Assertion: protactinium | /r/HasProperty | obtained by nuclear reactions
Facets:
value: artificially
type: MANNER
value: from 232th
type: TEMPORAL
value: from thorium
type: LOCATION
Source sentences:
text: Protactinium is a natural chemical element, found in uranium ores as pitchblende in extremely low concentrations; but protactinium can be obtained artificially by nuclear reactions from 232Th.
text: Protactinium is a natural chemical element, found in uranium ores as pitchblende in extremely low concentrations; but protactinium can be obtained artificially by nuclear reactions from 232Th.
text: Protactinium can be obtained artificially by nuclear reactions, from thorium 232.
text: Protactinium can be obtained by nuclear reactions from thorium 232.
text: Protactinium can be obtained artificially from 232Th by nuclear reactions.
text: Protactinium can be obtained artificially from 232Th by nuclear reactions.
text: Protactinium can be obtained artificially from 232Th by nuclear reactions.
text: Protactinium can be obtained artificially by nuclear reactions, from thorium 232.