- plutonium-beryllium source
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плутониево-бериллиевый источник нейтронов
English-Russian dictionary of geology. 2011.
plutonium-beryllium source
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PLUTONIUM — Élément chimique artificiel de numéro atomique 94, le plutonium a pour symbole chimique Pu. Par analogie avec les éléments uranium et neptunium le précédant immédiatement dans la classification périodique, il doit son nom à la planète Pluton… … Encyclopédie Universelle
Plutonium — (pronEng|pluːˈtoʊniəm, symbol Pu, atomic number 94) is a rare radioactive, metallic chemical element. The most significant isotope of plutonium is 239Pu, with a half life of 24,100 years; this isotope is fissile and is used in most modern nuclear … Wikipedia
Neutron source — Science with Neutrons Foundations Neutron temperature Flux · Radiation … Wikipedia
Startup neutron source — RBMK reactor control rod positions at the moment of the Chernobyl disaster; blue=startup neutron sources (12), yellow=shortened control rods from the reactor bottom (32), grey=pressure tubes (1661), green=control rods (167), red=automatic control … Wikipedia
Neutron moderator — Currently operating nuclear power reactors by moderator Moderator Reactors Design Country none (fast) 1 BN 600 Russia (1) graphite 29 AGR, Magnox, RBMK United Kingdom (18), Russia (11) heavy water 29 CANDU … Wikipedia
DIAGRAPHIES (géophysique) — On désigne par diagraphie (du grec dia , «à travers», et graphein , «dessiner») ou, plus couramment, par le terme américain log (qui signifie bûche, rouleau...) tout enregistrement continu des variations, en fonction de la profondeur, d’une… … Encyclopédie Universelle
Nuclear weapon design — The first nuclear weapons, though large, cumbersome and inefficient, provided the basic design building blocks of all future weapons. Here the Gadget device is prepared for the first nuclear test: Trinity. Nuclear weapon designs are physical,… … 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
Nuclear reactor — Core of CROCUS, a small nuclear reactor used for research at the EPFL in Switzerland This article is a subarticle of Nuclear power. A nuclear reactor is a device to initiate and control a sustained nuclear chain reaction. Most commonly they are… … Wikipedia
Modulated neutron initiator — A modulated neutron initiator is a neutron source capable of producing a burst of neutrons on activation. It is a crucial part of some nuclear weapons, as its role is to kick start the chain reaction at the optimal moment when the configuration… … Wikipedia
Manhattan Project — This article is about the atomic bomb project. For other uses, see Manhattan Project (disambiguation). Manhattan District The Manhattan Project created the first nuclear bombs. The Trinity test … Wikipedia
