咨询与建议

限定检索结果

文献类型

  • 58,247 篇 期刊文献
  • 4,034 篇 会议
  • 3,451 册 图书
  • 505 篇 学位论文
  • 12 篇 报纸

馆藏范围

  • 64,746 篇 电子文献
  • 1,564 种 纸本馆藏

日期分布

学科分类号

  • 28,262 篇 工学
    • 8,072 篇 材料科学与工程(可...
    • 4,362 篇 化学工程与技术
    • 3,604 篇 机械工程
    • 3,244 篇 生物医学工程(可授...
    • 2,840 篇 计算机科学与技术...
    • 2,569 篇 电子科学与技术(可...
    • 2,499 篇 动力工程及工程热...
    • 2,367 篇 电气工程
    • 2,322 篇 力学(可授工学、理...
    • 1,984 篇 冶金工程
    • 1,883 篇 地质资源与地质工...
    • 1,754 篇 控制科学与工程
    • 1,720 篇 环境科学与工程(可...
    • 1,628 篇 水利工程
    • 1,425 篇 建筑学
    • 1,423 篇 土木工程
  • 20,563 篇 医学
    • 17,211 篇 临床医学
    • 2,746 篇 医学技术(可授医学...
    • 2,613 篇 基础医学(可授医学...
    • 1,630 篇 公共卫生与预防医...
    • 1,611 篇 中西医结合
  • 17,606 篇 理学
    • 5,387 篇 化学
    • 4,869 篇 物理学
    • 3,501 篇 生物学
    • 2,696 篇 数学
    • 1,807 篇 地质学
    • 1,745 篇 地球物理学
    • 1,653 篇 天文学
  • 5,661 篇 农学
    • 1,752 篇 作物学
  • 2,898 篇 管理学
  • 1,884 篇 教育学
  • 1,863 篇 经济学
    • 1,651 篇 应用经济学
  • 1,307 篇 法学
  • 1,234 篇 文学
  • 514 篇 历史学
  • 493 篇 艺术学
  • 397 篇 哲学
  • 94 篇 军事学

主题

  • 584 篇 ct
  • 396 篇 mri
  • 321 篇 患者
  • 321 篇 美国
  • 232 篇 病人
  • 215 篇 analysis
  • 196 篇 of
  • 184 篇 and
  • 183 篇 mr
  • 133 篇 中国
  • 129 篇 治疗
  • 108 篇 北美洲
  • 107 篇 cancer
  • 98 篇 日本
  • 98 篇 diabetes
  • 93 篇 acid
  • 86 篇 美利坚合众国
  • 84 篇 方程
  • 79 篇 应用
  • 73 篇 health

机构

  • 153 篇 同济医科大学附属...
  • 113 篇 北京大学
  • 106 篇 南京大学
  • 101 篇 香港理工大学
  • 83 篇 university of ch...
  • 72 篇 清华大学
  • 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...
  • 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 nstitucio catala...
  • 65 篇 department of ph...
  • 65 篇 school of physic...
  • 64 篇 ludwig-maximilia...

作者

  • 108 篇 叶鹏
  • 85 篇 h.murayama
  • 85 篇 j.d.jackson
  • 85 篇 g.d'ambrosio
  • 85 篇 m.white
  • 80 篇 p.de jong
  • 77 篇 v.i.belousov
  • 62 篇 ali raza
  • 57 篇 v.burkert
  • 50 篇 china
  • 48 篇 h.wang
  • 46 篇 霍文
  • 46 篇 王铮
  • 42 篇 kavli ipmu
  • 40 篇 l.pape
  • 37 篇 刘闯
  • 35 篇 muhammad ali
  • 34 篇 y.hayato
  • 33 篇 刘莉
  • 31 篇 amjad ali

