Gold was supported on commercial ZnO powders(P) and homemade ZnO nanowires(NWs) by a modified deposition–precipitation method. X-ray diffraction and transmissi
Asphaltenes, complex aromatic compounds from various carbonaceous sources, could be obtained by solvent dissolution, filtration and adsorption. It was difficult
CeO2 supports were prepared by calcination or precipitation method and 5% MoO3/CeO2 catalysts were prepared by incipient-wetness impregnation method. The cataly