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Improved mechanical properties of recycled linear low-density polyethylene composites filled with date palm wood powder
Published 2014“…The presence of filler increased the flexural strength from 11.4MPa for unmodified RLLDPE to 17MPa for the composite containing 70wt.% filler. The Young’s modulus and stress at break measured at 50°C decreased significantly compared with those values measured at 25°C. …”
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163
Global age-sex-specific fertility, mortality, healthy life expectancy (HALE), and population estimates in 204 countries and territories, 1950–2019: a comprehensive demographic anal...
Published 2020“…Background Accurate and up-to-date assessment of demographic metrics is crucial for understanding a wide range of social, economic, and public health issues that affect populations worldwide. …”
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164
Global age-sex-specific fertility, mortality, healthy life expectancy (HALE), and population estimates in 204 countries and territories, 1950–2019: a comprehensive demographic anal...
Published 2020“…Background Accurate and up-to-date assessment of demographic metrics is crucial for understanding a wide range of social, economic, and public health issues that affect populations worldwide. …”
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Seasonal Variations of Acoustic Properties in Ropme Sea Area
Published 1993“…Sound speed was similar in the upper 60 meters. From an acoustic point of view, the basin west of 56°E is considered as a shallow area while the Gulf of Oman is a deep area. …”
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167
Global age-sex-specific mortality, life expectancy, and population estimates in 204 countries and territories and 811 subnational locations, 1950–2021, and the impact of the COVID-...
Published 2024“…Population size was computed using a Bayesian hierarchical cohort component model. …”
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The relationship between heavy metal concentration and soil mycoflora in the Gizan region, Saudi Arabia
Published 1997“…There was a marked decrease in bacterial counts, as well as a significant decline in numbers of actinomycetes, nitrifying bacteria and fungi. …”
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172
ELECTRODE SUSPENSION FOR AQUEOUS SODIUM FLOW BATTERY
Published 2022“…At 1.5 wt% KB, the anolytes could tolerate high load (25 wt%) of NTO without severe rise in the rigidity and conductivity under static and flow modes. …”
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173
Thermal characterization of phase change materials based on linear low-density polyethylene, paraffin wax and expanded graphite
Published 2016“…A similar decrease in sensible heat with increased loading of EG was observed for PCMs containing 50 wt.% of EG. …”
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174
Foamed phase change materials based on recycled polyethylene/paraffin wax blends
Published 2021“…Foamed phase-change materials (FPCMs) were prepared using recycled linear low-density polyethylene (LLDPE) blended with 30 wt.% of paraffin wax (PW) and foamed by 1,1′-azobiscarbamide. …”
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175
Enhanced quality factor of polyvinyl formal (PVF) based nanocomposites filled with zinc oxide and carbon black nanoparticles for wireless sensing applications
Published 2019“…Quality factor was measured as a function of temperature (50 – 150°C) and wide range of frequency from 50 Hz - 20 MHz. …”
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176
Investigating the effect of polymer-modified graphene oxide coating on RO membrane fouling
Published 2022“…The membrane surface characterization showed a decrease in membrane surface roughness from 74.7 nm to 69.0 nm and an increase in membrane hydrophilicity as the contact angle decreased from 41.7 ± 4.50 to 22.0 ± 1.10. …”
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177
Utilization of Emergency Services by Children with Asthma in Qatar
Published 2022“…Background: Asthma is a leading chronic disease in children worldwide, which if left untreated or poorly controlled, can lead to altered lung function and poor quality of life. 1 Early detection and improved control of asthma are recommended to decrease utilization of emergency services and hospitalizations. …”
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178
Investigation of the rheological properties of nanosilica-reinforced polyacrylamide/polyethyleneimine gels for wellbore strengthening at high reservoir temperatures
Published 2019“…The objective of this work is to investigate the effect of nanosilica sizes (8, 20, 50, and 85 nm) and concentrations (0.1–2 wt %) on the stability and viscoelastic behavior of polyacrylamide (PAM) cross-linked with polyethyleneimine (PEI) at 130 °C. …”
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179
Correlation between delta-endotoxin and proteolytic activities produced by Bacillus thuringiensis var. kurstaki growing in an economic production medium
Published 2013“…Maximal protease activity (540-2468 UI) obtained by BUPM5-1 and BUPM5-2 was 2.34-fold and 10.7-fold, respectively, more than that obtained by the wild strain BUPM5 with a drastic decrease of their delta-endotoxin production. …”
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Impact of aluminium acetate particles size on the gelation kinetics of polyacrylamide-based gels: Rheological and molecular simulation study
Published 2021“…The addition of bentonite at low crosslinker concentrations (0.5–1 wt.%) did not decrease the gel strength of 7 wt.% PAM/1 wt.% AlAc significantly. …”
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