咨询与建议

限定检索结果

文献类型

  • 98,059 篇 期刊文献
  • 6,676 篇 会议
  • 3,328 册 图书
  • 107 篇 学位论文
  • 23 篇 报纸

馆藏范围

  • 106,643 篇 电子文献
  • 1,609 种 纸本馆藏

日期分布

学科分类号

  • 40,951 篇 医学
    • 32,753 篇 临床医学
    • 4,572 篇 医学技术(可授医学...
    • 3,139 篇 基础医学(可授医学...
    • 3,064 篇 中西医结合
    • 2,386 篇 公共卫生与预防医...
    • 2,002 篇 药学(可授医学、理...
  • 37,197 篇 工学
    • 7,450 篇 材料科学与工程(可...
    • 4,580 篇 化学工程与技术
    • 4,046 篇 生物医学工程(可授...
    • 2,879 篇 电子科学与技术(可...
    • 2,464 篇 计算机科学与技术...
    • 2,364 篇 机械工程
    • 1,710 篇 动力工程及工程热...
    • 1,618 篇 地质资源与地质工...
    • 1,600 篇 仪器科学与技术
    • 1,317 篇 光学工程
    • 1,278 篇 电气工程
    • 1,267 篇 力学(可授工学、理...
  • 18,958 篇 理学
    • 3,555 篇 化学
    • 3,530 篇 物理学
    • 3,310 篇 数学
    • 2,607 篇 生物学
    • 1,764 篇 地质学
  • 7,976 篇 农学
    • 1,948 篇 作物学
    • 1,470 篇 畜牧学
    • 1,324 篇 农业资源与环境
  • 4,717 篇 管理学
    • 2,095 篇 管理科学与工程(可...
    • 1,443 篇 公共管理
  • 3,240 篇 经济学
    • 2,720 篇 应用经济学
  • 2,508 篇 教育学
    • 1,660 篇 教育学
  • 2,199 篇 法学
  • 1,613 篇 文学
  • 592 篇 历史学
  • 571 篇 艺术学
  • 480 篇 哲学
  • 177 篇 军事学

主题

  • 905 篇 ct
  • 857 篇 治疗
  • 776 篇 mri
  • 618 篇 of
  • 595 篇 病人
  • 529 篇 诊断
  • 506 篇 患者
  • 451 篇 美国
  • 443 篇 儿童
  • 398 篇 mr
  • 383 篇 and
  • 323 篇 中国
  • 279 篇 cancer
  • 212 篇 analysis
  • 200 篇 印度
  • 164 篇 disease
  • 162 篇 microstructure
  • 158 篇 energy
  • 151 篇 应用
  • 148 篇 in

机构

  • 176 篇 北京大学
  • 170 篇 四川省人民医院
  • 162 篇 上海第二医科大学...
  • 112 篇 中国人民大学
  • 112 篇 清华大学
  • 104 篇 中国人民公安大学
  • 86 篇 华中科技大学
  • 80 篇 上海市第一人民医...
  • 77 篇 香港理工大学
  • 75 篇 上海交通大学
  • 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...
  • 66 篇 institut fur the...
  • 66 篇 dept.of physics ...
  • 63 篇 compas group ins...
  • 63 篇 rudolf peierls c...

作者

  • 244 篇 叶鹏
  • 93 篇 刘莉
  • 85 篇 h.murayama
  • 85 篇 j.d.jackson
  • 85 篇 g.d'ambrosio
  • 84 篇 m.white
  • 80 篇 郭俊
  • 71 篇 朱国栋
  • 61 篇 china
  • 60 篇 mohamed s. el na...
  • 53 篇 唐光健
  • 47 篇 p.de jong
  • 44 篇 王铮
  • 43 篇 李长根
  • 40 篇 people’s bank of...
  • 37 篇 general administ...
  • 36 篇 郭战宏
  • 33 篇 陈瑜
  • 33 篇 余英豪
  • 33 篇 robert b. raffa

