Even bananas contain trace amounts of a radioactive potassium isotope.

即使香蕉都含有微量钾的射性同位素。

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

氚射性同位素无法被清除。

Bad news, it involves me digging up the radioisotope thermoelectric generator.

坏消息就我得把射性同位素热电机挖出来。

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

他们给老鼠注射了射性同位素 但其中的一名技术员被咬了。

Over the years, scientists have analysed these meteorites and determined their age through radioactive dating.

近年来，科学家们分析了些来物通过射性同位素衰减测其年龄。

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

科学家利用射性同位素，发现树木会分享水和营养给其他有需要的树。

The other option is radioisotope decay, which uses a substance such as polonium-218 to heat and evaporate a liquid.

另一个选择射性同位素衰变，即利用一物质，如polonium-218，加热并蒸发液体。

One fossil is a reasonably complete, though fragmented, skull. Radioisotope dating shows it is 170,000 years old.

有一块化当完整的头骨，虽然有裂痕。射性同位素年份测定显示它有17万年的历史。

Another application is things like radio isotopes for medicine.

另一个应用用于医学的射性同位素。

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

些射性同位素，具有异常高的核能的原子。

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，我就能分离射性同位素了。当然。

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

就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。

Deuterium Deuterium is a heavy but non-radioactive isotope of hydrogen.

氘 氘一重但非射性的氢同位素。

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

影响将氧 18 转化为氟 18，一可以在 PET 扫描中检测到的射性同位素。

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

另，我应该注意到大气中的一些射性同位素， 如碳 14，不断被宇宙射线更新。

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射性同位素来确定，尤其铀及其衰变产物。

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，我之所以不冷了因为我正在受到后面射性同位素热电机的辐射。

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

7. 它们具有射性（一点点）：香蕉含有少量的钾 40，一天然存在的轻度射性钾同位素。

I get it. RTGs are good for spacecraft, but if they rupture around humans...no more humans. Which is why we buried it when we arrived.

射性同位素热电机对航天器好东西，但要泄漏了，附近的人类就连渣都不剩。所以一着陆我们就把它埋了起来。

The main heat sources were the electrical heat from spacecraft components and waste heat from their nuclear power sources – the Radioisotope Thermoelectric Generators.

主要的热源来自航天器部件的电热和来自核动力源——射性同位素热电发电机的废热。