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Date/Time Thumbnail Dimensions User Comment; current: 21:17, 2 May 2008: 626 × 399 (158 KB): Bibi Saint-Pol {{Information |Description= {{en|Simple diffusion, the movement of particles from an area where their concentration is high to an area that has low concentration. one of the diferent ways in wich molecules move in cells.}} |Source=Own work.
Diffusion occurs through the walls of the vessels due to a concentration gradient, allowing the necessary exchange of ions, molecules, or blood cells. The permeability of a capillary wall is determined by the type of capillary and the surface of the endothelial cells. A continuous, tightly spaced endothelial cell lining only permits the ...
The concept of diffusion is widely used in many fields, including physics (particle diffusion), chemistry, biology, sociology, economics, statistics, data science, and finance (diffusion of people, ideas, data and price values). The central idea of diffusion, however, is common to all of these: a substance or collection undergoing diffusion ...
Multicomponent diffusion is diffusion in mixtures, and diffusiophoresis is the special case where we are interested in the movement of one species that is usually a colloidal particle, in a gradient of a much smaller species, such as dissolved salt such as sodium chloride in water. or a miscible liquid, such as ethanol in water.
English: Schematic diffusion profile of an element across growth zones of an igneous mineral; graph depicts position (x) and concentration (C). The blue zones are representative of igneous growth zones of a mineral, with an initially sharp concentration gradient between zones (represented by dashed blue line on graph).
The following other wikis use this file: Usage on de.wikipedia.org Diffusion; Usage on de.wikiversity.org Diffusion/Physikalische Grundlagen; Usage on es.wikipedia.org
11. A memory phone can store photos with names and contact information. 12. Puzzles and activity books stimulate the brain and promote cognitive sharpness.. 13. Card games and board games ...
Passive diffusion across a cell membrane.. Passive transport is a type of membrane transport that does not require energy to move substances across cell membranes. [1] [2] Instead of using cellular energy, like active transport, [3] passive transport relies on the second law of thermodynamics to drive the movement of substances across cell membranes.
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