بدائل البحث:
ng decrease » _ decrease (توسيع البحث)
nn decrease » _ decrease (توسيع البحث)
1 decrease » _ decrease (توسيع البحث), _ decreased (توسيع البحث), _ decreases (توسيع البحث)
20 1 » 20 10 (توسيع البحث), 2 1 (توسيع البحث), 0 1 (توسيع البحث)
ng decrease » _ decrease (توسيع البحث)
nn decrease » _ decrease (توسيع البحث)
1 decrease » _ decrease (توسيع البحث), _ decreased (توسيع البحث), _ decreases (توسيع البحث)
20 1 » 20 10 (توسيع البحث), 2 1 (توسيع البحث), 0 1 (توسيع البحث)
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441
Association between central obesity indices and iron status indicators among Qatari adults
منشور في 2021"…A random sample of 1000 healthy Qatari adults, aged 20–50 years, was obtained from Qatar Biobank study. …"
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442
Why Construction Projects are delayed in PWA: Problems and Solutions
منشور في 2023"…The solution consists of two parts, (1) identify the relevant corrective, immediate and preventive actions, and (2) develop a responsibility matrix for the implementation of those solutions to ensure its governance.…"
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443
Selective adsorption of carbon dioxide, methane and nitrogen using resorcinol-formaldehyde-xerogel activated carbon
منشور في 2017"…Adsorption/desorption isotherms of CO2, CH4, and N2 gases onto RF-ACX adsorbent were measured gravimetrically by a magnetic suspension microbalance at five different temperatures (20, 30, 40, 50 and 60 °C) in the pressure range of 0–1 MPa. …"
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444
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445
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446
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447
Investigation of the rheological properties of nanosilica-reinforced polyacrylamide/polyethyleneimine gels for wellbore strengthening at high reservoir temperatures
منشور في 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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448
Microbially induced calcite precipitation in calcareous soils by endogenous Bacillus cereus, at high pH and harsh weather
منشور في 2020"…However, Qatari soils are characterized with high carbonate contents exceeding 20%, high alkalinity and fluctuations of temperature and aeration. …"
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449
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450
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451
Effect of electroless bath composition on the mechanical, chemical, and electrochemical properties of new NiP-C 3 N 4 nanocomposite coatings
منشور في 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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452
Morphology, nucleation, and isothermal crystallization kinetics of poly(butylene succinate) mixed with a polycarbonate/MWCNTs masterbatch
منشور في 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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453
Mixed Solid Municipal Waste-Based Biochar for Soil Fertility and Greenhouse Gas Mitigation
منشور في 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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454
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-...
منشور في 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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455
Driver Drowsiness Detection Study using Heart Rate Variability analysis in Virtual Reality Environment
منشور في 2018"…According to Transport Accident Commission, about 20% of fatal road accidents are caused by driver fatigue [1]. …"
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456
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457
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458
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459
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460
Repositioning for pressure injury prevention in adults.
منشور في 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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