fission poison

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• poison — [ pwazɔ̃ ] n. m. • XVIIe; 1155 n. f.; lat. potio, onis (→ potion) 1 ♦ Substance capable de troubler gravement ou d interrompre les fonctions vitales d un organisme, utilisée pour donner la mort. Poison mêlé aux aliments, à un breuvage (cf.… …   Encyclopédie Universelle

• Fission product — Fission products are the atomic fragments left after a large nucleus fissions. Typically, a large nucleus like Uranium fissions by splitting into two smaller nuclei, along with a few neutrons and a large release of energy in the form of heat… …   Wikipedia

• Poison à neutrons — Un poison neutronique (également appelé «absorbeur de neutrons» ou «poison nucléaire») est une substance ayant une grande section d absorption de neutrons dans les applications, telles que les réacteurs nucléaires. Dans de telles applications, l… …   Wikipédia en Français

• poison — poisoner, n. poisonless, adj. poisonlessness, n. /poy zeuhn/, n. 1. a substance with an inherent property that tends to destroy life or impair health. 2. something harmful or pernicious, as to happiness or well being: the poison of slander. 3.… …   Universalium

• Fission products (by element) — On this page, a discussion of each of the main elements in the fission product mixture from the nuclear fission of an actinide such as uranium or plutonium is set out by element. Krypton 83 86 Krypton 85 is formed by the fission process witha… …   Wikipedia

• Fission product yield — Nuclear fission splits a heavy nucleus such as uranium or plutonium into two lighter nuclei, which are called fission products. Yield refers to the fraction of a fission product produced per fission.Yield can be broken down by: #Individual… …   Wikipedia

• poison — /ˈpɔɪzən / (say poyzuhn) noun 1. any substance (liquid, solid, or gaseous) which by reason of an inherent deleterious property tends to destroy life or impair health. 2. anything harmful, fatal, baneful, or highly pernicious, as to character,… …  

• poison — noun 1》 a substance that causes death or harm when introduced into or absorbed by a living organism. 2》 something that has a destructive or corrupting influence. 3》 Chemistry a substance that reduces the activity of a catalyst. 4》 Physics an… …   English new terms dictionary

• Neutron poison — For information on biological effects of excessive ionizing radiation, see radiation poisoning. A neutron poison (also called a neutron absorber or a nuclear poison ) is a substance with a large neutron absorption cross section in applications,… …   Wikipedia

• Nuclear poison — A nuclear poison, also called a neutron poison is a substance with a large neutron absorption cross section in applications, such as nuclear reactors, when absorbing neutrons is an undesirable effect. However neutron absorbing materials, also… …   Wikipedia

• Nuclear fission product — Nuclear fission products are the atomic fragments left after a large atomic nucleus fissions. Typically, a large nucleus like that of uranium fissions by splitting into two smaller nuclei, along with a few neutrons and a large release of energy… …   Wikipedia