The samples were characterized by thermo-gravimetric analysis (TGA), X-ray diffraction (XRD), temperature-programmed-reduction of H2 (H2-TPR) and BET.

• 考察了氧成分和空速等对催化活性的影响；并用TGA；XRD；H2-TPR和BET等对该催化剂进行表征.