Substance content rate (subst.cont.rate)

Synonym

Absolute pressure, total pressure (of gas mixture), volumic hydraulic energy, areic force

Abbreviation

Subst.cont.rate

Definition in words

Change of substance content of component B divided by time elapsed

Definition by equation

Systematic terms

Substance content rate of component B in system 1
Ratio scale
  • Value sets are positive numerical values
  • Algebraic operations are allowed (a=nb; a≠nb)
Numerical values from 0-∞

Unit

µmol/(kg s), mmol/(kg s) etc.

Reference

  • 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

Examples

Molecular Biology and Genetics

Example 1
Generic abbreviated
NPU17787 Amf cell prot.—Copper uptake; subst.cont.rate(proc.) = ? µmol/(kg s)
Full result NPU17787 Amnion fluid cell protein—Copper uptake; substance content.rate(procedure) = 4 µmol/(kg s)
Abbreviated result NPU17787 Amf cell prot.—Copper uptake; subst.cont.rate(proc.) = 4 µmol/(kg s)
Written expression The substance content rate of Copper uptake of Mrs. Smith’s amnion cell fluid protein is [4] µmol/(kg s). The measurement is performed according to procedure defined by the laboratory.
Equation


Example 2
Generic abbreviated
NPU17788 Fibrobl. prot.—Copper uptake; subst.cont.rate(proc.) = ? µmol/(kg s)
Full result NPU17788 Fibrobl. prot.—Copper uptake; subst.cont.rate(proc.) = 1 µmol/(kg s)
Abbreviated result NPU17788 Fibrobl. prot.—Copper uptake; subst.cont.rate(proc.) = 1 µmol/(kg s)
Written expression The substance content rate of Copper uptake of Mrs. Smith’s fibroblast protein is [1] µmol/(kg s). The measurement is performed according to procedure defined by the laboratory.
Equation

Reference

NPU database, https://www.ifcc.org/ifcc-scientific-division/sd-committees/c-npu/npusearch/ and http://www.labterm.dk/default.aspx
  • Kind-of-property

    • Nominal kind-of-property

    • Kind-of-quantity

      • Unitary kind-of-quantity

        • Rational unitary kind-of-quantity

          • Substance content rate

Reference

  • 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.
Date Term Note
1996-01-01 Substance content rate Term established