Browsing Qatar University Institutional Repository by Title
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D oes the moon cycle affect the physical endurance, balance, reaction-time, mood state and well-being in trained athletes?
( Edizioni Minerva Medica , 2020 , Article)BACKGROUND: Fascination with the moon has spanned millennia. It has recently been asserted that the moon cycle affects endurance performance in untrained individuals. The present study aimed at investigating the effects ... -
D-Dimer Concentrations and COVID-19 Severity: A Systematic Review and Meta-Analysis
( Frontiers Media , 2020 , Article Review)Coronavirus disease 2019 (COVID-19) is a recently described infectious disease caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Since late 2019, COVID-19 has rapidly spread in virtually all countries, ... -
D2D-V2X-SDN: Taxonomy and Architecture towards 5G Mobile Communication System
( IEEE , 2021 , Article)In the era of information society and 5G networks, cars are extremely important mobile information carriers. In order to meet the needs of multi-scenario business requirements such as vehicle assisted driving and in-vehicle ... -
D2DLive: Iterative live video streaming algorithm for D2D networks
( Elsevier , 2023 , Article)Smart healthcare system incorporates new technologies making healthcare more efficient and more convenient. Virtual consultations provide interactions with healthcare professionals via video technology, which lessens the ... -
DAGIoV: A Framework for Vehicle to Vehicle Communication Using Directed Acyclic Graph and Game Theory
( Institute of Electrical and Electronics Engineers Inc. , 2020 , Article)Data sharing and content offloading among vehicles is an imperative part of the Internet of Vehicles (IoV). A peer-to-peer connection among vehicles in a distributed manner is a highly promising solution for fast communication ... -
Daily heavy and binge vaping is associated with higher alcohol and cannabis co-use
( Taylor and Francis , 2023 , Article)The associations between vaping in young people and alcohol and cannabis co-use remain understudied. The current study examined the effect of vaping frequency on past 30-day alcohol and cannabis use. Using an online survey, ... -
Daily-seasonal operation in net-zero energy building powered by hybrid renewable energies and hydrogen storage systems
( Elsevier Ltd , 2019 , Article)The net-zero energy buildings are often supplied by renewable resources and energy storage systems. These energy resources have different seasonal and daily patterns of power production. Their output power is also uncertain. ... -
Dairy Cow Rumination Detection: A Deep Learning Approach
( Springer Science and Business Media Deutschland GmbH , 2020 , Conference Paper)Cattle activity is an essential index for monitoring health and welfare of the ruminants. Thus, changes in the livestock behavior are a critical indicator for early detection and prevention of several diseases. Rumination ... -
Dairy Farm Management Information Systems
( MDPI , 2022 , Article)Nowadays, different types of farm management information systems (FMIS) are being used in practice in several sectors of farming, such as dairy, arable, fruits, vegetables, and meat farming. The goal of this research is ... -
Damage detection using enhanced multivariate statistical process control technique
( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference Paper)This paper addresses the problem of damage detection technique of structural health monitoring (SHM). Kernel principal components analysis (KPCA)-based generalized likelihood ratio (GLR) technique is developed to enhance ... -
Damping and vibration response of viscoelastic smart sandwich plate reinforced with non-uniform Graphene platelet with magnetorheological fluid core
( Techno Press , 2019 , Article)This study considers the instability behavior of sandwich plates considering magnetorheological (MR) fluid core and piezoelectric reinforced facesheets. As facesheets at the top and bottom of structure have piezoelectric ... -
Dangerous anthropogenic climate change. Are we closer than we think? A 2016 update
( Hamad bin Khalifa University Press (HBKU Press) , 2014 , Conference Paper)In this presentation, I will outline the fundamentals of climate change science with respect to 'real-world' climate observations, and evidence from the Earth's paleoclimate (climate history) record. In particular, I will ... -
Dark soliton scattering in symmetric and asymmetric double potential barriers
( Elsevier B.V. , 2017 , Article)Motivated by the recent theoretical study of (bright) soliton diode effects in systems with multiple scatterers, as well as by experimental investigations of soliton-impurity interactions, we consider some prototypical ... -
Dark solitons near potential and nonlinearity steps
( American Physical Society , 2016 , Article)We study dark solitons near potential and nonlinearity steps and combinations thereof, forming rectangular barriers. This setting is relevant to the contexts of atomic Bose-Einstein condensates (where such steps can be ... -
Dark Triad Traits, Social Position, and Personality: A Cross-Cultural Study
( SAGE Publications Inc. , 2022 , Article)This research explores the Dark Triad traits in 18 cultures from Europe, America, Africa, and Asia. We examined the relationships among Dark Triad traits, as measured by the SD3, with gender, age, social status, and two ... -
Dark-Fenton oxidative degradation of methylene blue and acid blue 29 dyes using sulfuric acid-activated slag of the steel-making process
( Elsevier Ltd , 2021 , Article)The pollution of water by effluents from dye industries is a widely established environmental and health problem that requires new insights and urgent attention. In this study, methylene blue (MB) and acid blue 29 (AB29) ... -
DART: A large dataset of dialectal Arabic tweets
( European Language Resources Association (ELRA) , 2019 , Conference Paper)In this paper, we present a new large manually-annotated multi-dialect dataset of Arabic tweets that is publicly available. The Dialectal ARabic Tweets (DART) dataset has about 25K tweets that are annotated via crowdsourcing ... -
Darunavir-Cobicistat versus Lopinavir-Ritonavir for COVID-19 Pneumonia: Qatar's Experience
( Hamad bin Khalifa University Press (HBKU Press) , 2022 , Article)Background: Coronavirus Disease 2019 (COVID-19) was first discovered in China and resulted in a pandemic crisis. 1,2 Many agents were investigated with inconclusive outcomes. 3 This study was conducted to compare the ... -
Darunavir-cobicistat versus lopinavir-ritonavir in the treatment of COVID-19 infection (DOLCI): A multicenter observational study
( Public Library of Science , 2022 , Article)Background Coronavirus Disease 2019 (COVID-19) is an evolving pandemic that urged the need to investigate various antiviral therapies. This study was conducted to compare efficacy and safety outcomes of darunavir-cobicistat ... -
Dasatinib and PD-L1 inhibitors provoke toxicity and inhibit angiogenesis in the embryo
( Elsevier , 2021 , Article)Dasatinib is a targeted cancer therapy, while programmed death ligand 1 (PD-L1) inhibitors are a form of immune checkpoint therapy used to treat various types of cancers. Several studies showed the potential efficacy of ...
