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921
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922
The impact of PV generation and load types on the impedance relays during both balanced and unbalanced faults
Published 2022“…When single line to ground fault occurs at the PV bus (far from relay location), the dynamic loads increase the relay impedance, while the PV plant decreases the relay impedance. When a single phase to ground fault occurs at the relay bus (load bus), the dynamic load decreases the relay impedance, and the PV plant increases it. …”
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923
Effect of the length of silicon nano-dot/wire on band gap
Published 2014“…We will report on the role of the length of silicon nanowire (SNW) in determining the band gap of a structure. We find that the band gap decreases with SNW length for the same diameter and approaches the band gap for an ideal infinitely long SNW. …”
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924
Correlated decay of triplet excitations in the shastry-sutherland compound SrCu2 (BO3)2
Published 2014“…The temperature dependence of the gapped triplet excitations (triplons) in the 2D Shastry-Sutherland quantum magnet SrCu2(BO3)2 is studied by means of inelastic neutron scattering. The excitation amplitude rapidly decreases as a function of temperature, while the integrated spectral weight can be explained by an isolated dimer model up to 10 K. …”
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925
Emerging clay-aryl-gold nanohybrids for efficient electrocatalytic proton reduction
Published 2018“…Both nanohybrids showed efficient electrochemical activity for HER in acidic condition (0.1 M H2SO4) with high current density up to −25 mA.cm−2 at −1 V and 0.148 mV onset. Negligible decreasing in current density and slight shift in onset was observed after 1000 cycles. …”
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926
Experimental determination and computational fluid dynamics predictions of pressure loss in close-coupled elbows (RP-1682)
Published 2017“…The results of this study showed that the loss coefficient increased as a function of separation distance between the elbows in a Z-configuration and decreased in a U-configuration. …”
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927
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928
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929
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930
Smart City and Preservation of Identity in Doha
Published 2021“…The limited population of Qatar and the significant wealth of natural gas provide them the means to establish a smart city. The main catch phrase for Qataris on that development project is "modernization with protecting the heritage." …”
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931
Oxygen passivation as effective technique for tailoring the nature of band gap of silicon nanowires
Published 2015“…Surprisingly, extensive oxidation dramatically decreases the silicon nanowire band gap down to 0.26 eV. …”
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932
Electrochemical oxidation of ammonia (NH4+/NH3) ON synthesized nickel-cobalt oxide catalyst
Published 2021“…The reported Pgen were 0.55, 0.85, 1.1 and 0.0.93 mW/cm2 for Ni–C, Co10/Ni–C, Co20/Ni–C and Co40/Ni–C. A concentration of Co higher than 40% decreased cell potential (Vcell) and reduced the percentage removal of ammonia (%REAmm). …”
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933
Hybrid fuzzy sliding mode for stick-slip suppression in drill string systems
Published 2022“…A comprehensive numerical analysis was conducted by means of MATLAB and Simulink software. …”
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934
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935
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936
Simulation and experimental study of underwater dissimilar friction-stir welding between aluminium and steel
Published 2020“…Theeffects of processing parameters on the formation of intermetallic compounds (IMCs) atthe Al/St interface, microstructural characteristics, and mechanical property of dissimilarweldments were studied and addressed. By decreasing tool rotational speed (w), increas-ing traverse velocity (v), and employing cooling medium, peak temperature continuouslyreduced (down to ?…”
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937
Experimental and Theoretical Investigation on Bond Behavior of Tensile Lap Spliced Basalt Fiber Reinforced Polymer Bars in High Strength Concrete Beams
Published 2020“…Moreover, the bond strength decreases as the splice length increases. Additionally, the sand-coated bars showed a higher bond strength than the helically wrapped bars.…”
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938
Long-Distance Vowel-to-Vowel Coarticulation in Arabic: Influences of Intervening Consonant Pharyngealization and Length
Published 2019“…Speakers of Egyptian Arabic were recorded saying sentences containing nonsense sequences of the form /baɁabaCV:/, where C was chosen from {/t/, /tˤ/, /t:/, /tˤ:/} and V was a long vowel /i:/, /a:/ or /u:/. Analysis of the first and second formants of the recorded vowels revealed that (a) vowel-to-vowel coarticulatory effects could sometimes extend to a distance of three vowels before the context vowel; (b) the consonant-to-vowel effects associated with pharyngealization were consistently seen at similar distances, while also decreasing in magnitude at greater distances from the triggering consonant; and (c) effects related to intervening consonant length were idiosyncratic, and in particular did not lead to consistent blocking of vowel-to-vowel effects. …”
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939
Do unemployment benefits affect the choice of debt source?
Published 2019“…Finally, we find that debt maturity (security) decreases (increases) when UI benefits increase. - 2019 Elsevier B.V.…”
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940
Persistent viral infectivity after 27 days from COVID-19 symptoms onset
Published 2021“…The persistence of SARS-CoV- 2 in pharyngeal swabs belonging to patients affected by COVID-19 is not a rare occurrence. …”
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