咨询与建议

限定检索结果

文献类型

  • 13,759 篇 期刊文献
  • 1,505 篇 会议
  • 411 册 图书
  • 19 篇 学位论文

馆藏范围

  • 15,573 篇 电子文献
  • 147 种 纸本馆藏

日期分布

学科分类号

  • 6,990 篇 医学
    • 5,378 篇 临床医学
    • 701 篇 医学技术(可授医学...
    • 604 篇 中西医结合
    • 584 篇 基础医学(可授医学...
    • 464 篇 公共卫生与预防医...
    • 417 篇 药学(可授医学、理...
    • 229 篇 中药学(可授医学、...
  • 5,280 篇 工学
    • 1,129 篇 材料科学与工程(可...
    • 841 篇 化学工程与技术
    • 594 篇 生物医学工程(可授...
    • 465 篇 力学(可授工学、理...
    • 384 篇 水利工程
    • 381 篇 电子科学与技术(可...
    • 293 篇 动力工程及工程热...
    • 249 篇 机械工程
    • 248 篇 地质资源与地质工...
    • 225 篇 仪器科学与技术
    • 209 篇 计算机科学与技术...
    • 187 篇 光学工程
    • 183 篇 核科学与技术
  • 3,180 篇 理学
    • 700 篇 物理学
    • 697 篇 化学
    • 475 篇 生物学
    • 421 篇 数学
    • 297 篇 地质学
    • 209 篇 生态学
  • 1,621 篇 农学
    • 394 篇 作物学
    • 386 篇 畜牧学
    • 297 篇 农业资源与环境
  • 383 篇 管理学
  • 231 篇 教育学
  • 210 篇 经济学
    • 184 篇 应用经济学
  • 104 篇 法学
  • 104 篇 文学
  • 63 篇 哲学
  • 60 篇 历史学
  • 34 篇 艺术学
  • 8 篇 军事学

主题

  • 93 篇 患者
  • 49 篇 mri
  • 46 篇 analysis
  • 42 篇 高海拔
  • 39 篇 安慰剂对照
  • 38 篇 ct
  • 37 篇 properties
  • 36 篇 liver
  • 33 篇 phylogeny
  • 33 篇 磁共振成像
  • 32 篇 antioxidant
  • 30 篇 prevalence
  • 29 篇 cirrhosis
  • 28 篇 mechanical prope...
  • 28 篇 dna
  • 27 篇 凋亡
  • 27 篇 diabetes
  • 27 篇 management
  • 25 篇 危险因素
  • 25 篇 生长性能

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

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
  • 85 篇 v.i.belousov
  • 85 篇 v.burkert
  • 82 篇 y.hayato
  • 82 篇 a.v.gritsan
  • 78 篇 a.gurtu
  • 78 篇 m.carena
  • 77 篇 a.masoni
  • 73 篇 s.rolli
  • 73 篇 a.d.martin
  • 73 篇 s.r.klein
  • 72 篇 b.heltsley
  • 72 篇 d.h.weinberg
  • 71 篇 哈春芳
  • 71 篇 u.f.katz
  • 68 篇 m.titov

