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301
An Experimental Investigation of the Effects of Dressing and Grinding Parameters on Sustainable Grinding of Inconel 738 Used for Automated Manufacturing
منشور في 2023"…<p dir="ltr">The significant effect of the dressing process on the surface of the grinding wheel (GW) and the need to provide an optimal dressing condition are the requirements of reduction machining time and energy consumption in the sustainable grinding process. …"
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302
An additive manufacturing approach based on electrohydrodynamic printing to fabricate P3HT:PCBM thin films
منشور في 2023"…The EHDA printed thin-film’s topography, morphology and optical properties were systematically analyzed. The root-mean-square roughness was found to vary significantly with the annealing temperature and the flow rate and ranged from 1.938 to 3.345 nm. …"
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303
Mirizzi Syndrome: Mastering the Challenge, Characterization and Management Outcomes in a Retrospective Study of 60 Cases
منشور في 2024"…</p><h3>Results</h3><p dir="ltr">Among 8200 cholecystectomies, 60 cases of MS were identified, with type 1 being the most prevalent (90%). The mean age of the patients was 44 years, with male predominance (75%). …"
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304
Potential mechanisms of human recombinant arginase I (Co)-PEG5000 [HuArgI (CO) - PRG5000] induced cytotoxicity in glioblastoma cells. (c2018)
منشور في 2018"…The addition of chloroquine, an autophagy inhibitor, increased the sensitivity of cells to [HuArgI (Co)-PEG5000]-mediated arginine depletion at earlier time points. We also concluded that autophagy was activated in response to arginine depletion and plays a protective role at early time points. …"
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masterThesis -
305
Exploring beyond numeric weight loss: The metabolic effects of semaglutide
منشور في 2025"…</u> It also significantly reduced ad libitum <u>energy intake</u>, decreased hunger, and increased satiety in multiple trials. …"
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306
Targeting arginine auxotrophy in pancreatic cancer cells using human recombinant arginase I-induced arginine deprivation. (c2017)
منشور في 2017"…We have established that autophagy, a process of cellular destruction activated in response to arginine deprivation, can be the leading cause of cell death at late drug incubation times. Hence, our study demonstrates that HuArgI (Co)-PEG5000 is a novel, potent and selective potential therapeutic approach for PC.…"
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masterThesis -
307
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"…ObjectiveThe aim of this study is to investigate how hydrogen peroxide (HP) treatments affect enamel porosity and protein structure, as well as their impact on tooth shade and hardness over time. MethodsFifty healthy teeth were collected from adult patients. …"
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article -
308
Channel Network Control on Seasonal Lake Area Dynamics in Arctic Deltas
منشور في 2020"…This shrinkage signal, easily extracted from remote sensing observations, may offer the means to constrain estimates of lacustrine methane emissions and to develop process-based estimates of depth to permafrost on arctic deltas.…"
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309
Spatial, temporal, and demographic patterns in prevalence of chewing tobacco use in 204 countries and territories, 1990–2019: a systematic analysis from the Global Burden of Diseas...
منشور في 2021"…Among females, none of these 12 countries had significant decreases in prevalence of chewing tobacco use, whereas seven of 12 countries had a significant decrease in the prevalence of tobacco smoking use for the period. …"
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310
Supplementation of retrobulbar block with clonidine in vitreoretinal surgery
منشور في 2011"…Conclusions The addition of clonidine 0.5 μg/kg to the local anesthetics of a retrobulbar block for vitreoretinal surgery decreases the frequency of postoperative pain and prolongs the time of analgesia.…"
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article -
311
Raising awareness among health educators and educational institutions of the need to overcome the language barrier among Non-Native English speaking students of Health Sciences in...
منشور في 2015"…This study showed a decrease in 2014 for the proportion of students in the foundation year that studied sciences in English with 73% in 2013 to 39% in 2014. …"
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312
Influence of co-current vapor flow on falling film over horizontal tube
منشور في 2021"…First, the liquid load is varied between 0.02 and 0.05 kg/(m·s), and its effects on the film thickness and the wetting time are calculated, presented and discussed. Afterwards, the impact of co-current vapor flow on film distribution, wetting time, minimum thickness and its location are quantified and examined by increasing the vapor velocity up to 6 m/s with 2 m/s intervals. …"
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313
Sustainable Detoxification of Methylene Blue in Wastewater via Tea Residue Adsorption: Optimization and Kinetics
منشور في 2025"…The impact of various parameters on MB removal was assessed, including solution pH, adsorbent dosage, pollutant concentration, and contact time. Optimal conditions were identified as pH 10, a dosage of 4 g/L, a concentration of 100 mg/L, and a contact time of 2 h, achieving nearly 99% removal efficiency at 25 °C. …"
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314
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315
Throughput of ARQ protocols over Rician, Nakagami and MIMO block fading channels
منشور في 2020"…Keywords: ARQ, throughput, error probability, fading channels, space-time, multiple antennas, transmit diversity, MIMO, Rician, Nakagami.…"
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article -
316
Fixed-interval versus OCT-guided variable dosing of intravitreal bevacizumab in the management of neovascular age-related macular degeneration
منشور في 2012"…Results Compared to baseline, variable dosing had a mean improvement in BCVA of 11.0 letters after 12 months vs 9.2 letters for fixed-interval dosing (P = .81). …"
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article -
317
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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318
Healthcare Professionals' Attitudes Toward Patients With Mental Illness: A Cross-Sectional Study in Qatar
منشور في 2022"…</p> <h3>Results</h3> <p>A total of 406 nurses and 92 doctors participated in the study. The nurses' mean MICA score was significantly higher than that of the physicians. …"
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319
Synergetic effects of dodecylamine-functionalized graphene oxide nanoparticles on antifouling and antibacterial properties of polysulfone ultrafiltration membranes
منشور في 2021"…All membranes were characterized in terms of chemical structure, morphology, hydrophilicity, porosity and mean pore size. Cross-section SEM images showed the distribution of GO and rGO-DDA between the pores and on the polymer walls. …"
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320
Evaluating the impact of the Minimization of Aggression and Violence (MoAV) intervention on mechanical restraint use in Qatar's acute mental health setting
منشور في 2025"…The percentage of restrained patients decreased from 25 % to 4 %, p = (<0.001). The mean duration of restraint incidents slightly increased from 59.1 min in 2016 to 61.3 min in 2021, though this change was not statistically significant. …"