咨询与建议

限定检索结果

文献类型

  • 16,761 篇 期刊文献
  • 1,369 篇 会议
  • 796 册 图书
  • 1 篇 学位论文

馆藏范围

  • 18,621 篇 电子文献
  • 311 种 纸本馆藏

日期分布

学科分类号

  • 7,920 篇 医学
    • 6,759 篇 临床医学
    • 1,290 篇 医学技术(可授医学...
    • 1,144 篇 基础医学(可授医学...
    • 677 篇 公共卫生与预防医...
    • 614 篇 中西医结合
    • 447 篇 药学(可授医学、理...
  • 7,785 篇 工学
    • 2,270 篇 材料科学与工程(可...
    • 1,443 篇 化学工程与技术
    • 1,418 篇 生物医学工程(可授...
    • 898 篇 机械工程
    • 694 篇 动力工程及工程热...
    • 688 篇 电子科学与技术(可...
    • 646 篇 力学(可授工学、理...
    • 644 篇 冶金工程
    • 567 篇 电气工程
    • 553 篇 环境科学与工程(可...
    • 539 篇 计算机科学与技术...
    • 487 篇 地质资源与地质工...
    • 441 篇 核科学与技术
    • 427 篇 控制科学与工程
  • 5,641 篇 理学
    • 1,843 篇 化学
    • 1,782 篇 物理学
    • 1,370 篇 生物学
    • 650 篇 地质学
    • 594 篇 地球物理学
    • 539 篇 天文学
    • 538 篇 数学
    • 391 篇 生态学
  • 1,894 篇 农学
    • 651 篇 作物学
    • 525 篇 畜牧学
  • 565 篇 管理学
  • 346 篇 经济学
  • 340 篇 教育学
  • 225 篇 法学
  • 203 篇 文学
  • 94 篇 艺术学
  • 81 篇 历史学
  • 70 篇 哲学
  • 29 篇 军事学

主题

  • 193 篇 ct
  • 168 篇 mri
  • 139 篇 患者
  • 83 篇 mr
  • 69 篇 病人
  • 54 篇 中国
  • 47 篇 前列腺癌
  • 45 篇 c
  • 45 篇 药物治疗
  • 41 篇 pet
  • 39 篇 analysis
  • 38 篇 hepatitis
  • 37 篇 mechanical prope...
  • 35 篇 危险因素
  • 34 篇 diabetes
  • 34 篇 气候变化
  • 32 篇 high
  • 30 篇 properties
  • 28 篇 phylogeny
  • 27 篇 多态性

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 department of ph...
  • 66 篇 national researc...
  • 66 篇 school of physic...
  • 66 篇 ludwig-maximilia...
  • 66 篇 cea/saclay dsm/i...
  • 66 篇 department of ph...
  • 66 篇 kobayashi-maskaw...
  • 66 篇 high energy phys...
  • 66 篇 department of ph...

作者

  • 90 篇 叶鹏
  • 89 篇 v.i.belousov
  • 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.burkert
  • 81 篇 y.hayato
  • 80 篇 a.v.gritsan
  • 76 篇 a.gurtu
  • 76 篇 m.carena
  • 76 篇 a.masoni
  • 71 篇 s.rolli
  • 64 篇 kavli ipmu
  • 64 篇 l.pape
  • 64 篇 a.d.martin
  • 63 篇 b.heltsley
  • 63 篇 s.r.klein
  • 61 篇 d.h.weinberg

