Showing 641 - 660 results of 1,769 for search '(( 10 ((we decrease) OR (((a decrease) OR (mean decrease)))) ) OR ( 16 greater decrease ))*', query time: 0.16s Refine Results
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    Effect Of Sand Blasting On Soda Lime Glass Properties by Bousbaa, C.

    Published 2003
    “…The average strength remains almost constant while the dispersion becomes much reduced for the glass sand blasted during 60 minutes (m = 10.4 and smoy = 64 MPa). The variation of the relative efficiency of glass protected solar panels versus sand blasting duration (seen up to 300 min) shows a slow regular decrease until 0.91 for a 90° impact angle and until 0.95 for 30°. …”
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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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