Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Michał Drożdżek"'
Autor:
Monika Aniszewska, Arkadiusz Gendek, Barbora Tamelová, Jan Malaťák, Jan Velebil, Jozef Krilek, Iveta Čabalová, Ireneusz Mikłaszewicz, Witold Zychowicz, Michał Drożdżek, Andrzej Mazurek
Publikováno v:
Forests, Vol 15, Iss 3, p 485 (2024)
The objective of the present work was to determine the physico-mechanical and energy properties of pine (Pinus sylvestris) and beech (Fagus sylvatica) wood from railroad ties. The ties were divided into internal and external parts as well as into par
Externí odkaz:
https://doaj.org/article/5cb4c56967fe49bfa5d9dedacdbf5e26
Autor:
Maciej Jerzy Bernacki, Jakub Mielecki, Andrzej Antczak, Michał Drożdżek, Damian Witoń, Joanna Dąbrowska-Bronk, Piotr Gawroński, Paweł Burdiak, Monika Marchwicka, Anna Rusaczonek, Katarzyna Dąbkowska-Susfał, Wacław Roman Strobel, Ewa J. Mellerowicz, Janusz Zawadzki, Magdalena Szechyńska-Hebda, Stanisław Karpiński
Publikováno v:
Cells, Vol 12, Iss 16, p 2018 (2023)
Production of biofuel from lignocellulosic biomass is relatively low due to the limited knowledge about natural cell wall loosening and cellulolytic processes in plants. Industrial separation of cellulose fiber mass from lignin, its saccharification
Externí odkaz:
https://doaj.org/article/bb809871031241888e8907941d122c66
Publikováno v:
Materials, Vol 15, Iss 22, p 7949 (2022)
The thermal modification of wood in a nitrogen atmosphere shapes the functional properties of wood. The aim of this research was to determine the influence of different levels of temperature and the duration of thermal modification on the mechanical
Externí odkaz:
https://doaj.org/article/a10481b1e3c843a9848a7f51ba95c046
Autor:
Izabela Betlej, Andrzej Antczak, Jan Szadkowski, Michał Drożdżek, Krzysztof Krajewski, Andrzej Radomski, Janusz Zawadzki, Sławomir Borysiak
Publikováno v:
Polymers, Vol 14, Iss 10, p 2032 (2022)
The influence of bacterial cellulose gel film pretreatment methods on the efficiency of enzymatic hydrolysis was investigated. An increase in the efficiency of enzymatic hydrolysis due to liquid hot water pretreatment or steam explosion was shown. Th
Externí odkaz:
https://doaj.org/article/8e6dd886dfca44218c26dd5fe598f44b
Publikováno v:
Materials, Vol 15, Iss 3, p 824 (2022)
Thermal modification of wood in nitrogen atmosphere permits its usability value to be improved. The aim of the research was to determine the impact of technological modification parameters at different levels on the colour of black poplar (Populus ni
Externí odkaz:
https://doaj.org/article/9b1af86b5f6b4fc199d2d893666851f6
Publikováno v:
BioResources, Vol 12, Iss 1, Pp 597-607 (2016)
The main objective of this research was to investigate tropical wood sorptive properties. For selected tropical wood species (courbaril, ipe, light red meranti, merbau, tatajuba, and teak), the equilibrium moisture content was determined at 20 °C an
Externí odkaz:
https://doaj.org/article/64ecd33541cb4678a4a52c80b9d66184
Publikováno v:
Materials, Vol 14, Iss 6, p 1491 (2021)
Black poplar (Populus nigra L.) was thermally modified in nitrogen atmosphere. The effects of the modification process on poplar wood were evaluated for temperatures: 160 °C, 190 °C, and 220 °C applied for 2 h; and 160 °C and 190 °C for 6 h. The
Externí odkaz:
https://doaj.org/article/9371a7c6f5d64b5ab2bce8a269143c0b
Autor:
Joni Tapani Lehto, Jarmo Louhelainen, Hannu Pakkanen, Petteri Malkavaara, Teresa Kłosińska, Michał Drożdżek, Raimo Alén
Publikováno v:
BioResources, Vol 11, Iss 2, Pp 4621-4632 (2016)
Alkaline pre-treatments were performed for the production of organics-containing effluents from silver/white birch (Betula pendula/pubescens) and Scots pine (Pinus sylvestris) chips prior to chemical pulping. Pre-treatment conditions were varied with
Externí odkaz:
https://doaj.org/article/dbe6c22be5884d439d838a115b1c504f
Publikováno v:
Annals of WULS, Forestry and Wood Technology. 117:89-96
Influence of thermal modification in nitrogen atmosphere on the gloss of black poplar (Populus nigra L.). Heat treatment of wood is a process to which improve mechanical and physical properties. During this treatment is observed changes aesthetic pro
Autor:
Donata Krutul, Andrzej Radomski, Andrzej Antczak, Michał Drożdżek, Teresa Kłosińska, Dominika Szadkowska, Janusz Zawadzki
Publikováno v:
WOOD RESEARCH 66(2): 2021. 66:203-210
The pine stems were cut from three different polluted environments – Ist trees degradation degree (weak pollution), IInd trees degradation degree (strong pollution) and IIIrd trees degradation degree (connected with very strong pollution). On the b