specific density

удельная плотность

English-Russian arms dictionary. 2013.

Смотреть что такое "specific density" в других словарях:

  • specific density — see economic density …   Dictionary of invertebrate zoology

  • Specific gravity — is defined as the ratio of the density of a given solid or liquid substance to the density of water at a specific temperature and pressure, typically at 4°C (39°F) and convert|1|atm|inHg|2|abbr=on|lk=on , making it a dimensionless quantity (see… …   Wikipedia

  • specific gravity — specific gravity, adj. Physics. the ratio of the density of any substance to the density of some other substance taken as standard, water being the standard for liquids and solids, and hydrogen or air being the standard for gases. Also called… …   Universalium

  • Specific heat capacity — Specific heat capacity, also known simply as specific heat, is the measure of the heat energy required to increase the temperature of a unit quantity of a substance by a certain temperature interval. The term originated primarily through the work …   Wikipedia

  • specific gravity — n the ratio of the density of a substance to the density of some substance (as pure water) taken as a standard when both densities are obtained by weighing in air * * * the ratio, more correctly known as relative density, of the density of a… …   Medical dictionary

  • Specific impulse — (usually abbreviated I sp) is a way to describe the efficiency of rocket and jet engines. It represents the impulse (change in momentum) per unit of propellant. The higher the specific impulse, the less propellant is needed to gain a given amount …   Wikipedia

  • Specific volume — (v) is the volume occupied by a unit of mass of a material. It is equal to the inverse of density. Specific volume may be expressed in frac{m^3}{kg} , frac{ft^3}{lbm} or frac{mL}{g} .: v = frac{V}{m} = frac{1}{ ho} where, V is the volume, m is… …   Wikipedia

  • Specific modulus — is a materials property consisting of the elastic modulus per mass density of a material. The specific modulus is often important in aerospace applications in which maximum strength for minimum weight is required.The dimensional analysis yields… …   Wikipedia

  • Density (disambiguation) — Density and dense usually refer to a measure of how much of some entity is within a fixed amount of space. Types of density include: In physics, density of mass: Density, mass per volume Area density or surface density, mass over a (two… …   Wikipedia

  • Specific detectivity — Specific detectivity, or D*, for a photodetector is a figure of merit used to characterize performance, equal to the reciprocal of noise equivalent power (NEP), normalized per unit area. Specific detectivity is given by , where A is the area of… …   Wikipedia

  • Specific absorption rate — (SAR) is a measure of the rate at which radio frequency (RF) energy is absorbed by the body when exposed to radio frequency electromagnetic field. It is defined as the power absorbed per mass of tissue and has units of Watts per kilogram [cite… …   Wikipedia

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