بدائل البحث:
10 decrease » _ decrease (توسيع البحث)
nn decrease » _ decrease (توسيع البحث)
5 10 » _ 10 (توسيع البحث), a 10 (توسيع البحث), 9 10 (توسيع البحث)
peer » per (توسيع البحث)
10 decrease » _ decrease (توسيع البحث)
nn decrease » _ decrease (توسيع البحث)
5 10 » _ 10 (توسيع البحث), a 10 (توسيع البحث), 9 10 (توسيع البحث)
peer » per (توسيع البحث)
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521
Spatial, temporal, and demographic patterns in prevalence of chewing tobacco use in 204 countries and territories, 1990-2019: A systematic analysis from the Global Burden of Diseas...
منشور في 2021"…Prevalence among young people aged 15–19 years was over 10% in seven locations in 2019. Although global age-standardised prevalence of smoking tobacco use decreased significantly between 1990 and 2019 (annualised rate of change: –1·21% [–1·26 to –1·16]), similar progress was not observed for chewing tobacco (0·46% [0·13 to 0·79]). …"
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522
Tribological studies of nanomodified mineral based multi-grade engine oil
منشور في 2017"…Tests were carried under loads of 40N, 60N and 90N at sliding speeds 0.5 m/s, 1.0 m/s and 1.5 m/s. Nanoparticle concentration in the mineral oil was taken as 1.5 wt%. …"
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523
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524
Enhancing compressive, tensile, thermal and damping response of pure Al using BN nanoparticles
منشور في 2018"…In the present study, aluminum based metal matrix composites containing various amounts of boron nitride (BN) nanoparticulates (0, 0.5, 1.0 and 1.5 vol.%) were fabricated by using the powder metallurgy (PM) technique involving microwave sintering and hot extrusion process. …"
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525
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526
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527
Improved properties of Al-Si3N4 nanocomposites fabricated through a microwave sintering and hot extrusion process
منشور في 2017"…In this study, nano-sized Si3N4 (0, 0.5, 1.0 and 1.5 vol%)/Al composites were fabricated using a powder metallurgy method involving microwave sintering technique followed by hot extrusion. …"
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528
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529
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530
Enhanced performance of nano-sized SiC reinforced Al metal matrix nanocomposites synthesized through microwave sintering and hot extrusion techniques
منشور في 2017"…In the present study, nano-sized SiC (0, 0.3, 0.5, 1.0 and 1.5 vol%) reinforced aluminum (Al) metal matrix composites were fabricated by microwave sintering and hot extrusion techniques. …"
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531
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532
Mn-ferrite based solar thermochemical water splitting cycle: A thermodynamic evaluation
منشور في 2019"…allied with the Mn-ferrite was observed to be increased as the PO2 was decreased from 10?1 to 10?5 atm and the TH was upsurged from 1500 to 2100 K. …"
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533
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534
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535
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536
Enhancing the corrosion resistance of reinforcing steel under aggressive operational conditions using behentrimonium chloride
منشور في 2019"…1 of BTC, we are able to measure an inhibition efficiency of 91, 79, and 71% in SCP solution with 3.5% NaCl at pH of 12.5, 10 and 7, respectively without showing any effect on the mechanical properties on the cured mortars. …"
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537
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538
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539
Inhibitory effect of sodium nitrite on corrosion of lead in 0.1 M sodium hydroxide solution
منشور في 1988"…The concentrations of NaNO2 employed are in the range 1-5×10-5. There is a linear relationship between the corrosion potential and the molar concentration of NaNO2. …"
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540