| 摘要 |
1,139,104. Reactors. UNITED STATES ATOMIC ENERGY COMMISSION. 4 July, 1966 [6 Jan., 1966], No. 29870/66. Heading G6C. In a sodium-cooled, fast breeder reactor having a core size of at least 800 litres, the core includes a thorium central zone which induces a negative, or low positive, coolant void coefficient. The central zone 10 comprises uranium-233, thorium-232, surrounded by zone 11 formed of uraniun-238 and plutonium. Blankets 12, 13 and 14 contain depleted uranium. The solid fuel material may comprise metals, oxides and carbides as well as nitrides, sulphides and mixtures of ceramics and metals.
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