- standard density
- стандартная плотность воздуха (при 0°C и 760 мм рт. ст.)
Англо-русский строительный словарь. 2013.
standard density
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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 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
Density — Den si*ty (d[e^]n s[i^]*t[y^]), n. [L. densitas; cf. F. densit[ e].] 1. The quality of being dense, close, or thick; compactness; opposed to {rarity}. [1913 Webster] 2. (Physics) The ratio of mass, or quantity of matter, to bulk or volume, esp.… … The Collaborative International Dictionary of English
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 of air — The density of air, ρ (Greek: rho) (air density), is the mass per unit volume of Earth s atmosphere, and is a useful value in aeronautics and other sciences. Air density decreases with increasing altitude, as does air pressure. It also changes… … 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
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
Density estimation — In probability and statistics, density estimation is the construction of an estimate, based on observed data, of an unobservable underlying probability density function. The unobservable density function is thought of as the density according to… … Wikipedia
Standard error (statistics) — For a value that is sampled with an unbiased normally distributed error, the above depicts the proportion of samples that would fall between 0, 1, 2, and 3 standard deviations above and below the actual value. The standard error is the standard… … 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 Solar Model — The Standard Solar Model (SSM) is the best current physical model of our sun. Very generally, in the Standard Solar Model the sun is a ball of mostly hydrogen plasma which is held together through self gravitation. At the core of the sun the… … Wikipedia
