Using data gathered from other sources on potassium-the other major element-they were able to estimate that radiogenic heat accounts for half of the heat produced by the Earth.
使用从其他来源收集到的钾(另一种主要元素)的数据，放射热估计能够占地球产生的热量的一半。
2
Click on the Map element of our process to open the attributes and characteristics of the Map in the lower half of the process editor.
单击我们的流程样本的map元素，打开流程编辑器下半部分的Map的属性和特性。
3
This radioactive element has a half-life of some 5, 700 years.