Assertion: plutonium's concentration | /r/HasProperty | high
Facets:
value: for such use
type: PURPOSE
value: sufficiently
type: DEGREE
Source sentences:
text: For such use, the concentration of fissile isotopes uranium-235 and plutonium-239 in the element used must be sufficiently high.
text: For instance his work suggests that when hydrogen (H 2 ) concentration is high (due to the anaerobic corrosion of the steel waste can), the oxidation of hydrogen at the nanoparticles will exert a protective effect on the uranium dioxide.
text: It is more toxic to malignant cells than normal cells but the concentrations needed are too high for regular use.