a blue mineral of magnesium and iron and aluminum and silicon and oxygen; often used as a gemstone
例句
用作名词(n.)
High-purity low Cordierite is produced by sintering.应用烧结法成功地合成了高纯度低温堇青石。
It was concluded that ceramic honeycomb of cordierite may be the most suitable catalyst carrier for vehicle tail gas purification.认为堇青石陶瓷蜂窝状载体是目前较为适合的汽车尾气净化催化剂载体。
