氧化锌-氧化锆催化剂
zinc oxide-zirconium oxide catalyst
氧化脱氢催化剂
oxidative dehydrogenation catalyst
oxy-dehydrogenation catalyst
氧化铜-氧化锌-氧化铝催化剂
copper oxide-zinc oxide-alumina catalyst
氧化铝载钴催化剂
alumina-supported cobalt catalyst
氧化-还原催化剂
Osxidation - reduction catalyst
氧化还原催化剂
redox catalyst
oxidation-reduction catalyst
氧化铬研磨膏
chrome oxide grinding cream