TERMIUM Plus®

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DIFFUSION TRANSMEMBRANAIRE [1 record]

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Record 1 2005-05-25

English

Subject field(s)
  • Industrial Techniques and Processes
  • Food Industries
CONT

Diffusion takes place by a cooperative action of the surrounding complex of molecules during which the diffusing molecule passes over a potential barrier separating one position from the next.

French

Domaine(s)
  • Techniques industrielles
  • Industrie de l'alimentation
DEF

Phénomène au cours duquel le transfert de matière au travers d'une membrane s'effectue par déplacement des molécules dans la membrane sous l'action d'un gradient de concentration, de pression, de potentiel chimique ou de potentiel électrique.

OBS

Le transfert de matière transmembranaire s'effectue par diffusion en osmose inverse, en pervaporation et en électrodialyse où les membranes utilisées sont denses.

Spanish

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