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<p>and the <a href="page.php?w=binding_energy">binding energy</a> that keep it attached to the surface. </p>

<p>Desorption is the reverse of the process of <a href="page.php?w=adsorption">adsorption</a>, which differs from absorption in that adsorption refers to substances bound to the surface, rather than being <a href="page.php?w=absorption_%28chemistry%29">absorbed</a> into the bulk.  </p>

<p>Desorption can occur from any of several processes, or a combination of them: it may result from <a href="page.php?w=heat">heat</a> (<a href="page.php?w=thermal_energy">thermal energy</a>);</p><p>
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