fast-neutron counter

См. также в других словарях:

• Neutron detection — is the effective detection of neutrons entering a well positioned detector. There are two key aspects to effective neutron detection: hardware and software. Detection hardware refers to the kind of neutron detector used (the most common today is… …   Wikipedia

• Neutron probe — (e=neutron emitter d=detector b=shielding c=counter). A neutron probe is a device used to measure the quantity of water present in soil. A typical neutron probe contains a pellet of americium 241 and beryllium. The alpha particles emitted by the… …   Wikipedia

• Neutron activation — is the process in which neutron radiation induces radioactivity in materials, and occurs when atomic nuclei capture free neutrons, becoming heavier and entering excited states. The excited nucleus often decays immediately by emitting particles… …   Wikipedia

• Neutron monitor — A neutron monitor is a ground based detector designed to measure the number of high energy charged particles striking the Earth s atmosphere from outer space. For historical reasons the incoming particles are called cosmic rays , but in fact they …   Wikipedia

• List of Jimmy Neutron characters — This is a list of characters in the American television animated series The Adventures of Jimmy Neutron: Boy Genius. Contents 1 Main characters 1.1 Jimmy Neutron 1.2 Carl Wheezer 1.3 …   Wikipedia

• Formation evaluation neutron porosity — In the field of formation evaluation, porosity is one of the key measurements to quantify an oil and gas reserves. Neutron porosity measurement employs neutron source to measure hydrogen index in a reservoir, which is directly related to porosity …   Wikipedia

• radiation measurement — ▪ technology Introduction       technique for detecting the intensity and characteristics of ionizing radiation, such as alpha, beta, and gamma rays or neutrons, for the purpose of measurement.       The term ionizing radiation refers to those… …   Universalium

• Nuclear fission — For the generation of electrical power by fission, see Nuclear power. Splitting the atom redirects here. For the EP, see Splitting the Atom. Nuclear physics Radioactive decay Nuclear fission Nuclear fusio …   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

• radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… …   Universalium

• Ionizing radiation — consists of highly energetic particles or waves that can detach (ionize) at least one electron from an atom or molecule. Ionizing ability depends on the energy of the impinging individual particles or waves, and not on their number. A large flood …   Wikipedia