A dimensioned quantity expressing the result of a measurement act.
A dimensioned quantity expressing the result of measuring.
If a value is an exceptional value (NULL-value), this specifies in what way and why proper information is missing.
The unit of measure specified in the Unified Code for Units of Measure (UCUM) [].
The magnitude of the quantity measured in terms of the unit.
An alternative representation of the same physical quantity expressed in a different unit, of a different unit code system and possibly with a different value.