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Decreased number of acute appendicitis cases in pediatric population during the COVID-19 pandemic: Any link?
Published 2020“…The reasons behind the decrease in AA frequency during the COVID-19 pandemic remain unclear. …”
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Quality improvement can decrease blood delivery turnaround time: Evidence from a single tertiary-care academic medical center
Published 2018“…The transport time significantly decreased from an initial majority of > 15 mins duration, to a majority of < 15 mins transport time after the second audit; there was a 50% improvement in 30 mins response time; and the percentage of requests processed in < 10 mins were significantly higher after the second audit. …”
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The Impact of COVID-19 on Physical (In)Activity Behavior in 10 Arab Countries
Published 2022“…This study aimed to assess the impact of COVID-19 on physical (in)activity behavior in 10 Arab countries before and during the lockdown. …”
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Follow up and comparative assessment of IgG, IgA, and neutralizing antibody responses to SARS-CoV-2 between mRNA-vaccinated naïve and unvaccinated naturally infected individuals ov...
Published 2023“…At the 7th month, there was a significant decline in antibody responses among VN individuals, but not NI individuals, with a minimum decrease of 3.7-fold (p < 0.001). …”
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Follow up and comparative assessment of IgG, IgA, and neutralizing antibody responses to SARS-CoV-2 between mRNA-vaccinated naïve and unvaccinated naturally infected individuals ov...
Published 2023“…At the 7th month, there was a significant decline in antibody responses among VN individuals, but not NI individuals, with a minimum decrease of 3.7-fold (p < 0.001). …”
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Investigation of solar PV performance under Doha weather using a customized measurement and monitoring system
Published 2016“…This would suggest cleaning needs and advise on cleaning frequencies of PV panels.…”
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Towards understanding the effects of climatic and environmental factors on solar PV performance in arid desert regions (Qatar) for various PV technologies
Published 2012“…It was estimated that 100 days of dust accumulation over mono-crystalline PV panels, caused the efficiency to decrease by around 10%. …”
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Effects of environmental and climatic conditions on PV efficiency in qatar
Published 2013“…It was estimated that 100 days of dust accumulation over Mono-crystalline PV panels, caused the efficiency to decrease by 10%. …”
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Quantification of pv power and economic losses due to soiling in Qatar
Published 2021“…The power and economic loss that would result from this power reduction for Qatar’s ongoing solar PV projects has also been estimated. For example, for the Al-Kharasaah project power plant, similar soiling loss would result in about a 10% power decrease after six months for typical ranges of dust density in Qatar’s environment; this, in turn, would result in an 11,000 QAR/h financial loss. …”
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EV impact on the residential distribution network with smart PV inverters
Published 2020“…Varying the inverter to PV ratio for smart operation from (1.1) to (2) further decreases the system losses. …”
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