WebJan 6, 2010 · Nuclear fission is a process in which an unstable nucleus splits into two nuclides and emits neutrons. Two types of fission reactions are possible: spontaneous fission and induced fission. We saw earlier that spontaneous fission occurs in some radionuclides, at least one of which, californium-252, occurs naturally. Webfissioning ( plural fissionings ) The act of splitting into two separate parts quotations . 2012 September 20, Andrew Brown, “Archbishop of Canterbury succession race begins in earnest”, in The Guardian (online) [1]: There is the slow international fissioning of the Anglican communion, where conservative Africans and Asians have been ...
Fission Definition & Meaning Britannica Dictionary
WebThe minimum excitation energy required for fission to occur is known as the critical energy (Ecrit) or threshold energy. Material Properties Critical Energy – Threshold Energy for Fission In principle, any nucleus, if brought into sufficiently high … Webfissioning translation in English - English Reverso dictionary, see also 'finishing',fission-fusion bomb',fissionability',fishing', examples, definition, conjugation cytokines vs growth factors
Fissioning - definition of fissioning by The Free Dictionary
WebSuggest new translation/definition nuclear fission n the splitting of an atomic nucleus into approximately equal parts, either spontaneously or as a result of the impact of a particle … Webthermal neutron, any free neutron (one that is not bound within an atomic nucleus) that has an average energy of motion (kinetic energy) corresponding to the average energy of the particles of the ambient materials. Relatively slow and of low energy, thermal neutrons exhibit properties, such as large cross sections in fission, that make them desirable in … WebFission definition: A nuclear reaction in which an atomic nucleus, especially a heavy nucleus, such as an isotope of uranium, splits into fragments, usually two fragments of comparable but unequal mass, and releases a … cytokines when stressed