语言

  • 38,821 篇 中文
  • 27,387 篇 英文
  • 19 篇 其他
  • 1 篇 法文
检索条件"作者=ali H.Abdulhadi"
66249 条 记 录,以下是81-90 订阅
排序:
Gaussian Backbone-Based Spherical Evolutionary Algorithm with Cross-search for Engineering Problems
收藏 引用
Journal of Bionic Engineering 2024年 第2期21卷 1055-1091页
作者: Yupeng Li Dong Zhao ali Asghar heidari Shuihua Wang huiling Chen Yudong Zhang College of Computer Science and Technology Changchun Normal UniversityChangchun130032JilinChina School of Surveying and Geospatial Engineering College of EngineeringUniversity of TehranTehranIran School of Computing and Mathematical Sciences University of LeicesterLeicesterLE17RHUK Department of Biological Sciences Xi’an Jiaotong-Liverpool UniversitySuzhou215123JiangsuChina Key Laboratory of Intelligent Informatics for Safety and Emergency of Zhejiang Province Wenzhou UniversityWenzhou325035China School of Computer Science and Engineering Southeast UniversityNanjing210096China
In recent years,with the increasing demand for social production,engineering design problems have gradually become more and more *** novel and well-performing meta-heuristic algorithms have been studied and developed ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Mechanical and magneto-electronic properties of europium lanthanide-based cubic perovskites EuYO_(3)(Y=Cr, Mn, Fe): An ab initio study
收藏 引用
Journal of Rare Earths 2024年 第3期42卷 562-569,I0005页
作者: hayat Ullah Azra Sarwar Sajad ali Rabah Khenata Abdelmadjid Bouhemadou Saad Bin-Omran Department of Physics Women University of Azad Jammu&Kashmir Bagh 10250Pakistan Department of Physics Abdul Wali Khan UniversityMardan23200KPPakistan LPQ3M Laboratory Institute of Science and TechnologyUniversity of Mascara29000MascaraAlgeria Laboratory for Developing New Materials and Their Characterization Farhat Abbas University Setif l19000SetifAlgeria Department of Physics and Astronomy College of ScienceKing Saud UniversityP.O.Box 2455Riyadh11451Saudi Arabia
Computational calculations using density functional theory(DFT) were performed for the first time using the full potential linearized augmented plane wave plus local orbital method(FP-LAPW + LO) to determine the struc... 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
Exploring the shadow of a rotating charged ModMax black hole
收藏 引用
Communications in Theoretical Physics 2024年 第2期76卷 89-101页
作者: Khurshid Karshiboev Farruh Atamurotov Ahmadjon Abdujabbarov ali Övgün Anvar Reyimberganov Institute of Theoretical Physics National University of UzbekistanTashkent 100174Uzbekistan New Uzbekistan University Movarounnahr Street 1Tashkent 100000Uzbekistan Central Asian University Milliy Bog'Street 264Tashkent 111221Uzbekistan University of Tashkent for Applied Sciences Str.Gavhar 1Tashkent 100149Uzbekistan Tashkent State Technical University Tashkent 100095Uzbekistan Ulugh Beg Astronomical Institute Astronomy Street 33Tashkent 100052Uzbekistan Institute of Fundamental and Applied Research National Research University TIIAMEKori Niyoziy 39Tashkent 100000Uzbekistan Physics Department Eastern Mediterranean UniversityFamagusta99628 North Cyprusvia Mersin 10Turkey Urgench State University Urgench 220100Uzbekistan
The research presented in this paper discusses the impact that the parameters of charge(Q)and screening factor(γ)have on properties of the horizon and silhouette of rotating charged Mod Max black holes which were rev... 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
Robust design of sliding mode control for airship trajectory tracking with uncertainty and disturbance estimation
收藏 引用
Journal of Systems Engineering and Electronics 2024年 第1期35卷 242-258页
作者: WASIM Muhammad ali Ahsan ChOUDhRY Mohammad Ahmad ShAIKh Inam Ul hasan SALEEM Faisal Department of Aeronautics and Astronautics Engineering Institute of Space TechnologyIslamabad 44000Pakistan Department of Electrical Engineering University of Engineering and TechnologyTaxila 47080Pakistan Department of Measurements and Control Systems Silesian University of TechnologyGliwice 44-101Poland The Joint Doctoral School Silesian University of TechnologyGliwice 44-100Poland
The robotic airship can provide a promising aerostatic platform for many potential *** applications require a precise autonomous trajectory tracking control for *** has a nonlinear and uncertain *** is prone to wind d... 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
Sacrificial piles as a countermeasure against local scour around underwater pipelines
收藏 引用
Water Science and Engineering 2024年 第2期17卷 187-196页
