The results indicate that the amounts of Fe oxides influence Cd adsorption to natural surface coatings greatly. 结果表明，在自然水体生物膜吸附镉的过程中，生物膜对镉的吸附随生物膜上铁氧化物的含量呈规律性变化。
To recover iron from its ores, the oxides are reduced by heating together with coke and limestone. 为了从矿石中提炼铁，必须在铁氧化物中加焦炭和石灰石进行加热，还原出铁来。
