يعرض 661 - 680 نتائج من 1,763 نتيجة بحث عن '(( 10 (((meer OR meet) decrease) OR (((nn decrease) OR (a decrease)))) ) OR ( 30 point decrease ))*', وقت الاستعلام: 0.16s تنقيح النتائج
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    Numerical investigation of steady air injection flow to control rotating stall in centrifugal compressors حسب Halawa, Taher

    منشور في 2014
    "…Results showed that the best injection method is when using an injection angle of 30° with injection mass flow rate of 1.5% of the design mass flow rate and the worst injection method is the injection at angle of 180° (reverse tangent injection). …"
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    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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