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Assessment of Urban Heat Islands Based on the Relationship Between Land Surface Temperature and Land Use/Land Cover in Greater Doha
Published 2020“…Overall there was an increase in built-up and vegetation, decrease in water and barren areas and complete loss of marsh land. …”
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Privacy-Preserving Fog Aggregation of Smart Grid Data Using Dynamic Differentially-Private Data Perturbation
Published 2022“…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.…”
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PERFORMANCE OPTIMIZATION OF PROPANE PRE-COOLED MIXED REFRIGERANT (C3MR) PROCESS FOR NATURAL GAS LIQUEFACTION
Published 2024“…The achieved SEC of 0.2649 kWh/kg LNG, on a large-scale plant with a natural gas flow rate of 120 kg/s, results in an 18 MW compression power decrease, saving approximately 17.42 million QAR per year for each C3MR process. …”
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Thermal properties of phase-change materials based on high-density polyethylene filled with micro-encapsulated paraffin wax for thermal energy storage
Published 2015“…These microcapsules have a uniform distribution with a spherical shape and an average diameter of approximately 15 μm. The thickness of the shell was approximately 1.5 μm. …”
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Performance Of A Cool Thermal Store Filled With Balls Containing Water
Published 2001“…A sharp drop in temperature of balls was observed generally during the first four hours of every charging process, followed by a gradual but slow decrease in temperature. Temperature inside some balls reached-6 to-8°C. …”
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Seasonal weather conditions affect training program efficiency and physical performance among special forces trainees: A long-term follow-up study
Published 2018“…Seasonal data were continuously recorded during all SCTCs. Body mass decreased significantly (p<0.05) in all groups following SCTCs. …”
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Uniform fractional factorial design tables for energy piles with maximum thermal conductance
Published 2017“…On the other hand, decrease of the tube thickness, and pile diameter slightly decrease the pile thermal resistivity. …”
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Visitors off the trail: Impacts on the dominant plant, bryophyte and lichen species in alpine heath vegetation in sub-arctic Sweden
Published 2021“…With a greater decrease in taller forbs and shrubs than in graminoids and prostrate plants, a greater decrease in lichen than in bryophyte species, and a change in vegetation composition. …”
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Visitors off the trail: Impacts on the dominant plant, bryophyte and lichen species in alpine heath vegetation in sub-arctic Sweden
Published 2021“…With a greater decrease in taller forbs and shrubs than in graminoids and prostrate plants, a greater decrease in lichen than in bryophyte species, and a change in vegetation composition. …”
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Optimization of energy pile conductance using finite element and fractional factorial design of experiment
Published 2019“…On the other hand, decreasing pile diameter slightly increases the pile thermal conductance. …”
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Optimization of energy pile conductance using finite element and fractional factorial design of experiment
Published 2018“…On the other hand, decreasing pile diameter slightly increases the pile thermal conductance. …”
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Electrospun polylactic acid/date palm polyphenol extract nanofibres for tissue engineering applications
Published 2019“…Increasing the polyphenol concentration caused the tensile strength and Young’s modulus to decrease. The SEM graphs indicated a decrease in fibre diameter with increasing DP content. …”
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Investigation of Spatiotemporal Variability of Microplastics in Qatar's Cstal Environment
Published 2016“…Concentrations of microplastics were given in square meters as sampling was done in two-dimensional air-sea interface. …”
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Seasonal Variations of Acoustic Properties in Ropme Sea Area
Published 1993“…., in Gulf of Oman where the depths exceed 2000 meters. The seasonal temperature variations are reflected on the sound speed changes especially west of Hormuz Strait with shallow depths. …”
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Tobacco Use and Its Health Effects among Professional Athletes in Qatar
Published 2016“…In addition to demographic and tobacco use status, the following clinical variables were measured: resting blood pressure, heart rate, FVC, FEV1 sec, and PEF. The prevalence of tobacco use among the athletes was 27.7%. …”
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Impact of the Wireless Network's PHY Security and Reliability on Demand-Side Management Cost in the Smart Grid
Published 2017“…We show that increasing the PHY security of the legitimate transmissions decreases the communication reliability between the smart meters and the meter data-management system since to secure the transmissions, a portion of the transmit powers will be assigned to AN signal transmissions. …”
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Development of a Mechanistic and Data-Driven Model for Multiphase Flow Leak Detection in Pipeline
Published 2024“…Data sets were generated for a wide range of geometric (3-5 inch pipe diameter, 2000-10000 feet pipe length, 500-1500 feet leak location, 0.2-3 inch leak opening diameter), hydrodynamic (Newtonian, air, CO2, N2) and operating conditions (0.3-0.628 outlet liquid fraction). …”
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Production and investigation of flexible nanofibers of sPEEK/PVP loaded with RuO2 nanoparticles
Published 2021“…The effect of annealing and RuO2 addition was illustrated by the decrease in fibers diameter. The vibration mode and structure of the samples were studied by Fourier transform spectroscopy (FTIR) along with Raman spectroscopy that revealed the strong interaction as well as crosslinking between the polymer blend and RuO2. …”
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