| 摘要 |
PCT No. PCT/JP91/01125 Sec. 371 Date Apr. 26, 1993 Sec. 102(e) Date Apr. 26, 1993 PCT Filed Aug. 26, 1991 PCT Pub. No. WO93/04479 PCT Pub. Date Mar. 4, 1993.There is provided a fuel assembly for a thermal neutron type reactor in which fuel rods utilizing U-235 enriched uranium-oxide are bundled in a lattice arrangement, and a portion of the fuel rods in the lattice arrangement is substituted with MOX fuel rods provided with no U-235 enriched uranium-oxide fuel portion and no natural or depleted uranium-oxide blanket portion.
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