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。

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

近年来，科学家们分析些外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。

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

他们给老鼠注射射性同位素 但其中的一名技术员被咬。

Tepco said for years that its purification system would reduce 62 radionuclides to safe or non-detectable levels and that only traces of tritium, a radioactive form of hydrogen, and two other isotopes would remain.

多年来，Tepco称其净化系统将把62射性核素降低到安全或不可检测的水平，只会残留微量的氚（一射性氢同位素）和其他两同位素。

The research team used radiocarbon dating and other techniques to precisely pin down the layers in which camel bones are found at a number of sites.

研究团队采用射性碳同位素标记法及其它技术来对于骆驼骨架遗骸的地点进行精确地层定位。

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，我也可以想到，我之所以不因为我正在受到后面射性同位素热电机的辐射。

In 2021, Professor James Larkin founded the Rhizotope Project, aimed at reducing rhino poaching by incorporating radioisotopes into rhino horns.

2021年，詹姆斯·拉金教授创立“射性喇叭项目”，旨在通过往犀牛角中注入射性同位素来减少犀牛偷猎行为。

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。当然。

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

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

It also needed to be safe for the rhinos.

同时，此射性同位素还不能伤害犀牛本身。

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。

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，附近的人类就连渣都不剩。所以一着陆我们就把它埋起来。

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。

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

就为什么射性同位素会自发衰变并在过程中释亚原子粒子和辐射。

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

些射性同位素，即拥有异常高核能的原子。

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

氘 氘一重但非射性的氢同位素。

It was by three RTGs, or radioisotope thermoelectric  generators.

它由三个 RTG（射性同位素热电发电机）组成。

Most haunting are her accounts of how radioactive isotopes progressed through the food supply loath to sacrifice production targets Soviet planners ordered slaughterhouses to mix radioactive and clean meat to make sausages.

最令人不安的她对射性同位素如何通过食物供应链传播的描述。为不牺牲生产目标，苏联计划者命令屠宰场将射性肉和干净的肉混合起来制作香肠。