淀积（illuvation）： 铁化(ferrugination) 6 还原过程:土体下部，因土壤处于还原状态而产生低价态物质如二价的铁、锰，形成蓝灰或青灰的还原土层，称为潜育层，此过程也成...
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通过对中毒离子交换树脂的分析，证实离子交换树脂被铁化物污染是导致离子交换树脂交换能力有所下降主要原因。
Analysis of the poisoned ion exchange resin proves that the pollution of ion exchange resin by iron compound is the main reason leading to exchanging ability reduction.
但是浦项制铁成功了，它成为韩国令人骄傲的工业化引擎。
But POSCO prospered and became the engine for the country's remarkable industrialisation.
作为首个工业化国家，在很短时间里，不列颠的煤、铁和棉纺织品就占了世界产量的一半以上；
The first country to industrialise, Britain was soon turning out more than half the world's coal, pig-iron and cotton textiles.
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