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KB:
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| (instance KelvinDegree UnitOfTemperature) | Merge.kif 6851-6851 | Kelvin degree is an instance of unit of temperature |
| (instance KelvinDegree SystemeInternationalUnit) | Merge.kif 6852-6852 | Kelvin degree is an instance of systeme international unit |
| (documentation KelvinDegree EnglishLanguage "SI UnitOfMeasure used with MeasureFn to produce terms denoting instances of TemperatureMeasure. Symbol: K. It is one of the base units in SI (it is also a unit in the ITS system). Kelvin differs from the Celsius scale in that the triple point of water is defined to be 273.16 KelvinDegrees while it is 0 CelsiusDegrees. The magnitudes of intervals in the two scales are the same. By definition the conversion constant is 273.15.") | Merge.kif 6854-6861 | Kelvin degree is an instance of systeme international unit |
| appearance as argument number 2 |
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| (<=> (and (instance ?X Region) (holdsDuring ?T (property ?X StandardAmbientTemperaturePressure))) (holdsDuring ?T (and (airTemperature ?X (MeasureFn 298.15 KelvinDegree)) (barometricPressure ?X (MeasureFn 29.530 InchMercury))))) |
Weather.kif 3947-3957 | X is an instance of region and X the attribute standard ambient temperature and pressure holds during Y if and only if 298.15 kelvin degree(s) is an air temperature of X and 29.530 inch mercury(s) is a barometric pressure of X holds during Y |
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