SXR Uranium One 号公司
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”。
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。
When one of these neutrons hits another uranium atom, that atom can split, generating more neutrons and so on.
当这些中子击中另外的铀原子时,原子又产生裂变,产生新的中子,依次类推。
In Washington, a military intelligence official told a Senate committee that Iran could be one year away from producing enough highly-enriched uranium for a nuclear weapon.
VOA: special.2010.04.17
Lieutenant General Ronald Burgess response this question from Levin, "With the installed centrifuges that they have, how long would it take,approximately, to produce enough highly-enriched uranium for one nuclear weapon?"
VOA: standard.2010.04.14
Berman says the legislation would be only one point of pressure on Iran to roll back its uranium-enrichment program, which the United States believes is aimed at producing a nuclear weapon.
VOA: standard.2009.10.28
应用推荐