Not exact matches
The 3000 or so known unstable
nuclides have half - lives from fractions of a second to
more than the age of the universe — and theory predicts thousands
more
The US system covers
more than 300 chemicals and radio -
nuclides; CRI will eventually include a similar number but initially will concentrate on just 150 substances.
Their approach involves converting radioactive material into short - lived
nuclides by absorbing surplus neutrons... Read
more →