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Investigation of the structural, optical and gas sensing properties of PANI coated Cu–ZnS microsphere composite
منشور في 2020"…The structural, optical, and morphological properties are characterized by X-ray powder diffraction, FTIR, UV-vis, scanning electron microscope, transmission electron microscope. …"
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Influence of shelf-life duration on mechanical, thermal and shape recovery motion derivatives of shape memory polyurethane
منشور في 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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Mitigating soil water deficit using organic waste compost and commercial water retainer: a comparative study under semiarid conditions
منشور في 2023"…<p dir="ltr">Semiarid regions have particularly been confronted with climate change effects reflected by the consistent decrease of rainfall and increase of evapotranspiration. …"
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Investigation of the Effect of Exendin-4 on Oleic Acid-Induced Steatosis in HepG2 Cells Using Fourier Transform Infrared Spectroscopy
منشور في 2022"…This reduction was confirmed by FTIR analysis, as the phospholipid band (C=O) at 1740 cm−1 in Ex-4 treated cells is significantly decreased compared to steatotic cells. …"
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The Triple “S” Impact of COVID-19: Nationwide Evidence of the Impact of the Stress Associated With Restrictive Measures on Substance Use, Sleep, and Social Connectedness in Qatar...
منشور في 2023"…Of tobacco users in our sample, 36% reported increased tobacco use since the start of home confinement, while 41.6% of alcohol users reported decreased alcohol use. …"
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BRET-based biosensors for SARS-CoV-2 oligonucleotide detection
منشور في 2024"…<p dir="ltr">The need for the early detection of emerging pathogenic viruses and their newer variants has driven the urgent demand for developing point-of-care diagnostic tools. …"
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Sleeve Gastrectomy in Patients with Type 2 Diabetes: Anthropometric and Cardiometabolic Improvements at 1, 3, 5, 7, and 9 years—Are the Initial Benefits Sustained?
منشور في 2025"…Mean HbA1c significantly decreased from 8.1%preop to 6.77%<sub>year 9</sub>. …"
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Forecast of the outbreak of COVID-19 using artificial neural network: Case study Qatar, Spain, and Italy
منشور في 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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Machine Learning and Carbonate Reservoirs : A Production Data Perspective on Permeability Modelling
منشور في 2024"…</p><p dir="ltr">The ANN was rigorously tested, showing remarkable accuracy with the highest mean squared error (MSE) being 7.02 and the lowest MSE being 1.19, demonstrating its capability of modeling permeability. …"
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Synergetic effects of dodecylamine-functionalized graphene oxide nanoparticles on antifouling and antibacterial properties of polysulfone ultrafiltration membranes
منشور في 2021"…GO and rGO-DDA were analyzed using Raman spectroscopy, FTIR, SEM, TEM, and TGA that all confirmed the successful functionalization of GO structure. …"
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Central and peripheral muscle fatigue following repeated‐sprint running in moderate and severe hypoxia
منشور في 2020"…No significant differences between conditions for mean distance occurred in set 2. There was a decrease in maximal voluntary contraction torque (Δ = −31.4 ± 18.0 N m, <i>P</i> < 0.001) and voluntary activation (%VA; Δ = −7.1 ± 5.1%, <i>P</i> = 0.001) from Pre- to Post-set 1, but there was no effect of hypoxia. …"
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Investigating the impact of remittance outflows and oil price on economic growth in Gulf Cooperation Council countries
منشور في 2023"…This study utilizes the nonlinear augmented mean group method to explore the possible asymmetric impact of remittance outflows on economic growth in Gulf Cooperation Council (GCC) countries for the period of 2000–2019. …"
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Investigating the impact of remittance outflows and oil price on economic growth in Gulf Cooperation Council countries
منشور في 2023"…This study utilizes the nonlinear augmented mean group method to explore the possible asymmetric impact of remittance outflows on economic growth in Gulf Cooperation Council (GCC) countries for the period of 2000–2019. …"
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Adult appendicitis score versus Alvarado score: A comparative study in the diagnosis of acute appendicitis
منشور في 2023"…In addition, AAS is found to decrease the need for radiological images and NA rate more than Alvarado</p><h2>Other Information</h2><p dir="ltr">Published in: Surgery Open Science<br>License: <a href="http://creativecommons.org/licenses/by/4.0/" rel="noreferrer" target="_blank">http://creativecommons.org/licenses/by/4.0/</a><br>See article on publisher's website: <a href="https://dx.doi.org/10.1016/j.sopen.2023.07.007" target="_blank">https://dx.doi.org/10.1016/j.sopen.2023.07.007</a></p>…"
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Land surface temperature responses to land use dynamics in urban areas of Doha, Qatar
منشور في 2024"…The LST data derived from remote sensing sources demonstrates an upward trend for summer and a contrasting trend for winter. Specifically, the mean summer LST increases by 7.64 °C (0.34 °C annually), and the mean winter LST decreases by 4.87 °C (0.22 °C annually). …"
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Novel Concrete Mix for 3D Concrete Printing with Special Functions
منشور في 2022"…To address some of the limitations of conventional concrete construction, the proposed research develops a novel concrete material that possesses better thermal insulation properties, which can decrease energy consumption during the building’s operational phase, and is applicable for 3D concrete printing (3DCP), which removes the need for formwork, increases building design flexibility, and can improve the environmental effect. …"
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Rapid mercury removal using living indigenous microalgal communities for water treatment applications
منشور في 2025"…Kinetic studies showed superior correlation with the pseudo-second-order model (R<sup>2</sup> > 0.996), with rate constants decreasing systematically from 767.5 to 216.0 g/mg·min as concentration increased, suggesting secondary chemical interactions may also contribute to the overall mechanism. …"
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Land surface temperature responses to land use dynamics in urban areas of Doha, Qatar
منشور في 2024"…The LST data derived from remote sensing sources demonstrates an upward trend for summer and a contrasting trend for winter. Specifically, the mean summer LST increases by 7.64 °C (0.34 °C annually), and the mean winter LST decreases by 4.87 °C (0.22 °C annually). …"
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Short-term outcomes of anterior cruciate ligament reconstruction with or without lateral tenodesis or anterolateral ligament reconstruction: a retrospective cohort
منشور في 2023"…However, there was a significant decrease in postoperative flexion in the ACL and ALL reconstruction group by a mean of 22° (95% CI − 40.7 − 3.4; P = 0.02) at 6 weeks compared to ACLR alone, which was not evident on later follow-ups.…"