LaAl_(1/3)Fe_(2/3)O_3 catalyst was synthesized by the citrate method with La(NO_3)_3·6H_2O,Al(NO_3)_3·3H_2O,Fe(NO_3)_3·9H_2O and citric acid as raw materials.
用硝酸镧、硝酸铝与硝酸铁作原料,采用柠檬酸法制备了多孔铁铝酸镧催化剂,用XRD与SEM对其结构进行表征。
Nanocrystalline LaAl_(1/3)Fe_(2/3)O_3 was synthesized by the citrate method with La(NO_3)_3·6H_2O, Fe(NO_3)_3·9H_2OAl(NO_3)_3·9H_2O and citric acid as raw materials.
用硝酸镧、硝酸铝与硝酸铁作原料采用柠檬酸法制备了纳米铁铝酸镧催化剂,以正己烷作碳源催化裂解制备了高产率管径均匀的碳纳米管。
The endurance of Fe-Al coatings in liquid Zinc bath was studied it confirmed that the DGS coating was better than the HVOF.
在 45 #钢基体上 ,采用高速火焰喷涂 (HVOF)法和气体爆燃喷涂法 (DGS) 2种不同的工艺方法 ,分别喷涂铁铝涂层 ,观察涂层的微观组织 ,并分析其相结构及截面组织的不同 。