Sunday, January 25, 2015

Psychrometrics

Psychrometrics or psychrometry or Hygrometry are terms used to describe the field of engineering concerned with the determination of physical and thermodynamic properties of gas-vapor mixtures. The term derives from the Greek psuchron (ψυχρόν) meaning "cold" and metron (μέτρον) meaning "means of measurement".

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Dobro

  Dobro is an American brand of resonator guitars owned by Gibson and manufactured by its subsidiary Epiphone . The term "dobro&quo...