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Influence of temperature on tire-pavement noise in hot climates: Qatar case
منشور في 2021"…There is an apparent trend of decreasing temperature coefficient with increasing mean texture depth of dense graded asphalt pavements. …"
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Influence of temperature on tire-pavement noise in hot climates: Qatar case
منشور في 2021"…There is an apparent trend of decreasing temperature coefficient with increasing mean texture depth of dense graded asphalt pavements. …"
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Wind energy potential along the onshore and offshore Qatar
منشور في 2020"…cant increase or decrease of wind power around Qatar in the last 40 years in most of the locations, while there is a slight decreasing trend in the o?…"
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MODEL PREDICTIVE CONTROL STRATEGY FOR LEAKAGE CURRENT REDUCTION IN PHOTOVOLTAIC SYSTEMS: A STUDY ON PUC AND CSC INVERTER TOPOLOGIES
منشور في 2024"…This thesis focuses on studying a double-stage transformerless photovoltaic (PV) microinverter grid-connected system. …"
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StabTrust-A Stable and Centralized Trust-Based Clustering Mechanism for IoT Enabled Vehicular Ad-Hoc Networks
منشور في 2020"…Vehicular Ad-hoc Network (VANET) is a modern era of dynamic information distribution among societies. …"
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Bidirectional buck-boost inverter-based HVDC transmission system with AC-side contribution blocking capability during DC-side faults
منشور في 2014"…The simulation results reveal the promising performance under normal operation as well as a significant decrease in the dc fault current due to the ac-side contribution blocking capability of the BBI-HVDC system during dc-side faults.…"
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Effects of acute and chronic exercise on immunological parameters in the elderly aged: Can physical activity counteract the effects of aging?
منشور في 2018"…Furthermore, increased risk of autoimmune disease and chronic infection is increased with an aging immune system, which is characterized by a pro-inflammatory environment, ultimately leading to accelerated biological aging. …"
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MODELING AND OPTIMIZATION OF DISTRICT COOLING SYSTEM
منشور في 2022"…This research focuses on modeling and optimization of the design and operation of a district cooling system (DCS). The research investigates two solution paths: (1) the system transformation leading to re-organizing the conventional system (powered by the grid electricity) to achieve better economic and energy performance, and (2) the system integration of solar cooling technologies to enhance sustainable development for decreasing CO2 emissions. …"
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The simultaneous impact of EV charging and PV inverter reactive power on the hosting distribution system's performance: A case study in kuwait
منشور في 2020"…The impact of EV integration for the case study results in two peaks, which show a 6.4% and 17% increase. Varying the inverter to the PV ratio from 1.1 to 2 decreases system losses by 34% to 41%. …"
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Magnesium Intake and Sleep Disorder Symptoms: Findings from the Jiangsu Nutrition Study of Chinese Adults at Five-Year Follow-Up.
منشور في 2018"…At follow-up in 2007, sleep disorder symptoms, including daytime falling asleep, sleepiness and snoring at night, were gathered using a sleep questionnaire. (3) Results: The mean intake of magnesium was 332.5 mg/day. In total, 5.3%, 13.2% and 35.7% of the subjects reported daytime falling asleep, daytime sleepiness, and snoring during sleep, respectively. …"
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Assessment of Student Learning Outcomes for Assurance of Learning at Qatar University
منشور في 2014"…A unique feature of the system is the auditing of annual program assessment reports by external experts. …"
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Boost inverter-based HVDC transmission system with inherent blocking capability of AC side contribution during DC side faults
منشور في 2014"…The simulation results elucidate a significant decrease in the DC fault current due to the blocking capability of the BI-HVDC system during DC side faults.…"
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Wireless Car Control Over the Cellular System
منشور في 2016"…It is operated over a cellular communication system (that will provide national and even international (through roaming) coverage for its working area) in parallel with its self-action in presence of obstacle. …"
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Study of Magnetic Properties and Lattice Dynamics of the Cdx Co1-x Ferrite System by MossbauerEffect
منشور في 1981"…The results showed that the samples with x = 0.0 up to 0.5 are ferrimagnetic at room temperature, and a magnetic disorder transformation started to appear at x = 0.6. …"
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A Review of Biomaterials and Associated Performance Metrics Analysis in Pre-Clinical Finite Element Model and in Implementation Stages for Total Hip Implant System
منشور في 2022"…The material selection for the total hip implant systems is a major research field since it affects the mechanical and clinical performance of it. …"
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The effect of acute ophiobolin A treatment on HO-mediated inflammatory processes
منشور في 2017"…We found that OPA caused a significant elevation in the concentrations of IL-6 and TNF-, increased MPO activity and decreased HO enzyme activity in the plasma. …"
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Adult Hospital Inpatient Experience in Qatar And Associated Factors: A Cross-Sectional Study
منشور في 2020"…Similarly, communication with doctors scores decreases in all hospitals from 93.2% to 90.1% (F=94.3, p=<0.001) Conclusions: Improving patient experience and engagement with the healthcare system is an important outcome, which should be evaluated and monitored regularly to assess the progress in achieving the NHS 2018-2022 priorities for Qatar. …"
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