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السجلات المعروضة 91 -- 100 من 137
WorldView-3 mapping of Tarmat deposits of the Ras Rakan Island, Northern Coast of Qatar: Environmental perspective
(
Elsevier
, 2021 , Article)
This study characterizes the spectral behavior of tarmats and maps the tarmat deposits found along the coast of Ras Rakan Island off Qatar using WorldView-3 (WV-3) sensor data. The laboratory spectra of tar materials showed ...
Student teachers’ agency in the transition to emergency online learning
(2021 , Article)
This study was conducted during the transition to emergency online learning, imposed by the spread of a worldwide pandemic known as COVID-19. The study aimed to examine the factors that influenced student agency during ...
Comparison GIS-Based interpolation methods for mapping groundwater quality in the state of Qatar
(
Elsevier B.V.
, 2021 , Article)
Groundwater (GW) quality deterioration is one of the main water security issues in Qatar. GW in Qatar is over-exploited for agriculture activities that caused saltwater intrusion in the coastal areas and some inland GW. ...
Satellite mapping and stabilization of the aeolian deposits of QAFCO site 5/6
(
Qatar University Press
, 2021 , Poster)
Aeolian processes produce vast areas of sand and dunes in the arid region and need monitoring since they are encroaching land and degrading infrastructures. In this study, we used the satellite data of ASTER and mineral ...
Development of Biosurfactants from Indigenous Hydrocarbon-Degrading Bacteria for Enhancing Remediation of Weathered Oily-Soils and Oil Recovery in Qatar
(2021 , Master Thesis)
Bacterial strains were isolated from highly weathered oil-contaminated sites,
identified, and differentiated based on their gene expression with the use of matrix assisted laser desorption ionization-time of flight mass ...
Incidence, Risk Factors, and Outcomes of Preterm and Early Term Births: A Population-Based Register Study
(
MDPI
, 2021 , Article)
Preterm birth (PTB) and early term birth (ETB) are associated with high risks of perinatal mortality and morbidity. While extreme to very PTBs have been extensively studied, studies on infants born at later stages of ...
Assemblage of encrusting organisms on floating marine debris along the west coast of Qatar
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Qatar University Press
, 2021 , Poster)
The floating marine debris (FMD) and the associated rafting communities are one of the major stressors to ecosystem services, global biodiversity, economy, and human health. In this study, assemblages of encrusting organisms ...
Prevalence, Risk Factors, Harm Perception, and Attitudes Toward E-cigarette Use Among University Students in Qatar: A Cross-Sectional Study.
(
Frontiers Media
, 2021 , Article)
Electronic cigarette (e-cigarette) use is becoming more popular worldwide, especially among youth. Studies report that university students have inadequate knowledge as well as misconceptions about the health risks of ...
Predictors of job performance in Qatar labor market: a micro-level model
(
Emerald
, 2021 , Article)
Purpose: The purpose of this paper is to address the factors influencing the performance and productivity of Qatari citizens in organizational settings, with specific aims to maintain a high-quality performance standard ...
Broadcasting and national identity construction in Qatar: The case of Al-Rayyan TV
(
Intellect Publishers of Original Thinking
, 2021 , Article)
This research sought to study the contents of Al-Rayyan TV programmes and their relationship to the construction of national identity in Qatar, a task this channel has taken as an editorial line since its inception in 2012. ...