咨询与建议

限定检索结果

文献类型

  • 52,616 篇 期刊文献
  • 4,037 篇 会议
  • 3,492 册 图书
  • 169 篇 学位论文
  • 12 篇 报纸

馆藏范围

  • 58,789 篇 电子文献
  • 1,550 种 纸本馆藏

日期分布

学科分类号

  • 25,027 篇 工学
    • 6,934 篇 材料科学与工程(可...
    • 3,680 篇 化学工程与技术
    • 3,142 篇 机械工程
    • 2,996 篇 生物医学工程(可授...
    • 2,170 篇 电子科学与技术(可...
    • 2,146 篇 动力工程及工程热...
    • 2,040 篇 计算机科学与技术...
    • 1,910 篇 力学(可授工学、理...
    • 1,850 篇 电气工程
    • 1,776 篇 冶金工程
    • 1,527 篇 地质资源与地质工...
    • 1,468 篇 环境科学与工程(可...
    • 1,441 篇 控制科学与工程
    • 1,329 篇 水利工程
  • 18,966 篇 医学
    • 15,749 篇 临床医学
    • 2,748 篇 医学技术(可授医学...
    • 2,480 篇 基础医学(可授医学...
    • 1,539 篇 公共卫生与预防医...
    • 1,506 篇 中西医结合
    • 1,252 篇 药学(可授医学、理...
  • 14,795 篇 理学
    • 4,497 篇 化学
    • 4,213 篇 物理学
    • 2,984 篇 生物学
    • 2,078 篇 数学
    • 1,496 篇 地质学
    • 1,403 篇 地球物理学
    • 1,388 篇 天文学
  • 5,028 篇 农学
    • 1,570 篇 作物学
    • 1,244 篇 畜牧学
  • 2,409 篇 管理学
  • 1,723 篇 经济学
    • 1,527 篇 应用经济学
  • 1,707 篇 教育学
  • 1,179 篇 法学
  • 1,125 篇 文学
  • 493 篇 历史学
  • 439 篇 艺术学
  • 377 篇 哲学
  • 84 篇 军事学

主题

  • 570 篇 ct
  • 396 篇 mri
  • 342 篇 美国
  • 334 篇 患者
  • 237 篇 病人
  • 183 篇 mr
  • 178 篇 of
  • 152 篇 治疗
  • 138 篇 analysis
  • 127 篇 and
  • 120 篇 中国
  • 112 篇 北美洲
  • 104 篇 日本
  • 88 篇 美利坚合众国
  • 81 篇 diabetes
  • 81 篇 方程
  • 80 篇 应用
  • 79 篇 cancer
  • 74 篇 acid
  • 71 篇 诊断

机构

  • 179 篇 同济医科大学附属...
  • 112 篇 北京大学
  • 109 篇 南京大学
  • 102 篇 香港理工大学
  • 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 ...
  • 67 篇 compas group ins...
  • 67 篇 rudolf peierls c...
  • 66 篇 national researc...
  • 66 篇 nstitucio catala...
  • 66 篇 department of ph...
  • 66 篇 school of physic...
  • 66 篇 清华大学
  • 65 篇 ludwig-maximilia...
  • 65 篇 cea/saclay dsm/i...

作者

  • 130 篇 叶鹏
  • 85 篇 h.murayama
  • 85 篇 j.d.jackson
  • 85 篇 g.d'ambrosio
  • 85 篇 m.white
  • 83 篇 p.de jong
  • 79 篇 v.i.belousov
  • 68 篇 v.burkert
  • 55 篇 kavli ipmu
  • 53 篇 h.wang
  • 52 篇 l.pape
  • 52 篇 china
  • 47 篇 y.hayato
  • 46 篇 王铮
  • 43 篇 a.v.gritsan
  • 37 篇 刘闯
  • 33 篇 刘莉
  • 30 篇 唐光健
  • 29 篇 md
  • 28 篇 m.greco

