Assertion: reference condition | /r/HasProperty | necessary
Facets:
value: often
type: DEGREE
value: to define the standard reference conditions
type: PURPOSE
value: in industry
type: OTHER
value: in commerce
type: OTHER
Source sentences:
text: In industry and commerce, standard conditions for temperature and pressure are often necessary to define the standard reference conditions to express the volumes of gases and liquids and related quantities such as the rate of volumetric flow (the volumes of gases vary significantly with temperature and pressure): standard cubic meters per second (sm3/s), and normal cubic meters per second (nm3/s).