Showing 661 - 680 results of 1,775 for search '(( 6 10 decrease ) OR ( 10 ((per decrease) OR (((nn decrease) OR (a decrease)))) ))*', query time: 0.16s Refine Results
  1. 661

    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
    “…Results The two-week prevalence of depressive symptoms (≥10 on the PHQ-9) was 6.6% in 2017 and 6.5% in 2020/2021 (p = 0.986). …”
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  2. 662

    Enhancement of mechanical and corrosion resistance properties of electrodeposited NiP-TiC composite coatings by Fayyaz O.

    Published 2021
    “…Further increase in the concentration of TiC particles results in a decrease in hardness, which can be ascribed to their accumulation in the Ni–P matrix. …”
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    Improvement of both lipid and biomass productivities of Qatar Chlorocystis isolate for biodiesel production and food security by Saadaoui, Imen

    Published 2018
    “…QUCCCM14, which was not previously known as a promising strain. Indeed, culturing QUCCCM14 using f/2 medium with 10× NaH2PO4 (0.15 g L−1 NaNO3 and 5.6 mg L−1 NaH2PO4) resulted in an improvement of 3.178 folds the lipid productivity reaching 56.121 mg L−1 day−1 and enhanced the biomass productivity reaching 141.363 mg L−1 day−1, simultaneously. …”
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    Mercury pollution in doha (Qatar) coastal environment by Al-Madfa, H.

    Published 1994
    “…m sediment fraction. There is a general trend for all Hg species determined in water and sediments to decrease seaward. …”
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  20. 680