يعرض 641 - 660 نتائج من 1,766 نتيجة بحث عن '(( 10 ((peer decrease) OR (((mean decrease) OR (a decrease)))) ) OR ( 20 cm decrease ))*', وقت الاستعلام: 0.18s تنقيح النتائج
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    Study the efficiency of Ultrasonic Technology in Removal of Algae from Surface Waters حسب Maarouf, Alaa

    منشور في 2024
    "…Algae were cultivated in a medium composed of commercial fertilizer (NPK 20:20:20) under natural light conditions. The dominant algae genus was identified using a light microscope, and ultrasound waves with a low frequency of 40 kHz and a power density of 0.024 W/cm³ were applied at different time intervals (0 – 80 minutes) at time intervals of 5 minutes. …"
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  12. 652

    Wind energy potential along the onshore and offshore Qatar حسب Mohammed, Aboobacker Valliyil

    منشور في 2020
    "…cant increase or decrease of wind power around Qatar in the last 40 years in most of the locations, while there is a slight decreasing trend in the o?…"
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  15. 655

    Concrete Pavement Truck Equivalence Factors For Upgrades حسب Razouki, Sabah Said

    منشور في 1999
    "…The upgrade truck equivalence factors were developed taking into consideration the following three values for upgrade namely; 0%, 8% and 12%, four values of slab thickness namely; 6, 8, 10 and 12 inches (15.24, 20.32, 25.40 and 30.48cm) and two extreme ratios of H / B of 0.2 and 1.0. …"
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