| 摘要 |
<p>C12A7 containing oxygen radicals at a high concentration, is provided at a low cost. <??>A method for preparing an oxygen radical-containing calcium aluminate film, characterized in that it comprises subjecting a powder of oxygen radical-containing calcium aluminate to thermal spraying, and preferably the oxygen radical content in the oxygen radical-containing calcium aluminate is at least 10<20> cm<-3></p> |