语言

  • 67,118 篇 中文
  • 41,061 篇 英文
  • 2 篇 法文
  • 1 篇 日文
检索条件"作者=s.v.Eckardstein"
108193 条 记 录,以下是61-70 订阅
排序:
Increasingβ-hexosaminidase A activity using genetically modified mesenchymal stem cells
收藏 引用
Neural Regeneration Research 2024年 第1期19卷 212-219页
作者: Alisa A.shaimardanova Daria s.Chulpanova valeriya v.solovуeva shaza s.Issa Aysilu I.Mullagulova Angelina A.Titova Yana O.Mukhamedshina Anna v.Timofeeva Alexander M.Aimaletdinov Islam R.Nigmetzyanov Albert A.Rizvanov Institute of Fundamental Medicine and Biology Kazan Federal UniversityKazanRussia Department of Histology Cytology and EmbryologyKazan State Medical UniversityKazanRussia
GM2 gangliosidoses are a group of autosomal-recessive lysosomal storage disorde *** diseases result from a deficiency of lysosomal enzymeβ-hexosaminidase A(HexA),which is responsible for GM2 ganglioside *** deficienc... 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
Parasites of the liver:A global problem?
收藏 引用
World Journal of Gastroenterology 2024年 第30期30卷 3554-3559页
作者: vladislav v Tsukanov Alexander v vasyutin Julia L Tonkikh Clinical Department of the Digestive system Pathology of Adults and Children Federal Research Center“Krasnoyarsk Science Center”of the Siberian Branch of the Russian Academy of SciencesScientific Research Institute of Medical Problems of the NorthKrasnoyarsk 660022Russia
Parasitic liver diseases can be caused by trematodes,cestodes,nematodes,and *** pathology is significant because millions of people in different parts of the world have liver parasites,which can manifest themselves in... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Measurement of yields and angular distributions ofγ-quanta from the interaction of 14.1 Mev neutrons with oxygen,phosphorus,and sulfur
收藏 引用
Chinese Physics C 2024年 第3期48卷 79-92页
作者: D.N.Grozdanov N.A.Fedorov s.B.Dabylova Yu.N.Kopatch I.N.Ruskov v.R.skoy T.Yu.Tretyakova C.Hramco P.I.Kharlamov G.v.Pampushik P.G.Filonchik A.v.Andreev Joint Institute for Nuclear Research(JINR) DubnaRussia Institute for Nuclear Research and Nuclear Energy Bulgarian Academy of SciencesSofiaBulgaria Faculty of Physics Lomonosov Moscow State UniversityMoscowRussia L.N.Gumilyov Eurasian National University AstanaKazakhstan skobeltsyn Institute of Nuclear Physics Moscow State UniversityMoscowRussia Institute of Chemistry of Moldova ChisinauRepublic of Moldova Moscow Institute of Physics and Technology MoscowRussia
A study of the inelastic scattering of neutrons with an energy of 14.1 Mev on the nuclei of oxygen,phosphorus,and sulfur was performed at the TANGRA facility at JINR(Dubna).The experiment aimed to refine existing data... 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
Laboratory evaluation of toxicity of selected insecticides against egg and larval stages of cotton pink bollworm, Pectinophora gossypiella (saunders) (Lepidoptera: Gelechiidae)
收藏 引用
Journal of Cotton Research 2024年 第1期7卷 15-28页
作者: BUsNOOR Abhishek v. WADAsKAR R.M. FAND Babasaheb B. TAMBE v.J. PILLAI T. MAHULE D.J. NAGRARE v.s. PRAsAD Y.G. Entomology section College of Agriculture(Dr.Panjabrao Deshmukh Krishi Vidyapeeth)Nagpur 440001MaharashtraIndia Indian Council of Agricultural Research-Central Institute for Cotton Research Nagpur 441108MaharashtraIndia
Background The cryptic nature of pink bollworm Pectinophora gossypiella(saunders)larvae enables its reduced vul-nerability to insecticidal ***,the development of resistance against Bacillus thuringiensis(Bt)toxins pos... 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
Geochemical and petrological studies of high sulfur coal and overburden from Makum coalfield (Northeast India) towards understanding and mitigation of acid mine drainage
收藏 引用
International Journal of Coal science & Technology 2024年 第1期11卷 133-147页
作者: Angana Mahanta Debashis sarmah Nilotpol Bhuyan Monikankana saikia sarat Phukan K.s.v.subramanyam Ajit singh Prasenjit saikia Binoy K.saikia Coal and Energy Division CSIR-North East Institute of Science and TechnologyJorhatAssam785006India Academy of scientific&Innovative Research(AcsIR) Ghaziabad201002India Department of Geological sciences Gauhati UniversityGuwahatiAssam781014India Geochemistry Division CSIR-National Geophysical Research InstituteUppal RoadHyderabad500007India
