uranoid,uranide

TIMS uranium series dating technique is one of available techniques for dating samples from the Middle Pleistocene and hereafter.

热电离质谱铀系定年技术具有明显的优势 ,如样品用量少 ,测年精度高 ,测年范围宽 ,是中更新世以来有效的测年技术之一 ,可为全球环境变化、新构造运动、古人类的演化等课题研究提供高精度、高分辨率的时间标尺 ,有广阔的应用前景。

According to the ability of MAT 262 mass spectrometer and the characteristics of U and Th isotopes,the article studies the problems in measuring U and Th of uranium series dating technique,e.

根据MAT 2 62质谱计的性能和U、Th同位素特征 ,本文探讨了热电离质谱铀系法测定中所遇到的难点 ,提出相应的对策 ,指导设计MAT 2 62实验程

This paper reports the U-series dating results of calcites and mammalian fossils from Southern Branch Cave of Maba hominid site.

报道马坝人地点南支洞次生碳酸盐岩和骨化石样的铀系年代。

The chronological position of the paleoanthropological site of Yinshan in Anhui Province, East China, was re-examined by applying U-series dating to stalagmitic carbonate and fossilbone samples.

本文测定了银山地点钟乳石和骨化石样的铀系年代。

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

本文对采自云南呈贡龙潭山1号洞和广西土博咁前洞晚期智人遗址的动物化石和洞穴次生碳酸岩样品进行了铀系年代测定。