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Official Journal of the Japan Wood Research Society

Journal of Wood Science Cover Image
Fig. 4 | Journal of Wood Science

Fig. 4

From: Effects of preheating temperature, preheating time and their interaction on the sandwich structure formation and density profile of sandwich compressed wood

Fig. 4

Soft X-ray images and SEM micrographs of transverse section of sandwich compressed wood. Three sandwich structure formation types: (I) surface layer sandwich compressed wood, (II) internal layer, and (III) central layer; a, c, e magnifications of compressed layer; b, d uncompressed layer; f both compressed and uncompressed layers

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