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搜索结果: 1-15 共查到工学 Sol-gel相关记录49条 . 查询时间(0.092 秒)
In this research work, two 30%(Co-Mn)/TiO2 catalysts were prepared using sol-gel (catalyst A) and co-precipitation (catalyst B) methods. The activity and selectivity to C2~4 light olefins in Fischer-T...
Mesoporous CuFe2O4 solid solution nanopowders with high specific surface areas were synthesized by a novel, very simple and inexpensive sol-gel route using propylene oxide as gelation agent, and used ...
A microwave-assisted sol-gel method was employed for the preparetion of nano-sized MgO particles using Mg(NO3)2·6H2O as precursor and deionized water as solvent. The sample calcined at 500 °C had a hi...
Pesticides are widely used in agriculture, although they may create hazards both to humans and to the environment. In order to reduce the harmful effects of their administration, there has been made a...
Titania nanofibers were successfully synthesized by sol-gel coating of electrospun polymer nanofibers followed by calcining to form either the pure anatase or rutile phases. Characterization of these ...
Advantages and effectiveness of using an organic polydentate ligand in the sol-gel process were discussed. The sol-gel method using the ligand was presented herein for preparation of metal oxides inc...
Bimodal porous catalysts were prepared by modifying the surface of macro-porous silica (Q-10, Q-30 and Q-50) with 20 wt%Co-0.5 wt%Ir-SiO2 prepared by the alkoxide method, and used for the Fischer-T...
The catalytic activity of Ga2O3-Al2O3 for the selective reduction of NO with propene was inhibited by the presence of H2O, whereas the catalytic activity of In2O3-Ga2O3-Al2O3 was significantly promot...
The dynamic light scattering (DLS) method was applied to measure the cluster radii of polyacrylamide and agarose solutions near the sol-gel transition point. In the case of polyacrylamide, primary clu...
In this paper, a novel nanoporous barium titanate (BaTiO3) crystalline powder was synthesized by using triblock poly(ethylene oxide) (PEO) and poly(propylene oxide) (PPO) based systems (P-123) as the ...
Alumina precursor film was coated on carbon fibers by a sol-gel method using aluminum alkoxide solution. The optimum coating condition for the concentration of alumina alkoxide and silane coupling ag...
This paper reports the humidity sensing behaviour of solgel processed ZnO films deposited on U-shaped borosilicate rods as substitute of optical fiber having the same radius of curvature. The films p...
Scheelite-type LiEuW2O8 (LEW) phosphors with the optical function of color conversion from near-UV to red were prepared by solgel method using a lithium acetate dehydrate, europium(III) nitrate pent...
Knowledge of the physical parameters and optical constants of sols and solgel materials is important in view of their possible applications. In this work, silica and silica-titania sols were examined...
借助XRD、SEM研究了Sol-Gel法制备NiTiSMA/FC薄膜复合材料在650℃晶化退火处理后的界面结构。结果表明,陶瓷薄膜层的约束抑制了NiTiSMA基体的高温时效反应;由于NiTiSMA基体表面的高温氧化产生的TiO2过渡层,使NiTiSMA与铁电陶瓷两异质之间良好结合。

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