语言

  • 10,702 篇 中文
  • 8,208 篇 英文
  • 11 篇 其他
检索条件"作者=j.j.c.o"
18927 条 记 录,以下是81-90 订阅
排序:
complexed amino acid minerals ***-glycinate chelated minerals:Impact on the performance of old laying hens
收藏 引用
Animal Nutrition 2024年 第1期16卷 395-408页
作者: Marcos j.B.Santos Maria c.M.M.Ludke Leandro M.Silva carlos B.V.Rabello Mércia R.Barros Fabiano S.costa clariana S.Santos jamille S.S.Wanderley Department of Animal Science Rural Federal University of PernambucoRecifePEBrazil Department of Veterinary Science Rural Federal University of PernambucoRecifePEBrazil
The present study was to evaluate the effect of trace minerals(Zn,Mn,and cu)from complexed amino acid minerals(ZMcAA)and bis-glycinate chelated minerals(ZMcGly)in laying hen diets on performance,internal and external ... 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
A Study of the TPS Based Beam-Matching concept for Medical Linear Accelerators at a Tertiary Hospital
收藏 引用
International journal of Medical Physics, clinical Engineering and Radiation oncology 2024年 第1期13卷 16-25页
作者: Ntombela N. Lethukuthula Rovetto j. Nicolas Nethwadzi c. Lutendo Mpumelelo Nyathi Department of Radiation oncology Steve Biko Academic Hospital Pretoria South Africa Department of Medical Physics University of Pretoria Pretoria South Africa Department of Medical Physics Sefako Makgatho Health Sciences University Ga-Rankuwa South Africa
The flexibility in radiotherapy can be improved if patients can be moved between any one of the department’s medical linear accelerators (LINAcs) without the need to change anything in the patient’s treatment plan. ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Are there sex-based disparities in cataract surgery?
收藏 引用
International journal of ophthalmology(English edition) 2024年 第1期17卷 137-143页
作者: Matthew D.Geiger Anne M.Lynch Alan G.Palestine Nathan c.Grove Karen L.christopher Richard S.Davidson Michael j.Taravella Naresh Mandava jennifer L.Patnaik Department of ophthalmology University of Colorado School of MedicineAuroraCO 80045USA
AIM:To investigate sex-based differences in the occurrence of intra-operative and post-operative complications and associated visual outcomes following cataract ***:This was a retrospective study of patients who had p... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Single atom cu-N-c catalysts for the electro-reduction of co_(2) to co assessed by rotating ring-disc electrode
收藏 引用
journal of Energy chemistry 2024年 第1期88卷 169-182,I0004页
作者: S.Pérez-Rodríguez M.Gutiérrez-Roa c.Giménez-Rubio D.Ríos-Ruiz P.Arévalo-cid M.V.Martínez-Huerta A.Zitolo M.j.Lázaro D.Sebastián Instituto de carboquímica(cSIc) Miguel Luesma Castán 450018 ZaragozaSpain Instituto de catálisis y Petroleoquímica(cSIc) Marie Curie 228049 MadridSpain Synchrotron SoLEIL L’Orme des MerisiersDépartementale 12891190France
The electrochemical co_(2) reduction reaction(co_(2)RR) to controllable chemicals is considered as a promising pathway to store intermittent renewable energy. Herein, a set of catalysts based on copper-nitrogendoped 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
黏声波方程波场模拟的通用格式自适应系数频域有限差分方法
收藏 引用
地球物理学报 2024年 第2期67卷 654-669页
作者: 徐文豪 巴晶 j.M.carcione 朱鹤松 河海大学地球科学与工程学院 南京211100 National Institute of oceanography and Applied Geophysics-oGS Borgo Grotta Gigante 42/cTriesteSgonico 34010Italy
黏声波方程常被用于描述地下介质的黏弹性及波的传播现象,频域有限差分(finite difference frequency domain,FDFD)方法是黏声波和黏弹性波波场模拟的常用工具.目前FDFD黏声波模拟常用的二阶五点方法和优化九点方法在一个波长内的网格... 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 博看期刊 评论
carbon Monoxide as c1 Building Block in Fine chemical Synthesis
收藏 引用
chinese journal of chemistry 2024年 第2期42卷 199-221页
作者: Rui M.B.carrilho Mario j.F.calvete Gabor Mikle Laszlo Kollar Mariette M.Pereira University of coimbra Coimbra Chemistry CentreDepartment of ChemistryRua Larga3004-535 CoimbraPortugal Department of General and Inorganic chemistry and ELKH-PTE Research Groupfor Selective chemical Syntheses University of PecsIfjusag utja 6H-7624 PecsHungary