语言

  • 8,194 篇 中文
  • 7,499 篇 英文
  • 1 篇 其他
检索条件"作者=HA P B"
15694 条 记 录,以下是11-20 订阅
排序:
performance and Safety Improvement of Induction Motors based on Testing and Evaluation Standards
收藏 引用
CES Transactions on Electrical Machines and Systems 2024年 第3期8卷 310-318页
作者: Nkosinathi S.Khumalo Ntombizotwa p.Memane Udochukwu b.Akuru Department of Electrical Engineering Tshwane University of TechnologyPretoria 0183South Africa
The induction motor,which converts electrical energy into mechanical energy,has been recognized as the cornerstone of *** rotor of an induction motor can be either a squirrel cage rotor or a wound-type rotor,both exis... 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
Dry eye rate and its relationship with disease stage in patients with primary hypertension:a cross-sectional study in Vietnam
收藏 引用
International Journal of Ophthalmology(English edition) 2024年 第4期17卷 653-658页
作者: Tran Tat Thang pham Hong phuong Nguyen Sa Huynh Nguyen Trung Kien NguyenDuy Toan Nguyen Thi Thu ha Le ha Khoa Nguyen Huu Dung Thai Doan Thang Le Viet Thang Nghe An Eye Hospital Nghe An 43000Vietnam Nghe An Friendship General Hospital Nghe An 43000Vietnam Military Hospital 103 Ha Noi 100000Vietnam Vietnam Military Medical University Ha Noi 100000Vietnam hanoi Medical University Ha Noi 100000Vietnam bạch Mai Hospital Ha Noi 100000Vietnam TTH Vinh General Hospital Nghe An 100000Vietnam
AIM:To determine the dry eye(DE)rate and its relationship with disease stage in patients with primary ***:A cross-sectional study included 432 patients with primary hypertension(with an equal number of patients in eac... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Temperature and structure measurements of heavy-ion-heated diamond using in situ X-ray diagnostics
收藏 引用
Matter and Radiation at Extremes 2024年 第4期9卷 80-89页
作者: J.Lutgert p.Hesselbach M.Schorner V.bagnoud R.belikov p.Drechsel b.Heuser O.SHumphries p.Katrik b.Lindqvist C.Qu R.Redmer D.Riley G.Schaumann S.Schumacher A.Tauschwitz D.Varentsov K.Weyrich X.Yu b.Zielbauer Zs.Major p.Neumayer D.Kraus Institut fur physik Universitat RostockAlbert-Einstein-Str.2318059 RostockGermany GSI Helmholtzzentrum fur Schwerionenforschung Planckstr.164291 DarmstadtGermany Institut für Angewandte physik Goethe-Universität Frankfurt am MainMax-von-Laue-Str.160438 Frankfurt am MainGermany Institut fur Geowissenschaften Goethe-Universitat Frankfurt am MainAltenhoferallee 160438 Frankfurt am MainGermany Helmholtz-Zentrum Dresden-Rossendorf Bautzner Landstr.40001328 DresdenGermany European XFEL GmbH Holzkoppel 422869 SchenefeldGermany Centre for plasma physics School of Mathematics and PhysicsQueen’s University BelfastUniversity RoadBelfast BT71NNUnited Kingdom Institut für Kernphysik Technische Universität DarmstadtSchlossgartenstr.964289 DarmstadtGermany State Key Laboratory of Nuclear physics and Technology Institute of Heavy Ion PhysicsPeking UniversityBeijing 100871China Helmholtz Institut Jena Frobelstieg 307743 JenaGermany
We present in situ measurements of spectrally resolved X-ray scattering and X-ray diffraction from monocrystalline diamond samples heatedwith an intense pulse of heavy *** this way,we determine the samples’heating dy... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Asiaticoside ameliorates type 2 diabetes mellitus in rats by modulating carbohydrate metabolism and regulating insulin signaling
收藏 引用
Asian pacific Journal of Tropical biomedicine 2024年 第9期14卷 401-409页
作者: b.prathap V.Satyanarayanan K.Duraipandian p.Subashree Department of pharmacology Karpaga Vinayaga Institute of Medical Sciences and Research CenterMaduranthakam 603308Tamil NaduIndia Department of pharmacology SRM Medical College Hospital and Research CenterKattankulathur 603211Tamil NaduIndia Department of Anatomy Karpaga Vinayaga Institute of Medical Sciences and Research CenterMaduranthakam 603308Tamil NaduIndia Department of Ophthalmology Karpaga Vinayaga Institute of Medical Sciences and Research CenterMaduranthakam 603308Tamil NaduIndia
Objective:To evaluate the effect of asiaticoside on streptozotocin(STZ)and nicotinamide(NAD)-induced carbohydrate metabolism abnormalities and deregulated insulin signaling pathways in ***:Asiaticoside(50 and 100 mg/k... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Long-term outcome of stem cell transplantation with and without anti-tumor necrotic factor therapy in perianal fistula with Crohn’s disease
