The perovskite like LnSrCoO 4(Ln=La,Sm)mixed oxides were prepared by the polyglycol gel method,investigated by the XRD,BET,TEM and TPD methods,and used successfully for CO and C 3H 8 oxidation.是什么意思_The perovskite like LnSrCoO 4(Ln=La,Sm)mixed oxides were prepared by the polyglycol gel method,investigated by the XRD,BET,TEM and TPD methods,and used successfully for CO and C 3H 8 oxidation.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句