يعرض 761 - 780 نتائج من 1,776 نتيجة بحث عن '(( 13 c decrease ) OR ( 10 ((greater decrease) OR (((a decrease) OR (mean decrease)))) ))*', وقت الاستعلام: 0.17s تنقيح النتائج
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  12. 772

    Development of an Air-Cooled Induction Manifold for Diesel Engines in Hot and Humid Climate حسب Elrentisy, Mohamed H.

    منشور في 2022
    "…Furthermore, the smoke emission has decreased by 40% at the engine full load. It was also proved that using the air-conditioning system of a vehicle to cool the intake air temperature is visible, as the net gained the power of the engine has increased by 14.5% when running at 20 °C compared with 45 °C.…"
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  13. 773
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  17. 777

    Pilot-scale petroleum refinery wastewaters treatment systems: performance and microbial communities' analysis حسب Karray, Fatma

    منشور في 2020
    "…Decreasing HRT to 5 and 2.5 days led to a decrease in the efficiency of the process and a decrease in biomass concentration was also observed (<1000 mg/l). …"
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  18. 778
  19. 779

    CO2 methanation using sugarcane bagasse biochar/nickel sustainable catalysts حسب Gamal, Ahmed

    منشور في 2024
    "…The catalyst containing 0.5 mmolNi/gSCB showed the highest CO2 conversion at all operating temperatures (250–550 °C) in addition to the highest methane selectivity at 400 °C. …"
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  20. 780