咨询与建议

限定检索结果

文献类型

  • 24,064 篇 期刊文献
  • 1,610 篇 会议
  • 1 篇 学位论文

馆藏范围

  • 25,675 篇 电子文献
  • 0 种 纸本馆藏

日期分布

学科分类号

  • 10,833 篇 医学
    • 8,442 篇 临床医学
    • 1,061 篇 中西医结合
    • 1,024 篇 医学技术(可授医学...
    • 893 篇 基础医学(可授医学...
    • 812 篇 药学(可授医学、理...
    • 442 篇 公共卫生与预防医...
    • 379 篇 中药学(可授医学、...
  • 9,091 篇 工学
    • 2,869 篇 化学工程与技术
    • 1,880 篇 材料科学与工程(可...
    • 952 篇 生物医学工程(可授...
    • 739 篇 电子科学与技术(可...
    • 513 篇 计算机科学与技术...
    • 390 篇 机械工程
    • 323 篇 力学(可授工学、理...
    • 323 篇 光学工程
    • 318 篇 仪器科学与技术
    • 297 篇 动力工程及工程热...
    • 276 篇 环境科学与工程(可...
    • 263 篇 控制科学与工程
    • 249 篇 核科学与技术
  • 8,428 篇 理学
    • 2,770 篇 化学
    • 2,271 篇 数学
    • 1,125 篇 物理学
    • 1,074 篇 生物学
    • 321 篇 地质学
    • 253 篇 生态学
  • 1,634 篇 农学
    • 489 篇 作物学
    • 375 篇 农业资源与环境
  • 435 篇 管理学
    • 265 篇 管理科学与工程(可...
  • 409 篇 经济学
    • 396 篇 应用经济学
  • 352 篇 教育学
  • 104 篇 文学
  • 84 篇 法学
  • 35 篇 哲学
  • 33 篇 历史学
  • 33 篇 军事学
  • 31 篇 艺术学

主题

  • 133 篇 ct
  • 129 篇 mri
  • 96 篇 患者
  • 76 篇 analysis
  • 74 篇 diabetes
  • 70 篇 合成
  • 63 篇 配合物
  • 61 篇 核型
  • 58 篇 deep learning
  • 55 篇 acid
  • 54 篇 and
  • 51 篇 crystal
  • 47 篇 health
  • 47 篇 of
  • 46 篇 prevalence
  • 45 篇 磁共振成像
  • 43 篇 survival
  • 40 篇 phylogeny
  • 40 篇 大鼠
  • 39 篇 cancer

机构

  • 256 篇 北京大学
  • 149 篇 南京大学
  • 107 篇 吉林大学
  • 84 篇 武汉大学
  • 82 篇 复旦大学
  • 80 篇 厦门大学
  • 79 篇 同济大学
  • 76 篇 山东大学
  • 75 篇 南开大学
  • 68 篇 department of ph...
  • 67 篇 university of mi...
  • 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...

作者

  • 85 篇 v.i.belousov
  • 84 篇 h.murayama
  • 84 篇 j.d.jackson
  • 84 篇 g.d'ambrosio
  • 84 篇 m.white
  • 84 篇 p.de jong
  • 82 篇 v.burkert
  • 79 篇 y.hayato
  • 79 篇 a.v.gritsan
  • 73 篇 a.gurtu
  • 73 篇 m.carena
  • 70 篇 a.masoni
  • 63 篇 kavli ipmu
  • 63 篇 s.rolli
  • 62 篇 l.pape
  • 59 篇 a.d.martin
  • 58 篇 b.heltsley
  • 50 篇 s.r.klein
  • 50 篇 d.h.weinberg
  • 50 篇 u.f.katz

