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Based on various characterizations, such as XRD, XPS, TEM, SEM, BET, FLS, RAMAN, IR, DRS of pyrodine adsorption, nitrogen-adsorption etc. 同時採用XRD、TEM、SEM、FT-IR、XPS、EDX、RAMAN、熒光光譜、氮氣吸附等溫線等表征手段對所制備催化劑的結搆進行了表征。