Radioactivity (radioact.)
Abbreviation |
Radioact. | ||
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Definition in words |
Number of nuclear decays occurring in a given quantity of material in a small time interval, divided by the duration of that time interval (ref 3) The property of certain nuclides showing radioactive decay (ref 1) |
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Definition by equation |
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Systematic terms |
Radioactivity of component B in system 1 | ||
Result type |
Rational scale |
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Numerical values from 0-∞ |
Unit |
Bq, kBq | ||
Non-recommended term
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Hydrostatic volumic energy, hydraulic pressure, hydrostatic pressure | ||
Reference |
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Laboratory field |
Example |
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Clinical Chemistry |
Generic abbreviated |
NPU13810 Pt—58Co-Cobalamin(administered); radioact.(p.o.) = ? kBq |
Full result | NPU13810 Patient—58Co-Cobalamin(administered); radioactivity(oral administration) = 25 kilobecquerel | |
Abbreviated result | NPU13810 Pt—58Co-Cobalamin(administered); radioact.(p.o.) = 25 kBq | |
Written expression | The radioactivity of oral 58Co-Cobalamin administered to Mr. Smith [25] kBq. | |
Equation
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Reference |
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Kind-of-property
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Nominal kind-of-property
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Kind-of-quantity
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Unitary kind-of-quantity
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Rational unitary kind-of-quantity
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Radioactivity
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Reference |
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Date | Term | Note |
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1996-01-01 | Radioactivity | Term established |
NPU term identifier |
QU50136 |