The diversification of chemical composition of pine wood depending on the tree age
Journal Title: Annals of WULS, Forestry and Wood Technology; Zeszyty naukowe SGGW - Year 2015, Vol 91, Issue
Abstract
The diversification of chemical composition of pine wood depending on the tree age. The chemical composition of pine wood at different ages was studied. Sapwood and heartwood were divided into two zones depending on growth rings. Variation in the content of the main components of wood was observed. With age, the content of cellulose in the tree increases, while the content of holocellulose decreases. Irrespective of tree age a greater amount of lignin was found in pine heartwood than in sapwood
Authors and Affiliations
BOGUSŁAWA WALISZEWSKA, WŁODZIMIERZ PRĄDZYŃSKI, MAGDALENA ZBOROWSKA, AGATA STACHOWIAK-WENCEK, Hanna Waliszewska, AGNIESZKA SPEK-DŹWIGAŁA
Keywords
Related Articles
- EP ID EP360627
- DOI -
- Views 59
- Downloads 0
Compreg - machinability during drilling
Compreg – machinability during drilling. The article presents the results of tests of machinability of compreg. Machinability was evaluated during drilling. The value of the axial force and cutting torque for 7 variants...
Artificial UV light influence on the colour of chemically modified and thermo - mechanically processed oak (Quercus robur L.) and locust wood (Robinia pseudoacacia L.)
Artificial UV light influence on the colour of chemically modified and thermo - mechanically processed oak wood (Quercus robur L.) and locust wood (Robinia pseudoacacia L.). The oak and locust wood was treated with ammon...
Determination of surface free energy of selected tropical wood species from Africa
Determination of surface free energy of selected tropical wood species from Africa In this study surface free energy selected tropical wood species was determined. The aim of this paper was to compare surface properties...
The Strength Determination of Corner joints used for Wooden Windows
The Strength Determination of Corner joints used for Wooden Windows. The work is aimed at the methodical procedure assessment of rectangular corner joints applied on window casement and its strength. Mechanical propertie...
Research on the effectiveness of selected species of white-rot fungi and bacteria in the biodegradation of creosote oil
Research on the effectiveness of selected species of white-rot fungi and bacteria in the biodegradation of creosote oil. The aim of this study was to determine degradation effectiveness of polycyclic aromatic hydrocarbon...