1.Based on the U-series dating of intercalated speleothem formations, the chronology of several hominid sites in southern China has been studied.

1.本文对采自云南呈贡龙潭山1号和广西土博咁期智人遗址的动物化石和穴次生碳酸岩样进行了铀系年代测定。

2.In vitro antigen presentation assays, in vivo administration of the bromodeoxyuridine coupled to flow cytometry assays assessed intra-islet T cell activation in the absence or presence of B cells.

2.离体实验测定抗原呈递；体动物实验，用溴脱氧尿苷处理后以流式细胞术检测B细胞（存或不存时）对胰岛内T细胞的影响。