A study on the effect of SiO2/Al2O3 ratio on the structure and performance of nano-sized ZSM-5 in methanol to propylene conversion
Sign Up to like & getrecommendations! Published in 2017 at "Reaction Kinetics, Mechanisms and Catalysis"
DOI: 10.1007/s11144-017-1162-6
Abstract: The effect of SiO2/Al2O3 ratio on high silica content nano-sized HZSM-5 stability and selectivity in conversion of methanol to propylene (MTP) has been investigated in a continuous flow isotherm fixed-bed reactor. Highly crystalline HZSM-5 zeolite… read more here.
Keywords: effect sio2; sio2 al2o3; al2o3 ratio;
Effect of SiO2 Addition on Chromium Transitions in Borate Glasses
Sign Up to like & getrecommendations! Published in 2020 at "Silicon"
DOI: 10.1007/s12633-020-00649-1
Abstract: Melt-quenching technique was used to prepare borosilicate glasses of composition xSiO2- (75-x) B2O3–24.7Li2O-0.3Cr2O3 (x = 0, 10, 20, 30, 40 and 50 mol%). With increasing the former content, both Cr6+ and Cr3+ optical transitions undergo strong intensity… read more here.
Keywords: effect sio2; transitions borate; sio2; addition chromium ... See more keywords
Effect of SiO2 on co-impregnated V2O5/WO3/TiO2 catalysts for the selective catalytic reduction of NO with NH3
Sign Up to like & getrecommendations! Published in 2019 at "Catalysis Today"
DOI: 10.1016/j.cattod.2017.11.037
Abstract: Abstract Co-impregnation of vanadia and tungsta on titania produced highly active catalysts for the reduction of nitrogen oxides with ammonia but showed aging tendencies at temperatures around 600 °C. In order to preserve their low temperature… read more here.
Keywords: wo3; temperature; effect sio2; reduction ... See more keywords
Effect of SiO2 on the sintering of cerium-doped lutetium oxyorthosilicate
Sign Up to like & getrecommendations! Published in 2020 at "Optical Materials"
DOI: 10.1016/j.optmat.2020.109650
Abstract: Abstract We present the effect of silica on the preparation of dense Lu2SiO5:Ce (LSO:Ce) compacts. Powders of LSO:Ce were first obtained by combustion synthesis and characterized by thermal analysis, indicating the presence of free amorphous… read more here.
Keywords: effect sio2; silica; effect; sio2 sintering ... See more keywords
Effect of SiO2@PEGMA Composites on Mechanical Properties of Oil Well Cement
Sign Up to like & getrecommendations! Published in 2022 at "ACS Omega"
DOI: 10.1021/acsomega.2c03202
Abstract: SiO2@PEGMA composites were synthesized by grafting poly(ethylene glycol) methacrylate (PEGMA) on SiO2 nanoparticles via radical polymerization. The chemical structures of the SiO2@PEGMA composites were analyzed by Fourier transform infrared, 1H NMR, and transmission electron microscopy… read more here.
Keywords: sio2 pegma; pegma; effect sio2; pegma composites ... See more keywords
The effect of SiO2 doping content on microstructure and dielectric properties of 0.99Ba0.5Sr0.5TiO3-0.01SnO2 ceramics
Sign Up to like & getrecommendations! Published in 2018 at "Ferroelectrics"
DOI: 10.1080/00150193.2018.1528957
Abstract: Abstract SiO2 doped BSTS ceramics were obtained by the conventional electroceramic processing. XRD was performed to confirm the phase. Meanwhile, the SEM images show the direct proof of the second phase, which is in good… read more here.
Keywords: effect sio2; doping content; dielectric properties; sio2 ... See more keywords
Effect of SiO2 Nano-particles on Plasticized Polymer Blend Electrolytes: Vibrational, Thermal, and Ionic Conductivity Study
Sign Up to like & getrecommendations! Published in 2020 at "Polymer-Plastics Technology and Materials"
DOI: 10.1080/25740881.2020.1793202
Abstract: ABSTRACT In this paper, the effect of SiO2 nano-particles on PVA-PVP-PEG-NaI based polymer blend electrolyte (PBE) films was studied and optimized. X-ray diffraction (XRD) and attenuated total reflection (ATR)-FTIR, thermo-gravimetric analysis (TGA), and ac impedance… read more here.
Keywords: effect sio2; nano particles; conductivity; sio2 nano ... See more keywords