carbon monoxide(co)has become one of the most relevant and versatile renewable c1 building blocks for chemical synthesis,especially in the fine chemicals industry,due to the development of efficient and selective cata... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
HDPairFinder:A data processing platform for hydrogen/deuterium isotopic labeling-based nontargeted analysis of trace-level amino-containing chemicals in environmental water
收藏 引用
journal of Environmental Sciences 2024年 第2期136卷 583-593页
作者: Tingting Zhao Kristin carroll caley B.craven Nicholas j.P.Wawryk Shipei Xing jian Guo Xing-Fang Li Tao Huan Department of chemistry Faculty of ScienceUniversity of British ColumbiaVancouver Campus2036 Main MallVancouverBritish ColumbiaV6T 1Z1Canada Division of Analytical and Environmental Toxicology Department of Laboratory Medicine and PathologyFaculty of Medicine and DentistryUniversity of AlbertaEdmontonAlberta T6G 2G3Canada
The combination of hydrogen/deuterium(H/D)formaldehyde-based isotopic methyl labeling with solid-phase extraction and high-performance liquid chromatography–high resolution mass spectrometry(HPLc-HRMS)is a powerful a... 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
A functional tacrolimus-releasing nerve wrap for enhancing nerve regeneration following surgical nerve repair
收藏 引用
Neural Regeneration Research 2025年 第1期20卷 291-304页
作者: Simeon c.Daeschler Katelyn j.W.So Konstantin Feinberg Marina Manoraj jenny cheung jennifer Zhang Kaveh Mirmoeini jPaul Santerre Tessa Gordon Gregory HBorschel SickKids Research Institute Neuroscience and Mental Health ProgramTorontoONCanada Institute of Biomaterials and Biomedical Engineering University of TorontoTorontoONCanada Indiana University School of Medicine IndianapolisINUSA Division of Plastic and Reconstructive Surgery the Hospital for Sick ChildrenTorontoONCanada Translational Biology and Engineering Program Ted Rogers Centre for Heart ResearchInstitute of Biomedical EngineeringFaculty of DentistryUniversity of TorontoTorontoONCanada
Axonal regeneration following surgical nerve repair is slow and often incomplete,resulting in poor functional recovery which sometimes contributes to lifelong ***,there are no FDA-approved therapies available to promo... 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
Amplitude analysis of the decays D^(0)→π^(+)π^(−)π^(+)π^(−)and D^(0)→π^(+)π^(−)π^(0)π^(0)
收藏 引用
chinese Physics c 2024年 第8期48卷 6-33页
作者: M.Ablikim M.N.Achasov P.Adlarson o.Afedulidis X.c.Ai R.Aliberti A.Amoroso Q.An Y.Bai o.Bakina I.Balossino Y.Ban H.-R.Bao V.Batozskaya K.Begzsuren N.Berger M.Berlowski M.Bertani D.Bettoni F.Bianchi E.Bianco A.Bortone I.Boyko R.A.Briere A.Brueggemann H.cai X.cai A.calcaterra G.F.cao N.cao S.A.cetin j.F.chang W.L.chang G.R.che G.chelkov c.chen c.H.chen chao chen G.chen H.S.chen M.L.chen S.j.chen S.L.chen S.M.chen T.chen X.R.chen X.T.chen Y.B.chen Y.Q.chen Z.j.chen Z.Y.chen S.K.choi X.chu G.cibinetto F.cossio j.j.cui H.L.Dai j.P.Dai A.Dbeyssi R.E.de Boer D.Dedovich c.Q.Deng Z.Y.Deng A.Denig I.Denysenko M.Destefanis F.De Mori B.Fang S.S.Fang W.X.Fang Y.Fang Y.Q.Fang R.Farinelli L.Fava F.Feldbauer G.Felici c.Q.Feng j.H.Feng Y.T.Feng K.Fischer M.Fritsch c.D.Fu j.L.Fu Y.W.Fu H.Gao Y.N.Gao Yang Gao S.Garbolino I.Garzia P.T.Ge Z.W.Ge c.Geng E.M.Gersabeck B.Ding X.X.Ding Y.Ding Y.Ding j.Dong L.Y.Dong M.Y.Dong X.Dong M.c.Du S.X.Du Z.H.Duan P.Egorov Y.H.Fan j.Fang jA.Gilman K.Goetzen L.Gong W.X.Gong W.Gradl S.Gramigna M.Greco M.H.Gu Y.T.Gu c.Y.Guan Z.L.Guan A.Q.Guo L.B.Guo M.j.Guo R.P.Guo Y.P.Guo A.Guskov j.Gutierrez K.L.Han T.T.Han X.Q.Hao F.A.Harris K.K.He K.L.He F.H.Heinsius c.H.Heinz Y.K.Heng c.Herold T.Holtmann P.c.Hong G.Y.Hou X.T.Hou Y.R.Hou Z.L.Hou B.Y.Hu H.M.Hu j.F.Hu T.Hu Y.Hu G.S.Huang K.X.Huang L.Q.Huang X.T.Huang Y.P.Huang T.Hussain F.H\"olzken N.H\"usken N.in der Wiesche M.Irshad j.jackson S.janchiv j.H.jeong