咨询与建议

限定检索结果

文献类型

  • 17,315 篇 期刊文献
  • 886 篇 会议
  • 212 册 图书
  • 12 篇 学位论文

馆藏范围

  • 18,380 篇 电子文献
  • 56 种 纸本馆藏

日期分布

学科分类号

  • 8,142 篇 医学
    • 7,067 篇 临床医学
    • 1,011 篇 基础医学(可授医学...
    • 937 篇 医学技术(可授医学...
    • 753 篇 公共卫生与预防医...
    • 525 篇 中西医结合
  • 7,905 篇 工学
    • 2,552 篇 材料科学与工程(可...
    • 1,507 篇 化学工程与技术
    • 1,176 篇 生物医学工程(可授...
    • 984 篇 电子科学与技术(可...
    • 930 篇 电气工程
    • 869 篇 环境科学与工程(可...
    • 828 篇 力学(可授工学、理...
    • 801 篇 机械工程
    • 737 篇 动力工程及工程热...
    • 642 篇 计算机科学与技术...
    • 623 篇 地质资源与地质工...
    • 604 篇 核科学与技术
    • 528 篇 冶金工程
    • 527 篇 水利工程
  • 6,839 篇 理学
    • 2,315 篇 化学
    • 2,105 篇 物理学
    • 1,592 篇 生物学
    • 880 篇 数学
    • 814 篇 天文学
    • 770 篇 地球物理学
    • 744 篇 地质学
    • 546 篇 生态学
  • 2,106 篇 农学
    • 896 篇 作物学
    • 518 篇 畜牧学
    • 491 篇 农业资源与环境
  • 482 篇 管理学
  • 298 篇 教育学
  • 253 篇 经济学
  • 127 篇 法学
  • 114 篇 文学
  • 49 篇 历史学
  • 48 篇 艺术学
  • 22 篇 哲学
  • 7 篇 军事学

主题

  • 125 篇 患者
  • 122 篇 ct
  • 112 篇 mri
  • 70 篇 analysis
  • 64 篇 diabetes
  • 60 篇 corrosion
  • 57 篇 properties
  • 53 篇 acid
  • 51 篇 and
  • 42 篇 安慰剂对照
  • 41 篇 mortality
  • 40 篇 of
  • 39 篇 mr
  • 38 篇 antioxidant
  • 37 篇 adsorption
  • 35 篇 performance
  • 35 篇 prevalence
  • 35 篇 survival
  • 34 篇 plasma
  • 34 篇 surface

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...
  • 66 篇 national researc...
  • 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
  • 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
  • 80 篇 y.hayato
  • 80 篇 a.v.gritsan
  • 77 篇 a.gurtu
  • 77 篇 m.carena
  • 76 篇 a.masoni
  • 70 篇 s.rolli
  • 69 篇 a.d.martin
  • 66 篇 b.heltsley
  • 64 篇 kavli ipmu
  • 64 篇 l.pape
  • 58 篇 s.r.klein
  • 58 篇 d.h.weinberg

