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

"…<p>Although many high-performing speech separation models have been proposed recently, little attention has been paid to making them lightweight. 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. …"

Ultra-Low Energy CNFET-Based Ternary Combinational Circuits Designs حسب Ramzi A. Jaber (16888755)

"…<p>The embedded systems, IoT (Internet of Things) devices, and portable electronic devices spread very quickly recently. Most of them depend on batteries to operate. The target of this work is to decrease energy consumption by (1) using Multiple-valued logic (MVL) that shows notable enhancements regarding energy consumption over binary circuits and (2) using carbon nanotube field-effect transistors (CNFET) that show better performance than CMOS. …"

A comprehensive review of the chemical-based conformance control methods in oil reservoirs حسب Perekaboere Ivy Sagbana (19546987)

"…This increasing problem has forced oil companies to reconsider methods that promote an increase in oil recovery and a decrease in water production. Many techniques have been applied over the years to reduce water cut, with the application of chemicals being one of them. …"

Unraveling the future productivity burden of cardiovascular disease in Qatar: Investigating the modifiable risk factors control in type 2 diabetes حسب Dina Abushanab (10696501)

"…The financial value of PALYs was determined based on the gross domestic product (GDP) per full-time worker (i.e. US$80,573). The base-case model estimated the productivity burden of CVD, and interventional scenarios were simulated to assess potential gains resulting from improved control of modifiable risk factors, including reduced incidence of T2D, lower systolic blood pressure (SBP), decreased number of smokers, and reduced total cholesterol. …"

The global, regional, and national burden of inflammatory bowel disease in 195 countries and territories, 1990–2017: a systematic analysis for the Global Burden of Disease Study 20... حسب Sudabeh Alatab (11257335)

"…The age-standardised death rate decreased from 0·61 (0·55–0·69) per 100 000 population in 1990 to 0·51 (0·42–0·54) per 100 000 population in 2017. …"

Analyzing the effectiveness of various coatings to mitigate photovoltaic modules soiling in desert climate حسب Alaa Elsafi (22282354)

"…The results indicate a decrease in light transmittance and an increase in surface coverage area over time due to dust accumulation. …"

Association Between Serum Bicarbonate Levels and Prediabetes and Subclinical Inflammation in Young Healthy Adults: A Cross-sectional Study حسب Abeer A Omar (21623774)

"…</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. …"

Using primary healthcare facilities and patients’ expectations about triage system: Patients’ perspective from multisite Jordanian hospitals حسب Mohammad Minwer Alnaeem (19143733)

"…<h3>Background</h3><p dir="ltr"> Using primary healthcare facilities can decrease the tension and workload in emergency departments (EDs). …"

Effects of ethanol addition to diesel–biodiesel blends on the CI engine characteristics حسب Fakher Hamdi (21225134)

"…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. …"

Enhancing the production of biogas through anaerobic co-digestion of agricultural waste and chemical pre-treatments حسب Fares Almomani (12585685)

"…Further improvement was achieved via alkalinity treatment with 1.0 g of NaHCO₃/gVS leading to decrease in lignin, cellulose, and hemicellulose contents of feedstock by 3.5%, 10.5% and 15.9%, respectively, converting them to soluble fractions and improving the CMP by 11.2–29.7% based on substrate quality. …"

Production and investigation of flexible nanofibers of sPEEK/PVP loaded with RuO2 nanoparticles حسب Mariem Chamakh (14150481)

"…These observations revealed the enhancement of nanofiber properties at low temperatures, which make them suitable for different applications including supercapacitor as well as sensor applications at low temperatures.…"

Dietary Curcumin Nanoparticles Improve Growth Performance, Oxidative Status and Immune Response of European Seabass (<i>Dicentrarchus Labrax</i>) حسب Albandari Bin-Ammar (16381128)

"…Growth performance (final body weight (FBW), daily weight gain (DWG), weight gain (WG), relative growth rate (RGR), and protein efficiency ratio (PER)) and feed uptake (feed conversion rate (FCR)) were improved significantly in CURNPs (100 and 150 mg/ kg)-supplemented groups. …"

The impact of COVID‐19 pandemic lockdown on smoking habits and lifestyle: A cross‐sectional study حسب Almu'atasim Khamees (11875640)

"…While those who had a decrease in their smoking level experienced a somehow healthier lifestyle regarding nutrition and other aspects.…"

Understanding the progress and challenges in the fields of thermo-catalysis and electro-catalysis for the CO₂ conversion to fuels حسب V. S. K. Yadav (17727660)

"…Availability of suitable facilities and prior understanding how electro and thermal catalysis work renders them as appealing platforms for conversion of CO₂. …"

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

"…In this study, we analyzed CpG methylation of PD-L1 promoter in MCF-7 and BT-549 breast cancer cells and tumorspheres derived from them. PD-L1 promoter was significantly hypomethylated in MCF-7 tumorspheres, but not from BT-549 tumorspheres, compared with their cell line counterparts. …"

Optimization of design and operation of solar assisted district cooling systems حسب Dana M. Alghool (18387132)

"…Nevertheless, solar assisted cooling is not yet widely deployed because of many barriers amongst them the presumed high investment cost of solar cooling technology. …"

Role of family in supporting children with mental disorders in Qatar حسب Abdulnaser A. Fakhrou (16855155)

"…There are certain behaviors of family members that can increase or decrease stress for the person. The results suggest that the family plays an essential role in supporting and promoting the lives of people with mental disorders and recommending effective ways to cope with them.…"

Cost-Benefit Analysis of Antimicrobial Stewardship Program in the Adult General Medicine Setting in Qatar حسب Dina Abushanab (10696501)

"…</p><h3> Results</h3><p dir="ltr">The operational costs of the program decreased with maturity by cost savings of QAR125 per 100-patient beds per year. …"

An additive manufacturing approach based on electrohydrodynamic printing to fabricate P3HT:PCBM thin films حسب Zulfikre Esa (19457344)

"…As the annealing temperature and the flow rate were increased, discernible alterations in the PCBM clusters were consequently observed in the blends of the film and the size of the PCBM clusters has decreased by 3% while the distance between them was highly reduced by as much as 82%.…"

A robust experimental-based artificial neural network approach for photovoltaic maximum power point identification considering electrical, thermal and meteorological impact حسب Samer Gowid (15955152)

"…The results showed a decrease in the MSE of V_mp by 74.3% (from 1.6 V to 0.411 V), and in the MSE of I_mp by 95% (from 4.4e−6 A to 2.16e−7 A), respectively. …"