(Table III) AMS radiocarbon ages of samples from Heidemann Valley trench, Ant...

Carrara marble used to estimate correction for sample preparation background contamination. pMC represents ratio of radiocarbon content of sample normalised to that in Oxalic...采用卡拉拉大理石（Carrara marble）以估算样品制备本底污染的校正系数。pMC（现代碳百分比，percent modern carbon）代表样品放射性碳含量相对于草酸（Oxalic[原文未完整标注]）中的放射性碳含量的归一化比值。