咨询与建议

限定检索结果

文献类型

  • 28,373 篇 期刊文献
  • 1,890 篇 会议
  • 181 册 图书
  • 52 篇 学位论文

馆藏范围

  • 30,405 篇 电子文献
  • 95 种 纸本馆藏

日期分布

学科分类号

  • 12,676 篇 工学
    • 3,358 篇 材料科学与工程(可...
    • 1,484 篇 化学工程与技术
    • 1,410 篇 生物医学工程(可授...
    • 933 篇 机械工程
    • 801 篇 电子科学与技术(可...
    • 730 篇 计算机科学与技术...
    • 530 篇 动力工程及工程热...
    • 506 篇 地质资源与地质工...
    • 485 篇 电气工程
    • 485 篇 核科学与技术
    • 470 篇 仪器科学与技术
    • 449 篇 力学(可授工学、理...
    • 441 篇 土木工程
    • 409 篇 软件工程
    • 397 篇 环境科学与工程(可...
    • 396 篇 控制科学与工程
  • 11,466 篇 医学
    • 9,524 篇 临床医学
    • 1,438 篇 医学技术(可授医学...
    • 1,017 篇 基础医学(可授医学...
    • 853 篇 中西医结合
    • 590 篇 公共卫生与预防医...
    • 428 篇 药学(可授医学、理...
  • 6,129 篇 理学
    • 1,367 篇 物理学
    • 1,241 篇 化学
    • 912 篇 数学
    • 692 篇 生物学
    • 569 篇 地质学
  • 2,056 篇 农学
    • 556 篇 作物学
  • 1,021 篇 管理学
    • 518 篇 管理科学与工程(可...
  • 612 篇 经济学
    • 534 篇 应用经济学
  • 472 篇 教育学
  • 317 篇 文学
  • 250 篇 法学
  • 134 篇 历史学
  • 104 篇 艺术学
  • 68 篇 哲学
  • 34 篇 军事学

主题

  • 209 篇 ct
  • 157 篇 mri
  • 119 篇 cancer
  • 113 篇 患者
  • 108 篇 analysis
  • 105 篇 and
  • 98 篇 covid-19
  • 87 篇 of
  • 72 篇 mr
  • 69 篇 病人
  • 68 篇 diabetes
  • 61 篇 日本
  • 61 篇 temperature
  • 59 篇 microstructure
  • 56 篇 structure
  • 55 篇 acid
  • 55 篇 morocco
  • 52 篇 simulation
  • 49 篇 corrosion
  • 48 篇 高血压

机构

  • 184 篇 中国科学院大学
  • 114 篇 香港理工大学
  • 85 篇 南京大学
  • 81 篇 香港城市大学
  • 68 篇 university of mi...
  • 67 篇 institute for pa...
  • 67 篇 albert einstein ...
  • 67 篇 dipartimento di ...
  • 67 篇 nikhef p.o.box 4...
  • 67 篇 fysikum stockhol...
  • 67 篇 michigan state u...
  • 67 篇 NOT FOUND
  • 67 篇 institut fur the...
  • 67 篇 dept.of physics ...
  • 66 篇 national researc...
  • 66 篇 compas group ins...
  • 66 篇 rudolf peierls c...
  • 66 篇 department of ph...
  • 66 篇 nstitucio catala...
  • 66 篇 cern european or...

作者

  • 85 篇 f.krauss
  • 85 篇 g.weiglein
  • 85 篇 h.murayama
  • 85 篇 j.parsons
  • 85 篇 j.d.jackson
  • 85 篇 g.d'ambrosio
  • 85 篇 r.s.chivukula
  • 84 篇 y.kwon
  • 84 篇 m.white
  • 84 篇 m.drees
  • 74 篇 p.de jong
  • 72 篇 s.blusk
  • 71 篇 叶鹏
  • 69 篇 o.dahl
  • 68 篇 b.foster
  • 65 篇 k.monig
  • 62 篇 g.rybka
  • 60 篇 mohamed s. el na...
  • 59 篇 a.ringwald
  • 50 篇 v.i.belousov