收藏 引用
World Journal of Stem Cells 2024年 第3期16卷 257-266页
作者: Min Young park Yong Sik Yoon Jae ha park Jong Lyul Lee Chang Sik Yu Division of Colon and Rectal Surgery Department of SurgeryYonsei University College of MedicineSeoul 03722South Korea Division of Colon and Rectal Surgery Department of SurgeryUniversity of Ulsan College of MedicineAsan Medical CenterSeoul 05505South Korea
bACKGROUND Stem cell transplantation is a promising therapeutic option for curing perianal fistula in Crohn’s disease(CD).Anti-tumor necrotic factor(TNF)therapy combined with drainage procedure is effective as ***,pr... 详细信息
来源: 维普期刊数据库 维普期刊数据库 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 José p.b.Silva břetislav Šmíd Vladimir Matoín Cosmin M.Istrate Corneliu Ghica Judith L.MacManus-Driscoll Luís Marques physics Center of Minho and porto Universities(CF-UM-Up) University of MinhoCampus de Gualtar 4710-057Braga Portugal Laboratory of physics for Materials and Emergent Technologies LapMETUniversity of Minho4710-057Braga Portugal Department of Surface and plasma Science Faculty of Mathematics and PhysicsCharles UniversityV Holešovičkách 218000Prague 8 Czech Republic National Institute of Materials physics 105 bis Atomistilor 077125Magurele Romania Department of Materials Science and Metallurgy 27 Charles Babbage Rd.Cambridge CB3 OFSUK
Rhombohedral phase Hf_(x)Zr_(1.x)O_(2)(HZO,x from 0 to 1)films are promising for achieving robust ferroelectric polarization without the need for an initial wake-up pre-cycling,as is normally the case 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
Exploring one material for dual applications:A red-emitting Mg2GeO4:Eu3+ nanophosphor for future generation energy efficient WLEDs and dosimetric applications
收藏 引用
Journal of Rare Earths 2024年 第10期42卷 1835-1845页
作者: Akshay Arjun G.p.Darshan S.C.Sharma H.Nagabhushana D.V.Sunitha H.b.premkumar Department of physics Faculty of Mathematical and Physical SciencesM.S.Ramaiah University of Applied Sciences Jain University C.N.R.Rao Centre for Advanced Materials Tumkur University School of Applied Sciences (physics) REVA University
The envisaged design and developme nt of individual mate rials to excavate a broader spectrum of desired properties and offer multiple applications are highly *** this in mind,a series of forsterite-structured Mg2GeO4... 详细信息
来源: 同方期刊数据库 同方期刊数据库 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
Short- and long-term outcomes of surgical treatment in patients with intestinal behcet’s disease
收藏 引用
World Journal of Gastrointestinal Surgery 2024年 第2期16卷 429-437页
作者: Min Young park Yong Sik Yoon Jae ha park Jong Lyul Lee Chang Sik Yu Division of Colon and Rectal Surgery Department of SurgeryYonsei University College of MedicineSeoul 03722South Korea Division of Colon and Rectal Surgery Department of SurgeryUniversity of Ulsan College of MedicineAsan Medical CenterSeoul 05505South Korea
bACKGROUND behcet’s disease(bD),a chronic vasculitic disorder affecting multiple organs,is characterized by recurrent oral and genital ulcers,arthritis,vasculitis,and intes-tinal *** intestinal involvement of bD is c... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Electron kinetic effects in back-stimulated Raman scattering bursts driven by broadband laser pulses
收藏 引用
Matter and Radiation at Extremes 2024年 第4期9卷 54-67页
作者: Q.K.Liu L.Deng Q.Wang X.Zhang F.Q.Meng Y.p.Wang Y.Q.Gao H.b.Cai S.p.Zhu Graduate School China Academy of Engineering PhysicsBeijing 100088China Institute of Applied physics and Computational Mathematics Beijing 100094China School of Nuclear Science and Technology University of Science and Technology of ChinaHefei 230026China Shanghai Institute of Laser plasma Shanghai 201800China HEDpS Center for Applied Physics and TechnologyPeking UniversityBeijing 100871China School of physics Zhejiang UniversityHangzhou 310027China
We examine electron kinetic effects in broadband-laser-driven back-stimulated Raman scattering(bSRS)bursts using particle-in-cell *** bursts occur during the nonlinear stage,causing reflectivity spikes and generating ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论