concentration gradient

   The change in solute concentration per unit distance in solute. Concentration gradients cause Fickian diffusion (spreading) of solutes from regions of highest to regions of lowest concentrations. In slowing moving ground water, this is the dominant mixing process [22].

A Lexicon of Cave and Karst Terminology with Special Reference to Environmental Karst Hydrology. . 2002.

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  • concentration gradient — noun a gradient in concentration of a solute as a function of distance through a solution the movement of a solute down its concentration gradient is called diffusion • Hypernyms: ↑gradient …   Useful english dictionary

  • concentration gradient — koncentracijos gradientas statusas T sritis fizika atitikmenys: angl. concentration gradient vok. Konzentrationsgradient, m rus. градиент концентрации, m pranc. gradient de la concentration, m …   Fizikos terminų žodynas

  • concentration gradient — variation in the concentration of a solute over a distance or on two sides of a permeable barrier …   Medical dictionary

  • gradient — [ gradjɑ̃ ] n. m. • 1876; du rad. du lat. gradus « degré », d apr. quotient I ♦ Sc. Taux de variation (d une grandeur physique) en fonction de la distance. 1 ♦ Météor., géogr. Gradient de température : variation de la température en fonction de l …   Encyclopédie Universelle

  • Gradient — Gra di*ent, n. 1. The rate of regular or graded ascent or descent in a road; grade. [1913 Webster] 2. A part of a road which slopes upward or downward; a portion of a way not level; a grade. [1913 Webster] 3. The rate of increase or decrease of a …   The Collaborative International Dictionary of English

  • gradient maker — Gradient Gra di*ent, n. 1. The rate of regular or graded ascent or descent in a road; grade. [1913 Webster] 2. A part of a road which slopes upward or downward; a portion of a way not level; a grade. [1913 Webster] 3. The rate of increase or… …   The Collaborative International Dictionary of English

  • Gradient post — Gradient Gra di*ent, n. 1. The rate of regular or graded ascent or descent in a road; grade. [1913 Webster] 2. A part of a road which slopes upward or downward; a portion of a way not level; a grade. [1913 Webster] 3. The rate of increase or… …   The Collaborative International Dictionary of English

  • Gradient (disambiguation) — Gradient may refer to:* Gradient, in vector calculus, a vector field representing the maximum rate of increase of the scalar field direction of the maximum change. * Slope or grade, referring to the inclination of a road or other geographic… …   Wikipedia

  • gradient de la concentration — koncentracijos gradientas statusas T sritis fizika atitikmenys: angl. concentration gradient vok. Konzentrationsgradient, m rus. градиент концентрации, m pranc. gradient de la concentration, m …   Fizikos terminų žodynas

  • Gradient De Concentration — Lorsque la concentration d un composé chimique ou d un ion est différente d un côté à l autre d une membrane, cela crée un gradient de concentration. Les cellules l utilisent pour créer un flux de diffusion de la matière dans différents… …   Wikipédia en Français

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