咨询与建议

限定检索结果

文献类型

  • 91,808 篇 期刊文献
  • 5,280 篇 会议
  • 3,866 册 图书
  • 250 篇 学位论文
  • 17 篇 报纸
  • 3 篇 多媒体

馆藏范围

  • 99,561 篇 电子文献
  • 1,740 种 纸本馆藏

日期分布

学科分类号

  • 40,444 篇 工学
    • 10,660 篇 材料科学与工程(可...
    • 5,674 篇 化学工程与技术
    • 5,012 篇 生物医学工程(可授...
    • 4,576 篇 机械工程
    • 3,809 篇 计算机科学与技术...
    • 3,657 篇 电子科学与技术(可...
    • 3,259 篇 力学(可授工学、理...
    • 3,193 篇 电气工程
    • 3,152 篇 动力工程及工程热...
    • 2,868 篇 地质资源与地质工...
    • 2,868 篇 环境科学与工程(可...
    • 2,379 篇 冶金工程
    • 2,359 篇 水利工程
    • 2,107 篇 控制科学与工程
    • 2,056 篇 建筑学
  • 36,592 篇 医学
    • 30,906 篇 临床医学
    • 4,541 篇 基础医学(可授医学...
    • 4,429 篇 医学技术(可授医学...
    • 3,050 篇 公共卫生与预防医...
    • 2,570 篇 中西医结合
  • 26,359 篇 理学
    • 7,279 篇 化学
    • 7,057 篇 物理学
    • 6,178 篇 生物学
    • 4,097 篇 数学
    • 2,771 篇 地质学
    • 2,672 篇 地球物理学
    • 2,522 篇 天文学
  • 9,531 篇 农学
    • 3,136 篇 作物学
    • 2,235 篇 畜牧学
  • 4,244 篇 管理学
  • 2,688 篇 经济学
    • 2,350 篇 应用经济学
  • 2,626 篇 教育学
  • 1,803 篇 法学
  • 1,505 篇 文学
  • 709 篇 艺术学
  • 584 篇 历史学
  • 500 篇 哲学
  • 176 篇 军事学

主题

  • 968 篇 ct
  • 845 篇 mri
  • 594 篇 美国
  • 536 篇 病人
  • 516 篇 患者
  • 440 篇 and
  • 432 篇 mr
  • 430 篇 of
  • 348 篇 cancer
  • 262 篇 analysis
  • 249 篇 北美洲
  • 229 篇 治疗
  • 201 篇 disease
  • 195 篇 美利坚合众国
  • 168 篇 儿童
  • 167 篇 诊断
  • 157 篇 water
  • 148 篇 应用
  • 139 篇 treatment
  • 134 篇 liver

机构

  • 179 篇 北京大学
  • 133 篇 同济医科大学附属...
  • 108 篇 清华大学
  • 97 篇 浙江大学
  • 74 篇 华中科技大学同济...
  • 70 篇 university of ch...
  • 69 篇 美国加州大学
  • 68 篇 university of mi...
  • 68 篇 华中科技大学
  • 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 ...
  • 65 篇 compas group ins...
  • 65 篇 rudolf peierls c...
  • 63 篇 nstitucio catala...
  • 62 篇 department of ph...

作者

  • 238 篇 叶鹏
  • 232 篇 m.k
  • 113 篇 刘莉
  • 110 篇 郭俊
  • 86 篇 m.white
  • 85 篇 h.murayama
  • 85 篇 j.d.jackson
  • 85 篇 g.d'ambrosio
  • 75 篇 朱国栋
  • 74 篇 唐光健
  • 49 篇 王铮
  • 49 篇 刘凯
  • 45 篇 余英豪
  • 44 篇 p.de jong
  • 41 篇 linda m.chung
  • 39 篇 郭战宏
  • 38 篇 graul a i
  • 37 篇 y.hatsukawa
  • 37 篇 崔荣
  • 37 篇 m.santosh

