咨询与建议

限定检索结果

文献类型

  • 42,945 篇 期刊文献
  • 2,780 篇 会议
  • 1,444 册 图书
  • 36 篇 学位论文
  • 16 篇 报纸

馆藏范围

  • 46,623 篇 电子文献
  • 626 种 纸本馆藏

日期分布

学科分类号

  • 20,977 篇 工学
    • 5,812 篇 材料科学与工程(可...
    • 2,992 篇 化学工程与技术
    • 2,687 篇 机械工程
    • 2,280 篇 生物医学工程(可授...
    • 2,071 篇 计算机科学与技术...
    • 2,004 篇 电子科学与技术(可...
    • 1,738 篇 力学(可授工学、理...
    • 1,601 篇 电气工程
    • 1,595 篇 动力工程及工程热...
    • 1,502 篇 冶金工程
    • 1,341 篇 环境科学与工程(可...
    • 1,268 篇 地质资源与地质工...
    • 1,188 篇 水利工程
    • 1,119 篇 控制科学与工程
    • 1,063 篇 建筑学
    • 989 篇 土木工程
  • 15,369 篇 医学
    • 12,988 篇 临床医学
    • 2,010 篇 基础医学(可授医学...
    • 1,996 篇 医学技术(可授医学...
    • 1,379 篇 公共卫生与预防医...
    • 1,147 篇 中西医结合
  • 12,889 篇 理学
    • 3,869 篇 物理学
    • 3,785 篇 化学
    • 2,757 篇 生物学
    • 1,961 篇 数学
    • 1,351 篇 地球物理学
    • 1,280 篇 地质学
    • 1,153 篇 天文学
  • 4,327 篇 农学
    • 1,561 篇 作物学
  • 1,893 篇 管理学
  • 1,148 篇 教育学
  • 1,120 篇 经济学
    • 1,002 篇 应用经济学
  • 780 篇 法学
  • 616 篇 文学
  • 309 篇 艺术学
  • 244 篇 历史学
  • 197 篇 哲学
  • 80 篇 军事学

主题

  • 344 篇 ct
  • 265 篇 mri
  • 234 篇 患者
  • 169 篇 美国
  • 161 篇 病人
  • 148 篇 mr
  • 134 篇 of
  • 129 篇 analysis
  • 109 篇 日本
  • 107 篇 and
  • 103 篇 印度
  • 79 篇 deep learning
  • 77 篇 cancer
  • 64 篇 acid
  • 60 篇 performance
  • 60 篇 diabetes
  • 59 篇 corrosion
  • 54 篇 pet
  • 54 篇 北美洲
  • 48 篇 simulation

机构

  • 152 篇 香港理工大学
  • 122 篇 香港城市大学
  • 89 篇 同济医科大学附属...
  • 71 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...
  • 66 篇 national researc...
  • 66 篇 department of ph...
  • 66 篇 school of physic...
  • 66 篇 ludwig-maximilia...
  • 66 篇 department of ph...
  • 66 篇 北京大学
  • 65 篇 cea/saclay dsm/i...

作者

  • 232 篇 m.k
  • 152 篇 叶鹏
  • 85 篇 h.murayama
  • 85 篇 j.d.jackson
  • 85 篇 g.d'ambrosio
  • 85 篇 m.white
  • 84 篇 p.de jong
  • 83 篇 v.i.belousov
  • 74 篇 v.burkert
  • 64 篇 y.hayato
  • 60 篇 a.v.gritsan
  • 59 篇 kavli ipmu
  • 57 篇 l.pape
  • 37 篇 a.gurtu
  • 35 篇 m.carena
  • 34 篇 王铮
  • 32 篇 向平
  • 32 篇 a.masoni
  • 31 篇 朱国栋
  • 27 篇 l.littenberg

