Fissionable material, annual

Although such a conversion will not reduce the inventory retiuirena nt of fuel and fertile material for new plants starting up, this anmniit- to only about 25% of the burnup requirement. On this basis, the sroal of nuclear industry should be to develop reactor designs and associated fuel systems which achieve a consumption of at least 5% to 10% of the total fertile material, as well as the initial fissionable material. - t this piiint the annual burnup requirement would become small compared with the inventory requirement. This corresponds to a total burnup of at out... 

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