In the literatures, most of CCAs were prepared by pyrolysis of gaseous hydrocarbon on alumina surface, which was usually not uniformly covered by carbon.

• 在文献报导中，大部分的碳-氧化铝复合材料是通过热解气相碳氢化合物制得的，这样在氧化铝表面覆盖的碳通常是不均匀的。