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huang tu wei jie gou te zheng de sao miao dian jing guan cha
Author(s): 
Pages: 22-25,40
Year: Issue:  3
Journal: RADIATION PROTECTION BULLETIN

Keyword:  扫描电镜接触类型黄土颗粒;
Abstract: 本文叙述在JSM-35CF扫描电镜下,样品放大130至10000倍,观察的黄土剖面自地表至29m深处的颗粒接触关系依次为支架接触、支架-镶嵌接触和镶嵌接触.相应渗透系数从6.40×10-4cm/s减至1.76×10-7cm/s,减缓了放射性核素在黄土中向地下水迁移的速度.
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