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161
Design and analysis of PV fed high-voltage gain DC-DC converter using PI and NN controllers
منشور في 2022"…To reuse the leakage-inductor (LI) energy of the CI with the help of a passive clamp circuit for reducing the voltage stress across the switch, similarly switch has less resistance so conduction losses also decreased. …"
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162
Assessment of resin systems as solution for well integrity challenge in carbonate reservoirs
منشور في 2023"…<div><p>Well integrity is defined as technical, operational, and organizational solutions specifically aimed at the reduction of the risk of formation fluids release throughout a well's life cycle. Cement integrity is one of the main aspects that comprises well integrity. …"
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163
Reinforcement R-learning model for time scheduling of on-demand fog placement
منشور في 2020"…Nevertheless, taking a real-life scenario, the cloud might limit the number of fogs to place for minimizing the complexity of monitoring a large number of fogs and cost for volunteers that do not offer their resources for free. …"
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164
Coping strategies, optimism, and resilience factors associated with mental health outcomes among medical residents exposed to coronavirus disease 2019 in Qatar
منشور في 2023"…Professional quality of life was measured by the ProQOL scale. The coping mechanisms were assessed with the Brief-COPE, and resilience was measured by the Brief Resilience Scale.…"
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165
Age‐associated cholesterol reduction triggers brain insulin resistance by facilitating ligand‐independent receptor activation and pathway desensitization
منشور في 2019"…In recent studies, we reported that the mild and gradual loss of cholesterol in the synaptic fraction of hippocampal neurons during aging leads to a decrease in synaptic plasticity evoked by glutamate receptor activation and also by receptor tyrosine kinase (RTK) signaling. …"
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166
Crumpled MXene nanosheets for sensing of ascorbic acid in food, biological fluids, and erythrocytes in-vitro microenvironment
منشور في 2023"…The sensor also demonstrated excellent reproducibility (~1 % RSD for five repetitive assays) and a shelf life of nearly one month with a negligible decrease in response. …"
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167
Building A Passive Thermal Management System Using Phase Change Material Embedded In Porous Media
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doctoralThesis -
168
Trade Flow and Nation Brand Distance: A Structural Gravity Model Approach
منشور في 2021"…Overall, the results supported most of the study expectations and found evidence that less nation brand distance between two trading partners will have a positive moderation impact export volume mainly and import volume to some extent. …"
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169
Effects of ethanol addition to diesel–biodiesel blends on the CI engine characteristics
منشور في 2024"…All blends show an increase in brake mean effective pressure (BMEP) compared to B0, with the maximum enhancement observed in B10 with an average increase of 13% across all speeds. …"
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170
Double versus triple arthrodesis for adult-acquired flatfoot deformity due to stage III posterior tibial tendon insufficiency: a prospective comparative study of two cohorts
منشور في 2022"…The mean Hibbs angle decreased from 153.07 to 142.32° (MD = 10.54°, p < 0.001). …"
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171
Cardiorespiratory Fitness and Performance Adaptations to High-Intensity Interval Training: Are There Differences Between Men and Women? A Systematic Review with Meta-Analyses
منشور في 2023"…Data were sub-grouped for men and women, baseline training level, mean age, intervention type, and intervention length. …"
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172
Andrographolide pre-treatment enhances the anti-tumor activity of topotecan on acute myeloid leukemia cells in vitro
منشور في 2016"…However, due to its dose-limiting cytotoxicity, combination treatments have been investigated to achieve better outcome with less side effects. Andrographolide (AG) is a plant-derived compound that was reported to induce apoptosis and autophagy in acute myeloid leukemia cell lines. …"
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173
Accelerating Care: Enhancing Patient Satisfaction through a Quality Initiative in the Obstetrics and Gynaecology Emergency Department at Al Wakra Hospital, Qatar
منشور في 2023"…The proportion of patients spending less than 8 hours in the OB ED observation beds rose from 74% in January 2022 to over 98% in 2023. …"
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174
Women’s empowerment as a determinant of neonatal mortality in Sub-Saharan Africa: a narrative review focused on Nigeria
منشور في 2024"…Critical risk factors commonly identified include inadequate antenatal care (less than three visits), lack of access to skilled and clean birth practices, limited healthcare accessibility, financial barriers, substandard environmental conditions, and nutritional shortfalls. …"
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175
The role of objectively recorded smartphone usage and personality traits in sleep quality
منشور في 2023"…Furthermore, smartphone users with the conscientiousness trait had a longer sleep duration, earlier sleeping time, less sleep distraction, and earlier wakeablity. Sleep distraction was positively associated with openness. …"
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176
Retinal imaging based glaucoma detection using modified pelican optimization based extreme learning machine
منشور في 2024"…For mass fundus image-based glaucoma classification, an improved automated computer-aided diagnosis (CAD) model performing binary classification (glaucoma or healthy), allowing ophthalmologists to detect glaucoma disease correctly in less computational time. We proposed learning technique called fast discrete curvelet transform with wrapping (FDCT-WRP) to create feature set. …"
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177
Stemming cardiovascular diseases in Qatar
منشور في 2015"…Many of the heart attack and stroke patients had diabetes, hypertension, high cholesterol, and/or were smokers, whereas controls were much less likely to have these factors.</p><p>All of these factors are associated with reduced physical activity and increased consumption of high-fat foods. …"
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178
Tranexamic Acid for Traumatic Injury in the Emergency Setting: A Systematic Review and Bias-Adjusted Meta-Analysis of Randomized Controlled Trials
منشور في 2024"…Administering TXA in the out-of-hospital setting is associated with reduced mortality compared to inhospital administration, and less mortality with TXA in systemic trauma is noted compared with traumatic brain injury specifically.…"
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179
Influenza prevalence and vaccine efficacy among diabetic patients in Qatar
منشور في 2023"…Although vaccination reduced the incidence rate among DM patients, it was less effective in preventing symptoms. Further studies on a larger cohort and for a more extended period are required to investigate influenza prevalence and vaccine efficacy among DM patients.…"
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180
Association Between Serum Bicarbonate Levels and Prediabetes and Subclinical Inflammation in Young Healthy Adults: A Cross-sectional Study
منشور في 2023"…</p><h3>Results</h3><p dir="ltr">A total of 825 participants with mean age 29.2 years (5.9) of which 365 (44.2%) were males. …"