Zobrazeno 1 - 10
of 27
pro vyhledávání: '"Shou-Ren Gu"'
Publikováno v:
Materials Science and Engineering: A. 341:87-90
The effect of zirconia coatings deposited by the Sol–gel technique on the oxidation of mild steel was studied by scanning electron microscopy (SEM), X-ray diffraction (XRD) and measuring the weight gain. It was found that the thickness of zirconia
Publikováno v:
Journal of the European Ceramic Society. 22:1251-1256
Oxygen storage capacity (OSC) is an important parameter in three-way-catalysts (TWCs) for the purification of exhausts from gasoline engines of automobiles. Beciuse CeO2 possesses the unique performance, it is added into catalytic coatings of convert
Publikováno v:
Key Engineering Materials. :449-452
Publikováno v:
Key Engineering Materials. :745-748
Publikováno v:
Journal of Physics and Chemistry of Solids. 63:645-650
This paper has investigated the effect of calcining temperature (600-1000degreesC) on the mesopore, structure and surface fractal dimension of silica xerogels derived from two-step acid-base-catalyzed TEOS (tetraethyl orthosilicate) systems. Two base
Publikováno v:
Journal of Colloid and Interface Science. 246:129-134
Silica xerogels were prepared by thermal drying wet gels in an electric oven (70degreesC) after certain duration of ambient drying, and the relevant effect is investigated on the mesopore structures and surface fractal dimensions of the resultant xer
Publikováno v:
Journal of Physics and Chemistry of Solids. 62:1205-1211
This investigation deals with the effect of calcining temperature on the mesopore structures and surface fractal dimensions of MgO-Al2O3-SiO2 xerogels prepared via a two-step acid-base-catalyzed sol-gel process with/without alcohol washing before dry
Publikováno v:
Journal of Non-Crystalline Solids. 281:213-220
The stiffness and internal friction (Q−1) of a CaO–Al2O3 SiO2 glass and an Na2O–CaO–SiO2 glass have been measured from room temperature to their respective glass transition temperatures (Tg) using the impulse excitation technique (IET). Therm
Publikováno v:
Materials Research Bulletin. 36:461-470
The present work has investigated the influence of ultrasonic vibration during sol preparation on the mesoporosity and surface fractal dimensions of resultant silica xerogels, in comparison with magnetic stirrings. The xerogels are derived from hydro
Publikováno v:
Materials Letters. 46:136-141
Silica gels derived from an acid-catalyzed tetraethyl orthosilicate (TEOS) system were calcined after different duration of ambient drying, and their mesopore structure and surface fractal dimensions are investigated. The largest mesopore porosity is