语言

  • 10,310 篇 英文
  • 8,115 篇 中文
检索条件"作者=Sim.n m.Hooker"
18425 条 记 录,以下是51-60 订阅
排序:
Design of a novel Exoskeleton with Passive magnetic Spring Self-locking and Spine Lateral Balancing
收藏 引用
Journal of Bionic Engineering 2024年 第1期21卷 236-255页
作者: Jhon F.Rodríguez-León Betsy D.m.Chaparro-Rico Daniele Cafolla Francesco Lago Eduardo Castillo-Castañeda Giuseppe Carbone Centro de Investigacion en Ciencia Aplicada y Tecnologia Avanzada Unidad Querétaro MecatronicaInstituto Politécnico NacionalCerro Blanco 14176090 Colinas del CimatarioQuerétaroMexico Department of mechanical Energy and Management EngineeringUniversity of CalabriaVia P.Bucci Cubo 46 C87036 RendeItaly Faculty of Science and Engineering Department of Computer ScienceSwansea UniversitySwanseaUK CESTER University of Cluj-NapocaCluj-NapocaRomania
This paper proposes a new upper-limb exoskeleton to reduce worker physical *** proposed design is based on a novel PRRRP(P-Prismatic;R-Revolute)kinematic chain with 5 passive Degrees of Freedom(DoF).Utilizing a magnet... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Extracellular vesicles-coupled miRnAs from oviduct and uterus modulate signaling pathways related to lipid metabolism and bovine early embryo development
收藏 引用
Journal of Animal Science and Biotechnology 2024年 第4期15卷 1528-1549页
作者: Rosane mazzarella Karina Canon‑Beltran Yulia n.Cajas meriem Hamdi Encina m.Gonzalez Juliano C.da Silveira Claudia L.V.Leal D.Rizos Department of Animal Reproduction INIA-CSICMadridSpain Department of Biochemistry and molecular Biology Veterinary FacultyComplutense University of Madrid(UCM)MadridSpain Department Agrarian Production Technical University of MadridUPMMadridSpain Departamento de Ciencias Biologicas Universidad Tecnica Particular de LojaUTPLLojaEcuador Department of Anatomy and Embryology FV-UCMMadridSpain Department of Veterinary medicine FZEA-USPPirassunungaBrazil
Background Extracellular vesicles(EVs) present in oviductal(OF) and uterine fluid(UF) have been shown to enhance bovine embryo quality during in vitro culture by reducing lipid contents and modulating lipid metabolism... 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
Association of initial assessment variables and mortality in severe pediatric traumatic brain injury
收藏 引用
World Journal of Pediatric Surgery 2024年 第2期7卷 125-133页
作者: Katherine C Bergus Kelli n Patterson Lindsey Asti Josh Bricker Tariku J Beyene Lauren n Schulz Dana m Schwartz Rajan K Thakkar Eric A Sribnick Pediatric Surgery Nationwide Children's HospitalColumbusOhioUSA CenterforSurgical Outcomes Research Nationwide Children's HospitalColumbusOhioUSA neurologic Surgery The Ohio State UniversityColumbusOhioUSA neurologic Surgery Nationwide Children's HospitalColumbusOhioUSA
Background Predictive scales have been used to prognosticate long-term outcomes of traumatic brain injury(TBI),but gaps remain in predicting mortality using initial trauma resuscitation *** sought to evaluate the asso... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Tilted global solar irradiance in Bahrain: an experimental study
收藏 引用
CLEAn EnERGY 2024年 第2期8卷 27-34页
作者: Vasilikos, n. Georgantopoulou, C. Alajaimi, H. Almajed, S. H. Ahmed, m. mathioulakis, D. Bahrain Polytech Sch Mech Engn POB 33349 Isa Town Bahrain natl Tech Univ Athens Sch Mech Engn Heroon Polytech 7 St Athens 15773 Greece
In the present work, tilted global solar irradiance data are presented and analysed, measured for a period of 1 year on the campus of Bahrain Polytechnic, Kingdom of Bahrain, from both a fixed photovoltaic panel and a... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Characterization of bright betatron radiation generated by direct laser acceleration of electrons in plasma of near critical density
收藏 引用
matter and Radiation at Extremes 2024年 第2期9卷 26-35页
作者: J.Cikhardt m.Gyrdymov S.Zähter P.Tavana m.m.Günther n.Bukharskii n.Borisenko J.Jacoby X.F.Shen A.Pukhov n.E.Andreev O.n.Rosmej Faculty of Electrical Engineering Czech Technical University in Prague16627 Prague 6Czech Republic Goethe University FrankfurtMax-von-Laue-Straße 160438 Frankfurt am MainGermany GSI Helmholtzzentrum für Schwerionenforschung GmbH Planckstraße 164291 DarmstadtGermany Focused Energy GmbH Im Tiefen See 4564293 DarmstadtGermany national Research nuclear University mEPhI Kashirskoe shosse 31115409 MoscowRussian Federation Lebedev Physical Institute RAS Leninskiy Prospekt 53119991 MoscowRussian Federation Heinrich-Heine-University Düsseldorf Universitätsstrasse 1DüsseldorfGermany Joint Institute for High Temperatures RASIzhorskaya st.13Bldg.2125412 MoscowRussian Federation moscow Institute of Physics and Technology Institutskiy Pereulok 9141700 DolgoprudnyRussia
