Chernobyl's RBMK reactor, however, used solid graphite as a neutron moderator to slow down the neutrons, and the water in it, on the contrary, acts like a harmful neutron absorber.
O reactor RBMK de Chernóbil, porén, usaba grafito sólido como moderador de neutróns para ralentizalos, e a auga que nel se atopaba, polo contrario, actuaba absorbendo neutróns.