Showing 741 - 760 results of 1,766 for search '(( x 10 decrease ) OR ( 10 ((per decrease) OR (((nn decrease) OR (a decrease)))) ))*', query time: 0.20s Refine Results
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    Pilot-scale petroleum refinery wastewaters treatment systems: performance and microbial communities' analysis by Karray, Fatma

    Published 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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  5. 745

    Combined effects of treated domestic wastewater, fly ash, and calcium nitrite toward concrete sustainability by Abushanab, Abdelrahman

    Published 2021
    “…The obtained results were analytically supported by scanning electron microscopy (SEM), energy-dispersive X-ray microanalysis (EDX), and X-ray diffraction (XRD) tests. …”
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    Conversion of Organic Municipal Wastes into Biochars and their Effect on Fertility Parameters of Normal and Sabkha Soils of Qatar by Ahmedna, Mohamed

    Published 2016
    “…Box-Behnken experimental design was used instead of the full factorial to decrease the number of treatments to a manageable level (126 treatments) with three replications at the center. …”
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