Showing 161 - 180 results of 438 for search '(( 16 i decrease ) OR ( 10 ((peter decrease) OR (((nn decrease) OR (mean decrease)))) ))*', query time: 0.18s Refine Results
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    Turning point in COVID-19 severity and fatality during the pandemic: a national cohort study in Qatar by Chemaitelly, Hiam

    Published 2023
    “…Cumulative incidence of fatal COVID-19 was 0.042% (95% CI 0.036% to 0.050%), with an incidence rate of 0.13 (95% CI 0.11 to 0.16) per 1000 person years. In the post-first omicron phase, incidence rate of fatal COVID-19 decreased by 90.0% compared with earlier stages. …”
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    Production of phycocyanin by Leptolyngbya sp. in desert environments by Schipper, Kira

    Published 2020
    “…The optimum biomass productivity was found at a light intensity of 300 μmol·m−2·s−1, with higher light intensities causing a decrease of 15%. …”
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  6. 166

    The mechanical and adhesive properties of electrically and thermally conductive polymeric composites based on high density polyethylene filled with nickel powder by Krupa, Igor

    Published 2013
    “…Similarly, the strength of the adhesive joint formed by the composite and aluminum foil increased from a value of 16Nm−1 for the neat HDPE to 27Nm−1 when the HDPE matrix was filled with 13vol.% of the filler.…”
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  7. 167

    Influence of shelf-life duration on mechanical, thermal and shape recovery motion derivatives of shape memory polyurethane by Vasavi, Boggarapu

    Published 2024
    “…The results indicated that tensile and flexural strength decreased by 35.16 % and 29.3 % respectively, from S1 to S10. …”
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    Occurrence, origin and potential ecological risk of dissolved polycyclic aromatic hydrocarbons and organochlorines in surface waters of the Gulf of Gabès (Tunisia, Southern Mediter... by Hatem, Zaghden

    Published 2022
    “…The results demonstrated a wide range of concentrations (ng L−1) with the following decreasing order: Ʃ16 PAHs (17.6–71.2) > Ʃ20 PCBs (2.9–33.7) > Ʃ6 DDTs (1.1–12.1) > Ʃ4 HCHs (1.1–14.8). …”
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  10. 170

    Utilization of Emergency Services by Children with Asthma in Qatar by Arafah, Dima

    Published 2022
    “…Around 900 children were admitted (1.6%) and almost 20 children attended once a month or more. …”
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    Extraction and characterization of biofunctional lignocellulosic fibers from Pulicaria undulata plant and the effect of alkali treatment on their bio-physicochemical properties by Mohammed, Alsafran

    Published 2024
    “…The average yield of raw fibers obtained was 28.1 %. The raw fibers of P. undulata were rich in cellulose (36.2 %), followed by hemicellulose (30.3 %), lignin (16.2 %), moisture (11.1 %), and pectin (3.9 %). …”
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    Qatar Culture Collection of Microalgae: A Sustainable Source for Biodiesel Production and Omega Fatty Acid Compounds by Bounnit, Touria

    Published 2016
    “…The comparative analysis of the QUCCCM isolates growth rate showed that Nannochloris sp. is the fastest growing isolate with a maximum value of 1.013 day-1. In terms of lipid contents, the results indicate a variety of the amounts. …”
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  17. 177

    Role of organic cation in modern lead-based perovskites by Alwarappan G.

    Published 2019
    “…Cubic phases of CH3NH3PbI3, CH3NH3PbCl3, CH3NH3PbICl2, and CH3NH3PbI2Cl perovskite structures are investigated using TDDFT with Gaussian 16. …”
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  18. 178

    Tobacco control in the Eastern Mediterranean region: implementation progress and persisting challenges by Abu-Rmeileh, Niveen M E

    Published 2022
    “…Tobacco use is the leading cause of preventable mortality worldwide, projected to claim 1 billion lives in the twenty-first century.1 Tobacco prevalence rates are expected to decrease across all the WHO regions by 2025 as a result of tobacco control efforts. …”
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