يعرض 181 - 200 نتائج من 926 نتيجة بحث عن '(( 10 11 decrease ) OR ( 10 ((per decrease) OR (((nn decrease) OR (mean decrease)))) ))*', وقت الاستعلام: 0.24s تنقيح النتائج
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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 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%. This limitation makes solar PV an unreliable source of power for unattended or remote devices and thus strongly suggests the challenge of cleaning the panel's surface regularly or injecting technical modifications. …"
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    Concentrated Solar Power Plant for Key Locations in Doha Qatar حسب Elbeh, Mutaz Bargas

    منشور في 2017
    "…It is broken down as total direct capital cost of $ 73,395,696 and total indirect cost of $ 10,674,192. The estimated total installed cost per net capacity is found to be $11,120/kW. …"
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