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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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A new family of boost active neutral point clamped inverter topology with reduced switch count
Published 2021“…Moreover, no sensors are needed to stabilize the floating condenser for the proposed topology, which minimizes inverter complexities. The neutral point is connected directly to the load terminals, which decreases the leakage current and makes it suitable for solar PV integration. …”
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Turning point in COVID-19 severity and fatality during the pandemic: a national cohort study in Qatar
Published 2023“…Conclusion The conclusion of the first omicron wave was a turning point in the severity of the pandemic. …”
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Quantification of pv power and economic losses due to soiling in Qatar
Published 2021“…Soiling losses of photovoltaic (PV) panels due to dust lead to a significant decrease in solar energy yield and result in economic losses; this hence poses critical challenges to the viability of PV in smart grid systems. …”
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Investigation of solar PV performance under Doha weather using a customized measurement and monitoring system
Published 2016“…More specifically, we design an in-house system featuring a buck-boost converter enhanced with a maximum power point tracker (MPPT) serving as a PV load, sensors' system that collects climatic parameters including dust, wireless Radio, and a LabVIEW based monitoring and recording station. …”
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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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Opportunities, challenges and trade-offs with decreasing avoidable food waste in the UK
Published 2021“…Stakeholder interrelations, regulatory and socio-economic aspects are discussed in relation to their influence on decreasing avoidable food waste. The main output from this work is a diagrammatic depiction of where challenges and trade-offs occur along the food supply chain, and how policy and socio-economic reforms are needed to maximise avoidable food waste prevention, and the surplus avoidable food redistribution in the food supply chain for social benefit.…”
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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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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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Impact of magnetic dipole on a thermally stratified ferrofluid past a stretchable surface
Published 2019“…This article focuses on the characteristics of a magnetic dipole in a viscous ferrofluid induced by linear stretched surface. …”
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Biocorrosion behavior of biodegradable nanocomposite fibers coated layer-by-layer on AM50 magnesium implant
Published 2016“…The results showed that the AJS 3D membrane fiber layers, particularly the hybrid membrane layers containing a small amount of nHA (3wt.%), induce a higher biocorrosion resistance and effectively decrease the initial degradation rate compared with the neat AM50 coupon samples. …”
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The mitochondrial-related effect of the 905 nm photobiomodulation therapy on 50B11 sensory neurons
Published 2023“…In this study, a possible molecular mechanism of the 905 nm PBMT (0.25 W/cm2; 3, 6, 12, and 18 J/cm2, 5 Hz) analgesic effect was tested on 50B11 cells, by investigating its impact on mitochondria. …”
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Long-term performance analysis and power prediction of PV technology in the State of Qatar
Published 2017“…Results show that due to panel dusting for eight months, the PV output power decreased by 50%. Also, owing to lower ambient temperatures, clearer sky and cleaner panels due to occasional rainfall, the PV panels show higher output power in Winter than in Summer season. …”
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Understanding the False Positive of Modified Martensitic Steels in Sweet & Sour Service Conditions Using a Point Defect Model Perspective
Published 2023“…These results indicate a critical point in temperature in the tests with only CO2, where resistance to pitting susceptibility is maximized due to a decrease in the cation vacancy diffusivity.…”
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A robust experimental-based artificial neural network approach for photovoltaic maximum power point identification considering electrical, thermal and meteorological impact
Published 2020“…This paper aims to develop a robust and practical photovoltaic (PV) Maximum Power Point (MPP) identification tool developed using reliable experimental data sets. …”
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The impact of PV generation and load types on the impedance relays during both balanced and unbalanced faults
Published 2022“…When a single phase to ground fault occurs at the relay bus (load bus), the dynamic load decreases the relay impedance, and the PV plant increases it. …”
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