咨询与建议

限定检索结果

文献类型

  • 99,268 篇 期刊文献
  • 6,935 篇 会议
  • 3,249 册 图书
  • 133 篇 学位论文
  • 17 篇 报纸

馆藏范围

  • 108,112 篇 电子文献
  • 1,547 种 纸本馆藏

日期分布

学科分类号

  • 42,507 篇 医学
    • 34,728 篇 临床医学
    • 4,831 篇 医学技术(可授医学...
    • 4,581 篇 基础医学(可授医学...
    • 3,277 篇 公共卫生与预防医...
    • 3,138 篇 中西医结合
    • 2,340 篇 药学(可授医学、理...
  • 41,109 篇 工学
    • 10,598 篇 材料科学与工程(可...
    • 6,032 篇 化学工程与技术
    • 5,057 篇 生物医学工程(可授...
    • 4,343 篇 机械工程
    • 4,231 篇 计算机科学与技术...
    • 3,913 篇 电子科学与技术(可...
    • 3,144 篇 力学(可授工学、理...
    • 3,016 篇 电气工程
    • 2,969 篇 动力工程及工程热...
    • 2,797 篇 地质资源与地质工...
    • 2,735 篇 环境科学与工程(可...
    • 2,389 篇 冶金工程
    • 2,282 篇 水利工程
    • 2,229 篇 控制科学与工程
  • 27,159 篇 理学
    • 7,468 篇 化学
    • 7,363 篇 物理学
    • 5,757 篇 生物学
    • 4,577 篇 数学
    • 2,669 篇 地质学
    • 2,407 篇 地球物理学
    • 2,311 篇 天文学
  • 8,972 篇 农学
    • 3,024 篇 作物学
  • 5,218 篇 管理学
    • 2,252 篇 管理科学与工程(可...
  • 3,410 篇 经济学
    • 2,899 篇 应用经济学
  • 3,035 篇 教育学
  • 3,021 篇 法学
  • 1,797 篇 文学
  • 706 篇 艺术学
  • 622 篇 历史学
  • 502 篇 哲学
  • 190 篇 军事学

主题

  • 881 篇 ct
  • 866 篇 治疗
  • 756 篇 mri
  • 575 篇 病人
  • 553 篇 诊断
  • 523 篇 of
  • 491 篇 患者
  • 450 篇 美国
  • 431 篇 儿童
  • 411 篇 and
  • 399 篇 mr
  • 375 篇 中国
  • 272 篇 cancer
  • 215 篇 analysis
  • 160 篇 model
  • 156 篇 treatment
  • 156 篇 energy
  • 153 篇 microstructure
  • 153 篇 disease
  • 143 篇 北美洲

机构

  • 223 篇 中国人民公安大学
  • 202 篇 北京大学
  • 170 篇 四川省人民医院
  • 163 篇 上海第二医科大学...
  • 131 篇 中国人民大学
  • 125 篇 清华大学
  • 99 篇 内蒙古师范大学
  • 89 篇 华中科技大学
  • 82 篇 香港理工大学
  • 80 篇 上海市第一人民医...
  • 78 篇 上海交通大学
  • 77 篇 四川大学
  • 73 篇 浙江省人民医院
  • 73 篇 南京大学
  • 68 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...
  • 66 篇 national researc...

作者

  • 237 篇 叶鹏
  • 113 篇 china
  • 105 篇 刘莉
  • 85 篇 h.murayama
  • 85 篇 j.d.jackson
  • 85 篇 g.d'ambrosio
  • 84 篇 m.white
  • 79 篇 郭俊
  • 64 篇 朱国栋
  • 60 篇 mohamed s. el na...
  • 59 篇 唐光健
  • 47 篇 p.de jong
  • 44 篇 王铮
  • 42 篇 李长根
  • 42 篇 general administ...
  • 40 篇 people’s bank of...
  • 34 篇 郭战宏
  • 33 篇 崔荣
  • 32 篇 陈瑜
  • 31 篇 刘青

