Showing 641 - 660 results of 1,766 for search '(( 10 ((peer decrease) OR (((mean decrease) OR (a decrease)))) ) OR ( 20 cm decrease ))*', query time: 0.14s Refine Results
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    Study the efficiency of Ultrasonic Technology in Removal of Algae from Surface Waters by Maarouf, Alaa

    Published 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 by Mohammed, Aboobacker Valliyil

    Published 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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    Concrete Pavement Truck Equivalence Factors For Upgrades by Razouki, Sabah Said

    Published 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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