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561
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. Concerning sleep, 46.1% reported an increase in average sleep duration per day (0.77 h mean increase, 95% CI: 0.66-0.88, P<0.001), and a third of participants reported poorer sleep quality. …"
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562
Synergetic effects of dodecylamine-functionalized graphene oxide nanoparticles on antifouling and antibacterial properties of polysulfone ultrafiltration membranes
منشور في 2021"…Permeability, separation and antifouling experiments were performed in a cross-flow membrane setup and showed that flux decreases with the increase in GO and rGO-DDA concentration. rGO-DDA membranes showed higher antifouling and antibacterial performance compared to the pristine PSF and GO membranes. …"
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563
Influence of co-current vapor flow on falling film over horizontal tube
منشور في 2021"…This study focuses on analyzing the effects of co-current vapor flow on falling film distribution and hydrodynamics. A two-dimensional (2D) computational fluid dynamics model is developed and validated, in which sea water enters at 65 °C, which represents the maximum limit of current MED plant, and falls on a tube of 25.4 mm diameter from a 2 mm orifice. …"
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564
Fourier-Transform Infrared Imaging Spectroscopy and Laser Ablation -ICPMS New Vistas for Biochemical Analyses of Ischemic Stroke in Rat Brain
منشور في 2018"…Areas close to the stroke focus experienced decrease in the lipid and lipid acyl contents associated with an increase in lipid ester, olefin, and methyl bio-contents with a novel finding of Aβ1-42 in the PL-GM and L-WM. …"
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565
Towards secure private and trustworthy human-centric embedded machine learning: An emotion-aware facial recognition case study
منشور في 2023"…We find that input quantization partially degrades the efficacy of adversarial and backdoor attacks at the cost of a slight decrease in accuracy over clean inputs. …"
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566
Sanguinarine Induces Apoptosis Pathway in Multiple Myeloma Cell Lines via Inhibition of the JaK2/STAT3 Signaling
منشور في 2019"…SNG treatment of MM cells resulted in a dose-dependent decrease in cell viability through mitochondrial membrane potential loss and activation of caspase 3, 9, and cleavage of PARP. …"
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567
Magnesium-reinforced PMMA composite scaffolds: Synthesis, characterization, and 3D printing <i>via</i> stereolithography
منشور في 2025"…Notably, pure PMMA exhibited the highest tensile strength, 26.23 ± 0.14 MPa and an elastic modulus of 707.81 MPa, while PMMA resin/1% Mg showed the lowest strength (19.46 ± 0.25 MPa) and modulus (392.88 MPa), indicating a decrease in mechanical integrity with higher Mg content. …"
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568
Factors Affecting Waterpipe Tobacco Smoking among University Students in Qatar
منشور في 2021"…</p><h3>Conclusions and implications</h3><p dir="ltr">The findings shed light on factors shaping WTS and provide evidence for designing multilevel behavioral interventions to decrease the prevalence of WTS among youth.</p><h2>Other Information</h2><p dir="ltr">Published in: Substance Use & Misuse<br>License: <a href="http://creativecommons.org/licenses/by-nc-nd/4.0/" target="_blank">http://creativecommons.org/licenses/by-nc-nd/4.0/</a><br>See article on publisher's website: <a href="https://dx.doi.org/10.1080/10826084.2021.2012695" target="_blank">https://dx.doi.org/10.1080/10826084.2021.2012695</a></p>…"
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569
The effect of Hydrogen Peroxide treatments on dental enamel porosity and protein structure and its long-term implications on tooth hardness and optical properties
منشور في 2025"…Tooth shade and enamel microhardness were evaluated using a digital spectrophotometer and a Vickers tester, respectively, at different time intervals after treatment. …"
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570
Vitamin D association with coagulation factors in polycystic ovary syndrome is dependent upon body mass index
منشور في 2021"…It is reported that PCOS subjects show marked platelet dysfunction and decreased plasma fibrinolytic activity, resulting in a prothrombotic state. …"
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571
