يعرض 1,121 - 1,140 نتائج من 1,792 نتيجة بحث عن '(( 1 10 decrease ) OR ( 10 ((greater decrease) OR (((mean decrease) OR (a decrease)))) ))*', وقت الاستعلام: 0.16s تنقيح النتائج
  1. 1121
  2. 1122
  3. 1123
  4. 1124
  5. 1125

    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. …"
    احصل على النص الكامل
    احصل على النص الكامل
  6. 1126
  7. 1127
  8. 1128

    Experimental studies on the biodiesel production parameters optimization of sunflower and soybean oil mixture and DI engine combustion, performance, and emission analysis fueled wi... حسب Elkelawy M.

    منشور في 2019
    "…70% biodiesel) were prepared to power a single cylinder diesel engine. The engine results as compared to diesel fuel, show a reduction in the rate of change of CO by 33.8% for D50B50. …"
    احصل على النص الكامل
    احصل على النص الكامل
  9. 1129
  10. 1130
  11. 1131
  12. 1132
  13. 1133
  14. 1134
  15. 1135
  16. 1136
  17. 1137
  18. 1138
  19. 1139
  20. 1140