(App. Table II-8a) Enrichment factors relative to the Earth's crust for chemi...
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EF = (El_sample/Sc_sample) / (El_crust/Sc_crust)
富集因子(Enrichment Factor,EF)的计算公式为:EF = (样品中目标元素与钪(Scandium,Sc)的含量比值) / (地壳中目标元素与钪(Scandium,Sc)的含量比值)