语言

  • 37,657 篇 中文
  • 22,628 篇 英文
  • 19 篇 其他
  • 1 篇 法文
检索条件"作者=md.h.raShID"
60326 条 记 录,以下是1-10 订阅
排序:
Chemically and biologically activated biochars slow down urea hydrolysis and improve nitrogen use efficiency
收藏 引用
Pedosphere 2023年 第4期33卷 659-669页
作者: Nazmul h.ANTOR Shamim MIA md.M.hASAN Nowrose J.LIPI Keiji JINDO Miguel A.SANChEZ-MONEDERO md.h.rashid Department of Agronomy Patuakhali Science and Technology UniversityDumkiPatuakhali 8602(Bangladesh) Agrosystems Research Groups Wageningen University and ResearchWageningen 6700 AA(The Netherlands) Department of Soil and Water Conservation and Organic Waste Management Spanish National Research Council(CEBAS-CSIC)Murcia 30100(Spain)
Biochar is considered a potential technology to enhance chemical fertilizer use efficiency through intensification of the interactions between nutrients and the functional groups on biochar ***,little is known about h... 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
Enhancing Telemarketing Success Using Ensemble-Based Online Machine Learning
收藏 引用
Big Data Mining and Analytics 2024年 第2期7卷 294-314页
作者: Shahriar Kaisar md Mamunur rashid Abdullahi Chowdhury Sakib Shahriar Shafin Joarder Kamruzzaman Abebe Diro Department of Information Systems and Business Analytics RMIT UniversityMelbourne 3000Australia School of Engineering and Technology Central Queensland UniversityRockhampton 4700Australia Faculty of Engineering Computer and Mathematical ScienceUniversity of AdelaideAdelaide 5005Australia Centre for Smart Analytics Federation University AustraliaBallarat 3350Australia School of Accounting Information Systems and Supply ChainRMIT UniversityMelbourne 3000Australia
Telemarketing is a well-established marketing approach to offering products and services to prospective *** effectiveness of such an approach,however,is highly dependent on the selection of the appropriate consumer ba... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Novel Investigation of Stochastic Fractional Differential Equations Measles Model via the White Noise and Global Derivative Operator Depending on Mittag-Leffler Kernel
收藏 引用
Computer Modeling in Engineering & Sciences 2024年 第6期139卷 2289-2327页
作者: Saima rashid Fahd Jarad Department of Mathematics Government College UniversityFaisalabad38000Pakistan Department of Natural Sciences School of Arts and SciencesLebanese American UniversityBeirut11022801Lebanon Department of Mathematics Faculty of Arts and ScienceÇnkaya UniversityAnkara06790Turkey Department of Medical Research China Medical UniversityTaichung40402TaiwanChina
Because of the features involved with their varied kernels,differential operators relying on convolution formulations have been acknowledged as effective mathematical resources for modeling real-world *** this paper,w... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
EDSUCh:A robust ensemble data summarization method for effective medical diagnosis
收藏 引用
Digital Communications and Networks 2024年 第1期10卷 182-189页
作者: Mohiuddin Ahmed A.N.M.Bazlur rashid School of Science Edith Cowan UniversityPerthAustralia
Identifying rare patterns for medical diagnosis is a challenging task due to heterogeneity and the volume of *** summarization can create a concise version of the original data that can be used for effective *** this ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Nodule Detection Using Local Binary Pattern Features to Enhance Diagnostic Decisions
收藏 引用
Computers, Materials & Continua 2024年 第3期78卷 3377-3390页
作者: Umar rashid Arfan Jaffar Muhammad rashid Mohammed S.Alshuhri Sheeraz Akram Faculty of Computer Science and Information Technology The Superior UniversityLahore54600Pakistan Intelligent Data Visual Computing Research(IDVCR) Lahore54600Pakistan Department of Computer Science National University of TechnologyIslamabad45000Pakistan Department of Radiological Sciences and Medical Imaging College of AppliedMedical SciencesPrince Sattam Bin Abdulaziz UniversityAl-Kharj16278Saudi Arabia Information Systems Department College of Computer and Information SciencesImam Mohammad Ibn Saud Islamic University(IMSIU)Riyadh12571Saudi Arabia
