Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Eva Výbohová"'
Publikováno v:
Journal of Wood Science, Vol 70, Iss 1, Pp 1-15 (2024)
Abstract This work deals with the influence of different heat treatment temperatures (140, 150, 160, 170, 180, 190, 200, and 210 °C) on changes in sapwood and red heartwood of European beech (Fagus sylvatica L.). According to the results of wet chem
Externí odkaz:
https://doaj.org/article/76be92f9fb5a41f0955edf34c77af734
Publikováno v:
Polymers, Vol 14, Iss 1, p 217 (2022)
The wood of maple (Acer Pseudopatanus L.) was steamed with a saturated steam-air mixture at a temperature of t = 95 °C or saturated steam at t = 115 °C and t = 135 °C, in order to give a pale pink-brown, pale brown, and brown-red color. Subsequent
Externí odkaz:
https://doaj.org/article/9c32d9e88a3143b89e112daf0fe02b13
Publikováno v:
BioResources, Vol 11, Iss 4, Pp 9079-9094 (2016)
European silver fir (Abies alba L.) wood was heat-treated in an oven for 60 min at seven different temperatures of 100 °C, 150 °C, 200 °C, 220 °C, 240 °C, 260 °C, and 280 °C under atmospheric pressure in the presence of air. The effect of ther
Externí odkaz:
https://doaj.org/article/2e2c60f6b1a5449dba2fcb2251979c7e
Publikováno v:
Forests, Vol 11, Iss 4, p 478 (2020)
The aim of this work was to evaluate the changes of the chemical components in birch wood (Betula pendula Roth) caused by steaming with saturated steam at three temperatures—105 °C, 125 °C and 135 °C. In the samples of the original wood and wood
Externí odkaz:
https://doaj.org/article/05532a9fd5ac4d4db9ecc913b7178d09
Autor:
Petr Čermák, Jan Baar, Jakub Dömény, Eva Výbohová, Radim Rousek, Petr Pařil, Anna Oberle, Iveta Čabalová, Dominik Hess, Michal Vodák, Martin Brabec
Publikováno v:
Holzforschung. 76:437-450
The wood-water interactions of modified beech wood (Fagus sylvatica L.) were studied. Specimens were thermally modified at 180 (TM1), 200 (TM2) and 220 °C (TM3), acetylated (Acet), and melamine formaldehyde (MF) resin (Mel) modified. Afterwards, the
Autor:
Rastislav Igaz, Antonios Papadopoulos, Frantisek Kacik, Ľuboš Krišťák, Eva Výbohová, Petar Antov, Iveta Čabalová
Publikováno v:
Wood Material Science & Engineering. 17:366-375
This research work aims to investigate the effects of thermal modification and wood cutting direction (transverse, radial and tangential) on the content of extractives, lignin, cellulose, and hemicelluloses, and on the thermal conductivity of Norway
Autor:
Emília Orémusová, Eva Výbohová
Publikováno v:
WOOD RESEARCH 66(2): 2021. 66:243-254
Scots pine (Pinus sylvestris L.) and Sessile oak (Quercus petraea L.) wood were thermally treated in an oven at the temperatures of 160°C, and 200°C under atmospheric pressure in the presence of air for 3 and 9 hrs. The mass loss and gross calorifi
Publikováno v:
BioResources. 15:38-48
The chemical properties of willow were studied following liquid hot water pretreatment. Three different temperatures of liquid hot water pretreatment were used (160, 180, and 200 °C) for periods of 30, 60, 120, and 240 min. The contents of extractiv
Publikováno v:
BioResources. 13:5862-5874
Chemical changes resulting from the thermal treatment of maple wood (Acer platanoides L.) through various steaming techniques were evaluated. Main wood components were isolated and characterized from the maple wood samples after steaming. Then, the i
Publikováno v:
Industrial Crops and Products. 91:22-31
Liquid hot water pretreatment modifies the physiochemical features of plant cell walls, including cell wall chemistry and composition, as well as cellulose and lignin ultrastuctures. This study was designed to assess how the presence of insoluble lig