| 释义 |
strontium unit
strontium unit n (General Physics) a unit expressing the concentration of strontium-90 in an organic medium, such as soil, milk, bone, etc, relative to the concentration of calcium in the same medium. Abbreviation: SU strontium unit
strontium unit[′strän·tē·əm ‚yü·nət] (nucleonics) A unit of concentration of strontium-90 in a medium relative to the concentration of calcium, equal to 10-12 curie of strontium per gram of calcium. Abbreviated SU. Also known as sunshine unit (deprecated usage). FinancialSeeSU |