语言

  • 16,346 篇 中文
  • 14,147 篇 英文
  • 2 篇 其他
  • 1 篇 法文
检索条件"作者=A.y.el-Etre"
30496 条 记 录,以下是1-10 订阅
排序:
A novel green inhibitor for C-steel corrosion in 2.0 mol·L^-1 hydrochloric acid solution
收藏 引用
Chinese Journal of Chemical Engineering 2017年 第3期25卷 373-380页
作者: a.y.el-etre A.I.Ali Chemistry Dept. Faculty of ScienceBertha UniversityBerthaEgypt
The corrosion inhibition characteristics of aqueous extract of seeds of Melia azedarach L.(MA) have been studied as eco-friendly green inhibitor for corrosion control of C-steel in 2 mol·L^(-1) HCl solution by gravim... 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 Synergistic Multi-Attribute Decision-Making Method for Educational Institutions Evaluation Using Similarity Measures of Possibility Pythagorean Fuzzy Hypersoft Sets
收藏 引用
Computer Modeling in Engineering & Sciences 2025年 第1期142卷 501-530页
作者: Khuram Ali Khan Saba Mubeen Ishfaq Atiqe Ur Rahman Salwa el-Morsy Department of Mathematics University of SargodhaSargodha40100Pakistan Department of Mathematics University of Management and TechnologyLahore54000Pakistan Department of Mathematics College of ScienceQassim UniversityBuraydah51452Saudi Arabia
Due to the numerous variables to take into account as well as the inherent ambiguity and uncertainty,evaluating educational institutions can be *** concept of a possibility Pythagorean fuzzy hypersoft set(pPyFHSS)is m... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Solid Waste Management:A MADM Approach Using Fuzzy Parameterized Possibility Single-Valued Neutrosophic Hypersoft Expert Settings
收藏 引用
Computer Modeling in Engineering & Sciences 2025年 第1期142卷 531-553页
作者: Tmader Alballa Muhammad Ihsan Atiqe Ur Rahman Noorah Ayed Alsorayea Hamiden Abd el-Wahed Khalifa Department of Mathematics College of SciencesPrincess Nourah bint Abdulrahman UniversityRiyadh11671Saudi Arabia 2 Department of Mathematics University of Management and TechnologyLahore54000Pakistan Department of Mathematics College of ScienceQassim UniversityBuraydah51452Saudi Arabia
The dramatic rise in the number of people living in cities has made many environmental and social problems *** search for a productive method for disposing of solid waste is the most notable of these *** scholars have... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Cortical hem signaling center: functions, development, and potential implications for evolution and brain disorders
收藏 引用
Neural Regeneration Research 2025年 第4期20卷 1079-1080页
作者: Victor V.Chizhikov Igor y.Iskusnykh Department of Anatomy and Neurobiology University of Tennessee Health Science CenterMemphisTNUSA
Development of the telencephalon relies upon several signaling centers-localized cellular populations that supply secreted factors to pattern the cortical *** such signaling center is the cortical hem,which arises dur... 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
Exercise preconditioning alleviates ischemia-induced memory deficits by increasing circulating adiponectin
收藏 引用
Neural Regeneration Research 2025年 第5期20卷 1445-1454页
作者: Meifeng Zheng Borui Zhang Sonata S y yau Kwok-Fai So Li Zhang Haining Ou Department of Rehabilitation Medicine Guangzhou Medical UniversityGuangzhouGuangdong ProvinceChina Department of Rehabilitation Medicine The Fifth Clinical College of Guangzhou Medical UniversityGuangzhouGuangdong ProvinceChina Key Laboratory of CNS Regeneration(Ministry of Education) Guangdong-Hong Kong-Macao Institute of CNS RegenerationJinan UniversityGuangzhouGuangdong ProvinceChina Department of Rehabilitation Sciences The Hong Kong Polytechnic UniversityHong Kong Special Administrative RegionChina State Key Laboratory of Brain and Cognitive Science Li Ka Shing Faculty of MedicineThe University of Hong KongHong Kong Special Administrative RegionChina Center for Exercise and Brain Science School of PsychologyShanghai University of SportShanghaiChina Neuroscience and Neurorehabilitation Institute University of Health and Rehabilitation SciencesQingdaoShandong ProvinceChina
Cerebral ischemia is a major health risk that requires preventive approaches in addition to drug *** exercise enhances neurogenesis and synaptogenesis,and has been widely used for functional rehabilitation after *** t... 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
Gene therapy for spinal muscular atrophy:perspectives on the possibility of optimizing SMN1 delivery to correct all neurological and systemic perturbations
收藏 引用
Neural Regeneration Research 2025年 第7期20卷 2011-2012页
