Browsing Academic by Title
Now showing items 2403-2422 of 27588
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Arbutus andrachne L. Reverses Sleep Deprivation-Induced Memory Impairments in Rats
( Humana Press Inc. , 2018 , Article)Sleep deprivation (SD) is associated with cognitive deficits. It was found to affect the hippocampus region of the brain by impairing memory formation. This impairment is suggested to be caused by elevation in oxidative ... -
Arching in granular soils: Experimental observations of deformation mechanisms
( ICE Publishing , 2021 , Article)Understanding soil arching is an important component of predicting soil behaviour in cases such as the progressive displacements above sinkholes and when predicting loads on buried structures, where the expected deformation ... -
Arching in granular soils: Limit state equilibrium
( ICE Publishing , 2021 , Article)One of the most critical assumptions in the application of arching theory is an accurate estimate of the coefficient of lateral stress, K, used to relate vertical and horizontal stresses on the assumed failure plane. ... -
Architecture of Viral RNA Helicases; HCV Helicase as Antiviral Target
(2018 , Article Review)Around 80% of known viruses comprise of RNA and its specific RNA helicases that are vital for most RNA metabolism includingpre-mRNA splicing, translation,initiation, and ribosome biogenesis. The viral helicases are crucial ... -
ArCov-19: The First Arabic COVID-19 Twitter Database with Propagation Networks
( Cornel University , 2020 , Article & Video)In this paper, we present ArCOV-19, an Arabic COVID-19 Twitter dataset that covers the period from 27th of January till 31st of March 2020. ArCOV-19 is the first publicly-available Arabic Twitter dataset covering COVID-19 ... -
ArCOV19-Rumors: Arabic COVID-19 Twitter Dataset for Misinformation Detection
( Association for Computational Linguistics (ACL) , 2021 , Conference Paper)In this paper we introduce ArCOV19-Rumors, an Arabic COVID-19 Twitter dataset for misinformation detection composed of tweets containing claims from 27th January till the end of April 2020. We collected 138 verified claims, ... -
ARCS-based tactics to improve students' motivation in computer programming course
( IEEE , 2015 , Conference Paper)Most students find computer programming difficult subject, which frustrates them and affects their performance. In this paper, we present our experience of using ARCS model to improve students' motivation when learning ... -
Arcsine-based transformations for meta-analysis of proportions: Pros, cons, and alternatives
( Wiley Open Access , 2020 , Article)© 2020 The Authors. Health Science Reports published by Wiley Periodicals LLC. Meta-analyses have been increasingly used to synthesize proportions (eg, disease prevalence) from multiple studies in recent years. Arcsine-based ... -
Are advertising policies affirmative in restricting the marketing of foods high in fat, salt and sugar (HFSS) in India?: Evidence from SWOT Analysis
( Elsevier , 2023 , Article)The regulatory Indian environment for advertising high fat, salt, and sugar (HFSS) foods and non-alcoholic beverages, on various media was reviewed. Identified national-level policies were categorised as mandatory or ... -
Are Blood Pressure Devices Available in Qatar Community Pharmacies Validated For Accuracy?
( Qatar University Press , 2021 , Poster)Research purpose: Hypertension is a leading cause of cardiovascular morbidity and mortality in Qatar. Community pharmacist-managed home blood pressure monitoring (HBPM) services have been shown to provide better control ... -
Are donor funds used effectively? An examination of Islamic and conventional microfinance institutions
( Emerald Publishing , 2023 , Article)Purpose This study aims to compare the nexus between donations to Islamic and conventional microfinance institutions (MFIs) and their credit risk, financial performance and social outreach. Design/methodology/approach The ... -
Are enterprises ready for big data analytics? A survey-based approach
( Inderscience Publishers , 2017 , Article)Big data analytics is a fascinating topic in the field of computer science and information systems as it challenges fundamental aspects of computation. The aim of this study is to investigate the acceptance and usage of ... -
Are Investors Concerned with Stock Market Upgrades? Evidence from Multivariate Framework Analysis
( Routledge , 2017 , Article)This study aims to examine the return and volatility responses to the announcement of stock market upgrades. It measures the direct effects of the recent Morgan Stanley Capital International (MSCI) upgrade of the Qatar, ... -
Are mangroves in arid environments isolated systems? Life-history and evidence of dietary contribution from inwelling in a mangrove-resident shrimp species
( Elsevier , 2013 , Article)The Arabian Gulf represents one of the more northerly extremes of mangrove distribution in the Indo-Pacific, and is populated only by Avicennia marina, due to its tolerance of high salinity and wide temperature extremes. ... -
Are MENA and Pacific Basin Stock Equity Markets Predictable?
( SAGE publications , 2014 , Article)This research uses variance ratio analysis to test whether Middle Eastern, North African (MENA) and Pacific Basin emerging equity markets follow a martingale behavior during the period1980-2004. The conventional Lo and ... -
Are millennials in Qatar making m-commerce the future of online shopping?
( Inderscience Publishers , 2023 , Article)The emergence of mobile commerce has revolutionised consumers’ buying behaviour, particularly among millennials known to be the key driver of the on-demand economy. This study explored the online purchasing behaviour of ... -
Are offshore platforms a good candidate to restore functional diversity of reef fish communities in the Arabian Gulf?
( Elsevier B.V. , 2023 , Article)Human-made structures are ubiquitous in the marine realm. Complex structures such as oil and gas platforms may constitute a suitable habitat for species in areas where natural reefs have been highly degraded by coastal ... -
Are Professional Drivers more Aggressive than General Drivers? A Case Study from Doha, Qatar
( Elsevier B.V. , 2022 , Conference Paper)Previous studies have revealed that aggressive and reckless driving can largely affect the occurrence and severity of road crashes. There could be intentional aggressive and unsafe acts, which could significantly affect ... -
Are shocks on the returns and volatility of cryptocurrencies really persistent?
( Elsevier Ltd , 2019 , Article)This letter questions the true nature (true versus spurious) of the Long Range Dependence (LRD) behavior observed in the returns and volatility series of four Cryptocurrencies (CC). Using a robust approach, this letter ... -
Are submarine groundwater discharges affecting the structure and physiological status of rocky intertidal communities?
( Elsevier Ltd , 2018 , Article)This study evaluated the impacts of submarine groundwater discharges (SGD) on a rocky intertidal community of South Portugal, during April–November 2011. Chlorophyll-a concentration was higher at the SGD site in respect ...