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Micro-arc oxidation (MAO) coatings were prepared on the surface of magnesium alloys. The morphologies and surface roughness of the coatings were characterized by Confocal Laser Scanning Microscope (CLSM) and Scanning Electron microscope (SEM). The corrosion resistance properties of MAO coatings were tested in different corrosion condition. The experimental results showed that MAO treatment improves...
Supported gold (Au) nanocatalysts have attracted much attention due to their high activities in CO oxidation at low-temperature. While the deactivation of gold catalysts during the reaction limits their practical use. Two major reasons for the deactivation were put forward and accepted in general, i.e. agglomeration of gold particles and accumulation of carbonate-like species1,2. The agglomeration...
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