| Descriptor English: | Radioactivity | ||||||
| Descriptor Spanish: |
Radiactividad
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| Descriptor Portuguese: | Radioatividade | ||||||
| Descriptor French: | Radioactivité | ||||||
| Entry term(s): |
Becquerel Decay, Nuclear Disintegration, Radioactive Disintegrations, Radioactive Nuclear Decay Radioactive Disintegration Radioactive Disintegrations Radioactivities |
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| Tree number(s): |
G01.828 SP4.606.573.738.655 |
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| RDF Unique Identifier: | https://id.nlm.nih.gov/mesh/D011851 | ||||||
| Scope note: | The spontaneous transformation of a nuclide into one or more different nuclides, accompanied by either the emission of particles from the nucleus, nuclear capture or ejection of orbital electrons, or fission. (McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed) |
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| Annotation: | IM general only for principle of emission of radiations; NIM as coordinate for degree of radioactivity of specific radioelements or radioisotopes (IM); do not use as routine coordinate for amount of radiation or degree of radioactivity of radioisotope tracers; entry term NUCLEAR DECAY: coordinate NIM with specific radioactive substance (IM) & do not add RADIOMETRY |
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| Allowable Qualifiers: | No qualifiers | ||||||
| DeCS ID: | 12290 | ||||||
| Unique ID: | D011851 | ||||||
| Documents indexed in the Virtual Health Library (VHL): | Click here to access the VHL documents | ||||||
| Date Established: | 1966/01/01 | ||||||
| Date of Entry: | 1999/01/01 | ||||||
| Revision Date: | 2016/06/17 |
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PHENOMENA AND PROCESSES
Physical Phenomena [G01]Physical Phenomena -
PUBLIC HEALTH
Environmental Health [SP4]Environmental Health
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Radioactivity
- Preferred
Becquerel
- Narrower
| Concept UI |
M0018405 |
| Scope note | The spontaneous transformation of a nuclide into one or more different nuclides, accompanied by either the emission of particles from the nucleus, nuclear capture or ejection of orbital electrons, or fission. (McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed) |
| Preferred term | Radioactivity |
| Entry term(s) |
Decay, Nuclear Disintegration, Radioactive Disintegrations, Radioactive Nuclear Decay Radioactive Disintegration Radioactive Disintegrations Radioactivities |
| Concept UI |
FD00060673 |
| Scope note | The activity of a quantity of radioactive material in which one nucleus decays per second. (http://en.wikipedia.org/wiki/Becquerel) |
| Preferred term | Becquerel |
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