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词汇 rubidium–strontium
释义

Definition of rubidium–strontium in English:

rubidium–strontium

noun
  • (attributive) designating a method of isotopic dating based on the measurement of the relative amounts in rock of rubidium-87 and its stable beta-decay product, strontium-87; of or relating to this dating method.

Origin

1940s; earliest use found in Bulletin of the Geological Society of America.

Definition of rubidium–strontium in US English:

rubidium–strontium

noun
  • (attributive) designating a method of isotopic dating based on the measurement of the relative amounts in rock of rubidium-87 and its stable beta-decay product, strontium-87; of or relating to this dating method.

Origin

1940s; earliest use found in Bulletin of the Geological Society of America.

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