impureté

Traductions

• anglais

  Auteur : Office québécois de la langue française, 1973

  Définition

  The presence of any foreign material in a drilling fluid which may tend to change the properties of the drilling fluid, such as cement, anhydrite, salt, shale cuttings, etc. Brantly, 1. Applied to magmas and denoting the addition of foreign rock material, as by assimilation of wall rock. The accidental introduction of foreign, deleterious matter any stage in the enameling process. This may be caused by unclean mills, dirt, furnace scale, etc. (...) The act or process of a substance being diluted or admixed with another material, which may render the original substance unfit for use.

  Termes :

  1. contamination
  2. impurity