curie
E647509
The curie is a large, non-SI unit of radioactivity historically used to quantify the intensity of radioactive sources, equal to 3.7 × 10¹⁰ disintegrations per second.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Curie (unit of radioactivity) | 1 |
| curie canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7188741 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: curie Context triple: [becquerel, isSmallerThan, curie]
-
A.
Curie
Curie is the renowned scientific family name most famously associated with Nobel Prize–winning physicists and chemists Marie and Pierre Curie and their descendants.
-
B.
Marie Curie
Marie Curie was a pioneering physicist and chemist renowned for her groundbreaking research on radioactivity and as the first person to win Nobel Prizes in two different scientific fields.
-
C.
Ève Curie
Ève Curie was a French-American writer and pianist best known for her acclaimed biography of her mother, the scientist Marie Curie.
-
D.
Jacques Curie
Jacques Curie was a French physicist best known for his work on piezoelectricity, conducted in collaboration with his more famous brother Pierre Curie.
-
E.
Curie family
The Curie family is a renowned scientific dynasty best known for multiple generations of pioneering physicists and chemists, including several Nobel Prize laureates such as Marie and Pierre Curie.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: curie Target entity description: The curie is a large, non-SI unit of radioactivity historically used to quantify the intensity of radioactive sources, equal to 3.7 × 10¹⁰ disintegrations per second.
-
A.
Curie
Curie is the renowned scientific family name most famously associated with Nobel Prize–winning physicists and chemists Marie and Pierre Curie and their descendants.
-
B.
Marie Curie
Marie Curie was a pioneering physicist and chemist renowned for her groundbreaking research on radioactivity and as the first person to win Nobel Prizes in two different scientific fields.
-
C.
Ève Curie
Ève Curie was a French-American writer and pianist best known for her acclaimed biography of her mother, the scientist Marie Curie.
-
D.
Jacques Curie
Jacques Curie was a French physicist best known for his work on piezoelectricity, conducted in collaboration with his more famous brother Pierre Curie.
-
E.
Curie family
The Curie family is a renowned scientific dynasty best known for multiple generations of pioneering physicists and chemists, including several Nobel Prize laureates such as Marie and Pierre Curie.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
non-SI unit
ⓘ
unit of radioactivity ⓘ |
| belongsTo | radiation measurement units ⓘ |
| category | radioactivity unit ⓘ |
| classification | legacy radiological unit ⓘ |
| conversionFromBecquerel | divide by 3.7 × 10^10 ⓘ |
| conversionToBecquerel | multiply by 3.7 × 10^10 ⓘ |
| definition |
3.7 × 10^10 becquerels
ⓘ
3.7 × 10^10 disintegrations per second ⓘ |
| dimension | T^-1 ⓘ |
| hasLogarithmicRelation | none ⓘ |
| historicalDefinitionBasis | activity of 1 gram of radium-226 ⓘ |
| historicalUsage | widely used in 20th century nuclear science ⓘ |
| introducedBy | International Commission on Radiological Units ⓘ |
| introducedInYear | 1910 ⓘ |
| measurementType | stochastic nuclear decay events per unit time ⓘ |
| namedAfter |
Marie Curie
ⓘ
Pierre Curie ⓘ |
| notation | often written with capital C and lowercase i ⓘ |
| quantity | radioactivity ⓘ |
| regulatoryUse | still appears in some national regulations and industry standards ⓘ |
| relatedConcept |
dose rate
ⓘ
half-life ⓘ specific activity ⓘ |
| relatedUnit | becquerel ⓘ |
| replacedBy | becquerel ⓘ |
| safetyContext | used to characterize source strength for shielding design ⓘ |
| SIBaseUnitRelation | 1 Ci = 3.7 × 10^10 s^-1 ⓘ |
| SIUnitRelation | 1 Ci = 3.7 × 10^10 Bq ⓘ |
| status | non-SI unit accepted for use with SI in some contexts ⓘ |
| submultiple |
microcurie
ⓘ
millicurie ⓘ nanocurie ⓘ picocurie ⓘ |
| submultipleDefinition |
1 mCi = 10^-3 Ci
ⓘ
1 nCi = 10^-9 Ci ⓘ 1 pCi = 10^-12 Ci ⓘ 1 µCi = 10^-6 Ci ⓘ |
| symbol | Ci ⓘ |
| system | CGS-based radiological units ⓘ |
| usedFor |
specifying activity of radiopharmaceuticals
ⓘ
specifying activity of sealed radioactive sources ⓘ |
| usedInField |
health physics
ⓘ
nuclear engineering ⓘ nuclear medicine ⓘ radiation protection ⓘ radiology ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: curie Description of subject: The curie is a large, non-SI unit of radioactivity historically used to quantify the intensity of radioactive sources, equal to 3.7 × 10¹⁰ disintegrations per second.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: curie