ratio

IRI: https://spec.industrialontologies.org/ontology/construct/Ratio

Defined In: https://spec.industrialontologies.org/ontology/biopharma/BiopharmaReferenceOntologyAttributes/

SubClass Of: bfo:relational quality

Class Hierarchy

owl:Thing › bfo:entity › bfo:continuant › bfo:specifically dependent continuant › bfo:quality › bfo:relational quality › ratio

Direct subclasses:

• culture split ratio
• fraction
• moisture content
• relative abundance
• saturation ratio

Definition

relational quality that is determined by the magnitude of one quality relative to the magnitude of another quality of the same kind

Examples

• the mass fraction of glucose in a dry powder medium; the volume fraction of gas in a foam; the porosity of a chromatography resin bed; the viable cell fraction of a cell suspension;

Adapted From

• http://purl.allotrope.org/ontologies/quality#AFQ_0000005

Primitive Class

This class is declared primitive and it does not have necessary and sufficient condiftions defined.

Primitive Rationale

There are insufficient constructs for creating a set of necessary and sufficient conditions

Formal Axioms

First-Order Logic Axioms

Ratio(x) → RelationalQuality(x)

Semi-Formal Natural Language Axioms

if x is a ‘ratio’ then x is a ‘relational quality’

Description Logic

constr:Ratio ⊑ bfo:relational_quality

SubClassOf: bfo:relational_quality