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Meaning of secular equilibrium | Babel Free

Noun CEFR B2

Definitions

The situation of the quantity of a radioisotope remaining constant because it is produced (by decay of a parent isotope) at the same rate that it decays.

Equivalents

Examples

“In decay schemes of this type, the following three conditions may predominate: (1) secular equilibrium, (2) transient equilibrium, and (3) the state of no equilibrium.”
“The ^{₆₈}Ge/^{₆₈}Ga and the ^{₈₂}Sr/^{₈₂}Rb generators represent secular equilibria.”
“At the same time, because of differences in the chemistry of the daughter and parent elements involved in such secular equilibria, this parent:daughter ratio may not be equal to 1.”

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
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See also

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