Showing 181 - 200 results of 830 for search '(( 50 ((ms decrease) OR (a decrease)) ) OR ((( 1 b decrease ) OR ( a systematic decrease ))))*', query time: 0.27s Refine Results
  1. 181

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

    Published 2023
    “…In the post-first omicron phase, incidence rate of fatal COVID-19 decreased by 90.0% compared with earlier stages. Both severity and fatality exhibited an exponential increase with age and a linear increase with the number of coexisting conditions. …”
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  2. 182

    Optimization of performance and emission characteristics of CI engine fueled with Jatropha biodiesel produced using a heterogeneous catalyst (CaO) by Singh, A.

    Published 2020
    “…In present investigation has witnessed a significant decrease in HC emissions (14.29 percent) compared to diesel, and a slight increase in NOx emissions (1.98 percent) is also observed. …”
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  3. 183
  4. 184

    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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  5. 185

    Usefulness of In-Situ Synchrotron Study on Scale Formation during CO2 Corrosion of Mild Steel: A Review by Sk, Mobbassar Hassan

    Published 2016
    “…Keywords: In-situ synchrotron, CO2-Corrosion of mild steel, Nucleation mechanism during CO2- corrosion. Figure 1 (a) and (b) illustrate the photograph and schematic of experimental set up for in-situ synchrotron X-ray diffraction experiments using the powder diffraction Australian beam line. …”
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  6. 186
  7. 187

    Preliminary Assessment of the Effect of Saline Water Used in Irrigation on the Growth of the Local Barley Cultivar (Harma) by Yasseen, B.T. [بسام طه ياسين]

    Published 2001
    “…Harma barley did not withstand osmotic shock higher than ECe of 14 dSm-1 , while it permitted better growth and produced grains at ECe of 23 to 28 dSm-1 when achieved by gradual manner. …”
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  8. 188

    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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  9. 189

    Box-Behnken approach for optimization of Cr(III) removal from a real tanning effluent using powdered marble by Boujelben, R.

    Published 2022
    “…The results showed that the maximum uptake (> 99%) was obtained at a chromium initial concentration of 0.758�g/L, pH = 5.0 and using 6% (w:v) of powdered marble. …”
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  10. 190
  11. 191

    A computational model to predict the structural and functional consequences of missense mutations in O6-methylguanine DNA methyltransferase by Thirumal Kumar, D

    Published 2019
    “…MDS run showed that the C145A mutant demonstrated higher structural deviation, decreased compactness, and the binding patterns. …”
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  14. 194

    Adiposity indicators exhibit depot- and sex-specific associations with multimorbidity onset: A cohort study of the UK Biobank by Ma, Lu

    Published 2024
    “…Results Cox proportional hazard regression analyses of general obesity indices revealed that for every one-unit increase in body mass index, the risk of incident multimorbidity increased by 5.2% (95% confidence interval 5.0%-5.4%). A dose-response relationship was observed between general obesity degrees and incident multimorbidity. …”
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  17. 197

    Synthesis and characterization of Sm3+-doped ZnO nanoparticles via a sol–gel method and their photocatalytic application by Ba-Abbad, Muneer M.

    Published 2018
    “…The photocatalytic degradation of 2-chlorophenol was investigated under sunlight in presence of ZnO and samarium-doped ZnO nanoparticles. A higher performance of samarium-doped ZnO for photocatalytic degradation of 2-chlorophenol at 0.50 wt.% was observed, compared to pure ZnO nanoparticles under the same experimental conditions.…”
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  18. 198

    Study of diesel-biodiesel blends combustion and emission characteristics in a CI engine by adding nanoparticles of Mn (II) supramolecular complex by Elkelawy, M.

    Published 2020
    “…The supramolecular complex (SC1) [Mn(EIN)4(NCS)2] was synthesized and characterized as a new nanosized emulsion additive to improve the fuel incineration and emission formation behavior of a diesel-biodiesel blends-fueled CI engine. …”
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