Showing 101 - 120 results of 646 for search '(( 50 ((((per decrease) OR (nn decrease))) OR (a decrease)) ) OR ( i d decrease ))', query time: 0.21s Refine Results
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    Preparation and characterization of chemically synthesized polyaniline–polystyrene blends as a carbon dioxide gas sensor by J., Bhadra

    Published 2013
    “…The SEM results of the above polymerized blends reflect the formation of spherical nanoparticles with diameter ranging from 50nm to 90nm with a decrease in PS concentration that facilitates the formation of clusters. …”
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    Environment Degradation and Economic Growth in the Qatar Economy: Evidence from a Markov Switching Equilibrium Correction Model by Charfeddine, Lanouar

    Published 2016
    “…After reaching a critical level of income, the spending on environment protection is increased, and hence environment degradation tend to decrease. …”
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  10. 110

    Turning point in COVID-19 severity and fatality during the pandemic: a national cohort study in Qatar by Chemaitelly, Hiam

    Published 2023
    “…The post-first omicron phase saw a drastic drop to 0.10 (95% CI 0.08 to 0.14) per 1000 person years, a 95.4% reduction. …”
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    Spectral and Structural Properties of High-Quality Reduced Graphene Oxide Produced via a Simple Approach Using Tetraethylenepentamine by Alkhouzaam A.

    Published 2022
    “…The replacement of the oxygenated groups increased the carbon/oxygen (C/O) ratio of GO by approximately 60%, suggesting a good reduction degree. It was found that the I2D/ID+D? ratio and the relative intensity of the D?? …”
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  14. 114

    Optimization of cultivation conditions for combined nutrient removal and CO2 fixation in a batch photobioreactor by Al Ketife, Ahmed MD

    Published 2017
    “…At 22% CO2 the Rc and μ decreased by around an order of magnitude, and nutrient removal also decreased to 79% and 50% for N and P, respectively. …”
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  15. 115

    Synthesis and characterisation of Co2+-incorporated ZnO nanoparticles prepared through a sol-gel method by Ba-Abbad, Muneer M.

    Published 2016
    “…A hexagonal wurtzite-phase structure of Co2+-doped ZnO was observed, with a slight decrease in particle size as the Co2+ doping concentration increased. …”
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    Synergistic effects and optimization of nitrogen and phosphorus concentrations on the growth and nutrient uptake of a freshwater Chlorella vulgaris by Alketife, Ahmed M.

    Published 2017
    “…When N/P=10, a complete P and N removal was achieved at the end of cultivation with specific growth rate (SGR) of 1 d?1 and biomass concentration of 1.58 g/L. It was also observed that when the N content <2.5 mg/L, the SGR significantly reduced from 1.04 to 0.23 d?…”
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  19. 119

    Preemptive Dose Adjustment Effect on the Quality of Anticoagulation Management in Warfarin Patients With Drug Interactions: A Retrospective Cohort Study by Fahmi, Amr Mohamed

    Published 2019
    “…The main objective of this study is to compare preemptive to nonpreemptive strategy and their impact on the quality of anticoagulation management. This is a retrospective cohort study performed at the pharmacist-managed anticoagulation clinic in a tertiary hospital in the State of Qatar. …”
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