No. 1688, Gaoke East Road, Pudong new district, Shanghai, China.
No. 1688, Gaoke East Road, Pudong new district, Shanghai, China.
It amounted to 150 ± 12 mg/kg for control soil and 143 ± 6 for soil contaminated with MPs, independently of Al2O3-MP concentration. In soil contaminated with nanoparticles 134.3 ± 40.4, 158.1 ± 18,5 and 540.1 ± 72.7 mg/kg aluminium was determined in EDTAextractable fraction for 1, 10 and 100 g/kg Al2O3 NP concentration, respectively.
Semantic Scholar extracted view of "Effect of sub-micron Al2O3 concentration on dry wear properties of 6061 aluminum based composite" by A. Al-Qutub et al. ... Abrasive wear resistance of aluminum matrix composites containing Al2O3 and SiC was investigated using a dry sand/rubber wheel abrasion tester. Composites containing Al2O3 were found to ...
The concentration range of Nd was chosen below 1% to prevent any cross relaxation between Nd 3+ atoms which typically occurs at concentrations above 1% [21]. Similarly, in film CR02, the Cr concentration is between 0.1 and 0.7 at. % as shown in Fig. 2 b.
Hybrid nanofluids are considered to have better application prospects because of their superior thermal properties than traditional heat transfer media and single nanofluids. However, the instability problem caused by particles settling in fluids has always been hard to solve. Al2O3 and SiO2 particles with average particle sizes of 30 nm and 20 nm, respectively, …
The effect of Al2O3 concentration on the density and structure of CaO-SiO2-Al2O3 slag was investigated at multiple Al2O3 mole percentages and at a fixed CaO/SiO2 ratio of 1. The experiments were conducted in the temperature range of 2154 K to 2423 K (1881 °C to 2150 °C) using the aerodynamic levitation technique. In order to understand the relationship between …
The concentration is given in wt% or ppm by the data Quanta As modelling software. The mineralogical composition of both laterites were determined by X-ray powder diffraction (XRD) analysis (PANAlytical X'Pert PRO diffractometer, Ni filtered Cu-Kα radiation, λ = 1.5405 Å). ... Finally the river sand (sand was collected from Sanaga river with ...
The heat transfer coefficient and friction factor of 0.5% volume concentration of Al2O3 nanofluid with twist ratio of five is 33.51% and 1.096 times respectively higher compared to flow of water ...
The effect of ionic strength (IS), flow rate, and nanoparticle concentration on the transport and deposition of aluminum oxide nanoparticles (Al2O3 NPs) in saturated sand was investigated. Mobility of Al2O3 NPs was influenced by IS, the highest mobility was observed in DI water (97% elution of the i …
Effect of Shape, Surface Modification and Concentration of Al2O3 Nanoparticles on Breakdown Performance of Transformer Oil. January 2019; Journal of Electrical Engineering and Technology 15(3) 15(3)
All investigated plants accumulated aluminium and its concentration depended on the concentration of Al2O3 in the growth medium and the particle size. The most effective uptake …
In sand blasting, which one of the following blast media is used: Caco3. Al2o3. SiO2. Fe2o3. 5 of 25. Term. Calorizing is the same as which one of the following surface processes: ... In ion implantation, the concentration of the impregnated element in the substrate is greatest. Choose matching definition.
In the absence of a consensus on the acceptable "safe" concentration of aluminium in plasma to guide therapy, it was suggested that 0.5 to 1.9 μM (13.5 to 51 μg/L) be considered as reflecting increased exposure, 2.0 to 2.9 μM (54 to 78 μg/L) excessive exposure, and > 3 μM (81 μg/L) a toxic concentration, that perhaps warrants ...
Two types of hematite iron ore, lime stone, burnt lime and reagent grade Al2O3 powders were mixed so that the Al2O3 concentration was 0.8 mass% and 2 mass%. The mixed powders were uniaxially pressed into a shape of tablet, which was subjected to sintering. Both samples with low and high Al2O3 concentrations (LA and HA samples, respectively ...
