English Dictionary
◊ DID YOU MEAN PH SCALE?
pH scale
n : p(otential of) H(ydrogen); the logarithm of the reciprocal
of hydrogen-ion concentration in gram atoms per liter;
used as a measure of the acidity or alkalinity of a
solution on a scale of 0-14 (where 7 is neutral) [syn: {pH},
{pH scale}]
English-Vietnamese Mining Dictionary
◊ TO SCALE
◊to scale
vẽ theo tỷ lệ