-
521
Impact of trace noble metals on the catalytic performance of LaNiMgO towards methane dry reforming
منشور في 2024"…In durability measurements, and after 140h LaNiMgO-Rh exhibited slight decay in the CO<sub>2</sub> conversion from 77.6 % to 70.5%, the CH<sub>4</sub> conversion decreased from 72.3% to 64.2%. On the other hand, LaNiMgO-Pd depicted rapid decay in the CO<sub>2</sub> conversion from 68.3 % to 49.3 % and the CH<sub>4</sub> conversion felled from 66.5 % to 41.5 % after 50h. …"
-
522
PD-L1 Expression in Human Breast Cancer Stem Cells Is Epigenetically Regulated through Posttranslational Histone Modifications
منشور في 2019"…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. …"
-
523
DNA methylation signature in peripheral blood reveals distinct characteristics of human X chromosome numerical aberrations
منشور في 2015"…The X inactivation process appears to be less effective in Klinefelter syndrome as methylation on the X was decreased compared to normal female samples. In a large number of individuals, we verified several loci by pyrosequencing and observed only weak inter-loci correlations between the verified regions. …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل
article -
524
An Exploration of Smoking Patterns Among People with Serious Mental Illness Attending an Outpatient Clinic in Qatar
منشور في 2022"…<h3>Background</h3><p dir="ltr">Studies have shown that tobacco use is exceptionally high in people affected with serious mental illness (SMI). …"
-
525
Resilience of UAE high-rise buildings to climate change: Impacts of projected climate changes on annual energy demands.
منشور في 2020"…To achieve this goal, future weather datasets in hourly time step for UAE were collected from three statistical tools representing stabilization and high emission scenarios. …"
احصل على النص الكامل
-
526
Walking around the preferred speed: examination of metabolic, perceptual, spatiotemporal and stability parameters
منشور في 2024"…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. …"
-
527
Coping strategies, optimism, and resilience factors associated with mental health outcomes among medical residents exposed to coronavirus disease 2019 in Qatar
منشور في 2023"…Strategies promoting optimism, resilience, and approach coping styles can decrease the mental health burden of the pandemic on medical residents.…"
-
528
Children safety risk factors in Khorasan Razavi province
منشور في 2015"…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. …"
-
529
Effect of anions on the structural, morphological and dielectric properties of hydrothermally synthesized hydroxyapatite nanoparticles
منشور في 2019"…The εʹ and dielectric loss (εʹʹ) values for the HA nanoparticles decrease with increase in the applied frequency as well. …"
-
530
Fluid-Structure-Acoustic coupling analysis for external laminar and turbulent fluid flows
منشور في 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%. …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل
article -
531
Influence of natural gas composition on adsorption in calcite Nanopores: A DFT study
منشور في 2021"…The nanopores absorbed up to 28 and 24 molecules of CH<sub>4</sub> and CO<sub>2,</sub> respectively, and the adsorption energy decreased to −0.0062 and −0.0075 eV/Å<sup>2</sup> for each. …"
-
532
An Experimental Investigation of R134a Clathrates with Liquid Additives
منشور في 2016احصل على النص الكامل
doctoralThesis -
533
Healthcare Professionals' Attitudes Toward Patients With Mental Illness: A Cross-Sectional Study in Qatar
منشور في 2022"…<h3>Background</h3> <p>Negative attitudes toward mental illness by Health Care Professionals (HCP) have been reported in many countries across the world. …"
-
534
Evaluating the impact of the Minimization of Aggression and Violence (MoAV) intervention on mechanical restraint use in Qatar's acute mental health setting
منشور في 2025"…The percentage of restrained patients decreased from 25 % to 4 %, p = (<0.001). The mean duration of restraint incidents slightly increased from 59.1 min in 2016 to 61.3 min in 2021, though this change was not statistically significant. …"
-
535
Total hip arthroplasty: Evolution of the use of dual mobility cups in Lebanon
منشور في 2018"…Recurrent dislocation, being a major reason for revision total hip arthroplasty (THA), was found to decrease significantly using dual mobility cup (DMC) compared to standard cups (SC), and that in both primary and revision THA. …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل
article -
536
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...
منشور في 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. …"
-
537
Effect of acute and chronic moderate alcohol consumption on fasted and postprandial lipemia in the rat
منشور في 2003"…In the chronic study, animals received, for a period of 10 weeks, 3% alcohol in drinking water in the form of ethanol, beer or whisky. …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل
article -
538
Biomolecular alterations in acute traumatic brain injury (TBI) using Fourier transform infrared (FTIR) imaging spectroscopy
منشور في 2021"…<p dir="ltr">Acute injury is one of the substantial stage post-traumatic brain injury (TBI) occurring at the moment of impact. Decreased metabolism, unregulated cerebral blood flow and direct tissue damage are triggered by acute injury. …"
-
539
Energy conversion of heat from abandoned oil wells to mechanical refrigeration - Transient analysis and optimization
منشور في 2021"…To evaluate the performance of the system, comprehensive models are developed including transient model for the abandoned oil well (geothermal loop) in spatial and time domains and thermodynamic and optimization models for the entire three-loop system. …"
-
540
Evaluation of The Factors Affecting Microplastics and Nanoparticles in Plastic Water Supply Pipes
منشور في 2020احصل على النص الكامل
doctoralThesis