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Key messageAbies albaknot extractive concentration increase from tree tip to living crown base and from tight to loose knot parts. The fitted model is proposed for further eco-physiological studies. Abstract The physiological and ecological mechanisms controlling the knot richness in extractives require further investigations. We aim to design a model of the vertical distribution of the knot extractive...
Alkaline and aqueous extractions of padouk and movingui sawdust were performed in this study with the aim of using to dye cotton fabric, wood viscose and bamboo viscose textiles. Coloration was carried out without a mordant. Colored materials were washed with soap and the extent of staining was measured fifteen days later using a Datacolor D65°10 apparatus. The parameters L*, a*, b* were measured...
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