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10 decrease » _ decrease (Expand Search)
nn decrease » _ decrease (Expand Search)
5 10 » _ 10 (Expand Search), a 10 (Expand Search), 9 10 (Expand Search)
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Effect of using Cement Kiln Dust as a nano-material on the strength of cement mortars
Published 2017“…In addition to the control cement mortar mixture with 0% CKD, a total of 28 concrete mortar mixtures were prepared with four different replacement percentages of nano-CKD (5, 10, 15, and 20 %), and seven different milling times (1, 1.5, 2, 2.5, 3, 3.5, and 4 hours). …”
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163
Evaluation of different personalized ventilation air terminal devices: Inhalation vs. clothing-mediated exposures
Published 2021“…Increasing the flow to 10 l/s led to reductions of 89% in exposure and 56.5% in deposition. …”
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Enhancement of mechanical and corrosion resistance properties of electrodeposited NiP-TiC composite coatings
Published 2021“…Various amounts of TiC particles (0, 0.5, 1.0, 1.5, and 2.0 g L−1) were co-electrodeposited in the Ni–P matrix under optimized conditions and then characterized by employing various techniques. …”
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Structural, wear and thermal behaviour of Cu–Al2O3–graphite hybrid metal matrix composites
Published 2020“…Copper matrix composites with Al2O3–graphite reinforcement (0.5-0.5, 1.0-1.0, 1.5-1.5 and 2.0-2.0 wt%) were prepared by stir casting process. …”
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169
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Mercury pollution in doha (Qatar) coastal environment
Published 1994“…1) represented 81.0% of the total dissolved Hg (3.5 ng L?1). Organic Hg (0.6 ng L?1) contributed only 5.0% of total Hg. …”
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171
Industrial waste utilization of carbon dust in sustainable cementitious composites production
Published 2020“…Any further addition of carbon dust would decrease the strength. Best enhancement in compressive strength (27%) is achieved in the case of using 5% replacement ratio. …”
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Bioactive PCL matrices with a range of structural & rheological properties
Published 2016“…Increased loading of PEG to 25% (w/w) caused a 10-fold increase in the melt flow index, a similar increase in the elongational viscosity, and a contact angle decrease of 10°, indicating that the resultant fluid was becoming more Newtonian. …”
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174
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The Effect of Hyperoxia on Central and Peripheral Factors of Arm Flexor Muscles Fatigue Following Maximal Ergometer Rowing in Men
Published 2022“…Results: Arterial hemoglobin O2 saturation was reduced to 92.5 ± 0.2% during exercise with normoxia but maintained at 98.9 ± 0.2% with hyperoxia. …”
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176
Fecal Carriage and Molecular Characterization of Carbapenemase-Producing Enterobacterales in the Pediatric Population in Qatar
Published 2021“…All 9 blaOXA-48-type-gene-containing E. coli sequence type 38 (ST38) strains were isolated from patients without international travel history. The mean quarterly incidence of fecal carriage decreased more than 6-fold after the implementation of coronavirus disease 2019 (COVID-19)-related international travel restrictions in Qatar in mid-March 2020. …”
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177
Study of performance, combustion, and emissions parameters of DI-diesel engine fueled with algae biodiesel/diesel/n-pentane blends
Published 2021“…To enhance engine performance, n-pentane was used in different extents of 5, 10, and 15 ml per liter as an enhancer additive. …”
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178
Enhanced photovoltaic performance with co-sensitization of a ruthenium(ii) sensitizer and an organic dye in dye-sensitized solar cells
Published 2016“…Upon optimization, the device made of 0.3 mM N3 + 0.2 mM RK-1 yielded Jsc = 18.1 mA cm2, Voc = 888 mV, FF = 57.44, and ? = 9.23%. This performance is superior to that of solar cells sensitized with either N3 (6.10%) or RK-1 (5.82%) fabricated under the same conditions. …”
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179
Simulation and Optimization of an LNG Plant Cold Section
Published 2018“…Using the short cut method, optimization revealed that optimized MR composition resulted in almost 10% MR compression power and 6% plant operating cost savings, whereas new intermediate propane evaporation pressures, identified using detailed simulation, and flowrates decreased the propane compression power and operating costs by around 3.6%, and 2%, respectively. …”
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