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Cellular Structure Detection of Tree by Direct Current CT Technology

With direct current CT technology,the detection experiment among different tree species has been carried out for the sake of studying the imaging results of inner structure of tree trunks.Ideal resistivity distribution profiles have been obtained by the process of data collecting with the Network Parallel Galvanic Exploration System initially and curvature correction for modifying electrical parameters then.By contrast,the conclusion can be drawn that there's a large variation range among three kind of trees in resistivity.Besides,the internal electrical distribution of tree trunk is that resistivity of the trunk profile is higher inside,and lower outside respectively.Related technical parameters can be provided by resistivity distribution characteristics for diagnosing health symptoms of trees.