作者: Forough Raeisi Seyed Mohammad ali Zomorodiann Masih Zolghadr hazi Mohammad Azamathulla Department of Water Engineering Shiraz UniversityShiraz ***Iran Department of Water Sciences Engineering Jahrom UniversityJahrom ***Iran Department of Civil and Environmental Engineering The University of the West IndiesSt.Augustine CampusTrinidad 331310Republic of Trinidad and Tobago
Local scour around pipelines crossing rivers or in marine environments is a significant *** can lead to failure of the pipelines resulting in environmental side effects and economic *** study developed an experimental... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Effects of the concentration and nature of total dissolved solids in drinking water on feed intake, nutrient digestion, energy balance,methane emission, ruminal fermentation, and blood constituents in different breeds of young goats and hair sheep
收藏 引用
Animal Nutrition 2024年 第1期16卷 84-95页
作者: Amlan Kumar Patra Luana Paula dos Santos Ribeiro hirut Yirga Adekayode O.Sonibare Ahmed R.Askar ali h.hussein Ryszard Puchala Arthur Louis Goetsch American Institute for Goat Research Langston University Animal and Poultry Nutrition Department Desert Research Center Agriculture Food and Natural ResourcesEastern New Mexico University
Understanding how different livestock species and breeds respond to consumption of brackish water could improve usage of this ***,Angora,Boer,and Spanish goat doelings and Dorper,Katahdin,and *** ewe lambs (6 animals ... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
Combustion characteristics of low-quality lignite for different bed material sphericities in a circulating fluidized bed boiler:A numerical study
收藏 引用
Particuology 2024年 第7期90卷 364-382页
作者: Barış Gürel Gülşah Karaca Dolgun Osman İpek ali Keçebaş Department of Mechanical Engineering Engineering FacultySüleyman Demirel UniversityÇünürIspartaTurkey Department of Energy Systems Engineering Technology FacultyMuğla SıtkıKoçman UniversityKötekliMenteşeMuğlaTurkey
This study delves into the combustion behavior of various lignite types within a circulating fluidized bed boiler(CFBB),with a primary focus on the impact of different bed material sphericity ratios(0.5,0.7,and 0.9).U... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Mechanistic insights toward identification and interaction of plant parasitic nematodes:A review
收藏 引用
Soil Ecology Letters 2024年 第1期6卷 11-27页
作者: Bisma Jan ali haider Shah Mudasir Ahmad Bhat Arif Tasleem Jan Ishfaq Ahmad Wani ali Asghar Shah Section of Microbiology Baba Ghulam Shah Badshah UniversityRajouriJ&K185234India Department of Biotechnology Baba Ghulam Shah Badshah University RajouriJ&K185234India Department of Botany Baba Ghulam Shah Badshah University RajouriJ&K185234India Department of Zoology School of Biosciences and BiotechnologyBaba Ghulam Shah Badshah University RajouriJ&K185234India
Nematode identification serves as an important param-eter to study their behaviour,importance and *** of classical morphometric based identifica-tion methods prove to be lacking due to insufficient knowledge on morpho... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Performance Enhancement of XML Parsing Using Regression and Parallelism
收藏 引用
Computer Systems Science & Engineering 2024年 第2期48卷 287-303页
作者: Muhammad ali Minhaj Ahmad Khan Department of Computer Science Bahauddin Zakariya UniversityMultan60000Pakistan
The Extensible Markup Language(XML)files,widely used for storing and exchanging information on the web require efficient parsing mechanisms to improve the performance of the *** the existing Document Object Model(DOM)... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
An Ingenious IoT Based Crop Prediction System Using ML and EL
收藏 引用
Computers, Materials & Continua 2024年 第4期79卷 183-199页
作者: Shabana Ramzan Yazeed Yasin Ghadi hanan Aljuaid Aqsa Mahmood Basharat ali Department of Computer Science&IT Government Sadiq CollegeWomen UniversityBahawalpur63100Pakistan Department of Computer Science/Software Engineering Al Ain UniversityAl Ain64141UAE Department of Computer Sciences College of Computer and Information SciencesPrincess Nourah bint Abdulrahman University(PNU)Riyadh11671Saudi Arabia Agronomic Research Station Bahawalpur63100Pakistan
Traditional farming procedures are time-consuming and expensive as based on manual labor. Farmers haveno proper knowledge to select which crop is suitable to grow according to the environmental factors and soilcharact... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论