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581
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582
Structural performance and moment redistribution of basalt FRC continuous beams reinforced with basalt FRP bars
Published 2021“…This study investigated the structural performance and moment redistribution of basalt fiber reinforced concrete (BFRC) continuous beams reinforced with basalt fiber reinforced polymers (BFRP) bars. A total of 10 reinforced concrete (RC) continuous beams over two equal spans of 1800 mm were tested under five-point loading until failure. …”
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583
Smoking cessation counseling in Qatar: Community pharmacists' attitudes, role perceptions and practices
Published 2012“…Background: Smoking is a major public health problem in Qatar. The potential for community pharmacists to offer smoking cessation counseling in this country can be high. …”
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584
The Effect of Hyperoxia on Central and Peripheral Factors of Arm Flexor Muscles Fatigue Following Maximal Ergometer Rowing in Men
Published 2022“…Results: Arterial hemoglobin O2 saturation was reduced to 92.5 ± 0.2% during exercise with normoxia but maintained at 98.9 ± 0.2% with hyperoxia. …”
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585
Fluctuations in cardiac stroke volume during rowing
Published 2021“…Eight nationally competitive oarsmen (mean ± standard deviation: age 21 ± 2 years, height 190 ± 9 cm, and weight 90 ± 10 kg) rowed on an ergometer at a targeted heart rate of 130 and 160 beats per minute. …”
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586
Optimal Design of Cogeneration Systems Based on Flaring and Venting Streams and Accounting for the Involved Uncertainty
Published 2017“…This paper proposes a solution approach that enables to determine cumulative probability curves to give to decision makers a useful tool to know the financial risk related to the implementation of the proposed system, and the results show that the proposed system is a suitable option to reduce carbon dioxide emissions and to decrease the operating costs. 1 2017 Elsevier B.V.…”
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587
Simulation and Optimization of an LNG Plant Cold Section
Published 2018“…Heavy hydrocarbons, primarily condensate (C5+) leaving the fractionation unit, can be either sold or sent to a close by refinery for further processing. …”
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588
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589
Age-Related Differences of the Athlete`s Heart
Published 2013“…Left ventricle muscle mass (LVMM) is higher in older endurance athletes than in age-matched non-athletes (5) but the difference between athletic and non-athletic subjects decrease continuously or disappears during the ageing. …”
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590
High temperature thermal stability of innovative nanostructured thin coatings for advanced tooling
Published 2014“…Three different thin hard nitrogen-rich coatings were mechanically, microstructurally, and thermally characterized: A 2.5 micron-thick CrN-NbN, a 11.7 micron-thick TiAlN, and a 2.92 micron-thick AlTiCrxNy. …”
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591
Computational Simulation Of Organic Rankine Cycle Retrofitted To Petroleum Well
Published 2014“…The obtained results can be used to define the optimal working parameters those result in the maximum energy generation during the lifetime of an organic Rankine cycle retrofitted to petroleum well. As shown in Figure 2, the simulations show that the optimal extraction rate 350 W at temperature difference between inlet and outlet of the well equals 16 oC and ground heat exchanger diameter equals 95 mm. …”
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592
Fecal Carriage and Molecular Characterization of Carbapenemase-Producing Enterobacterales in the Pediatric Population in Qatar
Published 2021“…All 9 blaOXA-48-type-gene-containing E. coli sequence type 38 (ST38) strains were isolated from patients without international travel history. The mean quarterly incidence of fecal carriage decreased more than 6-fold after the implementation of coronavirus disease 2019 (COVID-19)-related international travel restrictions in Qatar in mid-March 2020. …”
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593
Study of voltage source converter-based HVDC system during DC side faults
Published 2013“…A 500MW/400kV HVDC system is simulated using Matlab/Simulink. …”
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594
Synthesis of Metallocene Catalyzed Ethylene 1,7-Octadiene Copolymer: Effect of Copolymerization on Polymer Properties
Published 2018“…The tensile stress-strain plots show multiple necks. A reduction in tensile modulus, strength, and strain at break is seen for copolymers compared to homopolymer. …”
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595
Thermally assisted efficient electrochemical lithium extraction from simulated seawater
Published 2022“…Furthermore, the coupled thermal-driven membrane process in the system can also produce freshwater (13.2 kg m-2 h-1) as a byproduct. Given abundant low-grade thermal energy availability, the thermally assisted electrochemical lithium extraction process has excellent potential to realize mining lithium from seawater.…”
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596
Re-emission of slow positrons from tungsten at elevated temperatures
Published 2002“…Irrespective of target history, no sharpening of the energy spectrum of re-emitted positrons was observed as the remoderator temperature was increased. Further, a steady decrease in the apparent re-emitted positron intensity was observed, attributed primarily to the increase in positronium formation, as the temperature of the foil was increased from 20 to 500 °C. …”
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597
Performance assessment of inductive power transfer for railway applications
Published 2015“…The practical implementation has been conducted at a rated voltage of 100V DC at 50kHz and input power of 80W. …”
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598
Global Consumption Trend of Antifungal Agents in Humans From 2008 to 2018: Data From 65 Middle- and High-Income Countries
Published 2022“…Consumption of ketoconazole slowly declined, with 5.04% annual decrease, probably due to labelling changes in 2013 to reflect hepatotoxicity concerns. …”
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599
Investigation of Spatiotemporal Variability of Microplastics in Qatar's Cstal Environment
Published 2016“…There has been a tremendous proliferation in plastic production in the last five decades due to its low cost and versatile applications. …”
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600