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Whereby "uranium enriched in the isotope 235 or 233" means uranium
containing the isotope 235 or 233 or both in an amount such that the abundance
ratio of the sum of these isotopes to the isotope 238 is greater than the ratio of the
isotope 235 to the isotope 238 occurring in nature.
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...
Whereby "uranium enriched in the isotope 235 or 233" means uranium
containing the isotope 235 or 233 or both in an amount such that the abundance
ratio of the sum of these isotopes to the isotope 238 is greater than the ratio of the
isotope 235 to the isotope 238 occurring in nature.
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