-
Density (volumetric m****
density or
specific m****) is a substance's m**** per unit of volume. The
symbol most
often used for
density is ρ (the
lower case...
- 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...
-
Relative density, also
called specific gravity, is a
dimensionless quantity defined as the
ratio of the
density (m**** of a unit volume) of a substance...
- This is a list of
countries and
dependencies ranked by po****tion
density,
sorted by
inhabitants per
square kilometre or
square mile. The list includes...
- is finite, one may
compute the
energy spectral density. More
commonly used is the
power spectral density (PSD, or
simply power spectrum),
which applies...
-
pixels per
centimetre (ppcm or pixels/cm) are
measurements of the
pixel density of an
electronic image device, such as a
computer monitor or television...
- In
probability theory, a
probability density function (PDF),
density function, or
density of an
absolutely continuous random variable, is a
function whose...
- In
quantum mechanics, a
density matrix (or
density operator) is a
matrix that
describes an
ensemble of
physical systems as
quantum states (even if the...
-
Critical density may
refer to:
Critical density (cosmology), the
matter density of a
spatially flat
Universe Critical density (thermodynamics), the
density of...
-
Power density,
defined as the
amount of
power (the time rate of
energy transfer) per unit volume, is a
critical parameter used
across a
spectrum of scientific...
