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)
10 decrease » _ decrease (توسيع البحث)
nn decrease » _ decrease (توسيع البحث)
5 10 » _ 10 (توسيع البحث), a 10 (توسيع البحث), 9 10 (توسيع البحث)
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441
Correlation of structural and mechanical properties for Al-Al2O3-SiC hybrid metal matrix composites
منشور في 2021"…Al-Al2O3-SiC hybrid composite has been developed through stir casting with addition of ceramics i.e. Al2O3-SiC (2.5 wt.%, 5.0 wt.%, 7.5 wt.% and 10.0 wt.%) in relative and symmetrical proportion. …"
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442
Enhancing thermal and mechanical response of aluminum using nanolength scale TiC ceramic reinforcement
منشور في 2018"…the present work, nano-sized titanium carbide (0.5, 1.0 and 1.5 vol%) reinforced aluminum (Al) metal matrix composites were synthesized by powder metallurgy incorporating microwave sintering and hot extrusion. …"
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443
Improving mechanical, thermal and damping properties of niti (Nitinol) reinforced aluminum nanocomposites
منشور في 2020"…Compared to the unreinforced aluminum, hardness, ultimate compression/tensile strength and yield strength increased by 105%, 46%, 45%, and 41% while elongation and coefficient of thermal expansion (CTE) decreased by 49% and 22%, respectively. The fabricated Al-1.5 NiTi nanocomposite exhibited significantly higher damping capacity (3.23 × 10−4) and elastic modulus (78.48 ± 0.008 GPa) when compared to pure Al.…"
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444
An experimental study on achieving even-frosting for an air source heat pump using a novel dual-fan outdoor coil
منشور في 2022"…The experimental results demonstrated that when using the novel dual-fan outdoor coil in Cases 3, 4 and 7, the heating/frosting duration was lengthened by 23.6%, 34.5% and 46.4%, and the averaged output heating capacity () was increased by 5.5%, 9.5% and 9.6 %, and averaged COP () by 6.7%, 10.5% and 11.1% respectively, and the defrosting frequency was decreased by 33.3% in Case 7,when compared to using the traditional single-fan outdoor coil. …"
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445
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446
Carbon Emissions Policies and its Impact on the Design of Supply Chains
منشور في 2016"…It means the current carbon price level would not motivate the firms to gain profit or reduce costs by employing future fuels in transportation. …"
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447
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448
Novel, selective EPO receptor ligands lacking erythropoietic activity reduce infarct size in acute myocardial infarction in rats
منشور في 2016"…In study 4, AF43136 at 10 mg/kg decreased infarct size, similarly to the positive control CsA compared to the appropriate vehicle (39.4 ± 5.9% vs. 58.1 ± 5.4% and 45.9 ± 2.4% vs. 63.8 ± 4.1%, p < 0.05, respectively). …"
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449
Comparison of seed germination and recovery responses of a salt marsh Halophyte halopeplis perfoliata to osmotic and ionic treatments
منشور في 2016"…In order to partition salinity effects, we studied seed germination and recovery responses of a coastal salt marsh halophyte Halopeplis perfoliata to different isotonic treatments (?S: -0.5, -1.0, - 1.5, -2.0 and -2.5, MPa) of various salts and polythylene glycol (PEG) under two light regimes (12-h light photoperiod and 24-h complete darkness). …"
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450
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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451
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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452
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453
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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454
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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455
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456
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457
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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458
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459
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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460