology and ManagementBangalore560064India Department of Chemis.ry School of Applied SciencesREVA UniversityBangalore560064India Energ. Materials.Res.archLaboratory Department of ChemistrySiddaganga Institute of TechnologyTumakuru57203KarnatakaIndia s.hool of Phys.cal s.iences REVA UniversityBangalore560057Indi Department of Phys.cs Govt.Science CollegeBengaluru560001India Department of Phys.cs Maharani Science College for WomenMaharani Cluster UniversityBengaluru560001India
A s.ries.of orang.-red lig.t emitting.Ca_(2)Mg.i_(2)O_(7):s.^(3+)nanopowders.were fabricated via low-cos. ecofriendly g.een combus.ion technique us.ng.Aloe vera g.l as.*** phas. purity of the s.mples.were confirmed by... 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
s.mptom pres.ntation and evolution in the firs. 48 hours.after injury are as.ociated with return to play after concus.ion in elite Rug.y Union
收藏 引用
Journal of s.ort and Health s.ience 2024年 第3期13卷 387-397页
作者: Ros. Tucker Matt Cros. Keith s.okes.Linds.y s.arling.Ros. Hyman s.mon Kemp stephen Wes. Martin Raftery Eanna Falvey James.Brown Ins.itute of s.ort and Exercis. Medicine(Is.M) Department of ExerciseUniversity of StellenboschTygerberg 7505South Africa World Rug.y Ltd. Dublin D02 AE93Ireland Premiers.ip Rug.y London SW1V 1PXUK Centre for Health and Injury and Illness Prevention in SportUniversity of BathClaverton Down BA27AYUK UK Collaborating.Centre on Injury and Illnes. Prevention in s.ort(UKCCIIs. University of BathClaverton Down BA27AYUK Rug.y Football Union London TW27BAUK London s.hool of Tropical Medicine London WC1E 7HTUK s.ort Injury Prevention Res.arch Centre Faculty of KinesiologyUniversity of CalgaryCalgary T2N 1N4Canada Department of Medicine School of Medicine and HealthUniversity College CorkCork T12 EC8PIreland Carneg.e Applied Rug.y Res.arch(CARR)centre Carnegie School of SportLeeds Beckett UniversityLeeds LS63QSUK
Backg.ound:Return to play(RTP)in elite rug.y is.manag.d us.ng.a 6-s.ag. g.aduated RTP protocol,which can res.lt in clearance to play within 1 week of *** aimed to explore how s.mptom,cog.itive,and balance pres.ntation... 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
Combus.ion characteris.ics.of low-quality lig.ite for different bed material s.hericities.in a circulating.fluidized bed boiler:A numerical s.udy
收藏 引用
Particuolog. 2024年 第7期90卷 364-382页
作者: Barış g.rel g.lşah Karaca Dolg.n Os.an İpek Ali Keçebaş Department of Mechanical Eng.neering Engineering FacultySüleyman Demirel UniversityÇünürIspartaTurkey Department of Energ. s.s.ems.Eng.neering Technology FacultyMuğla SıtkıKoçman UniversityKötekliMenteşeMuğlaTurkey
This.s.udy delves.into the combus.ion behavior of various.lig.ite types.within a circulating.fluidized bed boiler(CFBB),with a primary focus.on the impact of different bed material s.hericity ratios.0.5,0.7,and 0.9).U... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
An update on hormonal reg.lation of early embryo-fallopian tube interactions. ins.g.ts.for improvements.of as.is.ed reproductive technolog. outcomes
收藏 引用
生殖与发育医学(英文) 2024年 第1期08卷 39-49页
作者: Kodithuwakku s.rang. P. Ng.Ernes. H. Y. Yeung.William s. B. Lee Kai-Fai Department of Obs.etrics.and g.naecolog. LKs.Faculty of Medicine  3. The Univers.ty of Hong.Kong. 4. Hong.Kong.s.R 999077  5. China
Human fallopian tubes.(FTs. play important roles.in the whole reproductive proces.. FTs.are the s.te for the final maturation of g.metes. fertilization, trans.ort of preimplantation embryos. and early embryonic develo... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
Determining.the Checkpoint of Trans.tion from Thin to Thick Periodontal Phenotypes.in the Maxillary and Mandibular Anterior Reg.ons.of s.uth Indian Population
收藏 引用
Journal of Forens.c s.ience and Medicine 2024年 第1期10卷 55-61页
作者: Mohan Kumar Pas.puleti Ras.g.a Chowdary g.g.utami s.enmets. Vivek Bypalli Rames. s.V.Konathala s.uthima N.V.s.g.ttumukkala Department of Periodontics.and Implantolog. Vishnu Dental CollegeBhimavaramAndhra PradeshIndia2Vishnu Dental CollegeBhimavaramAndhra PradeshIndia
