ISO 31-12
Encyclopedia
ISO 31-12 gives name, symbol and definition for 25 selected characteristic number
s used for the description of transport phenomena.
Number
A number is a mathematical object used to count and measure. In mathematics, the definition of number has been extended over the years to include such numbers as zero, negative numbers, rational numbers, irrational numbers, and complex numbers....
s used for the description of transport phenomena.
- http://www.iso.org/iso/catalogue_detail.htm?csnumber=3655