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Melamine is a chemical compound generating a very characteristic Raman signature. This component is fraudulently added to milk to artificially increase its nitrogen content (and thereby its apparent protein content). In this paper, we evaluate the ability of a specific wide‐field Fourier‐based Raman imaging system to identify melamine. The melamine is studied in powder form or diluted and dried out...
Evidences exist that the spatial variability of soil organic carbon (SOC) in cropland is partially controlled by environmental or human factors acting on a field basis (e.g., agricultural management, landuse history, landscape structure). However, few studies have quantified the relative importance of the fields-related variability at the regional scale. Recent airborne hyperspectral imagery methods...
The spatial distribution of soil properties often displays complex and multiscale patterns of variation. It results from multiple soil processes acting simultaneously but at different scales. Hence, characterizing the influence of a given controlling factor on the soil property is made more difficult by the variation due to other controlling factors. In this context, separating the variation of the...
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