New algorithm based active method to eliminate stick-slip vibrations in drill string systems by Fourat Zribi (21347900)

“…In fact, the proposed controller presented a reduction of nearly 26% in terms of overshoot and 1.6 times better settling time values while having the smoother input signal.…”

Privacy-Preserving Fog Aggregation of Smart Grid Data Using Dynamic Differentially-Private Data Perturbation by Fawaz Kserawi (16904859)

“…We describe our differentially-private model with flexible constraints and a dynamic window algorithm to maintain the privacy-budget loss in infinitely generated time-series data. Our experimental results show a possible decrease in data perturbation error by 51.7% and 61.2% for smart meters and fog-computing data aggregators perturbed data, respectively, compared to the commonly used Gaussian mechanism.…”

Investigation of the structural, optical and gas sensing properties of PANI coated Cu–ZnS microsphere composite by Hemalatha Parangusan (6556133)

“…In particular, PANI/Cu–ZnS sensor shows good response (31 s) and recovery time (23 s) upon exposure to CO₂ gas. …”

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

“…A one-year dynamic analysis based on an hourly time step is conducted using the EnergyPLAN tool. …”

Insights on the effect of water content in carburizing gas mixtures on the metal dusting corrosion of iron by El Tayeb Bentria (9904024)

“…The reactions happening in the sample at different water concentrations and at different time frames are explored. We demonstrate that the presence of water on a clean Fe surface promotes different catalytic reactions at the beginning of the simulations that boost the C, H, O diffusion into the sample. …”

The Economic Impact of Optimizing a COVID-19 Management Protocol in Pre-Existing Cardiovascular Disease Patients by Dina Abushanab (10696501)

“…In the critically ill patients, however, the cost increased from QAR202,094 (USD 55,505) to QAR292,856 (USD 80,433) per patient, with added cost of QAR90,762 (USD 24,928). …”

Infliximab versus ciclosporin in steroid resistant acute severe ulcerative colitis: a model-based cost-utility analysis of data from CONSTRUCT pragmatic trial by Mohammed Fasihul Alam (6832217)

“…Beyond 2-year trial follow-up, Markov model predicted a decrease in colectomy rate, but it remained slightly higher for ciclosporin. …”

Hypospadias Reconstruction Training: Development of an Ex-Vivo Model for Objective Evaluation of Surgical Skills by Abbas, Tariq

“…Additionally, the mean power spectral density of the EMG signal decreased notably post-training. …”
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Follow up and comparative assessment of IgG, IgA, and neutralizing antibody responses to SARS-CoV-2 between mRNA-vaccinated naïve and unvaccinated naturally infected individuals ov... by Salma Younes (6424865)

“…To explore the relationship between the antibody responses and time, Spearman's correlation coefficient was computed. …”

Crystallization properties of arsenic doped GST alloys by Vinod E. Madhavan (8136774)

“…Optical band gap (E_opt) values of the as-deposited films show a clear increasing trend; 0.6 eV for GST to 0.76 eV for (GST)_0.85As_0.15. …”

Physical Exercise Reduces the Expression of RANTES and Its CCR5 Receptor in the Adipose Tissue of Obese Humans by Engin Baturcam (309036)

“…In the present study, we investigated for the first time the effect of physical exercise on the expression of RANTES and CCR5 in obese humans. …”

Sestrin2 suppression aggravates oxidative stress and apoptosis in endothelial cells subjected to pharmacologically induced endoplasmic reticulum stress by Munazza T. Fatima (17280679)

“…We investigated here, for the first time, the impact of SESN2 suppression on oxidative stress and cell survival in human endothelial cells subjected to pharmacologically (thapsigargin)-induced ER stress and studied the underlying cellular pathways. …”

High-Performance Acetic Acid Sensing Using Cerium-MoS₂ Composite for Beverages and Food Processing Industry by E. Safamariyam (22330186)

“…Developing advanced sensing technologies capable of real-time, sensitive detection of acetic acid is crucial for addressing analytical challenges and meeting the growing demand for efficient monitoring solutions across various industries. …”

Excess pCO2 and carbonate system geochemistry in surface seawater of the exclusive economic zone of Qatar (Arabian Gulf) by Connor, Izumi

“…CO2 is lost from the Gulf due to gas exchange, decreasing DIC, and reducing pCO2 to 464 μatm, similar to that observed. …”
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The effects of long-term testosterone treatment on endocrine parameters in hypogonadal men: 12-year data from a prospective controlled registry study by Aksam Yassin (14779204)

“…In this single-centre, cumulative, prospective, registry study, 321 hypogonadal men (mean age: 58.9 years) received testosterone undecanoate injections in 12-week intervals for up to 12 years. …”

Acute intense fatigue does not modify the effect of EVA and TPU custom foot orthoses on running mechanics, running economy and perceived comfort by Ken Van Alsenoy (14150559)

“…Two-way repeated measures ANOVA [condition (CON, EVA, and TPU) × fatigue (fresh and fatigued)] were conducted. Flight time shortened (P = 0.026), peak braking (P = 0.016) and push-off (P = 0.032) forces decreased and vertical stiffness increased (P = 0.014) from before to after the repeated-sprint exercise, independent of footwear condition. …”

Which factor explains the life‐history of <i>Xanthium strumarium</i> L., an aggressive alien invasive plant species, along its altitudinal gradient? by Rafi Ullah (8146836)

“…Among climatic variables, mean yearly temperature, mean annual yearly humidity, and mean day length in hours, while in soil variables, organic matter and nitrogen percentage significantly affect the phenological and morphological stages. …”

Intelligent route to design efficient CO₂ reduction electrocatalysts using ANFIS optimized by GA and PSO by Majedeh Gheytanzadeh (17541927)

“…Considering the high cost and time-consuming experimental investigations, computational methods, particularly machine learning algorithms, can be the appropriate approach for efficiently screening the metal alloys as the electrocatalysts. …”

Fabrication of Ag₂O/WO₃ based sensors for detection of hydrogen sulfide by Ahmad Al-Sarraj (17151007)

“…This study demonstrates that Ag₂O/WO₃ sensors offer enhanced low-temperature sensing with reasonable response time, low operating power, and simple fabrication that can be promising sensors for H₂S, which may be utilized as wearable devices and in the industrial setting.…”

Effect of speed and gradient on plantar force when running on an AlterG® treadmill by Athol Thomson (6651008)

“…Maximum plantar force and contact time were recorded using a wireless in-shoe force sensor insole system.…”