Assertion: plutonium | /r/HasProperty | its fission cross-section
Facets:
value: for thermal neutrons
type: PURPOSE
Source sentences:
text: Plutonium 239 is a fissile isotope and its fission cross-section for thermal neutrons is about 750 barns (for 0.025 eV neutron).
text: Plutonium 239 is a fissile isotope and its fission cross-section for thermal neutrons is about 750 barns (for 0.025 eV neutron).