| 摘要 |
The process allows to record onto a photographic emulsion or to visualize on a monitor, by means of a camera provided with a suitable sensor-detector, the different optic phenomena activated, on the surface to be investigated, by the I.R and U.V. radiations, so as to obtain quality information of extensive kind and not destructive or invasive manner for reaching, through a comparison with the visible image, the realization of homogeneity and non-homogeneity maps provided with the spectral absorption, reflection and transmission of the different elements present in the surface and in the layers immediately below said surface.
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