MutonkoleSenga2013

Référence

Mutonkole Senga, P. (2013) Caractérisation chimique de bois de tiges et de branches de Trema orientalis (L.) Blume et de Leucaena leucocephala (Lam.) de Wit. Mémoire de maîtrise, Université Laval. (URL )

Résumé

The chemical characterization of ramial chipped wood (RCW) and of the T. orientalis and the L. leucocephala stem woods has shown a higher degree of lignification in the branches of Trema than in the stem woods whereas reverse results have been found for the Leucaena. Besides, higher rates in ashes have been found in the branches than in the trunk, with values globally higher for Trema. The C/N ratio, determined by elementary analysis, has revealed higher values for stem wood than for the RCW of the two species. In contrast, the lignin/N ratio of the branches, naturally low, for the two species, has led to the prediction stating that the decomposition of the lignin-cellulosic matter of the branches would be faster than that of the stem wood. Besides, best ratio C/N and lignin/N have been found for Leucaena. At last, several identical compounds, derivatives of the lignin, have been mostly identified in the stem wood as in the RCW.

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@MASTERSTHESIS { MutonkoleSenga2013,
    TITLE = { Caractérisation chimique de bois de tiges et de branches de Trema orientalis (L.) Blume et de Leucaena leucocephala (Lam.) de Wit },
    AUTHOR = { Mutonkole Senga, P. },
    SCHOOL = { Université Laval },
    YEAR = { 2013 },
    NOTE = { CEFTMS, Khasa, D.P. },
    ABSTRACT = { The chemical characterization of ramial chipped wood (RCW) and of the T. orientalis and the L. leucocephala stem woods has shown a higher degree of lignification in the branches of Trema than in the stem woods whereas reverse results have been found for the Leucaena. Besides, higher rates in ashes have been found in the branches than in the trunk, with values globally higher for Trema. The C/N ratio, determined by elementary analysis, has revealed higher values for stem wood than for the RCW of the two species. In contrast, the lignin/N ratio of the branches, naturally low, for the two species, has led to the prediction stating that the decomposition of the lignin-cellulosic matter of the branches would be faster than that of the stem wood. Besides, best ratio C/N and lignin/N have been found for Leucaena. At last, several identical compounds, derivatives of the lignin, have been mostly identified in the stem wood as in the RCW. },
    URL = { https://corpus.ulaval.ca/jspui/handle/20.500.11794/23962 },
    TIMESTAMP = { 2019-10-08 },
}

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