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。
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。
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。
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。
铀也是一个很大的因素。
即各种铀氧化物的混合物。
那红的是二氧化铀。
它含有二氧化铀。
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。
Unearthing more uranium is expensive and time-consuming.
发掘更多的铀矿成本昂贵而且耗费时间。
The solution is then treated to precipitate uranium oxide.
得到的溶液之后通过处理来析出铀氧化物。
Business opportunities have a half-life, just like uranium.
商业机会有半衰期,就像铀一样。
China's energy policies will also boost demand for uranium.
中国能源政策也会大幅提高铀的需求。
India wants uranium from Malawi and Niger for nuclear power.
印度希望从马拉维和尼日尔获得到核能原料铀。
A secret Iranian uranium-processing facility was discovered.
伊朗一处秘密的铀浓缩设施被发现。
A secret Iranian uranium-processing facility was discovered.
伊朗一处秘密的铀浓缩设施被发现。
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