这些粒子中的一部分是稳定的并且构成了普通物质，其它的只存在一秒钟的几分之一，然后衰变为稳定粒子。
Some of these particles are stable and form the normal matter, the others live for fractions of a second and then decay to the stable ones.
一年后，他们成功地让两个元素的原子核聚变，创造出了他们的首个113号元素原子核，但过了不到千分之一秒，它就衰变了。
A year later, they successfully fused two atomic nuclei from these elements, creating their first nucleus of element 113, but it decayed in less than a thousandth of a second.
通过回溯一个衰变序列，科学家们有理由确认他们创造了118号元素，即便这种高度不稳定的新元素仅仅存在了一毫秒。
By working backward through a decay sequence, the scientists are reasonably certain they created element 118, even though the highly unstable new atoms survived only a millisecond apiece.
应用推荐