Zobrazeno 1 - 10
of 62
pro vyhledávání: '"Ladislav Dzurenda"'
Autor:
Ladislav Dzurenda, Michal Dudiak
Publikováno v:
Forests, Vol 15, Iss 6, p 1009 (2024)
This work presents the results of the homogenization of the color of sapwood and false heartwood Fagus sylvatica L. into a uniform color shade due to the influence of the temperature of saturated moist air and saturated water steam in individual stea
Externí odkaz:
https://doaj.org/article/57d8951bba7a47239002b76eda89ef53
Publikováno v:
Forests, Vol 15, Iss 1, p 45 (2023)
The presented paper deals with a mutual comparison of the roughness of the sanded radial surface after an eccentric and a belt sander. The beech wood (Fagus sylvatica L.) was sanded with an eccentric sander ETS 125 REQ-PLUS and a belt sander BS-75 E-
Externí odkaz:
https://doaj.org/article/c4bc1c6aa0244eb692d57f52957c9419
Autor:
Ladislav Dzurenda, Michal Dudiak
Publikováno v:
Drvna Industrija, Vol 73, Iss 3, Pp 289-297 (2022)
Alder wood (Alnus glutinosa 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 to obtain a pale brown colour, a light red-brown colour and a dark brown-grey colour. Sub
Externí odkaz:
https://doaj.org/article/ccf3b1d440334e82800804e16aa37a05
Autor:
Ladislav Dzurenda
Publikováno v:
Forests, Vol 14, Iss 6, p 1103 (2023)
In this contribution, the color of dry beech wood from the zone, sapwood, mature wood and false heartwood of Fagus sylvatica L. trees was analyzed, and the measurement values were statistically processed in relation to the lightness coordinate L* as
Externí odkaz:
https://doaj.org/article/9c07204d1a804e348cc33a78a33cf715
Publikováno v:
Forests, Vol 14, Iss 6, p 1123 (2023)
The article presents the differences in some physical and chemical properties of wood with false heartwood, mature wood, and sapwood of Fagus sylvatica L.: density of wood in the dry state, color in the color space CIE L*a*b* on the tangential surfac
Externí odkaz:
https://doaj.org/article/f4eb72dac4f346f4aa9442aff6c2cfd9
Publikováno v:
Polymers, Vol 14, Iss 9, p 1697 (2022)
This paper presents the differences in the color changes of unsteamed and steamed beech wood (Fagus sylvatica L.) caused by long-term exposure to sunlight on the surface of wood in interiors for 36 months. The light white-gray color of the yellow tin
Externí odkaz:
https://doaj.org/article/b2efe6f21b594eeba313be1bd0efb323
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:
Energies, Vol 14, Iss 21, p 7433 (2021)
This paper puts forward a methodology for calculating the duration and energy efficiency of regimes for autoclave steaming of wooden prisms for veneer production at limited heat power of the steam generator, depending on the dimensions of the prism
Externí odkaz:
https://doaj.org/article/e89f5842b1144b35be78af54e1e288b2
Publikováno v:
Drvna Industrija, Vol 67, Iss 4, Pp 381-391 (2017)
A methodology has been suggested for mathematical modeling and research of two mutually connected problems: the temperature distribution along the thickness of flat wood details subjected to unilateral heating and the energy consumption of this proce
Externí odkaz:
https://doaj.org/article/ead2a3f5f70140ec9a82a40b703af16c
Autor:
Ladislav Dzurenda, Ľubomír Pňakovič
Publikováno v:
BioResources, Vol 11, Iss 3, Pp 6464-6476 (2016)
The influence of the burning temperature was evaluated for the non-volatile combustible content of wood and bark of plantation-grown trees, at temperature intervals ranging from 500 °C to 1000 °C relative to ash production and the concentration of
Externí odkaz:
https://doaj.org/article/2e9738160dd6461d9076e46f0ac1d89c