Q.ji Q.P.ji W.ji X.B.ji X.L.ji Y.Y.ji X.Q.jia Z.K.jia D.jiang H.B.jiang P.c.jiang S.S.jiang T.j.jiang X.S.jiang Y.jiang j.B.jiao j.K.jiao Z.jiao S.jin Y.jin M.Q.jing X.M.jing T.johansson S.Kabana N.Kalantar-Nayestanaki X.L.Kang X.S.Kang M.Kavatsyuk B.c.Ke V.Khachatryan A.Khoukaz R.Kiuchi o.B.Kolcu B.Kopf M.Kuessner X.Kui A.Kupsc W.K\"uhn j.j.Lane P.Larin L.Lavezzi T.T.Lei Z.H.Lei H.Leithoff M.Lellmann T.Lenz c.Li c.Li c.H.Li cheng Li D.M.Li F.Li G.Li H.Li H.B.Li H.j.Li H.N.Li Hui Li j.R.Li j.S.Li K.Li L.j.Li L.K.Li Lei Li M.H.Li P.R.Li Q.M.Li Q.X.Li R.Li S.X.Li T.Li W.D.Li W.G.Li X.Li X.H.Li X.L.Li X.Y.Li Y Institute of High Energy Physics Chinese Academy of SciencesBeijing 100049China Beihang University Beijing 100191China Bochum Ruhr-University D-44780 BochumGermany Budker Institute of Nuclear Physics SB RAS(BINP) Novosibirsk 630090Russia carnegie Mellon University PittsburghPennsylvania 15213USA central china Normal University Wuhan 430079China central South University Changsha 410083China china center of Advanced Science and Technology Beijing 100190China china University of Geosciences Wuhan 430074China chung-Ang University Seoul06974Republic of Korea coMSATS University Islamabad Lahore CampusDefence RoadOff Raiwind Road54000 LahorePakistan Fudan University Shanghai 200433China GSI Helmholtzcentre for Heavy Ion Research GmbH D-64291 DarmstadtGermany Guangxi Normal University Guilin 541004China Guangxi University Nanning 530004China Hangzhou Normal University Hangzhou 310036China Hebei University Baoding 071002China Helmholtz Institute Mainz Staudinger Weg 18D-55099 MainzGermany Henan Normal University Xinxiang 453007China Henan University Kaifeng 475004China Henan University of Science and Technology Luoyang 471003China Henan University of Technology Zhengzhou 450001China Huangshan college Huangshan 245000China Hunan Normal University Changsha 410081China Hunan University Changsha 410082China Indian Institute of Technology Madras Chennai 600036India Indiana University BloomingtonIndiana 47405USA INFN Laboratori Nazionali di Frascati INFN Laboratori Nazionali di FrascatiI-00044FrascatiItaly INFN Laboratori Nazionali di Frascati INFN Sezione di PerugiaI-06100PerugiaItaly INFN Laboratori Nazionali di Frascati University of PerugiaI-06100PerugiaItaly INFN Sezione di Ferrara INFN Sezione di FerraraI-44122FerraraItaly INFN Sezione di Ferrara University of FerraraI-44122FerraraItaly Inner Mongolia University Hohhot 010021China Institute of Modern Physics Lanzhou 730000China Institute of Physics and Technology Peace Avenue 54BUlaanbaatar 13330Mongolia Instituto de A
Using e^(+)e^(−)annihilation data corresponding to an integrated luminosity of 2.93 fb^(−1)taken at the center-of-mass energy√s=3.773 GeV with the BESIII detector,a joint amplitude analysis is performed on the decays... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Full-spectrum Bi@SrTio_(3) for bi-directional promotion effects on photocatalytic redox reaction:Insight into intermediates and mechanism
收藏 引用
journal of Rare Earths 2024年 第5期42卷 917-929,I0004页
作者: Bin Liu Nanhao Zhou jun Liu Xinglei Wang Peter K.j.Robertson Xiaoyuan chen chao chen jianmin Luo chuanyi Wang School of chemistry and civil Engineering Shaoguan UniversityShaoguan512005China chengdu customs Technology center Chengdu610041China Key Laboratory of Pollutant chemistry and Environmental Treatment College of Chemistry and Environmental ScienceYili Normal UniversityYining835000China School of chemistry and chemical Engineering Queen's University BelfastStranmillis RoadBelfastBT95AGUnited Kingdom Guangzhou Institute of Industrial Intelligence(GIII) Guangzhou511400China
The development of full-spectrum photocatalysts active in the near-infrared(NIR)region has gained increasing attention for deleterious pollutant *** integration of plasmonic metals with semico nductors is an effective... 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