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101
Forecast of the outbreak of COVID-19 using artificial neural network: Case study Qatar, Spain, and Italy
Published 2021“…The model sensitivity was analyzed using the root mean square error (RMSE), the mean absolute percentage error and the regression coefficient index R2, which yielded highly accurate values of the predicted correlation for the infected and dead cases of 0.99 for the dates considered. …”
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102
Thermo-economic assessment of forward osmosis as pretreatment to boost the performance and sustainability of multi-effect distillation for seawater desalination
Published 2022“…Results show that using FO pretreatment in a 100 m3/d MED plant of 8 effects at 65 °C allows increasing the heating steam temperature up to 100 °C and the number of effects to 16 without increasing the risk of scaling. …”
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103
Assessment of SnO2 nanoparticles' impact on the growth of Picochlorum maculatum algae
Published 2022“…To determine the effect of SnO2 nanoparticles on Picochlorum maculatum - isolated from a Qatar marine environment, algal growth media are amended with different nanoparticle concentrations (1, 5, 25, 50, and 100 mg L−1) and the culture was observed for 72 h. …”
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104
Association Between Serum Bicarbonate Levels and Prediabetes and Subclinical Inflammation in Young Healthy Adults: A Cross-sectional Study
Published 2023“…Results: A total of 825 participants with mean age 29.2 years (5.9) of which 365 (44.2%) were males. …”
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105
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106
Assessment of SnO2 nanoparticles' impact on local Pichoclorum atomus growth performance, cell morphology and metabolites content
Published 2021“…The current study investigates the ecotoxicity of SnO2 nanoparticles on a local marine algae isolate. Five different concentrations (1, 5, 25, 50 and 100mg/L) were tested and the culture was followed for 72h. …”
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107
Higher egg consumption associated with increased risk of diabetes in Chinese adults - China Health and Nutrition Survey.
Published 2020“…Logistic regression was used to examine the association. The mean age of the study population was 50·9 (sd 15·1) years. …”
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108
The Effects of Statin Treatment on Serum Ferritin Levels: A Systematic Review and Meta-Analysis
Published 2022“…The effect size was determined using weighted mean differences (WMDs) and the corresponding 95% confidence intervals (CIs). …”
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109
Climatology and variability of wind speeds along the southwest coast of India derived from Climate Forecast System Reanalysis winds
Published 2022“…The study reveals significant decreasing trends in annual mean wind speeds, of the order of −2.0 to −2.5 cm·s−1·year−1, for the period 1979–2019. …”
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111
Salicylic acid restricts mercury translocation by activating strong antioxidant defense mechanisms in sweet pepper (Capsicum annum L.)
Published 2023“…So, the experiment was designed to assess the effect of SA on sweet pepper (Capsicum annum L.) seedlings grown under different Hg toxicity concentrations. Spraying of 100 μM SA at three different Hg levels, i.e., 0 μM, 50 μM, 100 μM, and 150 μM. …”
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112
The Structure of the Free Volume in Poly(styrene-co-acrylonitrile) from Positron Lifetime and Pressure Volume Temperature (PVT) Experiments
Published 2004“…The mean hole volume, vh, varies in PS between 105 Å3 (27 °C) and 220 Å3 (190 °C), and shows a systematic decrease with increasing AN content, at Tg from 121 Å3 for PS to 102 (±2) Å3 for SAN50. …”
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113
Effects of combined calcium hypochlorite and chlorine dioxide on drinking water quality in Qatar and disinfection by-products formation
Published 2017“…Chlorine dioxide levels decrease as the free chlorine residual levels increased. …”
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114
Study of Magnetic Properties and Lattice Dynamics of the Cdx Co1-x Ferrite System by MossbauerEffect
Published 1981“…The results showed also that the introduction of the Cd2"^ ions decreased the f-value and Debye temperature, while the mean square velocity of the "Fe nucleus was not affected greatly specially at low and normal temperatures. …”
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115
Impact of Pulsed Dielectrophoretic Supply on the Function of Microorganisms in Membrane Bioreactors
Published 2018“…At high electrical potentials (100 and 150 V), the microbial activity decreased as a result of the increased current flow and temperature build up due to the Joule heating effect. …”
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116
Enhancement of mechanical and corrosion resistance properties of electrodeposited NiP-TiC composite coatings
Published 2021“…Vickers microhardness and nanoindentation results demonstrate the increase in the hardness with an increasing amount of TiC particles attaining its terminal value (593HV100) at the concentration of 1.5 g L−1. 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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117
ASSOCIATION BETWEEN INSULIN RESISTANCE AND NITRIC OXIDE IN HUMAN RETINAL MICROVASCULAR ENDOTHELIAL CELLS IN VITRO
Published 2015“…This may suggest that insulin could counteract the hyperglycemic effect on AKT/PI3 kinase which mediates NO production and VEGF-A, with decreased adhesion molecules such as p-selectin that is involved in barrier disorder of retinal endothelial cells. …”
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118
Computational approach to unravel the impact of missense mutations of proteins (D2HGDH and IDH2) causing D-2-hydroxyglutaric aciduria 2.
Published 2018“…In the case of D2HGDH protein, the mutations I147S and V444A that are positioned in the beta sheet region exhibited higher Root Mean Square Deviation (RMSD), decrease in compactness and number of intramolecular hydrogen bonds compared to the mutations N439D and D375Y that are positioned in the turn and loop region, respectively. …”
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119
Absorption of CO2 in aqueous blend of methyldiethanolamine and arginine
Published 2020“…The study was carried out at different mixing ratios of MDEA and Arg at a total concentration of 2 moles per litre. The CO2 partial pressure varied from about 10 to 100 kPa, and the temperature varied from 293 K to 323 K. …”
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120
Recycled Concrete Used in Subbase in Potential Use for Road Base and Cement Bounded Material (CBM)
Published 2020“…Concrete dumped as waste in landfills in Qatar, so this paper will emphasis utilizing the concrete waste through means of recycling and reusing in the road construction market. …”
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