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Furthermore , evidence is provided to support the proposed theory that the observed chemical heterogeneity coincident with dislocation cell structures is actually the result of local , strain energy density induced solid state diffusion .
 application: support; concept or principle: chemical heterogeneity; concept or principle: dislocation; application: cell; machanical property: strain; process parameter: energy density; concept or principle: solid state diffusion
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: manufacturing standard, machanical property, manufacturing process, material, engineering feature, process parameter, machine or equipment, application, process characterization, enabling technology, biomedical, concept or principle 
Text: {0} 
 Entities: support, chemical heterogeneity, dislocation, cell, strain, energy density, solid state diffusion 
Answer:
 application: support; concept or principle: chemical heterogeneity; concept or principle: dislocation; application: cell; machanical property: strain; process parameter: energy density; concept or principle: solid state diffusion