- density at standard conditions
- Нефтегазовая техника плотность в нормальных условиях
Универсальный англо-русский словарь. Академик.ру. 2011.
density at standard conditions
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Standard conditions for temperature and pressure — Not to be confused with Standard state. In chemistry, standard condition for temperature and pressure (informally abbreviated as STP) are standard sets of conditions for experimental measurements, to allow comparisons to be made between different … Wikipedia
Standard cubic feet per minute — (SCFM) is the volumetric flow rate of a gas corrected to standardized conditions of temperature and pressure. It is equivalent to the molar flow rate by the ideal gas law. Conversion of SCFM to mass flow requires knowledge of the mixture averaged … Wikipedia
Standard atmosphere — can refer to:* A standard reference value for air pressure: ** Atmosphere (unit), an approximation of the value at sea level ** Atmospheric pressure, other reference values * A model of how atmospheric pressure varies with altitude: ** The U.S.… … Wikipedia
Density — This article is about mass density. For other uses, see Density (disambiguation). The mass density or density of a material is defined as its mass per unit volume. The symbol most often used for density is ρ (the Greek letter rho). In some cases… … Wikipedia
density ratio — The ratio of the density of air at a given altitude to the density of the air at sea level under standard conditions … Aviation dictionary
Density altitude — Computation Chart. Density altitude is the altitude in the International Standard Atmosphere at which the air density would be equal to the actual air density at the place of observation, or, in other words, the height when measured in terms of… … Wikipedia
Standard day — The term standard day is used throughout meteorology, aviation, and other sciences and disciplines as a way of defining certain properties of the atmosphere in a manner which allows those who use our atmosphere to effectively calculate and… … Wikipedia
Standard penetration test — The standard penetration test (SPT) is an in situ dynamic penetration test designed to provide information on the geotechnical engineering properties of soil. The test procedure is described in the British Standard BS 1377 9:1990 and ASTM D1586.… … Wikipedia
standard atmosphere — noun a unit of pressure: the pressure that will support a column of mercury 760 mm high at sea level and 0 degrees centigrade • Syn: ↑atmosphere, ↑atm, ↑standard pressure • Hypernyms: ↑pressure unit • Hyponyms: ↑STP, ↑ … Useful english dictionary
standard atmosphere — 1. an arbitrarily determined vertical distribution of atmospheric pressure, temperature, and density, assumed to have physical constants and conforming to parametric equations, used for calculations in ballistics, the design of pressure… … Universalium
Standard deviation — In probability and statistics, the standard deviation is a measure of the dispersion of a collection of values. It can apply to a probability distribution, a random variable, a population or a data set. The standard deviation is usually denoted… … Wikipedia
