| 释义 |
Helmholtz double layer Helmholtz double layer[′helm‚hōlts ¦dəb·əl ′lā·ər] (physics) An electrical double layer of positive and negative charges one molecule thick which occurs at a surface where two bodies of different materials are in contact, or at the surface of a metal or other substance capable of existing in solution as ions and immersed in a dissociating solvent. |