U-235
AmericanExample Sentences
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The fuel has a higher concentration of the fissile isotope U-235 than what’s used in traditional reactors, allowing smaller reactor designs to run more efficiently.
From Barron's ● Jun. 18, 2026
Depleted uranium is mainly U-238, with small amounts of other isotopes, including U-235.
From Salon ● Jun. 17, 2023
"This unprecedented enrichment at up to 83.7% U-235 is an extremely grave escalation," they said, adding that it "brings Iran dangerously close to actual weapons-related activities".
From Reuters ● Mar. 8, 2023
This is achieved by using centrifuges - machines which spin at supersonic speeds - to separate out the most suitable isotope for nuclear fission, called U-235.
From BBC ● Mar. 1, 2023
What made this such a serious crisis was that Oak Ridge might be able to produce enough U-235 for one atomic bomb by the middle of 1945.
From "Bomb" by Steve Sheinkin
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