uranium enrichment

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uranium enrichment

[yə′rā·nē·əm in′rich·mənt]
(nucleonics)
A process carried out on uranium, in which the ratio of the abundance of the isotope uranium-235 to that of the isotope uranium-238 is increased above that found in natural uranium.
References in periodicals archive ?
After US Secretary of State John Kerry issued a statement Monday saying all but 300 kilos of Iran's enriched uranium had left the country, the Russian Foreign Ministry and Ali-Akbar Salehi, head of the Atomic Energy Organization of Iran, confirmed that.
The Iranian authorities have made a decision to sell surplus amounts of enriched uranium abroad in exchange for natural uranium.
According to the IAEA, Iran's facilities have produced 189 kilograms of enriched uranium as of August.
We have no problem sending our enriched uranium abroad," Ahmadinejad told state television.
Instead, Tehran came up with a counterproposal - to have the West either sell nuclear fuel to Iran, or swap its nuclear fuel for Iran's enriched uranium in smaller batches instead of at once as the UN plan requires.
He gave no details but a source said the draft foresees the export most of Iran's stockpile of enriched uranium.
He also said it was not "economically feasible" for Iran to purify further low enriched uranium (LEU) itself to yield the 150-300 kg of material that it needs for the reactor, but it would do so if the Vienna talks "do not bring about Iran's desired result.
We know that it takes about 50 kilograms (110 pounds) of 90 percent enriched uranium to build a gun-type weapon equivalent to the Hiroshima bomb.
Officials said the plan would allow Iran to convert raw uranium into the gas that is spun by centrifuges into enriched uranium.
Stored in an obsolete nuclear reactor outside Tbilisi, the Georgian capital, the highly enriched uranium and spent reactor fuel would give an aspiring nuclear power a significant amount of the material needed to make a nuclear bomb.
Even worse, the production of the stuff that bombs are made of -- highly enriched uranium and plutonium -- continues unabated.
In his trunk is a metal canister, and in the canister are six pounds of highly enriched uranium, which is enough, in the hands of the right terrorists, to build a primitive nuclear weapon.