ONTOLOGY EXPLORER
coherent derived unit
<https://www.omg.org/spec/Commons/QuantitiesAndUnits/CoherentDerivedUnit>
プロパティと値
| プロパティ | 値 |
|---|---|
| source | "ISO 11240 Health informatics - Identification of medicinal products - Data elements and structures for the unique identification and exchange of units of measurement, clause 3.1.4" |
| source | "ISO 80000-1:2009 Quantities and units - Part 1: General, clause 3.12" |
| type | Class |
| label | "coherent derived unit" |
| subClassOf | DerivedUnit |
| definition | "derived unit that, for a given system of quantities and for a chosen set of base units, is a product of powers of base units with no other proportionality factor than one" |
| example | "If the meter, the second, and the mole are base units, the mole per cubic meter is the coherent derived unit of amount-of-substance concentration when amount-of-substance concentration is defined by the quantity equation c = n/V. The kilometer per hour and the knot, given as examples of derived units, are not coherent derived units in such a system of quantities." |
| note | "A power of a base unit is the base unit raised to an exponent. Coherence can be determined only with respect to a particular system of quantities and a given set of base units." |
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