STEM: spatial speech separation using twin-delayed DDPG reinforcement learning and expectation maximization حسب Muhammad Salman Khan (7202543)

"…In this paper, a novel speech separation algorithm is proposed that integrates the twin-delayed deep deterministic (TD3) policy gradient reinforcement learning (RL) agent with the expectation maximization (EM) algorithm for clustering the spatial cues of individual sources separated on azimuth. …"

Grid integration of renewable energy in Qatar: Potentials and limitations حسب Eric C. Okonkwo (14151060)

"…The results show that large-scale installations of renewable energy technologies can decrease the emission rate from electricity production at a relatively lower cost. …"

Dispatchable capacity optimization strategy for battery swapping and charging station aggregators to participate in grid operations حسب Mingze Zhang (9947863)

"…Also, the aggregator does not worsen the original power load while meeting the EV swapping demand and can decrease the daily load fluctuations by 0.65% and 12.89%, reduce the peak–valley difference by 5.81% and 7.80%, and increase the load rate by 3.67% and 4.08% in working and non-working day situations through providing the dynamic dispatchable capacity for the grid.…"

Unraveling the future productivity burden of cardiovascular disease in Qatar: Investigating the modifiable risk factors control in type 2 diabetes حسب Abushanab, Dina

"…However, implementing interventions to decrease the T2D incidence, lower SBP, reduce the number of smokers, and improve the total cholesterol could yield gains of 200,408, 198,173, 194,725, and 113,462 PALYs, respectively. …"
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"Thunderstorm distribution and frequency in Saudi Arabia" حسب Shwehdi, M. H.

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The effect of StarD13 on colorectal cancer proliferation and invasion. (c2013) حسب Nasrallah, Anita I.

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Isolation and study of Lipase activity of an olive oil degrading Thermoactionomyces SP. (c2002) حسب Al Khudary, Rami

"…The isolate grew optimally at a temperature of 60°C, a pH of 7.3, and an orbital shaking of 250 r.p.m. It showed an efficient olive oil degrading ability. …"
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Local arterial vasoconstriction induced by octreotide in patients with cirrhosis حسب Chatila, Rajaa

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Changes in Physical Activity and Sedentary Behavior Amid Confinement: The BKSQ-COVID-19 Project حسب Mahmoud A Alomari (12150939)

"…Among the participants who were regularly involved in PA, the majority (41.8–42.2%) of the participants reported a “decrease” (p<0.05) in walking, jogging, and sports while the majority (46.3–53.1%) reported a “no change” (p<0.05) in swimming, cycling, and weight lifting. …"

Leveraging sentiment analysis of Arabic Tweets for the 2022 FIFA World Cup insights, incorporating the gulf region حسب Wadih Ishac (18061304)

"…After data cleaning, a refined dataset of 43,658 tweets, was categorized into positive, neutral, and negative sentiments based on sentiment scores.</p><h3>Findings</h3><p dir="ltr">Arabic tweets, initially held a positive sentiment towards the World Cup, which increased during the tournament, accompanied by a decrease in negative sentiment.…"

IoT‐based mock oxygenator for extracorporeal membrane oxygenation simulator حسب Aya Sayed (14779249)

"…For the context of simulation-based training (SBT) oxygenators are often expensive and cannot be recycled owing to contamination issues.</p> <h3> Methods</h3> <p>Consequently, it is advised that the training process include a simulated version of oxygenators to optimize reusability and decrease training expenses. …"

Reducing terrorism with development ; the United Nations' new path. (c2009) حسب Kassis, Maria-Rita

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PD-L1 Expression in Human Breast Cancer Stem Cells Is Epigenetically Regulated through Posttranslational Histone Modifications حسب Pramod Darvin (153341)

"…The active demethylation of PD-L1 promoter was confirmed by the increase in the distribution of 5hmC and decrease in 5mC levels and the upregulation of TET3 and downregulation of DNMTs enzymes in MCF-7 tumorspheres, compared with the cell line. …"

An Exploration of Smoking Patterns Among People with Serious Mental Illness Attending an Outpatient Clinic in Qatar حسب Monica Zolezzi (10115698)

"…<h3>Background</h3><p dir="ltr">Studies have shown that tobacco use is exceptionally high in people affected with serious mental illness (SMI). …"

Performance analysis of a small-scale Orthopter-type Vertical Axis Wind Turbine حسب ElCheikh, A.

"…Wind tunnel experiments were carried out to measure the torque of two-, three, and four-bladed turbine, each at a set of different wind speeds and blade aspect ratios. …"
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Walking around the preferred speed: examination of metabolic, perceptual, spatiotemporal and stability parameters حسب Lina Majed (7485380)

"…Thirty-four young sedentary adults (18 women) volunteered to walk at seven speeds relative to their PWS in 3-min trials interspaced with 3-min rest intervals. …"

Coping strategies, optimism, and resilience factors associated with mental health outcomes among medical residents exposed to coronavirus disease 2019 in Qatar حسب Malek Smida (14777104)

"…Strategies promoting optimism, resilience, and approach coping styles can decrease the mental health burden of the pandemic on medical residents.…"

Children safety risk factors in Khorasan Razavi province حسب Ali Zayerzadeh (19774491)

"…Analysis of reported accidents during recent years showed that the number of traffic accidents sharply decreased that could be a result of educational programs along with traffic calming measure around schools. …"

Effect of anions on the structural, morphological and dielectric properties of hydrothermally synthesized hydroxyapatite nanoparticles حسب Lakshmanaperumal Sundarabharathi (14152482)

"…The εʹ and dielectric loss (εʹʹ) values for the HA nanoparticles decrease with increase in the applied frequency as well. …"

Fluid-Structure-Acoustic coupling analysis for external laminar and turbulent fluid flows حسب Tohid, Adibi

"…The results indicate that the transmission loss is 27% more at the elastic plate’s highest position. By decreasing the length of the elastic plate by 50%, the mean transmission loss is reduced by 9%. …"
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