作者: Sharon J.Brown Rafael J.yáñez-Muñoz Heidi R.Fuller School of Pharmacy and Bioengineering Keele UniversityKeeleUK Wolfson Center for Inherited Neuromuscular Disease TORCH BuildingRJAH Orthopaedic HospitalOswestryUK *** Center of Gene and Cell TherapyDepartment of Biological SciencesSchool of Life Sciences and the EnvironmentRoyal Holloway University of LondonEghamUK
Spinal muscular atrophy(SMA)is a genetic condition that results in selective lower motor neuron loss with concomitant muscle weakness and *** genetic cause of SMA was understood in 1995 when loss or impairment of the ... 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
Complement-dependent neuroinflammation in spinal cord injury:from pathology to therapeutic implications
收藏 引用
Neural Regeneration Research 2025年 第5期20卷 1324-1335页
作者: Hassan Saad Bachar el Baba Ali Tfaily Firas Kobeissy Juanmarco Gutierrez Gonzalez Daniel Refai Gerald R.Rodts Christian Mustroph David Gimbel Jonathan Grossberg Daniel L.Barrow Matthew F.Gary Ali M.Alawieh Department of Neurosurgery Emory University School of MedicineAtlantaGAUSA Department of Neurology Yale UniversityNew HavenCTUSA Center for Neurotrauma Multiomics&Biomarkers(CNMB)Morehouse School of MedicineAtlantaGAUSA
Spinal cord injury remains a major cause of disability in young adults,and beyond acute decompression and rehabilitation,there are no pharmacological treatments to limit the progression of injury and optimize recovery... 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
Solvent extraction and recovery of y(Ⅲ) and yb(Ⅲ) from fluorspar mineral
收藏 引用
International Journal of Minerals,Metallurgy and Materials 2013年 第8期20卷 713-719页
作者: y.A.el-Nadi N.E.el-Hefny H.F.Aly Hot Laboratories Centre Atomic Energy Authority13759Egypt Faculty of Science Jazan UniversityJazan 2097Saudi Arabia
yttrium and ytterbium were extracted from sulfuric acid medium using triphenylarsine (TPAs) dissolved in kerosene. The influence of different factors, such as shaking time, extractants, metal ions, sulfate ion conce... 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
Advanced Functional electromagnetic Shielding Materials:A Review Based on Micro‑Nano Structure Interface Control of Biomass Cell Walls
收藏 引用
Nano-Micro Letters 2025年 第1期17卷 98-134页
作者: yang Shi Mingjun Wu Shengbo Ge Jianzhang Li Anoud Saud Alshammari Jing Luo Mohammed A.Amin Hua Qiu Jinxuan Jiang yazeed M.Asiri Runzhou Huang Hua Hou Zeinhom M.el‑Bahy Zhanhu Guo Chong Jia Kaimeng Xu Xiangmeng Chen Co‑Innovation Center of Efficient Processing and Utilization of Forest Resources College of Materials Science and EngineeringNanjing Forestry UniversityNanjing 210037People’s Republic of China State Key Laboratory of Efficient Production of Forest Resourced Beijing Forestry UniversityQinghua East Road 35Haidian DistrictBeijing 100083People’s Republic of China Department of Physics Faculty of Sciences‑ArarNorthern Border UniversityArar 91431Saudi Arabia Department of Chemistry College of ScienceTaif UniversityP.O.Box 1109921944 TaifSaudi Arabia Shaanxi Key Laboratory of Macromolecular Science and Technology School of Chemistry and Chemical EngineeringNorthwestern Polytechnical UniversityXi’anShaanxi 710072People’s Republic of China Integrated Composites Lab Department of Mechanical and Construction EngineeringNorthumbria UniversityNewcastle Upon Tyne NE18STUK College of Materials Science and Engineering Taiyuan University of Science and TechnologyTaiyuan 030024People’s Republic of China Department of Chemistry Faculty of ScienceAl-Azhar UniversityNasr CityCairo 11884Egypt yunnan Provincial Key Laboratory of Wood Adhesives and Glued Products International Joint Research Center for Biomass MaterialsSouthwest Forestry UniversityKunming 650224People’s Republic of China School of Science Henan Agricultural UniversityZhengzhou 450002People’s Republic of China
Research efforts on electromagnetic interference(EMI)shielding materials have begun to converge on green and sustainable biomass *** materials offer numerous advantages such as being lightweight,porous,and *** to thei... 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
Dynamics of a multi-mode maximum entangled coherent state over an amplitude damping channel
收藏 引用
Chinese Physics B 2011年 第11期20卷 67-73页
作者: A.el Allati y.Hassouni N.Metwally Faculté des Sciences Laboratoire de Physique Theorique URAC 13Université Mohammed V-Agdal The Abdus Salam International Centre for Theoretical Physics Mathematics Department College of ScienceUniversity of Bahrain Mathematics Department Faculty of ScienceSouth Valley University
The dynamics of the maximum entangled coherent state traveling through an amplitude damping channel is investigated. For small values of the transmissivity rate, the traveling state is very fragile to this noise chann... 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