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Now showing items 16641-16650 of 17263
Academic self-concept and its relationship to academic achievement among university students.
(2022 , Article)
This research sought to study the academic self-concept and the relationship between the academic self-concept and students’ academic achievement among university Qatari students. Research of the academic self-concept is ...
Unveiling a Biomarker Signature of Meningioma: The Need for a Panel of Genomic, Epigenetic, Proteomic, and RNA Biomarkers to Advance Diagnosis and Prognosis
(
MDPI
, 2023 , Article Review)
Meningiomas are the most prevalent primary intracranial tumors. The majority are benign but can undergo dedifferentiation into advanced grades classified by World Health Organization (WHO) into Grades 1 to 3. Meningiomas’ ...
Microstructure and mechanical behavior of hot extruded aluminum/tin-bismuth composites produced by powder metallurgy
(
MDPI AG
, 2020 , Article)
In this study, Al-BiSn composites were synthesized by a combination of microwave sintering and hot extrusion processes. The structural, morphological, mechanical, and thermal properties were investigated to elucidate the ...
Combined direct oxy-combustion and concentrated solar supercritical carbon dioxide power system—Thermo, exergoeconomic, and quadruple optimization analyses
(
Hindawi
, 2022 , Article)
For the global future energy systems, concentrated solar power (CSP) and direct CO2 capture systems are of the most important key technologies, however, each of these systems has shortcomings. This study addresses the solar ...
The Impact of ACE Gene Variants on Acute-Phase Reactants in Children with Rheumatic Heart Disease
(
MDPI
, 2023 , Article)
Rheumatic heart disease (RHD) is the most important sequela of upper respiratory group A Streptococcus (GAS) infection. The role of the common angiotensin-converting enzyme (ACE) insertion/deletion (I/D) variant in the ...
Dorm augmented college assignments
(
Springer Science and Business Media Deutschland GmbH
, 2024 , Article)
In college assignments, a common practice is that students receive their dorm allocation after the realization of college placements. This causes wasted resources and unfair allocation. To fix this, we consider a college ...
Building a Local Sport Identity: The World Cup and its implications on community sports in Qatar and Saudi Arabia
(
Gulf Studies center - College of Arts & Sciences - Qatar University
, 2022 , Conference Paper)
The FIFA World Cup 2022 in Qatar has resulted in more engagement in Qatar to promote local and domestic sport on different levels. Driven by the overarching goal to enhance and improve physical activities among the Qatari ...
A hybrid piezoelectric-electromagnetic energy harvester from vortex-induced vibrations in fluid-flow; the influence of boundary condition in tuning the harvester
(
Elsevier
, 2022 , Article)
In this paper, a hybrid piezoelectric-electromagnetic energy harvester is proposed to harvest energy from fluid flow around a bluff-body using vortex-induced vibration (VIV). The hybrid piezoelectric-electromagnetic harvester ...
Adaptive Electromagnetic Vibration Absorber for a Multimode Structure
(
Assoc. of Mechanical Eng. and Technicians of Slovenia
, 2022 , Article)
All structures experience vibrations due to external dynamic force excitations, such as earthquakes and wind loadings. At resonance, the impact of this natural dynamic force on structures may lead to structural failures. ...
Energy harvesting from railway slab-tracks with continuous slabs
(
SAGE Publications Inc.
, 2023 , Article)
This paper contributes to the literature and development of knowledge in the topic of energy harvesting by presenting the modelling and calculations of energy from vibration of railway tracks due to moving trains on ...