将“titania"翻译成中文

Iron-based composite nanostructures with ceria or titania as shell coating on naked iron spheres were successfully synthesized and used to catalyze ammonia decomposition.

合成了在四氧化三铁表面包覆二氧化铈或二氧化钛的铁基复合纳米结构材料,并将其应用于催化氨分解的反应。