diffusion neutron radiation

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• Neutron transport — is the study of the motions and interactions of neutrons with materials. Nuclear scientists and engineers often need to know where neutrons are in an apparatus, what direction they are going, and how quickly they are moving. It is commonly used… …   Wikipedia

• Neutron generator — Neutron generators are neutron source devices which contain compact linear accelerators and that produce neutrons by fusing isotopes of hydrogen together. The fusion reactions take place in these devices by accelerating either deuterium, tritium …   Wikipedia

• Radiation Ionisante — Rayonnement ionisant En irradiation externe, le rayonnement alpha (constitué de noyaux d hélium) est simplement arrêté par une feuille de papier. Le rayonnement bêta (constitué d électrons ou de positrons) est arrêté par une plaque d aluminium.… …   Wikipédia en Français

• Radiation ionisante — Rayonnement ionisant En irradiation externe, le rayonnement alpha (constitué de noyaux d hélium) est simplement arrêté par une feuille de papier. Le rayonnement bêta (constitué d électrons ou de positrons) est arrêté par une plaque d aluminium.… …   Wikipédia en Français

• Facteur de diffusion atomique — En physique, le facteur de diffusion atomique est une mesure de la puissance de diffusion d une onde par un atome. Il dépend de la nature des interactions entre l onde et l objet diffusant, donc de la radiation incidente : en général, il s… …   Wikipédia en Français

• Crystal oscillator — A miniature 4 MHz quartz crystal enclosed in a hermetically sealed HC 49/US package, used as the resonator in a crystal oscillator. A crystal oscillator is an electronic oscillator circuit that uses the mechanical resonance of a vibrating crystal …   Wikipedia

• 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

• Actinide — The atomic bomb dropped on Nagasaki had a plutonium charge.[1] The actinide or actinoid (IUPAC nomenclature) series encompasses the 15 metallic chemical elements with atomic numbers from 89 to 103, actinium thro …   Wikipedia

• Nuclear reactor technology — This article is a subarticle of Nuclear power .A nuclear reactor is a device in which nuclear chain reactions are initiated, controlled, and sustained at a steady rate, as opposed to a nuclear bomb, in which the chain reaction occurs in a… …   Wikipedia

• History of nuclear weapons — The history of nuclear weapons chronicles the development of nuclear weapons. Nuclear weapons are devices that possess enormous destructive potential derived from nuclear fission or nuclear fusion reactions. Starting with the scientific… …   Wikipedia

• Inertial confinement fusion — (ICF) is a process where nuclear fusion reactions are initiated by heating and compressing a fuel target, typically in the form of a pellet that most often contains a mixture of deuterium and tritium.To compress and heat the fuel, energy is… …   Wikipedia