enrich

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enrich

The process of making a fuel-air mixture richer by increasing the ratio of fuel in the mixture.
References in periodicals archive ?
Friday's quarterly report to member states obtained by Reuters said Iran has accumulated 241.6 kg of enriched uranium and is enriching at around the same level as before, up to 4.5%.
The final section of "Enriching Our Vision of Reality" features six "parallel conversations" between science and theology, which lay the groundwork for the kind of enriched vision of reality.
The IAEA report says none of those IR-2m centrifuges are currently spinning and enriching.
Iran began enriching uranium to 20 percent in February 2010, after a proposed deal that would have seen Tehran swap its low-enriched uranium of 3.5 percent for nuclear fuel produced by Russia and France was scuppered, deemed insufficient by the United States and allies.
Iran has been producing low-enriched uranium for some time and announced in February that it had started enriching uranium to a higher, 20 percent, level to make fuel for a medical research reactor.
We do not believe they have the capability to enrich to the degree to which they now say they are enriching."
Iranian President Mahmoud Ahmadi-Nejad orders his country's atomic agency to begin enriching uranium to a higher level, a move that's likely to deepen international suspicion over the country's intentions for its nuclear program.
Summary: Iran on Tuesday started enriching uranium to a level of 20 percent at its Natanz enrichment facility under the surveillance of inspectors from the UN nuclear watchdog.
Iran had previously enriched uranium to just 3.5 percent but has started enriching it to the higher level required for a Tehran medical research reactor after snubbing a U.N.-drafted plan for the nuclear fuel to be supplied by France and Russia.
Iran says it is enriching to provide fuel for a future network of nuclear reactors.