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hydraulic medium

См. также в других словарях:

  • Hydraulic fluid — Hydraulic fluids are a large group of fluids used as the motive medium in hydraulic machinery. Fluid types include synthetic compounds, mineral oil, water, and water based mixtures. The fluids are found in machinery and equipment ranging from… …   Wikipedia

  • Hydraulic conductivity — Hydraulic conductivity, symbolically represented as K, is a property of vascular plants, soil or rock, that describes the ease with which water can move through pore spaces or fractures. It depends on the intrinsic permeability of the material… …   Wikipedia

  • Hydraulic fracturing — is a method used to create fractures that extend from a borehole into rock formations, which are typically maintained by a proppant. The method is informally called fracing or hydrofrac. The technique is used to increase or restore the rate which …   Wikipedia

  • Hydraulic empire — A hydraulic empire, also known as a hydraulic despotism or water monopoly empire , is a social or government structure which maintains power and control through exclusive control over access to water. It arises through the need for flood control… …   Wikipedia

  • Hydraulic hooklift hoist — PRESSURE FLOW Hydraulic Oil Pressure = Capacity All hooklift hoists are preset, at the factory, to achieve intended lifting capacity. Turning up the system s pressure will increase lifting capacity, but adjusting or tampering with hoist s… …   Wikipedia

  • hydraulic conductivity —    1. A proportionality constant relating hydraulic gradient to specific discharge which for an isotropic medium and homogeneous fluid, equals the volume of water at the existing kinematic viscosity that will move in unit time under a unit… …   Lexicon of Cave and Karst Terminology

  • Hydraulic Fracturing — Schiefergasbohrung im Pinedale Anticline Hydraulic Fracturing (engl.: to fracture = aufbrechen, aufreißen; auch „Fracking“[1], „Hydrofracking“, „Fraccing“[2], „Frac ing“ [3] oder „Frac Jobs“ genannt …   Deutsch Wikipedia

  • Hydraulic pump — A Hydraulic is used in hydraulic drive systems.Hydraulic pumps can be hydrostatic or hydrodynamic.Hydrostatic pumps are positive displacement pumps.Hydrostatic pumps can be fixed displacement pumps, in which the displacement (flow through the… …   Wikipedia

  • Medium wave — Main article: Medium frequency Medium wave (MW) is the part of the medium frequency (MF) radio band used mainly for AM broadcasting. For Europe the MW band ranges from 526.5 kHz to 1606.5 kHz[1] and in North America an extended MW… …   Wikipedia

  • Medium Girder Bridge — A 16 Bay with LRS Medium Girder Bridge across the Kazer River, Mosul, Iraq, 2003. The Medium Girder Bridge (MGB) is a lightweight, man portable bridge and can be assembled without help from heavy equipment. In addition, it is also a deck type,… …   Wikipedia

  • hydraulic conductivity, effective —    The rate of flow of water through a porous medium that contains more than one fluid, such as water and air in the unsaturated zone, and which should be specified in terms of both the fluid type and content and the existing pressure …   Lexicon of Cave and Karst Terminology

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