语言

  • 66,495 篇 中文
  • 43,061 篇 英文
  • 21 篇 其他
  • 2 篇 法文
  • 1 篇 德文
  • 1 篇 日文
检索条件"作者=S.Sah.o"
109602 条 记 录,以下是1-10 订阅
排序:
Enhancing corrosion resistance of plasma electrolytic oxidation coatings on AM50 Mg alloy by inhibitor containing Ba(No_(3))_(2) solutions
收藏 引用
International Journal of Minerals,Metallurgy and Materials 2024年 第9期31卷 2048-2061页
作者: Jirui Ma Xiaopeng Lu santosh Prasad sah Qianqian Chen You Zhang Fuhui Wang Corrosion and Protection Center Northeastern UniversityShenyang110819China Faculty of Engineering Hokkaido UniversityHokkaido 060-8628Japan College of New Materials and Chemical Engineering Beijing Institute of Petrochemical TechnologyBeijing 102617China
To enhance the long-term corrosion resistance of the plasma electrolytic oxidation(PEo)coating on the magnesium(Mg)alloy,an inorganic salt combined with corrosion inhibitors was used for posttreatment of the *** this ... 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
Advances in Zika virus vaccines and therapeutics:A systematic review
收藏 引用
Asian Pacific Journal of Tropical Medicine 2024年 第3期17卷 97-109页
作者: shiza Malik Khalid Muhammad omar Ahsan Muhammad Tahir Khan Ranjit sah Yasir Waheed Bridging Health Foundation Rawalpindi 46000Pakistan Department of Biology College of SciencesUAE University15551Al AinUnited Arab Emirates Department of Medicine Foundation University Medical CollegeFoundation University IslamabadIslamabad 44000Pakistan INTI International University Persiaran Perdana BBN Putra Nilai71800 NilaiNegeri SembilanMalaysia Institute of Molecular Biology and Biotechnology the University of LahoreKM Defence RoadLahore 58810Pakistan Zhongjing Research and Industrialization Institute of Chinese Medicine Zhongguancun Scientific ParkNanyang 473006China Department of Microbiology Tribhuvan University Teaching HospitalInstitute of MedicineKathmandu 44600Nepal Department of Microbiology Dr.D.Y.Patil Medical CollegeHospital and Research CentreDr.D.Y.Patil VidyapeethPune 411018MaharashtraIndia Department of Public Health Dentistry Dr.D.Y.Patil Dental College and HospitalDr.D.Y.Patil VidyapeethPune 411018MaharashtraIndia Gilbert and Rose-Marie Chagoury school of Medicine Lebanese American UniversityByblos 1401Lebanon
Zika virus(ZIKV)is the causative agent of a viral infection that causes neurological complications in newborns and adults *** wide transmission route and alarming spread rates are of great concern to the scientific **... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Intrusion Detection system Using Classification Algorithms with Feature selection Mechanism over Real-Time Data Traffic
收藏 引用
China Communications 2024年 第9期 292-320页
作者: Gulab sah sweety singh subhasish Banerjee Computer science and Engineering National Institute of Technology Arunachal Pradesh
The key objective of intrusion detection systems(IDs) is to protect the particular host or network by investigating and predicting the network traffic as an attack or *** IDs uses many methods of machine learning(ML) ...
来源: 同方期刊数据库 同方期刊数据库 评论
Rice Heat Tolerance Breeding: A Comprehensive Review and Forward Gaze
收藏 引用
Rice science 2024年 第4期31卷 375-400,I0022页
作者: Ravindran Lalithambika VIsAKH sreekumar ANAND sukumaran Nair ARYA Behera sAsMITA Uday Chand JHA Rameswar Prasad sah Radha BEENA Department of Genetics and Plant Breeding College of AgricultureVellayaniKerala Agricultural UniversityThiruvananthapuramKerala 695522India Crop Improvement Division Indian Council of Agricultural Research-National Rice Research InstituteCuttackOdisha 7530006India Department of Plant Breeding and Genetics Indian Institute of Pulse ResearchKanpur 208024India Department of Plant Physiology College of AgricultureVellayaniKerala Agricultural UniversityThiruvananthapuramKerala 695522India
The yield potential of rice is seriously affected by heat stress due to climate change. since rice is a staple food globally, it is imperative to develop heat-resistant rice varieties. Thus, a thorough understanding o... 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 review on the scale-up of high-shear wet granulation processes and the impact of process parameters
收藏 引用
Particuology 2024年 第9期92卷 180-195页
