| 释义 |
pervaporation
per·vap·o·ra·tion P5230750 (pər-văp′ə-rā′shən)n. Separation of a mixture in which a component is diffused through a semipermeable membrane and evaporated.
[per- + (e)vaporation (on the model of permeation).]Thesaurus| Noun | 1. | pervaporation - the concentration of a colloidal solution whose colloid will not pass through a semipermeable membrane; solution is placed in a bag of the membrane and the solvent is evaporated offconcentration - strengthening the concentration (as of a solute in a mixture) by removing diluting material |
pervaporation
pervaporation[pər‚vap·ə′rā·shən] (chemistry) A chemical separation technique in which a solution is placed in contact with a heated semipermeable membrane that selectively retains one of the components of a solution. pervaporation
per·vap·o·ra·tion (per'vap-ō-rā'shŭn), The heating of a liquid within a dialyzing bag suspended over a hot plate, evaporation taking place rapidly through the membrane; any colloids in solution remain within the bag while crystalloids diffuse out and crystallize on the outer surface of the bag (perstillation). [L. per, through, + vapor, steam] pervaporation
Words related to pervaporationnoun the concentration of a colloidal solution whose colloid will not pass through a semipermeable membraneRelated Words |