WOOD RESEARCH
59(4): 2014
Wood Research publishes original papers aimed at recent advances in all branches of wood science (biology,
chemistry, wood physics and mechanics, mechanical and chemical processing etc.) Authors are responsible for the
fact that the paper has not been published before and it is not under consideration for publication elsewhere.
EDITORS:
Štefan ŠTELLER, Slovak Forest Products Research Institute, Lamačská cesta 3, SK-841 04 Bratislava,
Slovak Republic.
Marián BABJAK, Technical University in Zvolen, Masarykova 24, SK-960 53 Zvolen, Slovak Republic
ASSOCIATE EDITOR:
Eva NEUSCHLOVÁ, Slovak Forests Products Research Institute, Lamačská cesta 3, SK-841 04 Bratislava,
Slovak Republic
EDITORIAL BOARD:
Ignacio J. DIAZ-MAROTO, University od Santiago de Compostela, High School Polytechnic, University
Campus s/n, 27002 Lugo, Spain
Petr HORÁČEK, Mendel University in Brno, Zemedelska 3, CZ-613 00 Brno, Czech Republic
Miha HUMAR, University of Ljubljana, Jamnikarjeva 101, SI-1001 Ljubljana, Slovenia
Jan KANÓCZ, Technical University of Košice, Letná 9, 042 00 Košice
Bohuš KASAL, Fraunhofer Institute for Wood Research, Wilhelm-Klauditz-Institut WKI, Bienroder Weg 54 E,
D-38108 Braunschweig, Germany
Svetozár KATUŠČÁK, Slovak Technical University, Radlinského 9, SK-812 37 Bratislava, Slovak Republic
Jozef KÚDELA, Technical University in Zvolen, Masarykova 24, SK-960 53 Zvolen, Slovak Republic
Bartłomiej MAZELA, Poznań University of Life Sciences, ul. Wojska Polskiego 28, PL-60-637 Poznań, Poland
Holger MILITZ, University of Göttingen, Büsgenweg 4, D-37077, Göttingen, Germany
Peter NIEMZ, ETH Zürich, Institute for Buildings, Wood Physics, HIF E25.2 Stefano-Franscini-Platz 3, CH-8093
Zürich, Switzerland
Róbert NÉMETH, University of West Hungary, Bajcsy Zs. u. 4, H-9400 Sopron, Hungary
Milan ORŠANIĆ, University of Zagreb, Svetošimunska 25, HR-40000 Zagreb, Croatia
Alfred TEISCHINGER, Boku-University of Natural Resources and Life Sciences, Institute for Wood Technology
and Renewable Materials, Konrad Lorenz Strasse 24, 3430 Tulln, Austria
B. N. UGOLEV, Moscow State Forest University, 141 005 Mytischi, Moscow region, Russia
Aleš ZEIDLER, Czech University of Agriculture in Prague, Kamýcká 1176, CZ-165 21 Praha 6 Suchdol,
Czech Republic
EDITORIAL OFFICE
Slovenský drevársky výskumný ústav/ Slovak Forest Products Research Institute
Lamačská cesta 3, SK-841 04, Bratislava, Slovak Republic
Phone: +421-2-59 418 634, Fax: +421-2-5477 2063
E-mail: [email protected], WEB: www.woodresearch.sk
SUBSCRIPTION INFORMATION:
Wood Research is published quarterly. Subscription rate 130 EUR (including mailing expenses).Subscription
order should be sent to Slovak Forest Products Research Institute, Lamačská cesta 3, SK-841 04 Bratislava,
Slovak Republic
© 2014 by SDVÚ Bratislava, Slovak Republic
All rights reserved. By submitting a manuscript, the authors agree that the copyright for their article is transferred
to their publisher if and when the article is accepted for publication. The copyright covers the exclusive rights
to reproduce and distribute the article, including reprints, photographic reproductions, microform or any other
reproductions of similar nature and translations. No part of this publication may be reproduced, stored in retrieval
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written permission of the publisher as mentioned in Slovak Copyright Law No 383/1997.
