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Showing 1 - 20 results of 461 for search '(( 50 ((_ decrease) OR (a decrease)) ) OR ((( 29 points decrease ) OR ( _ pv decrease ))))*', query time: 0.17s Refine Results
  1. 1

    Quality improvement can decrease blood delivery turnaround time: Evidence from a single tertiary-care academic medical center by Hammad Y.A.

    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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    Quantification of pv power and economic losses due to soiling in Qatar by Zeedan A.

    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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    Towards understanding the effects of climatic and environmental factors on solar PV performance in arid desert regions (Qatar) for various PV technologies by Touati F.

    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 by Touati, F.

    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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    Turning point in COVID-19 severity and fatality during the pandemic: a national cohort study in Qatar by Chemaitelly, Hiam

    Published 2023
    “…In the post-first omicron phase, incidence rate of fatal COVID-19 decreased by 90.0% compared with earlier stages. Both severity and fatality exhibited an exponential increase with age and a linear increase with the number of coexisting conditions. …”
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  10. 10

    EV impact on the residential distribution network with smart PV inverters by Abdullah, Heba

    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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    Biocorrosion behavior of biodegradable nanocomposite fibers coated layer-by-layer on AM50 magnesium implant by Abdal-hay, Abdalla

    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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    Investigation of solar PV performance under Doha weather using a customized measurement and monitoring system by Touati, Farid

    Published 2016
    “…This would suggest cleaning needs and advise on cleaning frequencies of PV panels.…”
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    The mitochondrial-related effect of the 905 nm photobiomodulation therapy on 50B11 sensory neurons by Zupin, Luisa

    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 by Touati F.

    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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    Integration of temperature and dust effects in siting large PV power plant in hot arid area by Charabi, Yassine

    Published 2013
    “…Recently, solar PV technologies witnessed a commercial vigor due to their tremendously decreasing prices. …”
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    The impact of PV generation and load types on the impedance relays during both balanced and unbalanced faults by Kamel, Rashad M.

    Published 2022
    “…When single line to ground fault occurs at the PV bus (far from relay location), the dynamic loads increase the relay impedance, while the PV plant decreases the relay impedance. …”
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    Gyrotactic microorganisms and thermoelectric effects on the dynamics of 29 nm CuO-water nanofluid over an upper horizontal surface of paraboloid of revolution by Sivaraj R.

    Published 2018
    “…Purpose: The purpose of this paper is to provide an insight into the influence of gyrotactic microorganisms and Hall effect on the boundary layer flow of 29 nm CuO-water mixture on the upper pointed surface of a rocket, over the bonnet of a car and upper pointed surface of an aircraft. …”
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    Failure mode analysis for single-phase Multi-level qZSI interfacing PV system to utility grid by Rahman, Syed

    Published 2017
    “…Cascaded Multi-level inverter for synchronization of power generated from PV system to utility grid is reported in this paper. …”
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    Optimal Energy Dispatch Engine for PV-DG-ESS Hybrid Power Plants Considering Battery Degradation and Carbon Emissions by Kanaan, Laith

    Published 2023
    “…To test the performance of the developed model, real-time load and photovoltaic (PV) data were used in conjunction with a PV-DG-ESS hybrid plant. …”
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