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。

youdao

So would the coal and uranium.

煤和铀对我们来说也够了。

youdao

You can't do that on coal and uranium.

靠煤和铀你就做不到。

youdao

They also urged Iran to honor the United Nations demands to stop enriching uranium and open its nuclear program to international inspectors.

VOA: special.2009.02.07

Iran has not given a clear response to a U.N.proposal to send uranium to Russia and France for enrichment.

VOA: standard.2009.11.16

Tehran has not,as yet, agreed to the terms of a UN-draft deal to trade for highly enriched uranium from France and Russia.

VOA: standard.2009.12.18

This vast Central Asian nation of 15.3 million also has coal, gold and uranium.

FORBES: Power Putsch

Phosphate is mined in several parts of China, and removing impurities like cadmium and uranium is expensive.

WSJ: Review & Outlook: China's Toxic Rice Bowl

Hoping to recover from the stock market crash, Inwentash turned Pinetree's attention in 2003 to gold and uranium.

FORBES: On The Cover/Top Stories