Even bananas contain trace amounts of a radioactive potassium isotope.

即使是香蕉都含有微量钾的放射性同位素。

A radioactive isotope discovered by Marie Curie in .

后来曾被用来暗杀亚力山大•利特维年科。

A radioactive isotope called tritium will remain in the waste water.

氚这种放射性同位素无法被清除。

They were injecting rats with radioactive isotopes and one of the techs got bit.

他们给老鼠注射了放射性同位素 但其中的一名技术员被咬了。

Using radioactive isotopes, scientists discovered that trees share water and nutrients with others in need.

科学家利用放射性同位素，发现树木会分享水和营养给其他有需要的树。

On my 12th birthday, I really wanted a titanium centrifuge so, you know, I could separate radioactive isotopes. Of course.

我12岁生日时非常想得到一个钛金属离心机，我就能分离放射性同位素了。当然。

The age of a band can be determined by analysis of the radioactive isotopes within it, particularly those of uranium and its decay products.

条带的年龄可以通过分析其中的放射性同位素来确定，尤其是铀及其衰变产物。

And sure, I could choose to think about the fact that I'm warm...Because I have a decaying radioactive isotope riding right behind me.

当然了，我也可以想到，我之所以不冷了是因为我正在受到后面放射性同位素热电机的辐射。

These are radioactive isotopes, atoms with an unusually high amount of nuclear energy.

这些是放射性同位素，具有异常高的核能的原子。

That's why radioactive isotopes spontaneously decay and eject subatomic particles and radiation in the process.

这就是放射性同位素自发衰变并在此过程中喷射出亚原子粒子和辐射的原因。

This impact turns oxygen-18 into fluorine-18, a radioactive isotope that can be detected on a PET scan.

这种影响将氧 18 转化为氟 18，这是一种可以在 PET 扫描中检测到的放射性同位素。

The radioactive isotopes they produced disperse in the atmosphere and can be detected thousands of kilometers away.

它们产生的放射性同位素分散在大气中，可以在数千公里外被检测到。

Also, I should note that some radioactive isotopes like carbon-14 in the atmosphere are constantly being renewed by cosmic rays.

另外，我应该注意到大气中的一些放射性同位素， 如碳 14，不断被宇宙射线更新。

They're Radioactive (a tiny bit): Bananas contain a small amount of potassium-40, a naturally occurring, mildly radioactive isotope of potassium.

7. 它们具有放射性（一点点）：香蕉含有少量的钾 40，这是一种天然存在的轻度放射性钾同位素。

In 2011, just before an earthquake struck the east coast of Japan, nearby researchers recorded surprisingly high concentrations of the radioactive isotope pair: radon and thoron.

2011年，就在地震袭击日本东海岸之际，附近的研究人员侦测到了高浓度的放射性同位素组：氡和钍，对此他们十分震惊。

It's uncertain exactly how the discharge of water would impact marine life, but there are concerns about other radioactive isotopes of ruthenium, cobalt, and strontium accumulating in fish.

目前还不确定放水会对海洋生物产生怎样的影响，但人们担心钌、钴和锶等其他放射性同位素会在鱼类体内积累。

These may include bananas, which can contain a radioactive isotope called potassium-40, and brazil nuts, which can have radium levels over 1000 times what you might see in other foods.

其中可能包括香蕉（含有一种名为钾 40 的放射性同位素）和巴西坚果（其镭含量是其他食物中的 1000 倍以上）。