Showing 661 - 680 results of 743 for search '(( 50 ((ms decrease) OR (a decrease)) ) OR ((( 7 10 decrease ) OR ( a systematic decrease ))))*', query time: 0.17s Refine Results
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    Effect of pH on dissolution of iron sulfide scales using THPS by Ahmed, Musa

    Published 2019
    “…For the field scale the combined formulation of THPS and EDTA yielded more than 70 % scale solubility however, for pure pyrite it was less than 10%. This implies that THPS and EDTA combination is effective in dissolving other iron sulfide scales, such as pyrrhotite (Fe7S8) and troilite (FeS) which are more soluble in comparison with pyrite. …”
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    Performance and analysis of kappa-carrageenan hydrogel for PFOA-contaminated soil remediation wastewater treatment by Alsaka, Lilyan

    Published 2024
    “…After three filtration cycles, the water flux decline of 3%kC-0.3%AC was less than 10%. The gravity dead-end kC hydrogel provides sustainable PFOA wastewater treatment with biodegradable and natural materials.…”
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    Impact of SARS-CoV-2 on Ambient Air Quality in Northwest China (NWC) by Zaib, Shah

    Published 2021
    “…In 2020, PM2.5, PM10, SO2, NO2, CO, and O3 improved by 2.72%, 5.31%, 7.93%, 8.40%, 8.47%, and 2.15%, respectively, as compared with 2019. …”
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