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Official Journal of the Japan Wood Research Society

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Articles

Page 32 of 43

  1. Propylene carbonate (PC) is known as one of the cure accelerators for alkaline phenol–formaldehyde resins. To elucidate the cure-acceleration mechanisms, the effects of PC on the condensation reactions of mono...

    Authors: Naruyuki Kamo, Hiroyuki Okamura, Mitsuo Higuchi and Mitsuhiro Morita
    Citation: Journal of Wood Science 2004 50:564
  2. Stress conditions produced in wood were analyzed by means of the acoustoelastic birefringence method. Bending load was applied against a wood beam specimen. Under loading, ultrasonic shear waves were propagate...

    Authors: Masumi Hasegawa and Yasutoshi Sasaki
    Citation: Journal of Wood Science 2004 50:552
  3. To enhance the photostability of wood against ultraviolet (UV) light, a UV absorbent, 2,2′,4′-trihydroxy-4-[2-hydroxy-3-(3-trimethoxysilylpropoxy)propoxy]benzophenone (BP), was applied to the reaction system f...

    Authors: Hisashi Miyafuji, Hideki Kokaji and Shiro Saka
    Citation: Journal of Wood Science 2004 50:550
  4. In conventional drying, sawn birch (Betula sp.) timber darkens and reddens from the inside while the layer a few millimetres under the yellowish surface remains light in color. Lack of information concerning the ...

    Authors: Katri Luostarinen and Veikko Möttönen
    Citation: Journal of Wood Science 2004 50:547
  5. This study evaluated oxalic acid accumulation and bioremediation of chromated copper arsenate (CCA)-treated wood by three brown-rot fungi Fomitopsis palustris, Coniophora puteana, and Laetiporus sulphureus. The f...

    Authors: S. Nami Kartal, Erman Munir, Tomo Kakitani and Yuji Imamura
    Citation: Journal of Wood Science 2004 50:544

    The Erratum to this article has been published in Journal of Wood Science 2005 51:s100860050001

  6. To elucidate the formation and chemical structures of water-soluble material in acid-soluble lignin (ASL), lignin aromatic nuclei model compounds of creosol (I) and 5-methoxycreosol (II) were reacted with xylo...

    Authors: Yasuyuki Matsushita, Akihiro Kakehi, Shigeru Miyawaki and Seiichi Yasuda
    Citation: Journal of Wood Science 2004 50:543
  7. A novel method for analysis of benzylic ether type lignin–carbohydrate bonds has been developed by using model compounds. Four diastereomers of model compound 3-(4-hydroxy-3-methoxyphenyl)-2-(2-methoxyphenoxy)...

    Authors: Olov Karlsson, Tsutomu Ikeda, Takao Kishimoto, Kengo Magara, Yuji Matsumoto and Shuji Hosoya
    Citation: Journal of Wood Science 2004 50:542
  8. Mating compatibility of 25 Pleurotus species collected mainly from Asia was tested by either the Mon–Mon mating or the Di–Mon mating tests. The results showed 5 intersterility groups (P. ostreatus, P. pulmonarius

    Authors: Dapeng Bao, Satomi Kinugasa and Yutaka Kitamoto
    Citation: Journal of Wood Science 2004 50:540
  9. Polymorphism analysis of the 5′ portion of 26S rDNA from 34 Pleurotus strains (12 intersterility groups) collected mainly from Asia was performed. By combining the restriction fragment length polymorphism (RFLP) ...

    Authors: Dapeng Bao, Hiromoto Ishihara, Nobuhiro Mori and Yutaka Kitamoto
    Citation: Journal of Wood Science 2004 50:539
  10. Splitting failure in beam splice joints with glued-in rods parallel to grain in endwood subjected to pure shear is considered. A simple theoretical expression based on beam-on-elastic-foundation theory and qua...

    Authors: Jørgen Lauritzen Jensen and Per-Johan Gustafsson
    Citation: Journal of Wood Science 2004 50:538
  11. Ultrasonic shear waves were propagated through the breadth direction of a wood beam which was subjected to a bending load such that it was in a plane-stress state. The oscillation direction of the shear waves ...

    Authors: Masumi Hasegawa and Yasutoshi Sasaki
    Citation: Journal of Wood Science 2004 50:537
  12. The catalytic effect of aluminum on graphitization of wood charcoal was examined. Wood charcoal impregnated with aluminum triisopropoxide to various levels was subjected to direct electric pulse heating. Elect...

    Authors: Koei Nishimiya, Toshimitsu Hata, Hikari Kikuchi and Yuji Imamura
    Citation: Journal of Wood Science 2004 50:532
  13. The velocity changes of ultrasonic shear waves propagating transversely to the applied stress direction in wood were investigated. The wave oscillation directions were parallel and normal to the uniaxially app...

    Authors: Masumi Hasegawa and Yasutoshi Sasaki
    Citation: Journal of Wood Science 2004 50:536
  14. Kinetics of the self-condensation of 2,4-dihydroxymethylphenol (2,4-DHMP) and 2,4,6-trihydroxymethylphenol (THMP) were investigated to elucidate the mechanisms of the condensation of hydroxymethylphenols (HMPs...

    Authors: Naruyuki Kamo, Mitsuo Higuchi, Takehiro Yoshimatsu and Mitsuhiro Morita
    Citation: Journal of Wood Science 2004 50:535
  15. The occurrence of heart splitting during the crosscutting of logs was discussed in relation to the released strain on Eucalyptus spp. logs. The strains released in the longitudinal and tangential directions were ...

