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Intelligent route to design efficient CO<sub>2</sub> reduction electrocatalysts using ANFIS optimized by GA and PSO
منشور في 2022"…In doing so, to represent the surface properties of the electrocatalysts numerically, d-band theory-based electronic features and intrinsic properties obtained from density functional theory (DFT) calculations were used as descriptors. Accordingly, a dataset containg 258 data points was extracted from the DFT method to use in machine learning method. …"
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Internet Searches for Medical Symptoms Before Seeking Information on 12-Step Addiction Treatment Programs: A Web-Search Log Analysis
منشور في 2019"…<h3>Background</h3><p dir="ltr">Brief intervention is a critical method for identifying patients with problematic substance use in primary care settings and for motivating them to consider treatment options. …"
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Thermochemical splitting of CO<sub>2</sub> using solution combustion synthesized lanthanum–strontium–manganese perovskites
منشور في 2021"…The LSM perovskites are synthesized via a solution combustion synthesis (SCS) method using glycine as the reducing agent. Multiple analytical techniques are used for the structural characterization of the LSM perovskites. …"
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The impact of COVID‐19 pandemic lockdown on smoking habits and lifestyle: A cross‐sectional study
منشور في 2023"…</p><h3>Methods</h3><p dir="ltr">A cross‐sectional online survey was designed using the Google Forms service and distributed by social media platforms. …"
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Land surface temperature responses to land use dynamics in urban areas of Doha, Qatar
منشور في 2024"…This study investigates the impact of land use and land cover changes on summer and winter LSTs in Doha and Al Dayeen municipalities of Qatar, spanning from the years 2000 to 2023, using remote sensing techniques and Geographic Information Systems (GIS). …"
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Evidence-based safety education and training for traffic injury prevention
منشور في 2015"…Bicycle skill training for children and youth may increase their safety knowledge, but not necessarily improve their behavior or decrease their injury rates. Non-legislative interventions were found effective for increasing observed helmet use among bicyclists. …"
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An Experimental Investigation of the Effects of Dressing and Grinding Parameters on Sustainable Grinding of Inconel 738 Used for Automated Manufacturing
منشور في 2023"…In other words, increasing the dressing feed rate during dressing of the grinding wheel using a multipoint dresser makes a finer wheel surface topography and as a result decreases the surface roughness of the ground workpiece compared to a single-edge dresser. …"
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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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Use of Carbide Derived Carbon in Water Treatment and Thermal Fluids Applications
منشور في 2021"…More than 26% enhancement in thermal conductivity of thermal fluids was obtained by using 0.3 wt% CDC. These findings indicate a promising potential of using CDC for heat transfer applications such as heat exchangers and district cooling units.…"
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Preparation of Mesoporous/Microporous MnCo<sub>2</sub>O<sub>4</sub> and Nanocubic MnCr<sub>2</sub>O<sub>4</sub> Using a Single Step Solution Combustion Synthesis for Bifunction Oxy...
منشور في 2020"…<p dir="ltr">We report the synthesis of mesoporous/microporous MnCo<sub>2</sub>O<sub>4</sub> and cubic MnCr<sub>2</sub>O<sub>4 </sub>using solution combustion synthesis for oxygen reduction and oxygen evolution reactions. …"
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Land surface temperature responses to land use dynamics in urban areas of Doha, Qatar
منشور في 2024"…This study investigates the impact of land use and land cover changes on summer and winter LSTs in Doha and Al Dayeen municipalities of Qatar, spanning from the years 2000 to 2023, using remote sensing techniques and Geographic Information Systems (GIS). …"
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Psychological inoculation against problematic social media use among adolescents: An experimental study
منشور في 2025"…A mixed ANCOVA was employed to test the intervention's impact on PSMU, post‐intervention attitude changes, and post‐inoculation talk (PIT) about excessive technology use. Results indicated a significant decrease in PSMU levels following active inoculation, particularly in withdrawal, persistence, displacement, and deception symptoms. …"
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A slow but steady nanoLuc: R162A mutation results in a decreased, but stable, nanoLuc activity
منشور في 2024"…Mutation of the two residues in NLuc revealed a decreased but stable activity of the R162A, but not Q32A, mutant NLuc in live cell and in vitro assays performed using lysates prepared from cells expressing the proteins and with the furimazine substrate. …"
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Excess pCO2 and carbonate system geochemistry in surface seawater of the exclusive economic zone of Qatar (Arabian Gulf)
منشور في 2022"…CO2 is lost from the Gulf due to gas exchange, decreasing DIC, and reducing pCO2 to 464 μatm, similar to that observed. …"
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apoA2 correlates to gestational age with decreased apolipoproteins A2, C1, C3 and E in gestational diabetes
منشور في 2021"…The fact that apoA2 correlated with gestational age at delivery in both control women and women with GDM raises the hypothesis that apoA2 may be used as a biomarker of premature delivery, and this warrants further investigation.…"
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Decreased Interfacial Dynamics Caused by the N501Y Mutation in the SARS-CoV-2 S1 Spike:ACE2 Complex
منشور في 2022"…Here, we dissect the mechanism underlying the increased binding affinity of the N501Y mutant for ACE2 using molecular dynamics (MD) simulations of the available ACE2-S1-RBD complex structure (6M0J) and show a prolonged and stable interfacial interaction of the N501Y mutant S1-RBD with ACE2 compared to the wild type S1-RBD. …"
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Intracellular Ionic Strength Sensing Using NanoLuc
منشور في 2021"…Biochemical experiments using a recombinantly purified protein showed that NanoLuc bioluminescence is dependent on the ionic strength of the reaction buffer for a wide range of ionic strength conditions. …"
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Luspatercept's use in a patient with transfusion‐dependent beta‐thalassemia and intrathoracic extramedullary hematopoiesis (EMH)
منشور في 2024"…While also highlighting the benefits of using luspatercept regarding decreasing the iron overload and improving hemoglobin levels and examining how it was used safely to manage a transfusion‐dependent thalassemia patient with an extramedullary hematopoiesis mass with no adverse events of note.…"
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Efficacy and safety of using Etelcalcetide for controlling secondary hyperparathyroidism
منشور في 2024"…<h3>Background</h3><p dir="ltr">In Qatar, secondary hyperparathyroidism (SHPT) is a common problem in haemodialysis (HD) patients, associated with significant clinical consequences for Chronic Kidney Disease (CKD) patients, including osteitis fibrosa cystica and calcific cardiovascular disease, broadly referred to as CKD–mineral bone disorder. Cinacalcet is used in controlling SHPT in HD patients. Unfortunately, 56 % of patients do not tolerate it due to mainly gastrointestinal side effects leading to poor compliance, especially during the COVID-19 pandemic when patients had difficulties in accessing the medicine and having proper follow-up. …"