Directed x-rays produced in the interaction of sub-picosecond laser pulses of moderate relativistic intensity with plasma of near-critical density are investigated. Synchrotron-like (betatron) radiation occurs in the ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Antibiotic ciprofloxacin removal from aqueous solutions by electrochemically activated persulfate process:Optimization,degradation pathways,and toxicology assessment
收藏 引用
Journal of Environmental Sciences 2024年 第9期143卷 85-98页
作者: Elif Yakamercan Ahmet Aygün Halis simsek Environmental Engineering Department Bursa Technical UniversityBursaTurkey Agricultural and Biological Engineering Department Purdue UniversityWest LafayetteINUSA
Ciprofloxacin(CIP)is a commonly used antibiotic in the fluoroquinolone group and is widely used in medical and veterinary medicine disciplines to treat bacterial *** CIP is discharged into the sewage system,it cannot ... 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
metal-modulated epitaxy of mg-doped Al_(0.80)In_(0.20)n-based layer for application as the electron blocking layer in deep ultraviolet light-emitting diodes
收藏 引用
Journal of Semiconductors 2024年 第5期45卷 80-89页
作者: Horacio Irán Solís-Cisneros Carlos Alberto Hernández-Gutiérrez Enrique Campos-González máximo López-López Optomechatronics Group Tecnológico Nacional de México Campus Tuxtla Gutiérrezcarretera Panamericana 1080C.P.29050Tuxtla GutiérrezChiapasMéxico Departamento de Física Instituto Nacional de Investigaciones NuclearesCarretera México-Toluca s/nC.P.52750La Marquesa OcoyoacacMéxico Departamento de Física Centro de Investigación y estudios Avanzados del Instituto Politécnico NacionalAv.Instituto Politécnico Nacional 2508San Pedro ZacatencoGustavo A.Madero07360 Ciudad de MéxicoCDMXMéxico
This work reports the growth and characterization of p-AlInn layers doped with mg by plasma-assisted molecular beam epitaxy(PAmBE).AlInn was grown with an Al molar fraction of 0.80 by metal-modulated epitaxy(mmE)with ... 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
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
Outcomes of long-acting injectable antipsychotics use in pregnancy:A literature review
收藏 引用
World Journal of Psychiatry 2024年 第4期14卷 582-599页
作者: Ana V Pejčić Srdjan m Stefanović milošn milosavljević Vladimir S Janjić marko m Folić nevena D Folić Jovana Z milosavljević Department of Pharmacology and Toxicology Faculty of Medical SciencesUniversity of KragujevacKragujevac 34000Serbia Department of Pharmacy Faculty of Medical SciencesUniversity of KragujevacKragujevac 34000Serbia Department of Clinical Pharmacology University Clinical Center KragujevacKragujevac 34000Serbia Department of Psychiatry Faculty of Medical SciencesUniversity of KragujevacKragujevac 34000Serbia Clinic for Psychiatry University Clinical Center KragujevacKragujevac 34000Serbia Center for Pharmaceutical and Pharmacological Research Faculty of Medical SciencesUniversity of KragujevacKragujevac 34000Serbia Department of Pediatrics Faculty of Medical SciencesUniversity of KragujevacKragujevac 34000Serbia Pediatric Clinic University Clinical Center KragujevacKragujevac 34000Serbia Department of Anatomy Faculty of Medical SciencesUniversity of KragujevacKragujevac 34000Serbia
BACKGROUnD Women with a history of serious psychotic disorders are at increased risk of disease relapse during ***-acting injectable(LAI)antipsychotics have been widely used to improve adherence and prevent relapse in... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Efficient Communication in Wireless Sensor networks Using Optimized Energy Efficient Engroove Leach Clustering Protocol
收藏 引用
Tsinghua Science and Technology 2024年 第4期29卷 985-1001页
作者: n.meenakshi Sultan Ahmad A.V.Prabu J.nageswara Rao nashwan Adnan Othman Hikmat A.m.Abdeljaber R.Sekar Jabeen nazeer SRm Institute of Science and Technology KattankulathurChennai 603203India Department of Computer Science College of Computer Engineering and SciencesPrince Sattam Bin Abdulaziz UniversityAlkharj 11942Saudi Arabia University Center for Research and Development(UCRD) Department of Computer Science and EngineeringChandigarh UniversityGharuanMohali 140413India Department of ECE Koneru Lakshmaiah Education FoundationVaddeswaramGuntur 522502India Department of Computer Science and Engineering Lakireddy Balireddy College of Engineering(A)NTR District 521230India Department of Computer Engineering College of EngineeringKnowledge UniversityErbil 44001Iraq Department of Computer Science Faculty of Information TechnologyApplied Science Private UniversityAmman 11937Jordan Department of Electronics and Communication Engineering(ECE) School of EngineeringPresidency UniversityBangalore 834001India
The Wireless Sensor network(WSn)is a network that is constructed in regions that are inaccessible to human *** widespread deployment of wireless micro sensors will make it possible to conduct accurate environmental mo... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论