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501
Graphite and metal nitrate-infused HDPE composites for enhanced thermal performance in energy-efficient building envelopes
Published 2025“…The Cu-doped CQD composite exhibited a substantial enhancement in thermal conductivity compared to bare HDPE, with an improvement of approximately 10.5%. Additionally, dielectric measurements revealed that Bi-, Fe-, and Cu-doped composites exhibited the highest improvements in conductivity, indicating strong interfacial interactions and effective charge transport pathways within the composite matrix. …”
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502
Production and investigation of flexible nanofibers of sPEEK/PVP loaded with RuO2 nanoparticles
Published 2021“…The samples were synthesized with different concentrations of hydrous ruthenium chloride of 2 wt%, 5 wt%, and 10 wt%, and then annealed at a temperature of 300 °C for 4 h to form the ruthenium oxide nanoparticles. …”
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503
Effect of anions on the structural, morphological and dielectric properties of hydrothermally synthesized hydroxyapatite nanoparticles
Published 2019“…For the particles obtained from nitrate, acetate, chloride and egg shell precursors respectively give dielectric constant (εʹ) values of 9.96, 13.22, 9.92 and 10.86 at 5 MHz. The εʹ and dielectric loss (εʹʹ) values for the HA nanoparticles decrease with increase in the applied frequency as well. …”
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504
Characterizing the dynamics of climate and native desert plants in Qatar
Published 2024“…However, the probability of rainfall events over 80 mm was less than 5%, while low rainfall seasons (1–17 mm) were more likely (90–99% chance). …”
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505
Hydrogen energy systems: Technologies, trends, and future prospects
Published 2024“…Adoption at scale could decrease global <i>CO</i><sub><em>2</em></sub><sub> </sub>emissions by up to 830 million tonnes annually. …”
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506
A Machine Learning Approach on Chest X-Rays for Pediatric Pneumonia Detection
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doctoralThesis -
507
Energy Efficient Refurbishment for Existing Office Building in UAE
Published 2011“…Upon preliminary screening a B+G+5 storey office building built in mid nineties was chosen as base building for the study. …”
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508
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...
Published 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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509
A customised fetal growth and birthweight standard for Qatar: a population-based cohort study
Published 2024“…Constitutional coefficients significantly affecting birthweight were gestational age, height, weight, and parity. The main pathological factors were preexisting diabetes (increase by +175.7 g) and smoking (decrease by −190.9 g). …”
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510
Anticancer Effects of Lebanese Cannabis Oil Against in vivo and in vitro Models of Squamous Cell Carcinoma
Published 2023“…Intraperitoneal treatment of mice with COE (10, 25 or 50 mg/kg; 9 weeks) showed a non-significant decrease in tumor volume with respect to control, without adverse effects on liver and kidney function. …”
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masterThesis -
511
Building A Passive Thermal Management System Using Phase Change Material Embedded In Porous Media
Published 2021Get full text
doctoralThesis -
512
Structural Hole Theory, Audit Committee Member Gender, and Financial Restatements
Published 2022Get full text
doctoralThesis -
513
Optimizing the Cleaning Frequency of Solar Photovoltaic (PV) systems Using Numerical Analysis
Published 2021Get full text
doctoralThesis -
514
Influenza prevalence and vaccine efficacy among diabetic patients in Qatar
Published 2023“…Among the typed IVA-positive cases, 33.4% were H1N1, and 7.7% were H3N2. A significant decrease in influenza infections was reported in vaccinated DM patients (14.5%) when compared to non-vaccinated patients (18.9%) (p-value = 0.006). …”
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article -
515
Student perceptions towards interprofessional education
Published 2016“…The Lebanese American University Interprofessional Education (LAU IPE) Steps Framework consists of a five-step workshop-based series that is offered throughout the curriculum of health and social care students at an American university in Lebanon. …”
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article -
516
The effect of soft background music, Mozart music, on the three levels of students' engagement. (c2016)
Published 2016“…The ABAB design was used to examine the effect of Mozart music on engagement. The following five instruments were used: SESQ-ENG, TERF-N, semi-structured interviews with the teachers, focus group interviews with the students, and observations. …”
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masterThesis -
517
Wales’ tourists not a burden for local healthcare
Published 2016“…<p>Researchers in southern Wales reviewed nine-years-worth of hospital data and found non-Welsh residents accounted for only 0.5% of unintentional injuries presenting to an emergency department.…”
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518
Pleiotropic functions of the tumor- and metastasis-suppressing matrix metalloproteinase-8 in mammary cancer in MMTV-PyMT transgenic mice
Published 2015“…Using quantitative real-time RT-PCR, we tracked the expression of the entire Mmp and Timp gene families, observing a significant decrease in Mmp3 expression in Mmp8-null tumors compared to wild-type and heterozygotes throughout the time course of the model, which was confirmed at the protein level. …”
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519
Quantitative Compressibility Effects in Thermal Elastohydrodynamic Circular Contacts
Published 2015“…The results reconfirm the well-known observations that minimum film thickness is very little affected by lubricant compressibility while central film thickness decreases linearly with the increase in volume compression of the lubricant. …”
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article -
520
Fluid-Structure-Acoustic coupling analysis for external laminar and turbulent fluid flows
Published 2023“…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%. …”