- conductivity model
- геоэлектрический разрез проводимости
Англо-русский словарь по ядерным испытаниям и горному делу. 2013.
conductivity model
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Conductivity near the percolation threshold — In a mixture between a dielectric and a metallic component, the conductivity σ and the dielectric constant ε of this mixture show a critical behavior if the fraction of the metallic component reaches the percolation threshold.[1] The behavior of… … Wikipedia
Drude model — electrons (shown here in blue) constantly bounce between heavier, stationary crystal ions (shown in red). The Drude model of electrical conduction was proposed in 1900[1][2] by Paul … Wikipedia
Free electron model — In three dimensions, the density of states of a gas of fermions is proportional to the square root of the kinetic energy of the particles. In solid state physics, the free electron model is a simple model for the behaviour of valence electrons in … Wikipedia
Groundwater model — Groundwater models are computer models of groundwater flow systems, and are used by hydrogeologists. Groundwater models are used to simulate and predict aquifer conditions.CharacteristicsAn unambiguous definition of groundwater model is difficult … Wikipedia
Electrical resistivity and conductivity — This article is about electrical conductivity in general. For the specific conductance of aqueous solutions, see Conductivity (electrolytic). For other types of conductivity, see Conductivity. Electrical resistivity (also known as resistivity,… … Wikipedia
Classical and quantum conductivity — Classical and quantum mechanical views of conductivity have both described the movements of electrons in a metallic solid. The free electron gas that is present in metallic solids is the reason for an important property of all metals:… … Wikipedia
Surface conductivity — is an additional electric conductivity of fluid in the vicinity of the charged surface. Fluid conductivity is associated with ions motion in electric field. Concentration of ions is higher close to the charged surfaces. They are attracted there… … Wikipedia
Thermal conductivity measurement — Two classes of methods exist to measure the thermal conductivity of a sample: steady state and non steady state methods. Steady state methods (In Geology/Geophysics)The most common method for consolidated rock samples is the Divided Bar. There… … Wikipedia
free-electron model of metals — ▪ physics in solid state physics, representation of a metallic solid as a container filled with a gas composed of free electrons (i.e., those responsible for high electrical and thermal conductivity). The free electrons, considered… … Universalium
Debye model — Statistical mechanics Thermodynamics · … Wikipedia
Lumped capacitance model — A lumped capacitance model, also called lumped system analysis,[1] reduces a thermal system to a number of discrete “lumps” and assumes that the temperature difference inside each lump is negligible. This approximation is useful to simplify… … Wikipedia
