Assertion: decay's neutron | /r/HasProperty | slowed
Facets:
value: most effectively
type: DEGREE
Source sentences:
text: Most other reactor designs have a negative coefficient, i.e. the nuclear reaction rate slows when steam bubbles form in the coolant, since as the vapour phase in the reactor increases, fewer neutrons are slowed down.
text: Neutrons are most effectively slowed by colliding with the nucleus of a light atom, hydrogen being the lightest of all.