يعرض 1 - 20 نتائج من 483 نتيجة بحث عن '(( 50 ((ms decrease) OR (a decrease)) ) OR ((( _ fe decrease ) OR ( _ pv decrease ))))*', وقت الاستعلام: 0.20s تنقيح النتائج
  1. 1

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

    منشور في 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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  2. 2

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

    منشور في 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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  3. 3

    Effects of environmental and climatic conditions on PV efficiency in qatar حسب Touati, F.

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

    منشور في 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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  6. 6

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

    منشور في 2020
    "…Varying the inverter to PV ratio for smart operation from (1.1) to (2) further decreases the system losses. …"
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  7. 7

    Correlating the rheological and magneto-optical properties of cobalt substituted magnetite ferrofluids (CoxFe1?xFe2O4) with theoretical studies حسب Babukutty, B.

    منشور في 2023
    "…An environmental friendly method of co-precipitation is applied to generate CoxFe1?xFe2O4 with variable dopant concentration (x = 0-0.8), which is deeply investigated by structural and functional property analyses of the ferrofluids. …"
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    Biocorrosion behavior of biodegradable nanocomposite fibers coated layer-by-layer on AM50 magnesium implant حسب Abdal-hay, Abdalla

    منشور في 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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  10. 10

    The mitochondrial-related effect of the 905 nm photobiomodulation therapy on 50B11 sensory neurons حسب Zupin, Luisa

    منشور في 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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  11. 11

    Long-term performance analysis and power prediction of PV technology in the State of Qatar حسب Touati F.

    منشور في 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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  12. 12

    Fabrication of zno-fe-mxene based nanocomposites for efficient co2 reduction حسب Kannan, K.

    منشور في 2020
    "…Nyquist plots also illustrated a decrease in the impedance of the ZnO-Fe-MXene layer, indicating fast charge transfer between the Zn and MXene layers. …"
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    Integration of temperature and dust effects in siting large PV power plant in hot arid area حسب Charabi, Yassine

    منشور في 2013
    "…Recently, solar PV technologies witnessed a commercial vigor due to their tremendously decreasing prices. …"
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  16. 16

    The impact of PV generation and load types on the impedance relays during both balanced and unbalanced faults حسب Kamel, Rashad M.

    منشور في 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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  17. 17

    Magneto-Mechanical and Thermal Properties of Nd-Fe-B-Epoxy-Bonded Composite Materials حسب Grujić, Aleksandar

    منشور في 2023
    "…The results show that impact toughness decreases, while magnetic properties increase, along with increasing content of Nd-Fe-B. …"
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  18. 18

    Adsorption of Congo Red Dye Using Activated Carbon-Fe3O4 Composite حسب Mahmud, Nafis

    منشور في 2023
    "…Initial dye concentration also had significant impact on the adsorption process as the adsorption capacity of the AC- Fe3O4 adsorbents decreased with increase in dye concentrations. …"
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  19. 19

    Failure mode analysis for single-phase Multi-level qZSI interfacing PV system to utility grid حسب Rahman, Syed

    منشور في 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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  20. 20