In this work, epoxy resin samples incorporated with nano-Al2O3 of various concentrations 0, 1, 3 and 5 wt% were prepared. Surface treatment of nano-Al2O3 was performed by the saline coupling agent of γ-aminopropyltriethoxysilane (KH550) to restrict the aggregation. The thermal gravimetric analysis (TGA) of the epoxy resin/Al2O3 nanocomposites was …
An experimental and theoretical investigation has been performed on the effective viscosity of Al 2 O 3-water nanofluids flowing through micrometer- and millimeter-sized circular tubes in the fully developed laminar flow regime.We have discovered that the effective viscosity of Al 2 O 3-water nanofluids increases nonlinearly with the volume concentration of nanoparticles …
In this study, transport and retention of Al 2 O 3, TiO 2 and SiO 2 NPs through various saturated porous media were investigated. Vertical columns were packed with quartz …
In the present study, the viscosity of the CaO–SiO2–FeO–Al2O3–MgO slag system was measured for the recovery of FeO in the electric arc furnace (EAF) process using Al dross. Considering the MgO-saturated operational condition of the EAF, the viscosity was measured in the MgO-saturated composition at 1823 K with varying FeO and Al2O3 …
The particle concentration up to 0.8% and temperature range from 15 °C–50 °C were considered. Both the nanofluids are exhibiting higher thermal conductivity compared to base fluid. Under same volume concentration and temperature, CuO nanofluid thermal conductivity is more compared to Al 2 O 3 nanofluid. A new correlation was developed based ...
In this research work, it was attempted to reduce the iron contents (Fe2O3) in silica from Shenin silica mine. This silica sand contains 93.75% SiO2, 0.44% Fe2O3, 2.78% Al2O3, and 0.08% TiO2 and ...
Request PDF | Erosion-corrosion of electrodeposited superhydrophobic Ni-Al2O3 nanocomposite coatings under jet saline-sand slurry impingement | For the first time, this study developed a detailed ...
The sandblasting is conducted by using Al2O3 powder (25, 50, 110 and 125 µm) under various amounts of air-abrasion pressure (0.1, 0.2, 0.4 and 0.6 MPa).
The El Oued sand grains characteristic by having SiO2, large concentrations of Al2O3, and Fe2O3. ... The results obtained that the optimal concentration of sand particles was 30 g/L, where the ...
DOI: 10.1016/J.ICHEATMASSTRANSFER.2012.11.004 Corpus ID: 119825478; Experimental thermal conductivity of ethylene glycol and water mixture based low volume concentration of Al2O3 and CuO nanofluids
Transport of aluminum oxide nanoparticles in saturated sand: effects of ionic strength, flow rate, and nanoparticle concentration.
The effect of ionic strength (IS), flow rate, and nanoparticle concentration on the transport and deposition of aluminum oxide nanoparticles (Al 2 O 3 NPs) in saturated sand …
The effect of ionic strength (IS), flow rate, and nanoparticle concentration on the transport and deposition of aluminum oxide nanoparticles (Al2O3 NPs) in saturated sand was investigated ...
Besides, molten oxide particles (e.g., dust, ash, and desert sand) sucked into the engine during the actual service process, undergo eutectic reaction at about 1200 °C and form a low ... the liquid field spans ~25 mol% changes in both SiO 2 and CaO concentrations, while the liquid phase concentration range of AlO 1.5 is less than 10 ...
This study deals with the modeling, sensitivity analysis and uncertainty quantification of one-dimensional transport of nano-sized (~82 nm) aluminum oxide particles in …
The effect of ionic strength (IS), flow rate, and nanoparticle concentration on the transport and deposition of aluminum oxide nanoparticles (Al2O3 NPs) in saturated sand was …
Al 2 O 3 sandblasting with 110 μm sand for 3Y-TZP, 90 μm sand for 4Y-PSZ, and 25 μm sand for 5Y-PSZ were considered as the recommended blasting conditions. Keywords: zirconium oxide, air abrasion, dental stress analysis, phase transition, surface properties
