Assertion: deuterium's neutron | /r/HasProperty | ucn
Facets:
Source sentences:
text: Solid deuterium (s[D.sub.2]) is of great importance for a whole class of new sources of ultracold neutrons (UCN).
text: Solid deuterium (s[D.sub.2]) will be used for the production of ultra-cold neutrons (UCN) in a new generation of UCN sources.