本文阐述喀斯特沉积物中稀土分布模式的精细结构—稀土四重效应特征及其研究意义。
In this paper the fine structure of the distribution model of REE in Karst deposits-the tetrad effect and its meaning are discussed.
使用TEM研究了钢中贝氏体的精细结构及碳化物的形貌与分布,加入微量元素使贝氏体铁素体组织明显细化。
The fine structure of bainite and the morphology and distribution of carbides in steels were investigated with TEM.
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