Uranium is soluble in sea water.

铀可在海水中溶解。

Uranium is used to fuel nuclear plants.

铀用作核电厂的燃料。

Enriched uranium is a key component of a nuclear weapon.

浓缩铀是核武器的一个关键组成部分。

Like I said before, Uranium-Lead Dating has been with us for a while.

就像我之前说到的，铀铅年代测定法已经存在一段时间了。

The US should set a deadline for the suspension of uranium enrichment.

美国应该为暂停铀浓缩设定一个最后期限。

It's just that once was generated from split Uranium, it decayed very quickly.

它一旦从分裂的铀中产生，就会很快衰变。

It can be naturally generated from Uranium atoms that have spontaneously split.

它可以由自发分裂的铀原子自然生成。

Now, as you recall from the uranium 238 slide, I think the next slide will show it.

现在，正如你们从铀 238 幻灯片中想起的，我想下一张幻灯片会展示它。

If you are talking about radiation, like in the element Uranium, yeah, that's dangerous.

如果你在谈论辐射，比如铀元素中的辐射，是的，那是危险的。

From an airplane over a hilly wasteland a scientist sent back by radio one word, "Uranium".

一位科学家从一架小山丘陵地上的飞机上，通过无线电发送了一个单词，“铀”。

Helium is the by product of millennia of radioactive decay from the elements thorium and uranium.

氦是钍和铀元素数千年放射性衰变的副产品。

Her theory about uranium would have explained the presence of element 43 in her team's ore sample.

她关于铀的理论可以解释她的团队的矿石样本中43号元素的存在。

The ore sample the Masurium group was working with had plenty of Uranium in it enough to split into measurable amounts of Masurium.

研究钨的小组正在研究的矿石样品中含有大量的铀，足以分裂成含量可测量的钨。

Because of this, this new way of doing Uranium-Lead Dating, we've been able to determine that one of our major assumptions about the Grand Canyon was wrong.

因为有这种新的铀铅定年方法，我们才得以确定我们对大峡谷的一个主要假设是错误的。

There are a few pretty exciting possibilities for Uranium-Lead Dating.

铀-铅年代测定法有一些相当令人兴奋的可能性。

I'll predict that Uranium-Lead Dating is going to become an increasingly popular dating method.

我预测铀-铅年代测定法将会成为一种越来越流行的年代测定方法。

In this case, Uranium-Lead Dating was used to establish that half of the sandstone in the samples was formed at the same time the granite in the Appalachian Mountains was formed.

在这种情况下，铀铅定年法被用来确定样本中一半的砂岩是在阿巴拉契亚山脉花岗岩形成的同时形成的。

The study calculates that the plant has facilitated about six tonnes of weapon-grade or 90% enriched uranium.

该研究算出，这一工厂已经生产了大约6吨军用的或90%浓度的浓缩铀。

Uranium is a big factor too.

铀也是一个很大的因素。

That red is uranium oxide.

那红的是二氧化铀。

Weapons-grade uranium is 95% 235U.

可以用来制造武器的铀有95%是235U。

This cup has no uranium oxide.

这个杯子没含二氧化铀。

It has uranium oxide in it.

它含有二氧化铀。

Uranium oxide. Okay.

二氧化铀，好了。

Meanwhile, Iran continues to enrich uranium.

与此同时，伊朗还在进行铀浓缩活动。

Elements beyond uranium, these are synthetic.

铀元素之后的元素，是人工合成的。

Uranium mining can also damage the environment.

铀矿也会毁坏环境。

Niger is the worlds largest exporter of uranium.

尼日尔是世界上最大的铀输出国。

Uranium oxideremains are visible as the yellowish rock.

铀氧化的痕迹在浅黄色的岩石中清晰可见。