语言

  • 13,434 篇 英文
  • 12,240 篇 中文
  • 1 篇 法文
检索条件"作者=4 Department of Geography,university of Calgary,Calgary,Alberta T2N 1N4,Canada"
25675 条 记 录,以下是121-130 订阅
排序:
thermal analysis of the Rindler-Schwarzschild black hole via corrected entropy
收藏 引用
Communications in theoretical Physics 2024年 第9期76卷 95-106页
作者: Allah Ditta Xia tiecheng Riasat Ali AliÖvgün department of Mathematics Shanghai University and Newtouch Center for Mathematics of Shanghai UniversityShanghai200444China Physics department Eastern Mediterranean UniversityFamagusta99628 North Cyprus via Mersin 10Turkiye
In this study,we investigate the thermodynamic characteristics of the Rindler–Schwarzschild black hole *** analysis encompasses the examination of energy emission,Gibbs free energy,and thermal *** calculate various q... 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
typhoid fever presenting as neuropsychiatric oddities:A case report
收藏 引用
Asian Pacific Journal of tropical Medicine 2024年 第6期17卷 281-284页
作者: Prashant Badole Jivtesh Singh Preetam n Wasnik Rohini Rokkam department of General Medicine All India Institute of Medical SciencesRaipur 492099India
Rationale:Salmonella is a common etiological agent behind the tropical fever syndrome in the Indian *** prevalence in India remains high due to a lack of proper sanitation services in large parts of the *** neuropsych... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Critical considerations for the management of acute abdomen in transplant patients
收藏 引用
World Journal of transplantation 2024年 第2期14卷 8-12页
作者: Efstathios t Pavlidis Georgios Katsanos Athanasios Kofinas Georgios tsoulfas Ioannis n Galanis theodoros E Pavlidis the 2^(nd)department of Propaedeutic Surgery Hippokration General HospitalSchool of MedicineAristotle University of ThessalonikiThessaloniki 54642Greece department of transplantation Surgery Center for Research and Innovation in Solid Organ TransplantationAristotle University of ThessalonikiSchool of MedicineThessaloniki 54642Greece
the number of solid organ transplantations performed annually is increasing and are increasing in the following order:Kidney,liver,heart,lung,pancreas,small bowel,and uterine ***,the outcomes of transplants are impro-... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Evaluating the role of herg potassium-channel protein in the development of heart and vasculature
收藏 引用
岭南心血管病杂志 2011年 第S1期17卷 26-27页
作者: Guoqi teng (Libin Cardiovascular Institute of alberta,university of calgary,canada)
the role of human ether a-go-go related gene(hERG) in electrically excitable cells has long been *** currents IKr contribute to the re-polarisation phase 3 of the cardiac action potential. Mutations of this channel ca... 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
tuning structural,electrical,dielectric and magnetic properties of Mg-Cu-Co ferrites via dysprosium(Dy^(3+))doping
收藏 引用
Journal of Rare Earths 2024年 第1期42卷 137-146,I0005页
作者: Maria Akhtar M.S.Hasan nasir Amin n.A.Morley Muhammad Imran Arshad department of Physics Government College UniversityFaisalabad38000Pakistan department of Physics The University of Lahore53700Pakistan department of Materials Science and Engineering The University of SheffieldS13JDUK department of Physics&Astronomy University College LondonUK
In current research work,Dy3+substituted Mg0.5Cu0.25Co0.25Fe2-xDyxO4(0.0≤x≤0.04 with the step interval of 0.01)soft ferrites were synthesized by the sol-gel auto combustion *** prepared samples were characterized 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
Formation of bulk ferromagnetic nanostructured Fe_(40)ni_(40)P_(14)B_6 alloys by metastable liquid spinodal decomposition
收藏 引用
Science China(technological Sciences) 2009年 第7期52卷 1919-1922页
作者: LI Qiang1,2 1 School of Physics Science and technology, Xinjiang university, Urumqi 830046, China 2 department of Physics, the Chinese university of HongKong, Shatin n.t., HongKong, China School of Physics Science and technology Xinjiang University Urumqi 830046 China department of Physics The Chinese University of HongKong Shatin N.T. HongKong China
nanostructured Fe40ni40P14B6 alloy ingots of 3―5 mm in diameter could be synthesized by a metastable liquid state spinodal decomposition method. For undercooling t> 260 K, the microstructure of the undercooled specim... 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
An intelligent active probing and trace-back scheme for Iot anomaly detection
收藏 引用
Digital Communications and networks 2024年 第1期10卷 168-181页
作者: Luying Wang Lingyi Chen neal n.Xiong Anfeng Liu tian Wang Mianxiong Dong School of Computer Science and Engineering Central South UniversityChangsha 410083China department of Computer Science and Mathematics Sul Ross State UniversityAlpineTX 79830USA Artificial Intelligence and Future networks Beijing Normal University&UICZhuhai 519087China department of Information and Electronic Engineering Muroran Institute of TechnologyMuroran 050-8585Japan
Due to their simple hardware,sensor nodes in Iot are vulnerable to attack,leading to data routing blockages or malicious tampering,which significantly disrupts secure data *** Intelligent Active Probing and trace-back... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Stability Analysis of DC Microgrid Clusters Based on Step-by-step System Matrix Building Algorithm
收藏 引用
Journal of Modern Power Systems and Clean Energy 2024年 第3期12卷 900-912页
作者: K.Jithin n.Mayadevi R.Hari Kumar V.P.Mini the department of Electrical Engineering College of Engineering TrivandrumAPJ Abdul Kalam Technological University(APJAKTU)ThiruvananthapuramIndia
DC microgrids(DCMGs)are made up of a network of sources and loads that are connected by a number of power electronic converters(PECs).the increase in the number of these PECs instigates major concerns in system *** in... 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
β-delayed proton decays near the proton drip line
收藏 引用
Science China(Physics,Mechanics & Astronomy) 2005年 第3期48卷 257-267页
作者: XU Shuwei 1 , LI Zhankui 1 , XIE Yuanxiang 1 , HUAnG Wenxue 1 , SHU nengchuan 2 , CHEn Yongshou 2 , XU Furong 3 , WAnG Kun 4 , PAn Qiangyan 1 , WAnG Xudong 1 , YU Yong 1 & XInG Yebing 1 1. Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China 2. nuclear Physics department, China Institute of Atomic Energy, Beijing 102413, China 3. department of technical Physics, Peking university, Beijing 100871, China 4. Shanghai Institute for nuclear Research, Shanghai 201800, China 1. Institute of Modern Physics Chinese Academy of Sciences 730000 Lanzhou China 2. nuclear Physics department China Institute of Atomic Energy 102413 Beijing China 3. department of technical Physics Peking University 100871 Beijing China 4. Shanghai Institute for nuclear Research 201800 Shanghai China
We briefly reviewed the experimental study on a-delayed proton decays near the proton drip line published by our group during the period of 1996―2004, namely the first observation of the a-delayed proton decays of 9 ... 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
Automatic area estimation of algal blooms in water bodies from UAV images using texture analysis
收藏 引用
Water Science and Engineering 2024年 第1期17卷 62-71页
作者: Ajmeria Rahul Gundu Lokesh Siddhartha Goswami R.n.Ponnalagu Radhika Sudha department of Electrical and Electronics Engineering Birla Institute of Technology&SciencePilani Hyderabad CampusTelangana 500078India
Algal blooms,the spread of algae on the surface of water bodies,have adverse effects not only on aquatic ecosystems but also on human *** adverse effects of harmful algal blooms(HABs)necessitate a convenient solution ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论