air entrainment ratio это:

air entrainment ratio
коэффициент эжекции

Англо-русский строительный словарь. 2013.

Смотреть что такое "air entrainment ratio" в других словарях:

  • Air entrainment — is the intentional creation of tiny air bubbles in concrete. The bubbles are introduced into the concrete by the addition to the mix of an air entraining agent, a surfactant (surface active substance, a type of chemical that includes detergents) …   Wikipedia

  • Water-cement ratio — is the ratio of weight of water to the weight of cement used in a concrete mix. It has an important influence on the quality of concrete produced. A lower water cement ratio leads to higher strength and durability, but may make the mix more… …   Wikipedia

  • Venturi mask — The venturi mask, also known as an air entrainment mask, is a medical device to deliver a known oxygen concentration to patients on controlled oxygen therapy. Venturi masks are considered high flow oxygen therapy devices. This is because venturi… …   Wikipedia

  • Portland cement — is the most common type of cement in general usage in many parts of the world, as it is a basic ingredient of concrete, mortar, stucco and most non specialty grout. It is a fine powder produced by Portland cement clinker (more than 90%), a… …   Wikipedia

  • Injector — An injector, ejector, steam ejector or steam injector is a pump like device that uses the Venturi effect of a converging diverging nozzle to convert the pressure energy of a motive fluid to velocity energy which creates a low pressure zone that… …   Wikipedia

  • Curtain Coating — is a process that creates an uninterrupted curtain of fluid that falls onto a substrate. The substrate is transported on a conveyer belt at a regulated speed through the curtain to ensure an even coat of the die. The curtain is created by using a …   Wikipedia

  • Hydraulic jump — A hydraulic jump is a phenomenon in the science of hydraulics which is frequently observed in open channel flow such as rivers and spillways. When liquid at high velocity discharges into a zone of lower velocity, a rather abrupt rise (a step or… …   Wikipedia

  • Food processing — is the set of methods and techniques used to transform raw ingredients into food or to transform food into other forms for consumption by humans or animals either in the home or by the food processing industry. Food processing typically takes… …   Wikipedia

  • Fouling — This article is about fouling in engineering. For uses of the term foul outside technology, see Foul (disambiguation). Not to be confused with fowling. Heat exchanger in a steam power plant, fouled by macro fouling …   Wikipedia

  • Luminiferous aether — The luminiferous aether: it was hypothesised that the Earth moves through a medium of aether that carries light In the late 19th century, luminiferous aether or ether, meaning light bearing aether, was the term used to describe a medium for the… …   Wikipedia

  • Gravity current — In fluid dynamics, a gravity current is a primarily horizontal flow in a gravitational field that is driven by a density difference, hence gravity currents also sometimes being referred to as density currents . Typically, the density difference… …   Wikipedia


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