دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: see equivalent weight.

abbr: equivalents per million. EP mix abbr: ethane-propane mix.

equivalents per million. The epm is equal to the ppm divided by the equivalent weight.

n: the atomic or formula weight of an element, compound, or ion divided by its valence. Elements entering into combination always do so in quantities proportional to their equivalent weights.

n: The atomic weight or formula weight of an element, compound, or ion divided by its valence. Elements entering into combination always do so in quantities to their equivalent weights. Also known as combining weight.

the atomic or formula weight of a material.

n: (epm) the unit chemical weight of solute per million unit weights of solution. The epm of a solute in solution is equal to the ppm (parts per million) divided by the equivalent weight.