Preferred Label : fractional change of a quantity;
IUPAC definition : A term which may be expressed infinitesimally at time t by the differential dQ(t)/Q(t).
For a finite time interval the quotient is \[\frac{Δ Q\left(t_{1};t_{2}\right)}{Q\left(t_{1}\right)}
\frac{\left[Q\left(t_{2}\right)\,-\,Q\left(t_{1}\right)\right]}{Q\left(t_{1}\right)}\]
The quantities Q t 1 and Q t 2 are of the same kind and have the same type of component.
Fractional change has dimension one. Examples are: mass fractional change, dm(t)/m(t);
amount of substance fractional change, dn(t)/n(t).;
Origin ID : F02495;
See also
A term which may be expressed infinitesimally at time t by the differential dQ(t)/Q(t).
For a finite time interval the quotient is \[\frac{Δ Q\left(t_{1};t_{2}\right)}{Q\left(t_{1}\right)}
\frac{\left[Q\left(t_{2}\right)\,-\,Q\left(t_{1}\right)\right]}{Q\left(t_{1}\right)}\]
The quantities Q t 1 and Q t 2 are of the same kind and have the same type of component.
Fractional change has dimension one. Examples are: mass fractional change, dm(t)/m(t);
amount of substance fractional change, dn(t)/n(t).
