Tehran maintains that traces of the new enriched material were imported on equipment purchased from abroad.
2.
It was an evolved star around 8, 000K showing extreme mass loss of helium and nitrogen enriched material.
3.
You take two subcritical loads of highly enriched material, separate them in basically a cannon, fire them together.
4.
Al-Qaida also wanted a person who could train their people, and who could get them enriched material for their weapons.
5.
It is a mild barium star, thought to be formed by mass transfer of enriched material from an asymptotic giant branch star onto a less evolved companion.
6.
Iran will be allowed to allocate the current stockpile of enriched materials for the purpose of producing nuclear fuel or swapping it with uranium in the international markets.
7.
As those stars died, they returned metal-enriched material to the interstellar medium via planetary nebulae and supernovae, enriching further the nebulae out of which the newer stars formed.
8.
Iran maintains that traces of the new enriched material were imported on equipment purchased from abroad, but America and its allies say it is further of evidence of an Iranian nuclear weapons program.
9.
U . S . officials want to trade the highly enriched material, which is suitable for being used in weapons, for a low-enriched uranium that can still be used in research but doesn't pose a proliferation concern.
10.
Part of the deal involved an agreement by the U . S . Enrichment Corp ., a U . S . government enterprise, to advance the Russian Atomic Energy Agency $ 100 million against future deliveries of the enriched material.
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