يعرض 181 - 200 نتائج من 1,775 نتيجة بحث عن '(( 10 ((greater decrease) OR (((mean decrease) OR (a decrease)))) ) OR ( 16 i decrease ))*', وقت الاستعلام: 0.21s تنقيح النتائج
  1. 181
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    Textile-Reinforced Mortar (TRM) System as a Strengthening Technique on Reinforced Concrete Beams حسب Afzal, Muhammad Shekaib

    منشور في 2016
    "…The average values of energy absorption for using carbon as strengthening material were 1.8 × , 1.2 × and 1.6 × for “ρ” _“s” ^“1” “ = 0.5%,” “ρ” _“s” ^“2” “ = 0.72% and “ “ρ” _“s” ^“3” “ = 1.27%” beam specimens respectively to that of the control specimen. …"
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  11. 191

    Environmental impacts of solar photovoltaic systems: A critical review of recent progress and future outlook حسب Tawalbeh M.

    منشور في 2021
    "…Recycling solar cell materials can also contribute up to a 42% reduction in GHG emissions. The present study offers a valuable management strategy that can be used to improve the sustainability of PV manufacturing processes, improve its economic value, and mitigate its negative impacts on the environment.…"
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    Effect of using Cement Kiln Dust as a nano-material on the strength of cement mortars حسب Alnahhal, Wael

    منشور في 2017
    "…The CKD was milled up to 4 hours in a planetary ball mill. In addition to the control cement mortar mixture with 0% CKD, a total of 28 concrete mortar mixtures were prepared with four different replacement percentages of nano-CKD (5, 10, 15, and 20 %), and seven different milling times (1, 1.5, 2, 2.5, 3, 3.5, and 4 hours). …"
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