    Authors: Takashi Okuyama, Javier Doldán, Hiroyuki Yamamoto and Toshihiro Ona
    Citation: Journal of Wood Science 2004 50:533
  16. The reactivity of previously prepared antiserum against agatharesinol, a norlignan, was determined by competitive inhibition–ELISA (enzyme-linked immunosorbent assay) using several natural compounds that are r...

    Authors: Takeshi Nagasaki, Norihisa Osada, Mika Sato, Seiichi Yasuda, Koetsu Takahashi and Takanori Imai
    Citation: Journal of Wood Science 2004 50:530
  17. Japanese oak and Japanese beech were sanded by hand with abrasive papers of varying grit number. Two three-dimensional parameters selected to characterize their surface roughness – one parameter for the distri...

    Authors: Yuko Fujiwara, Yoshihisa Fujii, Yutaka Sawada and Shogo Okumura
    Citation: Journal of Wood Science 2004 50:529
  18. The experimental results of orthogonal cutting of maple and the modeling of the cutting mechanics are presented. The tool cutting forces were measured for different feed rates. A set of equations relating the ...

    Authors: Jean-Philippe Costes, Pak Lim Ko, Tony Ji, Cyrille Decès-Petit and Yusuf Altintas
    Citation: Journal of Wood Science 2004 50:527
  19. Development of accurate surface assessment technology is of vital interest to modern wood industries. In this experiment we investigated new and fast noncontacting sensors to determine their usefulness for woo...

    Authors: Jakub Sandak, Chiaki Tanaka and Tadashi Ohtani
    Citation: Journal of Wood Science 2004 50:523
  20. Low-density binderless particleboards from kenaf core were successfully developed using steam injection pressing. The target board density ranged from 0.10 to 0.30 g/cm3, the steam pressure used was 1.0 MPa, and ...

    Authors: Jianying Xu, Ryo Sugawara, Ragil Widyorini, Guangping Han and Shuichi Kawai
    Citation: Journal of Wood Science 2004 50:522
  21. Chiral high-performance liquid chromatography (HPLC) separation of lignans with semi-micro columns of 1.0–2.0 mm inner diameter (i.d.) was established for the first time. Practical sensitivity was increased 5 ...

    Authors: Tomoya Okunishi, Toshiaki Umezawa and Mikio Shimada
    Citation: Journal of Wood Science 2004 50:520
  22. Secoisolariciresinol dehydrogenase activity was detected for the first time from Daphne odora and Daphne genkwa (Thymelaeaceae), which are known to produce optically pure (+)-matairesinol. In sharp contrast, (−)-...

    Authors: Tomoya Okunishi, Norikazu Sakakibara, Shiro Suzuki, Toshiaki Umezawa and Mikio Shimada
    Citation: Journal of Wood Science 2004 50:516
  23. We used a two-dimensional finite element method to analyze the load-slip characteristics of nailed wooden joints sheathed with a panel. We used tests of nail bending, nail shank embedment in a wood or a panel,...

    Authors: Nobuo Nishiyama and Naoto Ando
    Citation: Journal of Wood Science 2003 49:519
  24. X-ray diffraction was used to study variations in the crystallinity of wood and the average thickness and length of the crystallites of cellulose as a function of the number of the year ring in Norway spruce [Pic...

    Authors: Seppo Andersson, Ritva Serimaa, Timo Paakkari, Pekka SaranpÄÄ and Erkki Pesonen
    Citation: Journal of Wood Science 2003 49:518
  25. Reduction of manganese dioxide is demonstrated for an in vitro ferrireductase system that includes NADPH-dependent ferrireductase and the iron-binding compound (IBC) isolated from the white-rot fungus Phanerochae...

    Authors: Hirofumi Hirai, Takanori Itoh and Tomoaki Nishida
    Citation: Journal of Wood Science 2003 49:517
  26. Methyl esters of higher fatty acids were detected from the healthy bark of Thujopsis dolabrata var. hondae but not from the bark of the resinous stem canker of T. dolabrata var. hondae. This difference enabled us...

    Authors: Nobuyasu Hanari, Hiroshi Yamamoto and Ken-ichi Kuroda
    Citation: Journal of Wood Science 2003 49:512
  27. Process water of a pulp mill with extended kraft cooking, two-stage oxygen delignification, and chlorine dioxide bleaching was examined from the aspect of a new standard for environmental water quality in Japa...

    Authors: Keiichi Nakamata and Hiroshi Ohi
    Citation: Journal of Wood Science 2003 49:510
  28. In a previous paper we presented the efficacy of the extended distinct element method (EDEM) on the collapsing process simulation of timber-frame structures. The results obtained were qualitative, and the need...

    Authors: Takafumi Nakagawa and Masamitsu Ohta
    Citation: Journal of Wood Science 2003 49:507
  29. Acetylation of wood was carried out in acetic anhydride only, acetic anhydride/xylene 1 : 1 (v/v), and acetic anhydride/pyridine 4 : 1 (v/v) solutions. The antishrink efficiency (ASE), hygroscopic properties, ...

    Authors: Kazuya Minato, Ryosuke Takazawa and Kenji Ogura
    Citation: Journal of Wood Science 2003 49:499
  30. In this study we tried to develop an analysis program that can simulate the collapsing process of timber-frame structures under dynamic loading by adopting the extended distinct element method (EDEM). Using th...

    Authors: Takafumi Nakagawa and Masamitsu Ohta
    Citation: Journal of Wood Science 2003 49:500

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