语言

  • 60,098 篇 中文
  • 41,088 篇 英文
  • 21 篇 其他
  • 2 篇 日文
检索条件"作者=Anna m.SSER"
101224 条 记 录,以下是1-10 订阅
排序:
Neurovascular unit on a chip: the relevance and maturity as an advanced in vitro model
收藏 引用
Neural Regeneration Research 2024年 第6期19卷 1165-1166页
作者: Sujey Palma-Florez anna Lagunas mònica mir Nanobioengineering Group Institute for Bioengineering of Catalonia (IBEC) Barcelona Institute of Science and Technology (BIST) Department of Electronics and Biomedical Engineering University of Barcelona CIBER-BBN ISCIII
The brain is a high-energy demanding organ, consuming around 20% of the metabolic energy generated. To fulfill this demand, cerebral blood flow(CBF) supplies oxygen and glucose continuously through the intricate netwo...
来源: 同方期刊数据库 同方期刊数据库 评论
Cyclicity of the Lower Buntsandstein in the eastern part of the Central European Basin:implications for Early Triassic palaeogeography and for geochronological calibration
收藏 引用
Journal of Palaeogeography 2024年 第2期13卷 252-292页
作者: anna Becker Polish Geological Institute-National Research Institute 4 Rakowiecka str.00-975 WarsawPoland
Lower Buntsandstein small—scale cycles recognized in the Central European Basin(CEB) are readily used for astrochronological calibration of the Early Triassic time scales,although they are not well studied *** boreho... 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
Each coin has 2 sides: a positive role of alien Potamopyrgus antipodarum (Grey, 1843) snails in reducing the infection of native lymnaeids with trematodes
收藏 引用
Current Zoology 2024年 第2期70卷 262-269页
作者: anna Cichy anna Stanicka Elzbieta Zbikowska Faculty of Biological and Veterinary Sciences Nicolaus Copernicus University in TorunLwowska 187-100 TorunPoland
The change in the distribution of organisms in freshwater ecosystems due to natural or manmade processes raises the question of the impact of alien species on local *** most studies indicate a negative effect,the posi... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
millimetric devices for nerve stimulation:a promising path towards miniaturization
收藏 引用
Neural Regeneration Research 2024年 第8期19卷 1702-1706页
作者: Ryan m.Dorrian anna V.Leonard Antonio Lauto Spinal Cord Injury Research Group School of BiomedicineThe University of AdelaideAdelaideSAAustralia School of Science Western Sydney UniversityPenrithNSWAustralia
Nerve stimulation is a rapidly developing field,demonstrating positive outcomes across several *** potential benefits,current nerve stimulation devices are large,complicated,and are powered via implanted pulse *** fac... 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
Autolysosomal acidification impairment as a mediator for TNFR1 induced neuronal necroptosis in Alzheimer’s disease
收藏 引用
Neural Regeneration Research 2024年 第9期19卷 1869-1870页
作者: Evridiki Asimakidou Richard Reynolds anna m.Barron Chih Hung Lo Department of Clinical Neurosciences University of CambridgeCambridgeUK Department of Brain Sciences Faculty of MedicineImperial College LondonLondonUK Lee Kong Chian School of medicine Nanyang Technological UniversitySingaporeSingapore
Neuronal necroptosis-an emerging form of regulated cell death associated with neuroinflammatory signaling:Alzheimer’s disease(AD)is characterized by the presence of extracellular amyloid-β(Aβ)plaques and intracellu... 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
WNT/β-catenin signaling in hepatocellular carcinoma:The aberrant activation,pathogenic roles,and therapeutic opportunities
收藏 引用
Genes & Diseases 2024年 第2期11卷 727-746页
作者: anna Gajos-michniewicz malgorzata Czyz Department of molecular Biology of Cancer Medical University of LodzLodz 92-215Poland
Hepatocellular carcinoma(HCC)is a liver cancer,highly heterogeneous both at the histopathological and molecular *** arises from hepatocytes as the result of the accumulation of numerous genomic alterations in various ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Kriging-boosted CR modeling for prompt infill drilling optimization
收藏 引用
Petroleum 2024年 第1期10卷 39-48页
作者: Elizaveta S.Gladchenko anna E.Gubanova Denis m.Orlov Dmitry A.Koroteev Skolkovo Institute of Science and Technology Russian Federation Digital Petroleum LLC Russian Federation
The capacitance-resistance model(CRm) has been a useful physics-based tool for obtaining production forecasts for decades. However, the model's limitations make it difficult to work with real field cases,where a lot o... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
Double-check in Lizard Age Estimation:Use of Phalanx Bone and Keratin Claw Sheath Lamellas
收藏 引用
Asian Herpetological Research 2024年 第1期15卷 59-61页
作者: Eduard GALOYAN Natalia SOPILKO anna KOVALYEVA anna CHAmKINA A.N.Severtsov Institute of Ecology and Evolution Moscow 119071Russia Lomonosov moscow State University Leninskie Gori 1Moscow 119991Russia
Dear Editor,The problem of age estimation in amphibians and reptiles with annual fluctuations of growth pattern has been considered to be mostly solved since the skeletochronological method was introduced(Kleinenberg ... 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
Polymerization of 1,3-Butadiene with Catalysts Based on Cobalt Dichloride Complexes with Aminophosphines: Switching the Regioselectivity by Varying the mAO/Co molar Ratio
收藏 引用
Chinese Journal of Polymer Science 2024年 第4期42卷 501-510页
作者: Giovanni Ricci anna Sommazzi Francesco masi Alessandra Forni CNR-Istituto di Scienze e Tecnologie molecolari“Giulio Natta”(SCITEC) via A.Corti 1220133MilanoItaly Viale Giovanni XXIII 34 I-28100NovaraNOItaly Via Galvani 7 I-26866Sant’Angelo LodigianoLOItaly CNR-Istituto di Scienze e Tecnologie molecolari“Giulio Natta”(SCITEC) via C.Golgi 1920133MilanoItaly
Several novel cobalt dichloride complexes with amino-phosphine bidentate ligands were synthesized and *** some of them single crystals were obtained and their molecular structure was determined by X-ray diffraction **... 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
methyltransferase-like 3(mETTL3)inhibition potentiates anti-tumor immunity:a novel strategy for improving anti-PD1 therapy
收藏 引用
Signal Transduction and Targeted Therapy 2024年 第1期9卷 10-11页
作者: anna Brichkina Roman Suezov magdalena Huber Institute of Systems Immunology Member of the German Center for Lung Research(DZL)Philipps University of Marburg35043 MarburgGermany
In a recent article published in Cancer Discovery,Guirguis et *** that enzymatic inhibitors of the m6 A methyltransferase mETTL3 induced a formation of immunostimulatory doublestranded mRNAs(dsRNAs)in cancer cells,w... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论