cold shut-down (reactivity) margin

cold shut-down (reactivity) margin: Металлургия: остаточная реактивность выключенного холодного реактора

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Shutdown (nuclear reactor) — In a nuclear reactor, shutdown refers to the state of the reactor when it is subcritical by at least a margin defined in the reactor s technical specifications. Further requirements for being shut down may include having the reactor control key… … Wikipedia
nuclear reactor — Physics. reactor (def. 4). Also called nuclear pile. [1940 45] * * * Device that can initiate and control a self sustaining series of nuclear fission reactions. Neutrons released in one fission reaction may strike other heavy nuclei, causing them … Universalium
Chernobyl disaster — This article is about the 1986 nuclear plant accident in Ukraine. For other uses, see Chernobyl (disambiguation). Chernobyl disaster … Wikipedia

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