作者: Ana Rita Alves Marta Filipe simões sérgio simões João Gomes University of Coimbra CERESDepartment of Chemical EngineeringFaculty of Sciences and TechnologyRua Sílvio Lima3030-790CoimbraPortugal Bluepharma-Indústria Farmacêutica São Martinho do BispoCoimbra3045-016Portugal Faculty of Pharmacy University of CoimbraAzinhaga de Santa Comba3000-548CoimbraPortugal
Wet granulation is one of the most important agglomeration processes,and high-shear granulation(HsG)one of the most employed technologies in the pharmaceutical *** most critical process parameters of HsG are discussed... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Myelin histology:a key tool in nervous system research
收藏 引用
Neural Regeneration Research 2024年 第2期19卷 277-281页
作者: Óscar Darío García-García Víctor Carriel Jesús Chato-Astrain Department of Histology Tissue Engineering GroupUniversity of Granada&Instituto de Investigación Biosanitaria ibs.GRANADAGranadaSpain
The myelin sheath is a lipoprotein-rich,multilayered structure capable of increasing conduction velocity in central and peripheral myelinated nerve *** to the complex structure and composition of myelin,various histol... 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
Collective coherent emission of electrons in strong laser fields and perspective for hard x-ray lasers
收藏 引用
Matter and Radiation at Extremes 2024年 第2期9卷 1-3页
作者: E.G.Gelfer A.M.Fedotov o.Klimo s.Weber Extreme Light Infrastructure ERIC ELI Beamlines Facility25241 Dolní BřežanyCzech Republic HiLAsE Centre Institute of Physics of the Czech Academy of Sciences25241 Dolní BřežanyCzech Republic National Research Nuclear University MEPhI Moscow 115409Russia FNsPE Czech Technical University in Prague11519 PragueCzech Republic
Coherent motion of particles in a plasma can imprint itself on *** recent advent of high-power lasers—allowing the nonlinear inverse Compton-scattering regime to be reached—has opened the possibility of looking at c... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Hydrochar and synthetic natural gas co-production for a full circular economy implementation via hydrothermal carbonization and methanation:An economic approach
收藏 引用
Journal of Environmental sciences 2024年 第6期140卷 69-78页
作者: Judith González-Arias Guillermo Torres-sempere Miriam González-Castaño Francisco MBaena-Moreno Tos RReina Inorganic Chemistry Department and Materials sciences Institute University of Seville-CSICSevilleSpain Materials sciences Institute(ICMsE) CSIC-University of SevilleSevilleSpain Department of Chemistry and Chemical Engineering Chalmers University of TechnologyGothenburgSE 41296Sweden
Herein we study the economic performance of hydrochar and synthetic natural gas coproduction from olive tree *** process entails a combination of hydrothermal carbonization and *** a previous work,we evidenced that st... 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
Rotating effects on the photoionization cross-section of a 2D quantum ring
收藏 引用
Communications in Theoretical Physics 2024年 第10期 153-159页
作者: Carlos Magno o Pereira Frankbelson dos s Azevedo Luís Fernando C Pereira Edilberto o silva Departamento de Física Universidade Federal do Maranh?o
In this article, we investigate the nonrelativistic quantum motion of a charged particle within a rotating frame, taking into account the Aharonov–Bohm(AB) effect and a uniform magnetic field. our analysis entails th...
来源: 同方期刊数据库 同方期刊数据库 评论
Effect of radiative loss mechanisms on FIR thermometric parameters of Nd^(3+)-doped lithium tellurite glasses
收藏 引用
Journal of Rare Earths 2024年 第7期42卷 1250-1257,I0002页
作者: C.Y.Morassuti A.P.L silva L.A.o.Nunes s.M.Lima L.H.C.Andrade optical and Photothermal spectroscopy Group(GEoF) Center for Studies in Natural Resources(CERNA)State University of Mato Grosso do Sul(UEMS)C.P.351DouradosMSBrazil Renato Archer Information Technology Center Dom Pedro I Highway(SP-65)Km 1436-Chácaras Campos dos AmaraisCampinasSPBrazil Institute of Physics of são Carlos University of São PauloSão CarlosSPBrazil
Nd^(3+)-doped tellurite glasses are promising materials for thermometers based on the fluorescence intensity ratio(FIR)***,at high Nd^(3+)concentrations,energy transfer(ET)processes such as optical reabsorption and cr... 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 同方期刊数据库 同方期刊数据库 评论