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nn decrease » _ decrease (Expand Search)
1 decrease » _ decrease (Expand Search), _ decreased (Expand Search), _ decreases (Expand Search)
20 1 » 20 10 (Expand Search), 2 1 (Expand Search), 0 1 (Expand Search)
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461
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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462
Microbially induced calcite precipitation in calcareous soils by endogenous Bacillus cereus, at high pH and harsh weather
Published 2020“…However, Qatari soils are characterized with high carbonate contents exceeding 20%, high alkalinity and fluctuations of temperature and aeration. …”
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Effect of electroless bath composition on the mechanical, chemical, and electrochemical properties of new NiP-C 3 N 4 nanocomposite coatings
Published 2019“…It has an efficiency of approximately 96% that decreased gradually, losing about only 2% after one week and 20% after one month of immersion time in the aforementioned chloride solution.…”
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466
Morphology, nucleation, and isothermal crystallization kinetics of poly(butylene succinate) mixed with a polycarbonate/MWCNTs masterbatch
Published 2018“…The nanocomposites contained 0.5, 1.0, 2.0, and 4.0 wt% MWCNTs. Differential scanning calorimetry (DSC), small angle X-ray scattering (SAXS) and wide angle X-ray scattering (WAXS) results indicate that the blends are partially miscible, hence they form two phases (i.e., PC-rich and PBS-rich phases). …”
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467
Mixed Solid Municipal Waste-Based Biochar for Soil Fertility and Greenhouse Gas Mitigation
Published 2016“…Trays were watered twice daily to maintain moisture level between 10 and 12 percent. The percentage of seed germination was calculated and the plant growth measured as dry biomass. …”
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468
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“…Excess mortality rates exceeded 150 deaths per 100 000 population during at least one year of the pandemic in 80 countries and territories, whereas 20 nations had a negative excess mortality rate in 2020 or 2021, indicating that all-cause mortality in these countries was lower during the pandemic than expected based on historical trends. …”
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469
Driver Drowsiness Detection Study using Heart Rate Variability analysis in Virtual Reality Environment
Published 2018“…According to Transport Accident Commission, about 20% of fatal road accidents are caused by driver fatigue [1]. …”
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Repositioning for pressure injury prevention in adults.
Published 2020“…Primary outcomes: proportion of new PI of any stage Repositioning frequencies: three trials compared different repositioning frequencies We pooled data from three trials (1074 participants) comparing 2-hourly with 4-hourly repositioning frequencies (fixed-effect; I² = 45%; pooled risk ratio (RR) 1.06, 95% confidence interval (CI) 0.80 to 1.41). …”
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