School children growth monitoring program in the state of Qatar: Observations from two survey rounds in 2016–17 and 2019–20
منشور في 2023"…</p><h3>Results</h3><p dir="ltr">Overall, the proportion of overweight and obese category of students increased from 44% in 2016–17 to 49.3% in 2019–20 with a decrease in the proportion of students in normal BMI‐z‐score category (from 48.8% to 47.8%) and severe thinness and thinness category (from 7.3% to 3%) between two rounds of growth monitoring survey. …"
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572
Dietary Curcumin Nanoparticles Improve Growth Performance, Oxidative Status and Immune Response of European Seabass (<i>Dicentrarchus Labrax</i>)
منشور في 2024"…Fish fed with CURNPS at various levels exhibited remarkable increase in digestive enzymes (amylase and lipase), immune markers (immunoglobulin G (IgG), lysozyme and phagocytic indices), and antioxidant enzymes (superoxide dismutase (SOD), catalase (CAT) and glutathione peroxidase (GPx)). A noticeable decrease (P<0.05) in malondialdehyde (MDA) and considerable upregulation of hepatic insulin-like growth factor 1 (IGF1) and interleukin-1beta (IL-1β) mRNA levels were found in CURNPs-supplemented fish in a dose-dependent manner. …"
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573
Effect of Hypoxia on Muscle Activation During Incremental Exercise at Equivalent Relative Intensity
منشور في 2024"…In the ramp test, there was a significant decrease in muscle activation for rmsRF% (<i>P</i>= 0.049; d = 0.61) and rmsVM% (<i>P</i> = 0.01; d = 0.84) in peak power output (PPO). …"
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574
Impact of severe hypoglycemia on the heat shock and related protein response
منشور في 2021"…An increase in pro-inflammatory IL-6, with a decrease in anti-inflammatory IL-10, suggests that the HSP system is overactivated due to underlying inflammation in T2D.…"
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575
Trends of the Dementia Burden in South Asia: An Analysis of 2021 Global Burden of Disease Study
منشور في 2025"…</p><h3>Results</h3><p dir="ltr">A slight decrease in incidence rates from 80.57 to 79 per 100,000 was observed, alongside a significant increase in mortality rates from 14.11 to 17.2 per 100,000. …"
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576
Fast Sampling of Score-Based Models With Cyclical Diffusion Sampling
منشور في 2024"…<p dir="ltr">Diffusion models have recently exhibited significant potential in generative modeling, surpassing generative adversarial networks concerning perceptual quality and autoregressive models in density estimation. However, a notable drawback of these models is their slow sampling time, requiring numerous model evaluations to generate high-quality samples. …"
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577
Evidence-based safety education and training for traffic injury prevention
منشور في 2015"…</p><h2 dir="ltr">Other Information</h2><p dir="ltr">Published in: Journal of Local and Global Health Science, title discontinued as of (2017)<br>License: <a href="https://creativecommons.org/licenses/by/4.0/deed.en" target="_blank">https://creativecommons.org/licenses/by/4.0/</a><br>See article on publisher's website: <a href="https://dx.doi.org/10.5339/jlghs.2015.itma.89" target="_blank">https://dx.doi.org/10.5339/jlghs.2015.itma.89</a></p>…"
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578
The Pros and Cons of Use of Handheld Electronic Devices During Ward Rounds and the Impact of the COVID-19 Pandemic
منشور في 2023"…The COVID-19 pandemic led to a decrease in the use of HEDs by both faculty [38(64%)] and PGTs [42(60%)].…"
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579
Enhanced PSO-Based NN for Failures Detection in Uncertain Wind Energy Systems
منشور في 2023"…The proposed methodology improves the diagnosis abilities, reduces the computation time, and decreased the storage cost. The presented experimental results prove the high performance of the suggested paradigms in terms of computation time and accuracy.…"
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580
Use of Carbide Derived Carbon in Water Treatment and Thermal Fluids Applications
منشور في 2021"…Water scarcity is a global issue due to the increasing demand and consumption of natural water resources, which are under stress from; a growing human population, decreasing ground water tables and precipitation, and increasing agriculture, industrialization and urbanization. …"