Definition in words
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Number of component B divided by area of system 1 |
Definition by equation
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Systematic terms
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Areic number of component B in system 1 |
Result type
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Rational scale |
- Value sets are positive numerical values
- Algebraic operations are allowed (a=nb; a≠nb)
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Numerical values from 0-∞ |
Unit
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1/mm2, 103/cm2, 1012/m2, etc.
Unit, one (1) is omitted in the NPU syntax
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Reference
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Ferard G, Dybkaer R, Fuentes-Arderiu X. Compendium of Terminology and Nomenclature of Properties in Clinical Laboratory Sciences : Recommendations 2016. 1 ed: Royal Society of Chemistry; 2016. 182 p. doi:10.1039/9781782622451. |
Laboratory field
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Example
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Clinical Chemistry
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Generic abbreviated
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NPU27123 Skin—Petechiae(pressure induced); areic number(proc.) = ? cm-2 |
Full result |
NPU27123 Skin—Petechiae(pressure induced); areic number(procedure) = 3 cm-2 |
Abbreviated result |
NPU27123 Skin—Petechiae(pressure induced); areic number(proc.) = 3 cm-2 |
Written expression |
The areic number of pressure induced Petechiae of Mr. Smith’s skin is [3] cm-2. The measurement is performed according to a procedure defined by the laboratory. |
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
Reference
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- Dybkaer R. Concept system on ‘quantity’: formation and terminology. Accredit Qual Assur. 2013;18(3):253-60.
- Dybkaer R. ISO terminological analysis of the VIM3 concepts ‘quantity’ and ‘kind-of-quantity’. Metrologia. 2010;47(3):127-34.
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Date |
Term |
Note |
1996-01-01 |
Areic mass |
Term established |