Rare earth element composition of manganese nodules and micronodules from the...
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The shale-normalized REE patterns of manganese nodules from the northwest Atlantic show enrichment in Sm and Eu relative to the heavier and lighter REE, excluding Ce, and are...
取自西北大西洋的锰结核的页岩标准化稀土元素（REE, Rare Earth Element）配分模式显示，相较于除铈（Ce）外的轻、重稀土元素，其钐（Sm）与铕（Eu）呈现富集特征，且……
