Activity is the decay rate of a radioactive substance. It is a derived quantity in the International System of Units. Activity is 1 divided by time.
http://www.ontology-of-units-of-measure.org/resource/om-2/Activity
activity of a radionuclide
activity (of a radionuclide)
activity
Activity
A
http://www.ontology-of-units-of-measure.org/resource/om-2/terabecquerel
http://www.ontology-of-units-of-measure.org/resource/om-2/picobecquerel
http://www.ontology-of-units-of-measure.org/resource/om-2/centibecquerel
http://www.ontology-of-units-of-measure.org/resource/om-2/millibecquerel
http://www.ontology-of-units-of-measure.org/resource/om-2/curie
http://www.ontology-of-units-of-measure.org/resource/om-2/megabecquerel
http://www.ontology-of-units-of-measure.org/resource/om-2/decabecquerel
http://www.ontology-of-units-of-measure.org/resource/om-2/becquerel
http://www.ontology-of-units-of-measure.org/resource/om-2/hectobecquerel
http://www.ontology-of-units-of-measure.org/resource/om-2/exabecquerel
http://www.ontology-of-units-of-measure.org/resource/om-2/kilobecquerel
http://www.ontology-of-units-of-measure.org/resource/om-2/nanobecquerel
http://www.ontology-of-units-of-measure.org/resource/om-2/microbecquerel
http://www.ontology-of-units-of-measure.org/resource/om-2/decibecquerel
http://www.ontology-of-units-of-measure.org/resource/om-2/petabecquerel
http://www.ontology-of-units-of-measure.org/resource/om-2/femtobecquerel
http://www.ontology-of-units-of-measure.org/resource/om-2/gigabecquerel
http://www.ontology-of-units-of-measure.org/resource/om-2/attobecquerel
http://www.ontology-of-units-of-measure.org/resource/om-2/reciprocalSecond-Time
http://www.ontology-of-units-of-measure.org/resource/om-2/Quantity