2019 redefinition of SI base units
GPTKB entity
Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
scientific event
|
| gptkbp:affects |
gptkb:SI_base_units
|
| gptkbp:approvedBy |
gptkb:General_Conference_on_Weights_and_Measures
|
| gptkbp:date |
20 May 2019
|
| https://www.w3.org/2000/01/rdf-schema#label |
2019 redefinition of SI base units
|
| gptkbp:implementedIn |
gptkb:Bureau_International_des_Poids_et_Mesures
|
| gptkbp:location_of_approval |
gptkb:Versailles,_France
|
| gptkbp:precededBy |
previous SI definitions (pre-2019)
|
| gptkbp:purpose |
improve precision and universality of SI units
|
| gptkbp:redefined_unit |
gptkb:ampere
gptkb:kilogram gptkb:kelvin mole |
| gptkbp:redefinition_based_on |
gptkb:Planck_constant
gptkb:Avogadro_constant gptkb:Boltzmann_constant elementary charge fundamental physical constants |
| gptkbp:relatedTo |
gptkb:International_System_of_Units
|
| gptkbp:replaced_artifact_definition |
gptkb:International_Prototype_of_the_Kilogram
|
| gptkbp:resultedIn |
all SI base units defined by constants
|
| gptkbp:bfsParent |
gptkb:Avogadro_constant
|
| gptkbp:bfsLayer |
5
|