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161
Removal of copper ions from aqueous solution using NaOH-treated rice husk
Published 2022“…Different analytical techniques (FTIR, SEM, and EDX) were used to confirm the adsorption (ads) of Cu (II) onto the TRH. …”
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162
Simulation of the size-composition distribution of atmospheric nanoparticles over Europe
Published 2018“…The ground level concentrations of particles with a diameter larger than 100 nm (N100) were reproduced with a daily normalized mean error of 40 % and a daily normalized mean bias of −20 %. …”
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163
Seismic strengthening of Reinforced Concrete Structures using External Lateral Post Tensioning
Published 2021“….; to concrete buildings, structural steel buildings and wood structures. It’s a unique method of strengthening in which the strength of an existing structure is increased for its stability and also reduces the deflection in an existing structure which have been through an earthquake damage.…”
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164
Excess pCO2 and carbonate system geochemistry in surface seawater of the exclusive economic zone of Qatar (Arabian Gulf)
Published 2022“…CO2 is lost from the Gulf due to gas exchange, decreasing DIC, and reducing pCO2 to 464 μatm, similar to that observed. …”
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165
Effect of the location of broken wire wraps on the failure pressure of prestressed concrete cylinder pipes
Published 2015“…A sensitivity analysis was performed to evaluate the cracking of the concrete core and the yielding of the prestressing wires and steel cylinder with increasing internal pressure and with an increasing number of broken wire wraps. …”
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166
Portfolio Selection Problem Using CVaR Risk Measures Equipped with DEA, PSO, and ICA Algorithms
Published 2022“…It was found that when solving the Mean-CVaR model with evolutionary algorithms, the risk decreased. …”
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167
Land surface temperature responses to land use dynamics in urban areas of Doha, Qatar
Published 2024“…The LST data derived from remote sensing sources demonstrates an upward trend for summer and a contrasting trend for winter. Specifically, the mean summer LST increases by 7.64 °C (0.34 °C annually), and the mean winter LST decreases by 4.87 °C (0.22 °C annually). …”
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168
The Effects of Local Aggregates on the Mechanical Properties of Engineered Cementitious Composites (ECC)
Published 2013Get full text
doctoralThesis -
169
Mental health, burnout and resilience in community pharmacists during the COVID-19 pandemic: A cross-sectional study
Published 2022“…Participants had shown moderate resilience (mean score: 27.64 (SD = 8.31)) and their mean score fear of COVID19 was 15.67 (SD = 6.54). …”
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170
Impact of staying at home measures during COVID-19 pandemic on the lifestyle of Qatar’s population: Perceived changes in diet, physical activity, and body weight
Published 2021“…Participants reported increased sitting/reclining time (1.94 h/day mean increase), screen times (2.05 h/day mean increase) with p < 0.001, and decreased exercise time (0.11 h/day mean reduction) with p < 0.001. …”
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171
Which factor explains the life‐history of <i>Xanthium strumarium</i> L., an aggressive alien invasive plant species, along its altitudinal gradient?
Published 2022“…Among climatic variables, mean yearly temperature, mean annual yearly humidity, and mean day length in hours, while in soil variables, organic matter and nitrogen percentage significantly affect the phenological and morphological stages. …”
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172
Land surface temperature responses to land use dynamics in urban areas of Doha, Qatar
Published 2024“…The LST data derived from remote sensing sources demonstrates an upward trend for summer and a contrasting trend for winter. Specifically, the mean summer LST increases by 7.64 °C (0.34 °C annually), and the mean winter LST decreases by 4.87 °C (0.22 °C annually). …”
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173
Comparing WZB117-liposome Synthesis via Thin-film Hydration and Microfluidic Methods
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doctoralThesis -
174
Association Between Three-Months Vitamin D Supplementation and Depressive Symptomatology incidence among Saudi Arabian Adults
Published 2022“…Results: The final sample size included 71 participants with an average age of 30.23 ±7.66and constituted of 59.2% females. The mean baseline 25(OH)D3 concentration was 16.92±7.23ng/ml in the vitamin D group and 16.44±5.91 ng/ml in the control group (p =0.76). …”
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masterThesis -
175
The distribution of toxic sources in Louisiana
Published 1993“…A distance gradient analysis indicates that as distance from the nearest toxic source increases, the mean percentage of blacks in the community decreases and the mean percentage of whites increases. …”
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masterThesis -
176
Transfer function analysis between arterial pressure and renal sympathetic nerve activity at cardiac pacing frequencies in the rat
Published 2007“…Cardiac pacing slightly increased mean AP (0.8 ± 0.2 mmHg/Hz) and decreased pulse pressure (−3.6 ± 0.3 mmHg/Hz) while leaving the mean level of RSNA essentially unaltered (P = 0.680, repeated-measures ANOVA). …”
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177
Effect of carbon nanotubes on the bonding mechanism of non-corrosive reinforcements to concrete
Published 2024“…This study aimed to assess the impact of waterborne pre-dispersed multiwall carbon nanotubes (MWCNTs) at a concentration of 0.2 wt % on the bond strength between concrete and non-corrosive reinforcements, including stainless steel (SS), glass fiber reinforced polymers (GFRP), and basalt fiber reinforced polymers (BFRP) bars. …”
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178
Waste materials utilization in 3D printable concrete for sustainable construction applications: a review
Published 2024“…<p dir="ltr">Three dimensionally printed concrete (3DPC) is an interesting topic that has attracted increasing attention during the last few years. This paper offers a comprehensive review of the utilization of waste materials in 3DPC. …”
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179
Effect of carbon nanotubes on the bonding mechanism of non-corrosive reinforcements to concrete
Published 2024“…<p>This study aimed to assess the impact of waterborne pre-dispersed multiwall carbon nanotubes (MWCNTs) at a concentration of 0.2 wt % on the bond strength between concrete and non-corrosive reinforcements, including stainless steel (SS), glass fiber reinforced polymers (GFRP), and basalt fiber reinforced polymers (BFRP) bars. …”
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180
Zirconium Phosphate/Ionic Liquid Proton Conductors for High Temperature Fuel Cell Applications
Published 2017Get full text
doctoralThesis