Issued: September 2014 IČO 31 380 051
Printed by Pulp and Paper Research Institute, Lamačská cesta 3, Bratislava, E-mail: [email protected]
WOOD RESEARCH
Volume 59, Number 4, 2014
CONTENTS
1. SHANQING LIANG, FENG FU: Effect of sensor number and distribution on accuracy
rate of wood defect detection with stress wave tomography . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 521
2. MARCO FELLIN, MARTINO NEGRI, FEDERICO MAZZEI, ROBERTO
ZANUTTINI: Characterization of ED-XRF technology applied to wooden matrix . . . . . . . . . . . 533
3. KEYANG LU, JUNFENG HOU, QUANPING YUAN, FENG FU, YAOMING
ZHANG: Properties of electromagnetic shielding case made of plywood laminated with
conductive sheets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 547
4. MÁRIA FIŠEROVÁ, ELENA OPÁLENÁ : Influence of green liquor and hot water
pre-extraction of hardwoods on kraft pulping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 557
5. OLIVER BODHLYERA, TEMESGEN ZEWOTIR, SHAUN RAMROOP: Random
coefficient model for changes in viscosity in dissolving pulp . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 571
6. XUE-FEI ZHOU, XU-JIE LU: Structural characterization of kraft lignin for its green
utilization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 583
7. RADKA VÁCHALOVÁ, IVETA MAREŠOVÁ, LADISLAV KOLÁŘ, JAN VÁCHAL
JAN TŘÍSKA: Lignocellulosic biorefinery for waste-free manufacturing of phytoestrogens
belonging to lignans, sugars for production of ethanol and growing medium . . . . . . . . . . . . . . 593
8. OZLEM OZGENC, UMIT C. YILDIZ: Surface characteristics of wood treated with new
generation preservatives after artificial weathering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 605
9. HONGSHUANG DU, JIANMIN CHANG, XUEYONG REN, RUI LI,
PENGQI WANG: Influence of fast pyrolysis conditions on polyphenols fraction from bio-oil . 617
10. JÁN KANÓCZ, VIKTÓRIA BAJZECEROVÁ, ŠTEFAN ŠTELLER : Timber – concrete
composite elements with various composite connections. Part 2: grooved connection . . . . . . . . . . . . . . . 627
11. EVA CALDOVÁ, LUKÁŠ BLESÁK, FRANTIŠEK WALD, MICHAL KLOIBER
SHOTA URUSHADZE, PETR VYMLÁTIL: Behaviour of timber and steel fibre
reinforced concrete composite constructions with screwed connections . . . . . . . . . . . . . . . . . . . . . . . . . 639
12. ALEKSANDAR LOVRIĆ, VLADISLAV ZDRAVKOVIĆ, MLADEN FURTULA:
Influence of thermal modification on colour of poplar (Populus x euramericana) rotary cut veneer . . . . . . 661
13. PETER NIEMZ, SEBASTIAN CLAUSS, FRANCO MICHEL, DANIEL HÄNSCH,
ANDREAS HÄNSEL: Physical and mechanical properties of common ash (Fraxinus excelsior L.) . . 671
14. ZOLTÁN PÁSZTORY, ZOLTÁN BÖRCSÖK, ILDIKÓ RONYECZ, KRISTÓF
MOHÁCSI, SÁNDOR KIS: Oven dry density of sessile oak, turkey oak and hornbeam in
different region of mecsek mountain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 683
15. IRZAMAN HUSEIN, SUCAHYO SADIYO, NARESWORO NUGROHO, IMAM
WAHYUDI, ANA AGUSTINA, RAHMA NUR KOMARIAH, JAUHAR KHABIBI,
CITRA YANTO CIKI PURBA, DINA ALI, MUHAMMAD IFTOR, TINTO PUNTO
KAHAR, ARIP WIJAYANTO, MARYAM JAMILAH: Electrical properties of Indonesian
hardwood case study: Acacia mangium, Swietenia macrophylla and Maesopsis eminii . . . . . . . . . . . . . . . . . . . 695
16. MILAN DEMO, MARTIN HAUPTVOGL, MARTIN PRČÍK, DUŠAN HÚSKA:
Comparison of production parameters of willow (Salix spp.) and poplar (Populus spp.) varieties in the last year
of the first fouryear harvest cycle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 705
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WOOD RESEARCH 59(4): 2014 EDITORS: ASSOCIATE EDITOR