يعرض 181 - 200 نتائج من 1,767 نتيجة بحث عن '(( 12 per decrease ) OR ( 10 ((greater decrease) OR (((a decrease) OR (mean decrease)))) ))*', وقت الاستعلام: 0.18s تنقيح النتائج
  1. 181
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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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  4. 184
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    A global multiregional life cycle sustainability assessment of national energy production scenarios until 2050 حسب Kucukvar M.

    منشور في 2017
    "…The results showed that in comparison of BAU with RED scenario, GHG emissions associated would be 84% less in RED, wages will be 23% less and taxes would decrease by 22.4% under RED plan by 2050. In addition, energy sources responsible for the highest GHG emissions per kilowatt-hour of electricity produced are found as biomass, coal, waste and oil. …"
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  13. 193

    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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  14. 194
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    Preparation and characterization of wollastonite/titanium oxide nanofiber bioceramic composite as a future implant material حسب Aly, Ibrahim H.M.

    منشور في 2016
    "…While porosity and water adsorption capacity decreased with increasing the metal oxide nanofibers with a considerable impact for the sintering temperature in both properties. …"
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  17. 197
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    Mechanical Behavior of a Novel Nanocomposite Polysulphone - Carbon Nanotubes Membrane for Water Treatment حسب Wang, Kui

    منشور في 2016
    "…The commercial CNTs had a lengths of 1 ?m to 10 ?m and outer diameters of 10 nm to 20 nm (corresponded aspect ratios ranging from 50 to 1000), with purity >95% and BET surface area of 156 m2/g. …"
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  19. 199
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    Mn-ferrite based solar thermochemical water splitting cycle: A thermodynamic evaluation حسب Bhosale R.R.

    منشور في 2019
    "…allied with the Mn-ferrite was observed to be increased as the PO2 was decreased from 10?1 to 10?5 atm and the TH was upsurged from 1500 to 2100 K. …"
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