Assertion: protactinium | /r/HasAspect | few uses
Facets:
value: very
type: DEGREE
value: from research purposes
type: PURPOSE
value: aside
type: OTHER
Source sentences:
text: Although protactinium has few uses aside from research purposes, it may be combined with the isotope thorium-230 to date marine sediments.
text: Protactinium has few uses, but becomes superconducting at very low temperatures.
text: It has very few uses, such as: