Browsing Qatar University Institutional Repository by Title
Now showing items 30-49 of 27413
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3-D Stochastic Geometry-Based Modeling and Performance Analysis of Efficient Security Enhancement Scheme for IoT Systems
( Institute of Electrical and Electronics Engineers Inc. , 2022 , Article)Internet of Things (IoT) systems are becoming core building blocks for different services and applications supporting every day's life. The heterogeneous nature of IoT devices and the complex use scenarios make it hard to ... -
A 3-Year Longitudinal Study of Effects of Parental Feeding Practices on Child Weight Status: The Childhood Obesity Study in China Mega-Cities
( MDPI , 2022 , Article)This study examined the longitudinal associations between parental feeding practices and child weight status, and their potential modification effects by child sex, age, and maternal and paternal educations among children. ... -
300 يوم من الدسائس والغدر (1-2)
( جريدة الشرق , 2018 , Article)منذ بدء الحصار وقطر قيادة وشعبا ً كالجسد الواحد تجاه الطامعين فيها الحصار جعل الذي يحاصرنا اليوم هو المحاصر وعلى الباغي تدور الدوائر أصبحت قطر حكومةً وشعباً ، مواطنين ومقيمين ، أكثر قوة وتماسكاً بعد بدء الحصار الظالم ... -
300 يوم من الدسائس والغدر (2-2)
( جريدة الشرق , 2018 , Article)دروس وعبر استفدناها من هذه الأزمة المفتعلة ودول الحصار أكبر الخاسرين مبادرة أمير الكويت تهدف لتوحيد البيت الخليجي ولم الشمل من جديد على مدى الشهور العشرة الماضية سعى الشيخ صباح الأحمد أمير دولة الكويت الشقيقة إلى لم الشمل ... -
3D and 4D printing of polymer nanocomposite materials: Processes, applications, and challenges
( Elsevier , 2019 , Book)3D and 4D Printing of Polymer Nanocomposite Materials: Processing, Applications, and Challenges covers advanced 3D and 4D printing processes and the latest developments in novel polymer-based printing materials, thus ... -
3D architectures of titania nanotubes and graphene with efficient nanosynergy for supercapacitors
( Elsevier Ltd , 2017 , Article)One dimensional titanium dioxide nanotubes (titania nanotubes or TNT) are grown on the surface of two dimensional graphene sheets by hydrothermal method so that desirable out of plane properties are obtained in the final ... -
3D Beamforming Based on Deep Learning for Secure Communication in 5G and beyond Wireless Networks
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Conference Paper)Three-dimensional (3D) beamforming is a potential technique to enhance communication security of new generation networks such as 5G and beyond. However, it is difficult to achieve optimal beamforming due to the challenges ... -
3D Beamforming with Massive Cylindrical Arrays for Physical Layer Secure Data Transmission
( Institute of Electrical and Electronics Engineers Inc. , 2019 , Article)In this letter, a novel approach for physical layer security is implemented using massive cylindrical antenna arrays. A part of the arrays is used for transmitting a signal reliably from source to destination using highly ... -
3D Bioprinted cancer models: Revolutionizing personalized cancer therapy
( Neoplasia Press, Inc. , 2021 , Article)After cardiovascular disease, cancer is the leading cause of death worldwide with devastating health and economic consequences, particularly in developing countries. Inter-patient variations in anti-cancer drug responses ... -
3D bioprinting of engineered breast cancer constructs for personalized and targeted cancer therapy
( Elsevier B.V. , 2021 , Article)The bioprinting technique with specialized tissue production allows the study of biological, physiological, and behavioral changes of cancerous and non-cancerous tissues in response to pharmacological compounds in personalized ... -
3D capture techniques for BIM enabled LCM
( Springer New York LLC , 2016 , Conference Paper)As a special kind of Product Life cyle Management (PLM), Building Life cycle Management (BLM) is a centric activity for facility owners and managers. This fact motivates the adoption of Building Information Modeling (BIM) ... -
3D characterization of sand particle-to-particle contact and morphology
( Elsevier Ltd , 2016 , Article)Particle morphology, orientation, and contact configuration play a significant role in the engineering properties of granular materials. Accurate three-dimensional (3D) characterization of these parameters for experiments ... -
3D culture of cancer cells in alginate hydrogel beads as an effective technique for emergency cell storage and transportation in the pandemic era
( Wiley , 2021 , Article)Due to the restrictions in access to research lab during the pandemic time and due to existence of challenges in providing proper storage and transportation of cells in developing countries, having an effective and feasible ... -
3D dynamic displacement-field measurement for structural health monitoring using inexpensive RGB-D based sensor
( Institute of Physics Publishing , 2017 , Article)The advent of inexpensive digital cameras with depth sensing capabilities (RGB-D cameras) has opened the door to numerous useful applications that need quantitative measures of dynamic fields whose simultaneous time history ... -
3D GIS Interactive Visualization of the Archaeological Sites in Qatar for Research and Learning
( International Association of Online Engineering , 2022 , Article)This work provides a proficient approach to coordinate archeological exercises, information administration, digital object representation, and spatial investigation. The proposed framework furnishes the client with the ... -
3D hydrogel/ bioactive glass scaffolds in bone tissue engineering: Status and future opportunities
( Elsevier , 2023 , Article Review)Repairing significant bone defects remains a critical challenge, raising the clinical demand to design novel bone biomaterials that incorporate osteogenic and angiogenic properties to support the regeneration of vascularized ... -
3D Interconnected Mesoporous Alumina with Loaded Hemoglobin as a Highly Active Electrochemical Biosensor for H<inf>2</inf>O<inf>2</inf>
( Wiley-VCH Verlag , 2018 , Article)© 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim Alumina is one of the most common and stable metal oxides in nature, which has been developed as a novel adsorbent in enrichment of biomolecules due to its excellent ... -
3D measurements of hydrate surface area during hydrate dissociation in porous media using dynamic 3D imaging
( Elsevier , 2020 , Article)A better understanding of the kinetics of hydrate dissociation is essential to reliably predict gas production potential from natural hydrate reservoirs. Most hydrate dissociation models assume hydrates to be a constant ... -
3D numerical modelling and analysis of a magnetorheological elastomer (MRE)
( EXTRICA , 2020 , Article)Magneto rheological elastomer (MRE) is a smart material consists of a polymer matrix embedded micro/nano-sized magnetic particles. Its mechanical properties are altered by external magnetic fields. In this article, a ... -
3D point cloud enhancement using unsupervised anomaly detection
( Institute of Electrical and Electronics Engineers Inc. (IEEE) , 2019 , Conference Paper)3D point cloud is increasingly getting attention for perceiving 3D environment which is needed in many emerging applications. This data structure is challenging due to its characteristics and the limitation of the acquisition ...
