|
gptkbp:instanceOf
|
system of units
|
|
gptkbp:adoptedBy
|
gptkb:General_Conference_on_Weights_and_Measures
|
|
gptkbp:alsoKnownAs
|
2019 SI revision
revised SI
|
|
gptkbp:appliesTo
|
gptkb:industry
gptkb:science
commerce
|
|
gptkbp:basedOnConstant
|
gptkb:Planck_constant
gptkb:Avogadro_constant
gptkb:Boltzmann_constant
elementary charge
speed of light in vacuum
hyperfine transition frequency of cesium-133
luminous efficacy of 540 THz radiation
|
|
gptkbp:category
|
metrology
|
|
gptkbp:definedIn
|
fundamental physical constants
|
|
gptkbp:governingBody
|
gptkb:International_Bureau_of_Weights_and_Measures
|
|
gptkbp:hasUnit
|
gptkb:Metric
gptkb:ampere
gptkb:candela
gptkb:kilogram
gptkb:kelvin
second
mole
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
New SI
|
|
gptkbp:implementedIn
|
2019-05-20
|
|
gptkbp:purpose
|
improve precision and stability of measurements
|
|
gptkbp:redefinedUnit
|
gptkb:ampere
gptkb:kilogram
gptkb:kelvin
mole
|
|
gptkbp:replacedBy
|
previous SI definitions
|
|
gptkbp:replacesArtifact
|
gptkb:International_Prototype_of_the_Kilogram
|
|
gptkbp:bfsParent
|
gptkb:2019_SI_redefinition
|
|
gptkbp:bfsLayer
|
6
|