carbon- dating的意思|示意

Carbon dating provides the archaeologist with a basic chronological framework.

碳元素年代测定法给考古学家提供了基本的年代框架。

We now know the age of the glaciation accurately from radiometric dating of the carbon-14 in logs buried in the drift.

我们现在通过测量掩埋在漂流物中木头放射性的碳-14元素，以精确地确定冰川作用的时期。

In the case of the lotus, the age was worked out by carbon dating of the fruit.

关于上面的莲花一例，可以通过碳定年来确定果实的年龄。

Carbon dating works by comparing the amount of carbon 14, which is a less common and less stable form of carbon, to the more abundant carbon 12.

碳的年代测定工作是将碳14(碳处于这种状态并不常见，也不稳定)与碳12(碳的常见状态)的含量进行对比。

Find a good description of the dating process here. After carbon-14 spread throughout the globe, tiny amounts of the gas were taken up by the slow-growing mosses.

在碳- 14散布到全球之后，微量的这种气体被缓慢生长的苔藓吸收。

For example, heart muscle cells have two nuclei, which means the DNA could be in there twice, so this could screw up the carbon 14 dating.

例如，心肌细胞有两个核，这样，DNA计数加倍，以致碳14的核定值被带高。