يعرض 221 - 240 نتائج من 1,787 نتيجة بحث عن '(( i n decrease ) OR ( 10 ((meters decrease) OR (((a decrease) OR (mean decrease)))) ))*', وقت الاستعلام: 0.20s تنقيح النتائج
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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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    Textile-Reinforced Mortar (TRM) System as a Strengthening Technique on Reinforced Concrete Beams حسب Afzal, Muhammad Shekaib

    منشور في 2016
    "…The cement-based mortar used in TRM acts as a barrier against chloride ions penetration thus protecting the main reinforcing bars from corrosion attack. …"
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    Optimization of cultivation conditions for combined nutrient removal and CO2 fixation in a batch photobioreactor حسب Al Ketife, Ahmed MD

    منشور في 2017
    "…RESULTS Over 10 days the biomass concentration reached almost 3 g L−1 for Cc,g of 5% CO2, with corresponding values of 0.74 g L−1 day−1 and 1.17 day−1 for Rc and μ, respectively, and 100% nutrient (N and P) removals. …"
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    Qatar Culture Collection of Microalgae: A Sustainable Source for Biodiesel Production and Omega Fatty Acid Compounds حسب Bounnit, Touria

    منشور في 2016
    "…In addition, we observed the presence of the omega-3 and 9 long-chain polyunsaturated fatty acids (LC-PUFAs), such as eicosapentaenoic (EPA, 20:5 n-3), docosahexaenoic (DHA, 22:6 n-3) and Nervonic Acid (C24:1 n-9) acids, which have a high commercial value and are known for their beneficial effects on human health…"
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