语言

  • 28,015 篇 中文
  • 19,180 篇 英文
  • 5 篇 其他
  • 2 篇 日文
  • 1 篇 德文
检索条件"作者=K.Akib."
47221 条 记 录,以下是81-90 订阅
排序:
Chaotic Aquila Optimization Algorithm for Solving Phase Equilibrium Problems and Parameter Estimation of Semi-empirical Models
收藏 引用
Journal of Bionic Engineering 2024年 第1期21卷 486-526页
作者: Oguz Emrah Turgut Mert Sinan Turgut Erhan kırtepe Department of Industrial Engineering Faculty of Engineering and ArchitectureIzmir Bakircay UniversityMenemenizmirTurkey Department of Mechanical Engineering Faculty of EngineeringEge UniversityBornovaizmirTurkey Department of Motor Vehicles and Transportation Technologies Sirnak UniversitySirnakTurkey
This research study aims to enhance the optimization performance of a newly emerged Aquila Optimization algorithm by incorporating chaotic sequences rather than using uniformly generated Gaussian random *** work emplo... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Tuning the optoelectronic properties for small organic compounds as organic solar cell applications
收藏 引用
Optoelectronics Letters 2024年 第7期20卷 412-417页
作者: Hussein k.Mejbel Lafy F.Al-Badry Department of Physics College of Education for Pure ScienceUniversity of Thi-QarNassiriya 64001Iraq Department of Physics College of ScienceUniversity of Thi-QarNassiriya 64001Iraq1
Recently,organic solar cells have attracted the attention of many researchers owing to flexibility,low cost,light weight and large-area applications,and significant improvement in the power conversion efficiency(PCE).... 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
Immunotherapy of gastric cancer:Present status and future perspectives
收藏 引用
World Journal of Gastroenterology 2024年 第8期30卷 779-793页
作者: John k Triantafillidis Manousos M konstadoulakis Apostolos E Papalois Inflammatory Bowel Disease Unit “Metropolitan General”HospitalHolargos 15562AtticaGreece.Hellenic Society for Gastrointestinal Oncology354 Iera OdosChaidari 12461AtticaGreece Second Department of Surgery University of Athens School of MedicineAretaieion HospitalAthens 11528AtticaGreece Unit of Surgical Research and Training Second Department of SurgeryUniversity of AthensSchool of MedicineAretaieion HospitalAthens 11528AtticaGreece
In this editorial,we comment on the article entitled“Advances and key focus areas in gastric cancer immunotherapy:A comprehensive scientometric and clinical trial review(1999-2023),”which was published in the recent... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Insm1:orchestrating cellular mimicry in the thymus medulla
收藏 引用
Cellular & Molecular Immunology 2024年 第4期21卷 414-416页
作者: k.D.James J.E.Cowan UCL Institute of Immunity and Transplantation The Pears BuildingRowland Hill StreetLondonNW32PPUK
The thymus is the primary production site for a functional and self-tolerant T-cell *** establishment of immune tolerance is mediated by the generation and presentation of tissue-restricted self-antigens(TRAs)by medul... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Photometric Studies of EV Cnc and AH Cnc in the Open Cluster M67
收藏 引用
Research in Astronomy and Astrophysics 2024年 第8期24卷 196-211页
作者: Mamatha Rani G. k.Sriram Deblina Lahiri Vijaya,A. Department of Astronomy Osmania UniversityHyderabad 500007India
Contact binaries at various stages of evolution unveil various operating mechanisms that drive *** report the photometric and period variation analysis of two contact binaries EV Cnc and AH Cnc in open cluster *** obs... 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
LiDAR-based estimation of bounding box coordinates using Gaussian process regression and particle swarm optimization
收藏 引用
Biomimetic Intelligence & Robotics 2024年 第1期4卷 24-35页
作者: Vinodha k. E.S.Gopi Tushar Agnibhoj Department of Electronics and Communication Engineering National Institute of Technology TiruchirappalliTamil Nadu620015India
Camera-based object tracking systems in a given closed environment lack privacy and *** this study,light detection and ranging(LiDAR)was applied to track objects similar to the camera tracking in a closed environment,... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
A Dynamic Network Game of the Fintech Industry
收藏 引用
Journal of the Operations Research Society of China 2024年 第1期12卷 5-33页
作者: David W.k.Yeung Leon A.Petrosyan Ying-Xuan Zhang SRS Consortium for Advanced Study in Cooperative Dynamic Games Shue Yan UniversityHong KongChina Center of Game Theory St Petersburg State UniversitySaint PetersburgRussia Department of Finance Asia UniversityTaichung CityTaiwanChina Faculty of Applied Mathematics-Control Processes and Center of Game Theory St Petersburg StateUniversitySaint PetersburgRussia
Economies of scale,economies of scope,and technology spillover are decisive eco-nomic elements that are crucial to the development in the Fintech *** externalities are often realized through network *** this paper,we ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Effect of Moringa oleifera on semen quality profiles in endangered Teressa goat under tropical humid island ecosystem
收藏 引用
Asian pacific Journal of Reproduction 2024年 第2期13卷 89-96页
作者: P.Perumal Jai Sunder A.k.De A.k.Nahak D.k.Chaurasia T.C.Balamurugan D.Bhattacharya ICAR-Central Island Agricultural Research Institute Port Blair-744105Andaman and Nicobar IslandsIndia OUAT-College of Veterinary Science and Animal Husbandry Bhubaneswar-751003OdishaIndia TANUVAS-Veterinary College and Research Institute Salem-636112Tamil NaduIndia
Objective:To investigate the effect of Moringa oleifera leaf extract on semen quality parameters in Teressa goat ***:A total of 25 semen samples from six bucks were selected for the *** of 150×10^(6) were incubated i... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
An Evidence-Based CoCoSo Framework with Double Hierarchy Linguistic Data for Viable Selection of Hydrogen Storage Methods
收藏 引用
Computer Modeling in Engineering & Sciences 2024年 第3期138卷 2845-2872页
作者: Raghunathan krishankumar Dhruva Sundararajan k.S.Ravichandran Edmundas kazimieras Zavadskas Information Technology Systems and Analytics Area Indian Institute of Management Bodh GayaBodh GayaBihar824234India Department of Mathematics Amrita School of Physical SciencesAmrita Vishwa VidyapeethamCoimbatore641112India Institute of Sustainable Construction Vilnius Gediminas Technical UniversityVilnius10223Lithuania
Hydrogen is the new age alternative energy source to combat energy demand and climate *** of hydrogen is vital for a nation’s *** of literature provide different methods for storing the produced hydrogen,and the rati... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Investigation of Microstructure, Microhardness and Thermal Properties of Ag-In Intermetallic Alloys Prepared by Vacuum Arc Meltings
收藏 引用
Journal of Wuhan University of Technology(Materials Science) 2024年 第1期39卷 182-187页
作者: ÇELİk Erçevik ATA ESENER Pınar ÖZTÜRk Esra AkSÖZ Sezen Nevşehir HacıBektaşVeli University Department of Physics50300NevşehirTurkey Erciyes University Graduate School of Natural and Applied Sciences38039KayseriTurkey kocaeli University Department of Physics41380KocaeliTurkey
Ag-In intermetallic alloys were produced by using vacuum arc furnace. Differential Scanning Calorimetry(DSC) and Energy Dispersive X-Ray Spectrometry(EDX) were used to determine the thermal properties and chemical com... 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