|
nanovolt
|
UO_0000250 |
[An electric potential difference unit which is equal to one billionth of a volt or 10^[-12] V.] |
|
nautical mile
|
UO_0010022 |
[A maritime length unit which is equal to 6,080 feet, 10 cables, or 1,853.184 metres] |
|
newton
|
UO_0000108 |
[A force unit which is equal to the force required to cause an acceleration of 1m/s2 of a mass of 1 Kg in the direction of the force.] |
|
newton per meter
|
UO_0000254 |
[A surface tension unit which is equal to one newton per meter.] |
|
normal
|
UO_0000075 |
[A unit of concentration which is one gram equivalent of a solute per liter of solution. A gram equivalent weight or equivalent is a measure of the reactive capacity of a given molecule.] |
|
ounce
|
UO_0010033 |
[An imperial mass unit which is equivalent to 28.349,523,125 grams, or 1/16 of 1 pound.] |
|
pH
|
UO_0000196 |
[A dimensionless concentration notation which denotes the acidity of a solution in terms of activity of hydrogen ions (H+).] |
|
parts per billion
|
UO_0000170 |
[A dimensionless concentration notation which denotes the amount of a given substance in a total amount of 1,000,000,000 regardless of the units of measure as long as they are the same or 1 part in 10^[9].] |
|
parts per hundred
|
UO_0000167 |
[A dimensionless concentration notation which denotes the amount of a given substance in a total amount of 100 regardless of the units of measure as long as they are the same.] |
|
parts per million
|
UO_0000169 |
[A dimensionless concentration notation which denotes the amount of a given substance in a total amount of 1,000,000 regardless of the units of measure used as long as they are the same or 1 part in 10^[6].] |
|
parts per quadrillion
|
UO_0000172 |
[A dimensionless concentration notation which denotes the amount of a given substance in a total amount of 1,000,000,000,000 regardless of the units of measure used as long as they are the same or 1 part in 10^[15].] |
|
parts per thousand
|
UO_0000168 |
[A dimensionless concentration notation which denotes the amount of a given substance in a total amount of 1000 regardless of the units of measure as long as they are the same.] |
|
parts per trillion
|
UO_0000171 |
[A dimensionless concentration notation which denotes the amount of a given substance in a total amount of 1,000,000,000 regardless of the units of measure used as long as they are the same or 1 part in 10^[12].] |
|
pascal
|
UO_0000110 |
[A pressure unit which is equal to the pressure or stress on a surface caused by a force of 1 newton spread over a surface of 1 m^[2].] |
|
pascal second
|
UO_0000257 |
[A viscosity unit which is equal to one pascale per second.] |
|
perch
|
UO_0010023 |
[An area unit which is equal to an area of 25.292,852,64 square meters, or 1 square rod.] |
|
pi
|
UO_0000188 |
[A dimensionless unit which denoted an irrational real number, approximately equal to 3.14159 which is the ratio of a circle's circumference to its diameter in Euclidean geometry.] |
|
picoampere
|
UO_0010054 |
[An electric current unit current which is equal to one trillionth of an ampere or 10^[-12] A.] |
|
picogram
|
UO_0000025 |
[A mass unit which is equal to 10^[-12] g.] |
|
picoliter
|
UO_0000103 |
[A volume unit which is equal to 10^[-12] L.] |