Opencast coal mining produces trash of soil and rock containing various minerals,that are usually dumped nearby the abandoned sites which causes severe environmental concern including the production of acid mine drain... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
MicroRNAs as potential biomarkers for diagnosis of schizophrenia and influence of antipsychotic treatment
收藏 引用
Neural Regeneration Research 2024年 第7期19卷 1523-1531页
作者: Bridget Martinez Philip v.Peplow Department of Pharmacology University of Nevada-RenoRenoNVUSA Department of Medicine University of Nevada-RenoRenoNVUSA Department of Anatomy University of OtagoDunedinNew Zealand
Chara cterized by positive symptoms(such as changes in behavior or thoughts,including delusions and hallu cinations),negative symptoms(such as apathy,anhedonia,and social withdrawal),and cognitive impairments,schizoph... 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
MicroRNAs as potential biomarkers for diagnosis of attention deficit hyperactivity disorder
收藏 引用
Neural Regeneration Research 2024年 第3期19卷 557-562页
作者: Bridget Martinez Philip v.Peplow Department of Pharmacology University of Nevada-RenoRenoUSA Department of Medicine University of Nevada-RenoRenoUSA Department of Anatomy University of OtagoDunedinNew Zealand
Inappropriate levels of hyperactivity,impulsivity,and inattention characterize attention deficit hyperactivity disorder,a common childhood-onset neuropsychiatric *** cognitive function and learning ability of children... 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
Isochrone Fitting of Galactic Globular Clusters—Ⅵ.High-latitude Clusters NGC 5024 (M53),NGC 5053,NGC 5272 (M3),NGC 5466,and NGC7099 (M30)
收藏 引用
Research in Astronomy and Astrophysics 2024年 第6期24卷 170-190页
作者: G.A.Gontcharov s.s.savchenko A.A.Marchuk C.J.Bonatto O.s.Ryutina M.Yu.Khovritchev v.B.Il'in A.v.Mosenkov D.M.Poliakov A.A.smirnov Central(Pulkovo)Astronomical Observatory Russian Academy of SciencesPulkovskoye chaussee 65/1St.Petersburg 196140Russia saint Petersburg state University Universitetskij pr.28St.Petersburg 198504Russia special Astrophysical Observatory Russian Academy of Sciences369167 Nizhnij ArkhyzRussia Departamento de Astronomia Instituto de FísicaUFRGSAv.Bento Gonçalves9500Porto AlegreRSBrazil saint Petersburg University of Aerospace Instrumentation Bol.Morskaya ul.67ASt.Petersburg 190000Russia Department of Physics and Astronomy Brigham Young UniversityN283 ESCProvoUT 84602USA
We fit various color–magnitude diagrams(CMDs) of the high-latitude Galactic globular clusters NGC 5024(M53),NGC 5053,NGC 5272(M3),NGC 5466,and NGC 7099(M30) by isochrones from the Dartmouth stellar Evolution Database... 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
Effect of the Coulomb and dielectric forces on the onset of Rayleigh-Bénard convection
收藏 引用
Acta Mechanica sinica 2024年 第6期40卷 64-77页
作者: Zhonglin Du Pedro A.vázquez Jian Wu school of Energy science and Engineering Harbin Institute of TechnologyHarbin150001China Heilongjiang Key Laboratory of Micro-and Nano-scale Fluid Flow and Heat Transfer Harbin150001China Departamento de Física Aplicada III ETSIIUniversidad de SevillaSevilla41092Spain
In this paper,the effect of Coulomb and dielectric forces on the onset of Rayleigh-Bénard convection(RBC)in a dielectric liquid layer contained between two parallel electrode plates has been numerically *** different... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Cluster Analysis of the Roma-BZCAT Blazars
收藏 引用
Research in Astronomy and Astrophysics 2024年 第5期24卷 117-139页
作者: Dmitry O.Kudryavtsev Yulia v.sotnikova vladislav A.stolyarov Timur v.Mufakharov valery v.vlasyuk Margarita L.Khabibullina Alexander G.Mikhailov Yulia v.Cherepkova special Astrophysical Observatory of the Russian Academy of sciences Nizhny Arkhyz 369167Russia Astrophysics Group Cavendish LaboratoryUniversity of CambridgeCambridge CB3 OHEUK Kazan Federal University 18 Kremlyovskaya StKazan 420008Russia
Based on the collected multiwavelength data, namely in the radio(Nvss, FIRsT, RATAN-600), IR(WIsE),optical(Pan-sTARRs), Uv(GALEX), and X-ray(ROsAT, swift-XRT) ranges, we have performed a cluster analysis for the blaza... 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