- The
density (more precisely, the
volumetric m****
density; also
known as
specific m****), of a
substance is its m**** per unit volume. The
symbol most often...
- 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...
-
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...
- Po****tion
density (in agriculture:
standing stock or
plant density) is a
measurement of po****tion per unit area, or
exceptionally unit volume; it is...
- In
quantum chemistry,
electron density or
electronic density is the
measure of the
probability of an
electron being present at an
infinitesimal element...
- The
density of air or
atmospheric density,
denoted ρ (Gr****: rho), is the m**** per unit
volume of Earth's atmosphere. Air
density, like air pressure,...
-
Power density is the
amount of
power (time rate of
energy transfer) per unit volume. In
energy transformers including batteries, fuel cells, motors, etc...
- Disk
density is a
capacity designation on
magnetic storage,
usually floppy disks. Each
designation describes a set of
characteristics that can affect...
- In
quantum mechanics, a
density matrix is a
matrix that
describes the
quantum state of a
physical system. It
allows for the
calculation of the probabilities...
