Showing 1,021 - 1,040 results of 1,773 for search '(( 26 10 decrease ) OR ( 10 ((meet decrease) OR (((mean decrease) OR (a decrease)))) ))*', query time: 0.14s Refine Results
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    Acidity's Impact on Yield, Morphological Structure, and Surface Functionalities of Polyaniline Synthesised via Oxidative Polymerisation by Ahmat, Dounia Ousmane

    Published 2023
    “…The findings revealed that reducing the medium pH from 2.35 (in distilled water) to 0.80 (in 10 M HCl) resulted in a colour change from light brownish to dark green, indicating the formation of emeraldine PANI. …”
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  5. 1025

    Short-term greenhouse emission lowering effect of biochars from solid organic municipal wastes by Rehrah D.

    Published 2018
    “…Two biochars produced from mixed materials at 300–500 °C for 2 h and used at 0.5–1% application rate performed the best in enhancing soil fertility parameters. A significant decrease in CO2 emission was observed in vials with soil–biochar mixtures, especially for biochars produced at 500 °C compared the corresponding raw materials which exhibited an exponential increase in the CO2 emission. …”
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    Trends in prevalence of depression and anxiety symptoms and effects of sociodemographic variables before and after the first wave of COVID-19 in Qatar by Khaled, Salma M.

    Published 2022
    “…The data for 2020/21 showed a 35.1% and 29.2% decrease in depression and anxiety symptoms scores compared to pre-pandemic years (2017/2018) after adjusting for sociodemographic factors. …”
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