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Improved properties and salt rejection of polysulfone membrane by incorporation of hydrophilic cobalt-doped ZnO nanoparticles
منشور في 2024"…The hydrophilicity of PSf membranes was improved by adding of ZnO and doped ZnO NPs which showed a decrease in contact angle values from 82° to 62° with an increased flux with water. …"
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Effect of surfactants on the convective heat transfer and pressure drop characteristics of ZnO/DIW nanofluids: An experimental study
منشور في 2023"…Convective heat transfer (HTC) and flow characteristics (pressure drop (ΔP) and friction factor (f)) of aqueous ZnO NFs' within a circular mini tube (Di = 1.0 mm, L = 330 mm) were analyzed. …"
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Effect of surfactants on the convective heat transfer and pressure drop characteristics of ZnO/DIW nanofluids: An experimental study
منشور في 2023"…Convective heat transfer (HTC) and flow characteristics (pressure drop (ΔP) and friction factor (f)) of aqueous ZnO NFs' within a circular mini tube (D i = 1.0 mm, L = 330 mm) were analyzed. …"
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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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The Effect of Number of Corrugation on Crashworthiness of Aluminum Corrugated Tube under Lateral Loading
منشور في 2017"…The results show that tubes with corrugations have a higher mean crushing force which is directly proportional to the number of corrugations. …"
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Deep learning-based modeling of land use/land cover changes impact on land surface temperature in Greater Amman Municipality, Jordan (1980–2030)
منشور في 2024"…However, agricultural areas decreased from 152.13 km<sup>2</sup> (18.5%) in 1980 to 140.38 km<sup>2</sup> (17%) in 2023, while barren lands decreased from 54.44 km<sup>2</sup> (6.6%) in 1980 to 34.71 km<sup>2</sup> (4.22%) in 2023. …"
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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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Diesel engine vibration analysis using artificial neural networks method: Effect of NH<sub>3</sub> additive in biodiesels
منشور في 2024"…The ANN models indicated that a 5 % NH<sub>3</sub> additive decreased engine vibration for HD and PD. …"
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Stability enhancement of Al<sub>2</sub>O<sub>3</sub>, ZnO, and TiO<sub>2</sub> binary nanofluids for heat transfer applications
منشور في 2024"…It was concluded from the results that zeta potential increases in cases of (TiO<sub>2</sub> + ZnO) and (Al<sub>2</sub>O<sub>3</sub> + ZnO) from −44.2 to −47.8 mV and −42.4 to −44.1 mV with the addition of surfactant, respectively. …"
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Machine Learning and Carbonate Reservoirs : A Production Data Perspective on Permeability Modelling
منشور في 2024"…One key finding in this thesis is understanding the effect of well interference on the ANN performance. It was noted that in cases where permeability increases from one well to another, the production data showed a decrease. …"
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A new perspective on cardiovascular drift during prolonged exercise
منشور في 2021"…<p dir="ltr">Prolonged exercise induces cardiovascular drift, which is characterized by decreasing mean arterial pressure (MAP), stroke volume and heart rate increase. …"
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Aortic valve function post-replacement of severe aortic stenosis by transcatheter procedure versus surgery: a systematic review and metanalysis
منشور في 2021"…TAVR was associated with 37% (95% CI [0.51–0.78) mean RR reduction of post-procedural PPM, a decrease that was not affected by the surgical risk at inclusion, neither by the transcatheter heart valve system. …"
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A Multidecadal Assessment of Haze Development and Fluctuations in Visibility for Arabian Peninsula
منشور في 2024"…Visibility in KWT was 0.5 km in 1994, indicating a period of exceptionally poor visibility whereas the daily mean visibility for KSA was approximately 0.6 km. …"
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Association Between Serum Bicarbonate Levels and Prediabetes and Subclinical Inflammation in Young Healthy Adults: A Cross-sectional Study
منشور في 2023"…</p><h3>Results</h3><p dir="ltr">A total of 825 participants with mean age 29.2 years (5.9) of which 365 (44.2%) were males. …"
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Impact of Life-coaching on Students' Wellbeing and Engagement Levels in a Preparatory School in Qatar
منشور في 2019"…The sample consisted of 40 male students aged between 13 and 16 years old (mean age 14.2). The sample was randomly selected and randomly divided into two groups to conduct a randomized controlled trial. …"
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Double versus triple arthrodesis for adult-acquired flatfoot deformity due to stage III posterior tibial tendon insufficiency: a prospective comparative study of two cohorts
منشور في 2022"…Hibbs angle had a mean reduction of 6.45° post-operatively (p = 0.069). …"
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Oxygen targets following cardiac arrest: A meta-analysis of randomized controlled trials
منشور في 2023"…</p> <h3>Conclusions</h3> <p>Conservative oxygen therapy did not decrease mortality, improve neurologic recovery, or decrease ICU LOS as compared to a liberal oxygen regimen. …"
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Hyper-Hypo study: A Retrospective Observational Study of Neonatal Hypoglycemia Related to Maternal Hypertension
منشور في 2023"…However, a sub-group comparison of neonates (with initial blood glucose <2.6 mmol/L) showed methyldopa to be marginally associated with a 2 mmol/L decrease from the mean initial blood glucose, mean 1.6 ± 0.5 mmol/L, and methyldopa (1.4 ± 0.5 mmol/L; p= .045). …"
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Swimming exercise improves short‐ and long‐term memories: Time‐course changes
منشور في 2021"…In this investigation, changes in the spatial hippocampal memory following a time-course of swimming exercise training were examined. …"