as basic raw material
by neutron irradiation of IT*
by neutron irradiation of thorium
artificially
centrifugal
axial
reciprocation
electromagnetic
Ul
U
U238
Pu:
Th232 and U238
U233 and Pu239
U233 and Pu238
None of these
to maintain constant pressure in primary circuit under varying load
to Supply high pressure steam
to increase pressure of water in primary circuit
to provide subcooled water at high pressure