vessel headspace

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

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

SubClass Of: bfo:site

Class Hierarchy

owl:Thing › bfo:entity › bfo:continuant › bfo:independent continuant › bfo:immaterial entity › bfo:site › vessel headspace

Definition

site within the interior of a vessel that is not occupied by the contained bulk material and is bounded by the vessel walls and, when contents are present, by a surface of those contents

Examples

• The gas-filled space above the liquid culture in a stirred-tank bioreactor; The air space above buffer solution in a storage bottle; The nitrogen-blanketed space above a liquid medium in a mixing vessel; The gas space above a cell culture medium in a shake flask

Primitive Class

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

Primitive Rationale

There are insufficient constructs to create a set of necessary and sufficient conditions.

Formal Axioms

First-Order Logic Axioms

VesselHeadspace(x) → Site(x)

Semi-Formal Natural Language Axioms

if x is a ‘vessel headspace’ then x is a ‘site’

Description Logic

constr:VesselHeadspace ⊑ bfo:site

SubClassOf: bfo:site