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- Curie abstract "The curie (symbol Ci) is a non-SI unit of radioactivity, named after Marie and Pierre Curie. It is defined as 1 Ci = 3.7 × 1010 decays per second.While its continued use is discouraged by NIST and other bodies, the curie is widely used throughout the US government and industry.One curie is roughly the activity of 1 gram of the radium isotope 226Ra, a substance studied by the Curies.The SI derived unit of radioactivity is the becquerel (Bq), which equates to one decay per second. Therefore: 1 Ci = 3.7 × 1010 Bq = 37 GBqand 1 Bq ≅ 2.703 × 10−11 CiAnother commonly used measure of radioactivity is the microcurie: 1 μCi = 3.7 × 104 disintegrations per second = 2.22 × 106 disintegrations per minuteA radiotherapy machine may have roughly 1000 Ci of a radioisotope such as caesium-137 or cobalt-60. This quantity of radioactivity can produce serious health effects with only a few minutes of close-range, unshielded exposure.Ingesting even a millicurie is usually fatal (unless it is a very short-lived isotope). For example, the LD-50 for ingested polonium-210 is 240 μCi.The typical human body contains roughly 0.1 μCi (14 mg) of naturally occurring potassium-40. A human body containing 16 kg of carbon (see Composition of the human body) would also have about 24 nanograms or 0.1 μCi of carbon-14. Together, these would have an activity of approximately 2×0.1 μCi or 7400 decays (mostly from beta decay and rarely from gamma decay) per second inside the person's body.".
- Curie wikiPageID "155829".
- Curie wikiPageRevisionID "604798256".
- Curie hasPhotoCollection Curie.
- Curie subject Category:Non-SI_metric_units.
- Curie subject Category:Radioactivity.
- Curie subject Category:Units_of_radioactivity.
- Curie comment "The curie (symbol Ci) is a non-SI unit of radioactivity, named after Marie and Pierre Curie. It is defined as 1 Ci = 3.7 × 1010 decays per second.While its continued use is discouraged by NIST and other bodies, the curie is widely used throughout the US government and industry.One curie is roughly the activity of 1 gram of the radium isotope 226Ra, a substance studied by the Curies.The SI derived unit of radioactivity is the becquerel (Bq), which equates to one decay per second.".
- Curie label "Curie (Einheit)".
- Curie label "Curie (eenheid)".
- Curie label "Curie (unità di misura)".
- Curie label "Curie (unité)".
- Curie label "Curie".
- Curie label "Curie".
- Curie label "Curio (unidad)".
- Curie label "Kiur (jednostka miary)".
- Curie label "Кюри (единица измерения)".
- Curie label "كوري (وحدة)".
- Curie label "キュリー".
- Curie label "居里 (单位)".
- Curie sameAs Curie.
- Curie sameAs Curie_(Einheit).
- Curie sameAs Curio_(unidad).
- Curie sameAs Curie.
- Curie sameAs Curie_(unité).
- Curie sameAs Curie_(unità_di_misura).
- Curie sameAs キュリー.
- Curie sameAs 퀴리.
- Curie sameAs Curie_(eenheid).
- Curie sameAs Kiur_(jednostka_miary).
- Curie sameAs Curie.
- Curie sameAs m.014fbb.
- Curie sameAs Q229354.
- Curie sameAs Q229354.
- Curie wasDerivedFrom Curie?oldid=604798256.
- Curie isPrimaryTopicOf Curie.