Pulmonary nodules are small, round, or oval-shaped growths on the lungs. They can be benign (noncancerous) or malignant (cancerous). The size of a nodule can range from a few millimeters to a few centimeters in diamet... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Relationship between Seed Priming Mediated Seedling Vigor and Yield Performance of Spring Wheat
收藏 引用
Phyton-International Journal of Experimental Botany 2024年 第6期93卷 1159-1177页
作者: md.Parvez Anwar Masuma Akhter Sharmin Aktar Sinthia Afsana Kheya A.K.M.Mominul Islam Sabina Yeasmin Ahmed Khairul hasan md.harun Or rashid Department of Agronomy Bangladesh Agricultural UniversityMymensingh2202Bangladesh
Seed priming is a pre-germinated technique that can enhance seed germination percentage,faster and synchro-nized germination,better seedling growth,and yield under stress *** ascertain the most effective seed priming ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
An Efficient Approach for Transforming Unbalanced Transportation Problems into Balanced Problems in Order to Find Optimal Solutions
收藏 引用
American Journal of Operations Research 2024年 第1期14卷 74-86页
作者: Abdur rashid md. Amirul Islam Department of Mathematics Jahangirnagar University Dhaka Bangladesh Department of Mathematics Uttara University Dhaka Bangladesh
In operations research, the transportation problem (TP) is among the earliest and most effective applications of the linear programming problem. Unbalanced transportation problems reflect the reality of supply chain a... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Development of a Novel Noise Reduction Algorithm for Smart Checkout RFID System in Retail Stores
收藏 引用
Computers, Materials & Continua 2024年 第7期80卷 1277-1304页
作者: Shazielya Shamsul Mohammed A.h.Ali Salwa hanim Abdul-rashid Atef M.Ghaleb Fahad M.Alqahtani Department of Mechanical Engineering Faculty of EngineeringUniversiti MalayaKuala Lumpur50603Malaysia Centre for Sustainable and Smart Manufacturing(CSSM) Faculty of EngineeringUniversiti MalayaKuala Lumpur50603Malaysia Department of Industrial Engineering College of EngineeringAlfaisal UniversityRiyadh11533Saudi Arabia Department of Industrial Engineering College of EngineeringKing Saud UniversityP.O.Box 800Riyadh11421Saudi Arabia
This paper presents a smart checkout system designed to mitigate the issues of noise and errors present in the existing barcode and RFID-based systems used at retail stores’checkout *** is achieved by integrating a n... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Tumor deposits in axillary adipose tissue in patients with breast cancer:Do they matter?
收藏 引用
World Journal of Clinical Cases 2024年 第6期12卷 1045-1049页
作者: Muhammed Mubarak Rahma rashid Shaheera Shakeel Department of histopathology Sindh Institute of Urology and TransplantationKarachi 74200SindhPakistan
Tumor deposits(TDs)are defined as discrete,irregular clusters of tumor cells lying in the soft tissue adjacent to but separate from the primary tumor,and are usually found in the lymphatic drainage area of the primary... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Modeling the dynamical behavior of the interaction of T-cells and human immunodeficiency virus with saturated incidence
收藏 引用
Communications in Theoretical Physics 2024年 第3期76卷 1-14页
作者: Salah Boulaaras rashid Jan Amin Khan Ali Allahem Imtiaz Ahmad Salma Bahramand Department of Mathematics College of ScienceQassim UniversityBuraydah51452Saudi Arabia Institute of Energy Infrastructure(IEI) Department of Civil EngineeringCollege of EngineeringUniversiti Tenaga Nasional(UNITEN)Putrajaya CampusJalan IKRAM-UNITEN43000 KajangSelangorMalaysia Department of Mathematics University of SwabiSwabi 23561Pakistan Department of Mathematics College of SciencesQassim UniversitySaudi Arabia Institute of Informatics and Computing in Energy(IICE) Universiti Tenaga NasionalKajangSelangorMalaysia Department of Political Science Bacha Khan University CharsaddaCharsadda 24420KPK Pakistan
In the last forty years,the rise of hIV has undoubtedly become a major concern in the field of public health,imposing significant economic burdens on affected ***,it becomes imperative to undertake comprehensive inves... 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