concentration gradient


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Related to concentration gradient: active transport, Facilitated diffusion

concentration gradient

[‚kän·sən′trā·shən ‚grād·ē·ənt]
(chemistry)
The graded difference in the concentration of a solute throughout the solvent phase.
References in periodicals archive ?
Phase transition is accompanied by establishment of a concentration gradient of salt in the surrounding of the growing crystal.
The next section aims to show that this intuitive picture of diffusion process will be inferred together with the concentration gradient law through eqs.
There is a steep concentration gradient for oxygen to diffuse from the alveoli (100mmHg) to the pulmonary capillaries (40mmHg).
Enhanced vertical plume flow reduces the error associated with assuming that convection is induced by changes in density due to temperature variation, neglecting the effect of the contaminant indirectly diffusing down concentration gradients when convection flows are slow.
As oxygen diffuses along its concentration gradient from the alveoli to the mixed-venous blood, oxygen physically dissolves in the plasma according to Henry's Law of Solubility.
Predict the effect that the concentration gradient has on the rate of osmosis by using the computer-generated graphs.
Therefore, it is a reasonable assumption that the concentration gradient exists only around the collector of the passive sampler.
Age, height, diet, motility, concentration gradients, site of puncture, diurnal variations, and even season at time of birth have been suggested to affect measured concentrations (58, 59).
This overall increase and the lack of concentration gradient are not consistent with a Fickian-based diffusion mechanism.
This includes the structure, the nitrogen content and thickness of the compound zone, the final concentration of the new elements added to the surface and the nitrogen concentration gradient in the diffusion zone.
The migration of IPBC over the paint film cross section is following the concentration gradient

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