-
millipascal mPa 105 Pa bar (non-SI unit) bar 106 Pa
megapascal MPa 10−6 Pa
micropascal μPa 109 Pa
gigapascal GPa 10−9 Pa
nanopascal nPa 1012 Pa
terapascal TPa...
- in dB
relative to a
reference pressure of 0.00002 Pa, i.e., 20 μPa (
micropascals) in SI units. This is
because 20 μPa is the
faintest sound the human...
- and pref is the
standard reference sound pressure of 20
micropascals in air or 1
micropascal in water. Use of the
decibel in
underwater acoustics leads...
-
corresponds to a peak
pressure level of 218 decibels
relative to one
micropascal (dB re 1 μPa),
equivalent to a zero to peak
source level of 190 dB re...
- – Heat
conductivity in
milliwatts per meter-kelvin η –
Viscosity in
micropascal-seconds (1 cP = 1000 μPa·s) σ –
surface tension in
millinewtons per meter...
- as a 1 kHz tone with a
sound pressure level of 40 decibels
above 20
micropascals. The phon is
psychophysically matched to a
reference frequency of 1 kHz...
-
hearing is
generally reported in
reference to the RMS
sound pressure of 20
micropascals, i.e. 0 dB SPL,
corresponding to a
sound intensity of 0.98 pW/m2 at 1...
- For gas, the
dynamic viscosity is
usually in the
range of 10 to 20
microPascal-seconds, or 0.01 to 0.02 centiPoise. The
density is
usually on the order...
-
always been a
trace component with a
partial pressure not
exceeding 0.1
micropascal (μPa). One oxygen-(O2)-independent
process involves a
direct chemical...
-
programming languages (Waterloo microAPL, microFORTRAN, microBASIC,
microPASCAL, microCOBOL), and
microEDITOR a
modal text
editor Video Discrete TTL...
