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Entity > Abstract > Quantity > PhysicalQuantity > ConstantQuantity > ThermodynamicTemperatureMeasure
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ThermodynamicTemperatureMeasure comparison table
Subject is an instance of documentation be second domain of have axiom
CelsiusThermodynamicTemperatureMeasureA ThermodynamicTemperatureMeasure. Kelvin differs from the Celsius scale in that the triple point of water is defined to be 273.16 degrees Kelvin while it is 0 degrees Celsius. The boiling point of water is 100 degrees Celsius. The magnitudes of intervals in the two scales are the same. By definition the conversion constant is 273.1measure
(equal
(MeasureFn ?NUMBER Celsius)
(MeasureFn (SubtractionFn ?NUMBER 273.15) Kelvin))
KelvinThermodynamicTemperatureMeasureSI ThermodynamicTemperatureMeasure. Symbol: K. It is one of the base units in SI (it is also a unit in the ITS system). It is defined as follows: the Kelvin is the fraction 1/273.16 of the thermodynamic temperature of the triple point of watermeasure
(equal
(MeasureFn ?NUMBER Rankine)
(MeasureFn (MultiplicationFn ?NUMBER 1.8) Kelvin))
RankineUnitOfMeasureA ThermodynamicTemperatureMeasure. Note that 0 degrees Rankine is the same as the absolute zero (i.e. 0 degrees Kelvin)MeasureFn
(equal
(MeasureFn ?NUMBER Rankine)
(MeasureFn (MultiplicationFn ?NUMBER 1.8) Kelvin))

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