Even bananas contain trace amounts of a radioactive potassium isotope.
即使是香蕉都含有微量钾放射性同位。
Did you secure the isotope from L-Corp?
你安置好L公司同位了吗?
For one thing, there's more than one isotope — or form — of strontium.
一方面,锶同位或形式不止一种。
Using radioactive isotopes, scientists discovered that trees share water and nutrients with others in need.
科学家用放射性同位,发现树木会分享水和营养给其他有需要树。
A radioactive isotope discovered by Marie Curie in .
后来曾被用来暗杀亚力•特维年科。
So the researchers also measured the proportions of different carbon and nitrogen isotopes in whiskers from coyotes.
因此,研究员还测量了郊狼胡须中不同碳同位和氮同位例。
I injected the stable isotope carbon-13 carbon dioxide gas.
我往他们袋子中注射了 含有稳定性同位碳13二氧化碳。
A radioactive isotope called tritium will remain in the waste water.
氚这种放射性同位无法被清除。
The researchers base their argument on the ratios of light to heavy nitrogen isotopes in ancient rocks from Australia.
研究员是根据澳亚古老岩石中重氮同位光率所得出结论。
They examined fluids seeping out of fractures in a mine and found particular isotopes of the noble gas xenon.
他们查看从矿井裂缝中渗出液体,从中发现了惰性气体氙特殊同位。
The answer lies in a slightly obscure but ingenious field known as isotope geochemistry.
答案在于同位地球化学,这是个不知名而又十分奇妙领域。
Nitrogen fertilisers have altered the balance of chemical isotopes in peat bogs.
氮肥改变了泥炭沼泽中化学同位平衡。
A level of the hydrogen isotope called radioactive tritium will remain in the water.
一种被称为放射性氚氢同位会留在水中。
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 但其中一名技术员被咬了。
It's possible some of the more exotic isotopes of oxygen came from the other planet.
有可能这些稀有同位部分来自另一个星球。
The researchers demonstrated the corn plants' talent by exposing them to labeled isotopes of nitrogen.
研究员让玉米接触带标记氮同位,以此来证明其才能。
Johnson's team analyzed trace elements and carbon and oxygen isotopes in the hardened cave drippings.
约翰逊团队分析了硬化洞穴水滴中微量元和碳氧同位。
The process involved studying the behaviors of different kinds of isotopes found in potassium and rubidium.
这个过程涉及研究在钾和铷中发现不同同位性能。
Some rocks from the Moon show a peculiar ratio of different kinds of oxygen atoms, called isotopes.
一些来自月球岩石含有特殊例氧原子同位。
We use the isotopes of nitrogen to tell ancient temperature at the time the snow was falling.
我们用氮同位来判断古代降雪时温度。
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