43号元素的衰变速度非常快。
真空衰变的基本条件是存在强电场。
The essential condition for the decay of the vacuum is the presence of an intense electric field.
它一旦从分裂的铀中产生，就会很快衰变。
It's just that once was generated from split Uranium, it decayed very quickly.
氦是钍和铀元素数千年放射性衰变的副产品。
Helium is the by product of millennia of radioactive decay from the elements thorium and uranium.
地质年代通常是通过矿物中发现的各种放射性元素的衰变率来获得的。
Geological dates are usually obtained by using the rates of decay of various radioactive elements found in minerals.
地质年代通常是通过矿物中发现的各种放射性元素的衰变率来获得的。
Geological dates are usually obtained by using the rates of decay of various radioactive elements found in minerals.
因此，如果它曾经在地球上存在过，那么它在很久以前就应该衰变了。
Therefore, if that ever had been present on Earth, it would have decayed ages ago.
这些矿物可以用放射性衰变技术测定年代，因为它们所含的放射性微量元素非常少。
These minerals can be dated by radioactive decay techniques because of the very small quantities of radioactive trace elements they, in turn, contain.
然后，它与它的伙伴们将会几乎在瞬间衰变为大批寿命更短的微粒子，其中有一些能被检测出来。
Both it and its companions would then decay almost instantly into a plethora of less fleeting bits, some of which could be detected.
这么大的原子核不可能是稳定的，但在足够长的时间内，在真空附近组装一个原子核以观察真空的衰变是可能的。
A nucleus that large cannot be stable, but it might be possible to assemble one next to a vacuum for long enough to observe the decay of the vacuum.
然而，大约在同一时间，科学家们意识到彗星可能含有衰变的放射性同位素，这些同位素可能使彗星内部的温度升高到导致内部进化的温度。
About the same time, though, scientists realized comets might contain decaying radioactive isotopes that could have warmed cometary interiors to temperatures that caused the interiors to evolve.
无意义介导的衰变检查是否存在过早的无意义密码子。
Nonsense-mediated decay checks for the presence of premature nonsense codons.
法扬斯和索迪的放射性位移定律被用来描述α和β衰变的产物。
The radioactive displacement law of Fajans and Soddy was formulated to describe the products of alpha and beta decay.
最新实验研究结果在高灵敏度水平上展现了粲夸克偶素物理中的强衰变之谜。
Recent experimental results defined nature of the hadronic decay puzzle in charmonium physics.
似乎衰变模型并不适合这种情况。
It seems the decay model isn't really appropriate in this case.
冬季的衰变速率比夏季的稍稍快了一些。
The decay rate was ever so slightly faster in winter than in summer.
当它衰变时，它以稳定的氦气形式存在。
薛定谔的原子一定会衰变。
放射性碘的半衰期为八天，几周内自然衰变。
Radioactive iodine has a half-life of eight days and decays naturally within weeks.
可以像考虑衰变问题那样为上述流量建模吗？
阿尔法粒子是氦核，它们是放射性衰变的产物。
Alpha particles are these helium nuclei, and they are the result of radioactive decay.
衰变热真的很重要。
随着时间推移，碳14将衰变为常规的碳12。
氡来自镭的衰变。
这项实验的关键因素在于放射性衰变是一个量子过程。
The point of the experiment is that radioactive decay is a quantum process.
反中子逃离大气，然后在高得多的区域衰变为反质子。
The antineutrons escape the atmosphere and then decay into antiprotons at much higher altitudes.
不过不止这种方式，粒子还有另外其它三种衰变方式。
Not only that, but there are three ways that particles can decay.
假定我们有某种放射性原子，它们以一定的几率衰变。
Suppose we've got some sort of radioactive atom, which has a certain chance of decaying.
这个新发现“是衰变中的普通夸克”，Punzi说。
The new discovery "is decaying in normal quarks," Punzi said.
这个新发现“在衰变中变成普通夸克"，Punzi说。
The new discovery "is decaying in normal quarks, " Punzi said.
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