This page documents an OPTIMADE Unit Definition. See https://schemas.optimade.org/ for more information.
ID: https://schemas.optimade.org/defs/v1.2/units/si/1964/temporary/curie
Definition name: curie
Unit name: curie
Latin symbol: Ci
Display symbol: Ci
Description: A non-SI unit of activity with the value 3.7·10⁻¹⁰ s⁻¹ defined at the 12th CGPM meeting in 1964.
Defined as outside the SI at the 12th CGPM meeting in 1964, resolution 7.
Resources:
JSON definition:
{
"$id": "https://schemas.optimade.org/defs/v1.2/units/si/1964/temporary/curie",
"$schema": "https://schemas.optimade.org/meta/v1.2/optimade/physical_unit_definition.json",
"title": "curie",
"symbol": "Ci",
"display-symbol": "Ci",
"description": "A non-SI unit of activity with the value 3.7\u00b710\u207b\u00b9\u2070 s\u207b\u00b9 defined at the 12th CGPM meeting in 1964.\n\nDefined as outside the SI at the 12th CGPM meeting in 1964, resolution 7.\n\n- The International System of Units (SI), 1st ed. (1970) categorizes the unit as \"Units in use temporarily with the International System.\"\n- The International System of Units (SI), 7th ed. (1998) changes the categorization to \"Other non-SI units\".\n- The curie is omitted in the International System of Units (SI), 8th Edition (2006).",
"resources": [
{
"relation": "Definition at the 12th CGPM meeting (1964), resolution 3",
"resource-id": "https://www.bipm.org/en/committees/cg/cgpm/12-1964/resolution-3"
},
{
"relation": "Le Syst\u00e8me International d'Unit\u00e9s (SI) (1970)",
"resource-id": "https://www.bipm.org/en/publications/si-brochure"
},
{
"relation": "Wikipedia article describing the unit",
"resource-id": "https://en.wikipedia.org/wiki/Curie_(unit)"
}
],
"defining-relation": {
"base-units": [
{
"symbol": "s",
"id": "https://schemas.optimade.org/defs/v1.2/units/si/1960/base/second"
}
],
"base-units-expression": "s^-1",
"scale": {
"numerator": 37,
"exponent": -11
}
},
"x-optimade-definition": {
"label": "curie_si_1964_temporary",
"kind": "unit",
"format": "1.2",
"version": "1.2.0",
"name": "curie"
}
}