The effect of rare-earth elements, RE content, temperature and time on the penetrated depth, surface hardness and its distribution was investigated.
研究了稀土及稀土加入量、共渗温度、共渗时间对共渗层厚度、 表面硬度及其分布的影响。
The concentrations of these elements in the pore water were much higher than those in the overlying water and showed a typical peak distribution with depth;
各种重金属元素在孔隙水中的浓度比上覆水体中的浓度高得多，且在孔隙水中随深度均呈现典型的峰型分布；
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