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source density

См. также в других словарях:

  • source density — šaltinių tankis statusas T sritis fizika atitikmenys: angl. density of source distribution; source density vok. Quellendichte, f; Quellenverteilungsdichte, f rus. плотность источников, f; плотность распределения источников, f pranc. densité de… …   Fizikos terminų žodynas

  • neutron source density — neutronų šaltinio tankis statusas T sritis Standartizacija ir metrologija apibrėžtis Neutronų susidarymo tūrio elemente sparta, padalyta iš to tūrio elemento. atitikmenys: angl. neutron source density rus. полная плотность источника нейтронов, f …   Penkiakalbis aiškinamasis metrologijos terminų žodynas

  • density of source distribution — šaltinių tankis statusas T sritis fizika atitikmenys: angl. density of source distribution; source density vok. Quellendichte, f; Quellenverteilungsdichte, f rus. плотность источников, f; плотность распределения источников, f pranc. densité de… …   Fizikos terminų žodynas

  • Density logging — Well logging Gamma ray logging Spontaneous potential logging Resistivity logging Density logging Sonic logging Caliper logging Mud logging LWD/MWD v · …   Wikipedia

  • Density functional theory — Electronic structure methods Tight binding Nearly free electron model Hartree–Fock method Modern valence bond Generalized valence bond Møller–Plesset perturbation theory …   Wikipedia

  • density log — n, = gamma gamma log measures electron density within lithologic units which is related to their bulk density. The wireline tool records the intensity of gamma radiation (in counts per second) from a nuclear source within the tool after it has… …   Coke&Coal Terminology

  • Source counts — The source counts distribution of radio sources from a radio astronomical survey is the cumulative distribution of the number of sources (N) brighter than a given flux density (S). It is one out of a half dozen cosmological tests that was… …   Wikipedia

  • Density-dependent inhibition — In population ecology, density dependent inhibition describes a situation in which population growth is curtailed by crowding, predators and competition. In cell biology, it describes the reduction in cell division. When a cell population reaches …   Wikipedia

  • Nuclear density gauge — A nuclear density gauge is a tool used in civil construction and the petroleum industry, as well as for mining and archaeology purposes. It consists of a radiation source that emits a directed beam of particles and a sensor that counts the… …   Wikipedia

  • Spectral density — In statistical signal processing and physics, the spectral density, power spectral density (PSD), or energy spectral density (ESD), is a positive real function of a frequency variable associated with a stationary stochastic process, or a… …   Wikipedia

  • Energy density — For energy density in the sense of energy per unit mass, see specific energy. For energy density of foods, see specific energy. Energy density is a term used for the amount of energy stored in a given system or region of space per unit volume.… …   Wikipedia

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