تصفح Academic حسب العنوان
السجلات المعروضة 19831 -- 19850 من 26387
-
Structural and Thematic Coherence in Qur’ānic Sūrahs (Taswīr ): A New Domain in Qur’ānic inimitability (Sūrat Al-Nisā’ as a model)
( Qatar University Press , 2022 , Article)Objectives: This study seeks to provide evidence for new aspects of the Qur’ānic eternal challenge, so as to offer humanity new insights unto the contemplation (tadabbur) of the structure and the meaning of the Qur’ān ... -
Structural Changes in Global Oil Markets and Implications for Middle East Resource-Rich Countries
( Gulf Studies center - College of Arts & Sciences - Qatar University , 2019 , Conference Paper)The purpose of this paper is to identify the major shifts in global oil supply and demand dynamics and assess the implications for resource-rich Middle East countries with special focus on GCC. It is argued that ... -
Structural Damage Detection in Civil Engineering with Machine Learning: Current State of the Art
( Springer , 2022 , Conference Paper)This paper presents a brief overview of vibration-based structural damage detection studies that are based on machine learning (ML) in civil engineering structures. The review includes both parametric and nonparametric ... -
Structural damage detection in real time: Implementation of 1D convolutional neural networks for SHM applications
( Springer , 2017 , Conference Paper)Most of the classical structural damage detection systems involve two processes, feature extraction and feature classification. Usually, the feature extraction process requires large computational effort which prevent the ... -
Structural Design Of Arch Profile And Depth — A Computer-Aided Study
( Qatar University , 1991 , Article)This paper presents a comparative study of some of the best known and widely used arch profiles, in an endeavour to investigating their structural performance and to determining optimum arch form and depth. Arch profiles ... -
Structural Determination of the Broadly Reactive Anti-IGHV1-69 Anti-idiotypic Antibody G6 and Its Idiotope
( Elsevier (Cell Press) , 2017 , Article)The heavy chain IGHV1-69 germline gene exhibits a high level of polymorphism and shows biased use in protective antibody (Ab) responses to infections and vaccines. It is also highly expressed in several B cell malignancies ... -
Structural Efficiency of Steel Stiffening Deck Systems in Suspension Bridges Due to Gravity Loads
( Qatar Univesrity Press , 2020 , Conference Paper)In this paper, suspended stiffened decks in suspension bridges are considered. Three steel deck-stiffening systems are compared structurally; the plate girder, the box girder and the stiffening truss. A three-span continuous ... -
Structural Elements And Formation Parameters For Some Lower Cretaceous Sequences In The Western Desert, Egypt
( Qatar University , 1987 , Article)The Lower Cretaceous sequences in the northern part of the Western Desert has been penetrated by many of drilled bore—holes adopted by different oil companies. It was encountered at depths ranging from 1200 to 3500 m. The ... -
A Structural Equation Model of Perceived University Image In Qatar: Student Perspective
( IAEME Publication , 2020 , Article)The aim of this research is to examine the factors that influence student perceptions of the image of Qatar’s national university, Qatar University. The study is constructed on related research on perceptions of ... -
Structural equation modeling of public transport use with COVID-19 precautions: An extension of the norm activation model
( Elsevier , 2021 , Article)This study aims to identify the travelers' attitudes and preferences towards the use of public transport during COVID-19 through the Norm-Activation Model (NAM). A questionnaire survey was designed to assess the traveler's ... -
Structural evaluation, preliminary in vitro stability and electrochemical behavior of apatite coatings on Ti6Al4V substrates
( Elsevier Ltd , 2016 , Article)Medical-grade alloys, such as Ti-6Al-4V, have been used for fixation of fractured bone and for the total replacement of defective bone. Their bioactivity could be improved by applying a bone-like apatite layer onto their ... -
Structural health monitoring installation scheme using utility computing model
( Institute of Electrical and Electronics Engineers Inc. , 2018 , Conference Paper)In view of intensified disasters and fatalities caused by natural phenomena, there is a pressing need for an efficient environment logging that provides structural information to administrators for a better management and ... -
Structural Health Monitoring Using Wireless Sensor Networks: A Comprehensive Survey
( Institute of Electrical and Electronics Engineers Inc. , 2017 , Article)Structural health monitoring (SHM) using wireless sensor networks (WSNs) has gained research interest due to its ability to reduce the costs associated with the installation and maintenance of SHM systems. SHM systems have ... -
Structural health monitoring with self-organizing maps and artificial neural networks
( Springer New York LLC , 2020 , Conference Paper)The use of self-organizing maps and artificial neural networks for structural health monitoring is presented in this paper. The authors recently developed a nonparametric structural damage detection algorithm for extracting ... -
Structural influence of chromium substituted magnetite ferrofluids on the optical and antibacterial characteristics
( Elsevier Ltd , 2023 , Article)A series of chromium substituted magnetite (CrxFe1?xFe2O4) ferrofluids with various concentrations ranging from x = 0-0.8 is reported in this work. Simple, cost effective and gentle co-precipitation method is followed for ... -
Structural modeling of p.V31F variant in the aspartoacylase gene.
( Springer Verlag , 2016 , Article)Aspartoacylase (ASPA) is an abundant enzyme in the brain, which catalyzes the conversion of N-acetylaspartate into acetate and aspartate, deficiency in its activity leads to degeneration of the white matter of the brain ... -
Structural performance and moment redistribution of basalt FRC continuous beams reinforced with basalt FRP bars
( Elsevier , 2021 , Article)This study investigated the structural performance and moment redistribution of basalt fiber reinforced concrete (BFRC) continuous beams reinforced with basalt fiber reinforced polymers (BFRP) bars. A total of 10 reinforced ... -
Structural properties of rice husk and its polymer matrix composites: An overview
( Elsevier Inc. , 2017 , Book chapter)There has been enormous interest in natural fiber application as reinforcing filler due to the interests in renewable raw materials and more environmentally friendly and sustainable resources. Rice husk (RH), a natural ... -
Structural properties, crystal quality and growth modes of MOCVD-grown AlN with TMAl pretreatment of sapphire substrate
( Institute of Physics Publishing , 2017 , Article)The growth of high quality AlN epitaxial films relies on precise control of the initial growth stages. In this work, we examined the influence of the trimethylaluminum (TMAl) pretreatment of sapphire substrates on the ... -
Structural studies of bio-mediated NiO nanoparticles for photocatalytic and antibacterial activities
( Elsevier B.V. , 2020 , Article)Nickel Oxide (NiO) nano-sized sample was bio-synthesized by a microwave-assisted route consuming citrus variety fruit juice. The prepared NiO sample was investigated by various spectroscopy techniques. The X-ray diffractogram ...
