- surface specific gravity
- Силикатное производство: поверхностная плотность
Универсальный англо-русский словарь. Академик.ру. 2011.
surface specific gravity
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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
Gravity exploration — (gravimetrical exploration) – is a geophysical method based on a natural gravity field study over the Earth surface. The information about the elements of this field makes it possible to determine their densities, ascertain the deep structure of… … Glossary of Oil and Gas
gravity — The attraction toward the earth that makes any mass exert downward force or have weight. Strictly speaking, g. is the algebraic sum of the gravitational attraction of the earth and the opposing centrifugal effect of the mass s rotation around the … Medical dictionary
gravity — noun (plural ties) Usage: often attributive Etymology: Middle French or Latin; Middle French gravité, from Latin gravitat , gravitas, from gravis Date: 1505 1. a. dignity or sobriety of bearing b. importance, significance; especially seriousness … New Collegiate 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 orbital energy — In the gravitational two body problem, the specific orbital energy (or vis viva energy) of two orbiting bodies is the constant sum of their mutual potential energy ( ) and their total kinetic energy ( ), divided by the reduced mass. According to… … Wikipedia
Gravity knife — A gravity knife is a knife which opens by the forces of inertia or gravity.cite book | last = Langston | first = Richard | title = Collector s Guide to Switchblade Knives: An Illustrated Historical and Price Reference | publisher = Paladin Press… … Wikipedia
Specific strength — The specific strength is a material strength divided by its density. It is expressed in newton metres per kilogram, and is used for tensile strength as for compressive strength. It is sometimes known as the strength to weight ratio. Materials… … Wikipedia
Gravity assist — In orbital mechanics and aerospace engineering, a gravitational slingshot, gravity assist or swing by is the use of the relative movement and gravity of a planet or other celestial body to alter the path and speed of a spacecraft, typically in… … Wikipedia
Surface tension — For the work of fiction, see Surface Tension (short story). Surface tension is a property of the surface of a liquid that causes it to behave as an elastic sheet. It allows insects, such as the water strider (pond skater, UK), to walk on water.… … Wikipedia
Capillary surface — In fluid mechanics and mathematics, a capillary surface is a surface that represents the interface between two different fluids. As a consequence of being a surface, a capillary surface has no thickness in slight contrast with most real fluid… … Wikipedia
