# PDT Sentence Examples

- Buti o
**Pdt**= P is the normal pressure, and as we only wish to find the excess we may leave this out of account. - DE, namely, dE =dP+(s' - s")dT = (P/T)dT =
**pdT**= (p" - p')dT, in which the coefficient, P, of the Peltier effect, and the thermoelectric power, p, of the couple, may be expressed in terms of the difference of the thermoelectric powers, p and p", of the separate metals with respect to a neutral standard.