It is very significant to Ba stars for heavy-element nucleosynthesis and Galactic chemical evolution.
钡星对于重元素核合成及星系化学演化的研究都有非常重要的意义。
2
This is the most common element in the universe and so could come from many sources, but the fact that it tends to coincide with heavy-element pollution is telling.
氢是宇宙中最普遍的元素，可以有多种来源，但是它总是倾向于与重元素污染并存这一事实才是关键。
3
Still, the search for better batteries is an endless one, and Dr Pyykko’s discovery might prompt some new thinking about what is possible in this and other areas of heavy-element chemistry.