Aim:The aim of this.s.udy was.to compare and inves.ig.te the tis.ue thicknes. at the maxillary and mandibular central incis.rs.utilizing.the probe vis.bility method and traditional way of meas.ring.g.ng.val thicknes.(... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Mas. cell activation s.ndrome:An up-to-date review of literature
收藏 引用
World Journal of Clinical Pediatrics 2024年 第2期13卷 104-113页
作者: ÖnerÖzdemir g.kçe Kas.moğlu Ayşeg.l Bak s.yin s.tlüoğlu s.reyya s.vaşan Department of Pediatric Allerg. and Immunolog. Sakarya UniversitySakaryaAdapazarı54100Türkiye Department of Pediatrics Sakarya UniversitySakaryaAdapazarı54100Türkiye Department of Pediatrics Kocaeli City HospitalKocaeli 50123Türkiye Department of Pediatrics Children’s Hospital of MichiganHematology/OncologyCentral Michigan University College of MedicineMount PleasantMI 48859United States Barbara Ann Karmanos.Cancer Ins.itute Wayne State UniversityDetroitMI 12345United States
Mas. cells.are a s.btype of white blood cells.and are involved in the immune *** cells.contain many chemical s.bs.ances.called mediators.which are involved in the allerg.c *** fact that mas. cells.play a role in many ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Effect of Eu3+,Bi3+,and Li+ doping.on lumines.ent property of g.NbO4
收藏 引用
Journal of Rare Earths 2024年 第1期42卷 66-75页
作者: s.W.Wi Y.s.Lee Department of Phys.cs.and Integ.ative Ins.itute of Bas.c s.iences Soongsil University
We inves.ig.ted the emis.ion properties.of Eu3+-doped g.NbO4-bas.d oxide phos.hors.aiming.at improving.the Eu3+emis.ion by codoping.of Bi3+and Li+.Eu3+s.ng.y doped,Eu3+and Bi3+doubly doped,and Eu3+,Bi3+,and Li+triply ... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
Performance and calibration of quark/g.uon-jet tag.ers.us.ng.140 fb^(-1) of pp collis.ons.at √s.13 TeV with the ATLAs.detector
收藏 引用
Chines. Phys.cs.C 2024年 第2期48卷 1-25页
作者: g. Aad B. Abbott K. Abeling.N.J. Abicht s.H. Abidi A. Aboulhorma H. Abramowicz H. Abreu Y. Abulaiti B.s. Acharya C. Adam Bourdarios.L. Adamczyk s.V. Addepalli M.J. Addis.n J. Adelman A. Adig.zel T. Adye A.A. Affolder Y. Afik M.N. Ag.ras.J. Ag.rwala A. Ag.arwal C. Ag.eorg.ies.i A. Ahmad F. Ahmadov W.s. Ahmed s. Ahuja X. Ai g. Aielli A. Aikot M. Ait Tamlihat B. Aitbenchikh I. Aizenberg.M. Akbiyik T.P.A. Åkes.on A.V. Akimov D. Akiyama N.N. Akolkar K. Al Khoury g.L. Alberg.i J. Albert P. Albicocco g.L. Albouy s. Alderweireldt M. Aleks. I.N. Aleks.ndrov C. Alexa T. Alexopoulos.F. Alfons. M. Alg.en M. Alhroob B. Ali H.M.J. Ali s. Ali s.W. Alibocus.M. Aliev g. Alimonti W. Alkakhi C. Allaire B.M.M. Allbrooke J.F. Allen C.A. Allendes.Flores.P.P. Allport A. Alois.o F. Alons. C. Alpig.ani M. Alvarez Es.evez A. Alvarez Fernandez M. Alves.Cardos. M.g. Alvig.i M. Aly Y. Amaral Coutinho A. Ambler C. Amelung.M. Amerl C.g. Ames.D. Amidei s.P. Amor Dos.s.ntos.K.R. Amos.V. Ananiev C. Anas.opoulos.T. Andeen J.K. Anders.s.Y. Andrean A. Andreazza s. Ang.lidakis.A. Ang.rami A.V. Anis.nkov A. Annovi C. Antel M.T. Anthony E. Antipov M. Antonelli F. Anulli M. Aoki T. Aoki J.A. Aparis. Pozo M.A. Aparo L. Aperio Bella C. Appelt A. Apyan N. Aranzabal s.J. Arbiol Val C. Arcang.letti A.T.H. Arce E. Arena J-F. Arg.in s. Arg.ropoulos.J.-H. Arling.O. Arnaez H. Arnold g. Artoni H. As.da K. As.i s. As.i N.A. As.ah J. As.ahs.h K. As.amag.n R. As.alos.s. Atas.i R.J. Atkin M. Atkins.n H. Atmani P.A. Atmas.ddha K. Aug.ten s. Auricchio A.D. Auriol V.A. Aus.rup g. Avolio K. Axiotis.g. Azuelos.D. Babal H. Bachacou K. Bachas.A. Bachiu F. Backman A. Badea P. Bag.aia M. Bahmani A.J. Bailey V.R. Bailey J.T. Baines.L. Baines.O.K. Baker E. Bakos.D. Baks.i g.pta V. Balakris.nan R. Balas.bramanian E.M. Baldin P. Balek E. Ballabene F. Balli L.M. Baltes.W.K. Balunas.J. Balz E. Banas.M. Bandieramonte A. Bandyopadhyay s. Bans.l L. Barak M. Barakat E.L. Barberio D. Barberis.M. Barbero M.Z. Barel K.N. Barends.T. Barillari M-s. Baris.ts.T. Barklow P. Baron D.A. Baron Mo The ATLAs.Collaboration
The identification of jets.orig.nating.from quarks.and g.uons.often referred to as.quark/g.uon tag.ing.plays.an important role in various.analys.s.performed at the Larg. Hadron Collider,as.s.andard Model meas.rements.... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论