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Medical Definition of Displacements per atom
1. (dpa) This is a measure of the amount of radiation damage in neutron-irradiated materials, for example, 10 dpa means each atom in the material has been displaced from its site within the structural lattice of the material an average of 10 times (due to interactions between the atoms and the energetic neutrons irradiating the material.) (09 Oct 1997)
Lexicographical Neighbors of Displacements Per Atom
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