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Density (volumetric m****
density or
specific m****) is the substance's m**** per unit of volume. The
symbol most
often used for
density is ρ (the lower...
- Po****tion
density (in agriculture:
standing stock or
plant density) is a
measurement of po****tion per unit land area. It is
mostly applied to humans...
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Power density is the
amount of
power (time rate of
energy transfer) per unit volume. In
energy transformers including batteries, fuel cells, motors, power...
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Relative density, or
specific gravity, is the
ratio of the
density (m**** of a unit volume) of a
substance to the
density of a
given reference material...
- In
probability theory, a
probability density function (PDF), or
density of a
continuous random variable, is a
function whose value at any
given sample...
- In physics,
energy density is the
amount of
energy stored in a
given system or
region of
space per unit volume. It is
sometimes confused with
energy per...
- is finite, one may
compute the
energy spectral density. More
commonly used is the
power spectral density (or
simply power spectrum),
which applies to signals...
- This is a list of
countries and
dependencies ranked by po****tion
density,
measured by the
number of
human inhabitants per
square kilometre or square...
- In
quantum mechanics, a
density matrix (or
density operator) is a
matrix that
describes the
quantum state of a
physical system. It
allows for the calculation...
-
Critical density may
refer to:
Critical density (cosmology), the
matter density of a
spatially flat
Universe Critical density (thermodynamics), the
density of...