<complexType name="DiffusionCoefficientMeasureType">
<annotation>
<documentation>Diffusion coefficient or diffusivity: Rate of diffusive mass transport. Used in geotechnical consolidation theory, groundwater contamination, and materials science. Common units include m²/s and cm²/s.</documentation>
</annotation>
<simpleContent>
<extension base="diggs:DescriptorValueType">
<attribute name="uom" type="diggs:DiffusionCoefficientUomEnumType">
<annotation>
<documentation>The unit of measure for diffusion coefficient or diffusivity.</documentation>
</annotation>
</attribute>
</extension>
</simpleContent>
</complexType>
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