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peer » peter (Expand Search), per (Expand Search)
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1441
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1442
Numerical simulation of using combined active and passive stall control techniques in centrifugal compressors
Published 2014“…Also, it was found that the casing slots can cause a flow circulation and increase the kinetic energy around the position of slots and this leads to decreasing the number of stall cells. …”
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1443
Experimental results and modelling of corrosion-damaged concrete beams strengthened with externally-bonded composites
Published 2018“…The investigated parameters included the corrosion levels (10 and 20% mass loss of steel reinforcement), the type of composite (fabric-reinforced cementitious matrix (FRCM) and fiber-reinforced polymers (FRP)), and the number of composite layers (one, two, and four). …”
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1444
Long-term performance analysis and power prediction of PV technology in the State of Qatar
Published 2017“…Besides, within one-month, a cloudy condition in Winter causes 20% drop in average output power. …”
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1445
The mitochondrial-related effect of the 905 nm photobiomodulation therapy on 50B11 sensory neurons
Published 2023“…PBMT at 18 J diminished the mitochondrial membrane potential, and influenced mitochondrial respiration, decreasing the oxygen consumption rate. Finally, a decrement of extracellular signal-regulated kinase 1/2 phosphorylation was observed with the protocol using 12 J. …”
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1446
Antibacterial Performance of Protonated Polyaniline-Integrated Polyester Fabrics
Published 2022“…Electrochemical impedance spectroscopy (EIS) revealed that the electrical conductivity value of protonated PANI fabric decreased by one (1) order of magnitude against P. aeruginosa and S. aureus, from 3.35 ± 7.81 × 10−3 S cm−1 to 6.11 ± 7.81 × 10−4 S cm−1 and 4.63 ± 7.81 × 10−4 S cm−1, respec-tively. …”
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1447
Event-triggered fault detection and isolation for discrete-time linear systems
Published 2016“…In this study, the problem of event-triggered fault detection and isolation (FDI) for discrete-time linear time invariant systems is considered. Using a Leunberger observer as the residual generator, a multi-objective formulation of the FDI problem is presented based on l1, H- and H? …”
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1448
Gas solubility and rheological behavior study of betaine and alanine based natural deep eutectic solvents (NADES)
Published 2018“…Natural deep eutectic solvent (NADES) produced herein this work by mixing betaine and alanine with lactic acid and malic acid with 1:1 M mixing ratios. Thermophysical properties including water content, thermal stability, density and gas solubility of CO2 and N2 were experimented at different isotherms for wide pressures range up to 50 bars. …”
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1449
Improved flexible, controlled dielectric constant material from recycled LDPE polymer composites
Published 2016“…The relative permittivity reached a value of 4.9 at 1 kHz frequency, which is a good value for a flexible composite prepared from recycled material and it can be used in electrical devices and electronic packaging.…”
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1450
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. Indeed, the viral load determined through real-time reverse-transcriptase PCR (rRT-PCR) test peaks at the onset of symptoms and decreases to undetectable level within 1–3 weeks…”
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1451
Influence of changing casing groove parameters on the performance of centrifugal compressors near stall condition
Published 2016“…Five groove aspect ratios were considered ranging from 0.2 to 1.8. Three groove locations were studied: at full blades leading edge, at splitter blades leading edge, and after the splitter blades leading edge by a distance equals to the distance between the first and second groove locations. …”
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1452
Forced spectrum access termination probability analysis under restricted channel handoff
Published 2012“…Specifically, we consider a cognitive access network with m channels in which a cognitive user, currently using a particular channel, can only switch to one of its k immediate neighboring channels. …”
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1453
Prevalence and Phylogenetic Analysis of Parvovirus (B19V) among Blood Donors with Different Nationalities Residing in Qatar
Published 2021“…B19V genotyping showed a predominance of Genotype 1 (100%). Sequence analysis of the NS1-VP1u region revealed 139 mutation sites, some of which were amino acid substitutions. …”
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1454
Evidence by ac-conductivity for the higher mobility of boron (over aluminium)-associated Brønsted sites in boron-modified HZSM-5
Published 1996“…BZSM-5 conducts with decreasing electric impedance in the order: B1ZSM-5>B2ZSM-5>B4ZSM-5>B3ZSM-5. …”
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1455
EFFECT OF ENDOPLASMIC RETICULUM STRESS MEDIATED BY HYPERGLYCEMIA ON BARRIER FUNCTION IN RETINAL CELLS
Published 2016“…The expression of Adhesion proteins (ICAM-1 and E-selectin) were increased in hyperglycemia and decreased expression with PBA. …”
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1456
Novel paclitaxel formulations solubilized by parenteral nutrition nanoemulsions for application against glioma cell lines
Published 2016“…The pH range for the Clinoleic formulations (7.1–7.5) was slightly higher than that of the Intralipid formulations (6.5–6.9). …”
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1457
Electrochemical and thermodynamic study on the corrosion performance of API X120 steel in 3.5% NaCl solution
Published 2020“…The overall results revealed that PEI significantly decreases the corrosion rate of API X120 steel with inhibition efficiency of 94% at a concentration of 100 μmol L−1. …”
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1458
Electrically conductive hybrid organic crystals as flexible optical waveguides
Published 2022“…In cyclic operation mode, their conductivity decreases less than 1% after 10,000 thermal cycles. …”
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1459
Dynamic Caching for Files With Rapidly-Varying Features and Content
Published 2022“…The developed scheme is presented for a network with one cache-enabled server, that has a pool of files, communicating with K cache-enabled receivers with requests limited to the server's file pool. …”
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1460
Cardiac Myosin Binding Protein-C in Sprague Dawley (SD) Rats exposed to Sub-Chronic oral dose of Cadmium Chloride
Published 2021“…Male Sprague Dawley rats were subjected to a daily cadmium chloride dose (15ppm/Kg of body weight) for a period of 10 weeks. …”
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