The method of instrument neutron activity analysis (INAA) is used to determine contents of La,Ce,Nd,Sm,Eu,Tb,Yb,Lu,in 110 soil samples that are major soil types of Loess Plateau:Huile soil,Lou soil,HeiLu soil,Huangmian soil,Huigai soil etc Changes of REE in major soil types of Loess Plateau and distributing characteristics are analyzed in this paper
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