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Official Journal of the Japan Wood Research Society

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Articles

Page 31 of 38

  1. The rates (k) of hydroxymethylation of phenol, resorcinol, phloroglucinol, and several methylphenols in diluted 10% dimethylformamide aqueous alkaline solution were calculated based on the consumption of phenols ...

    Authors: Tohru Mitsunaga, Anthony H. Conner and Charles G. Hill Jr.

    Citation: Journal of Wood Science 2002 48:BF00767293

    Content type: Original Article

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  2. To search for marine fungi that have significant lignin-degrading ability in a hypersaline environment, eight strains of marine fungi were selected from 28 strains isolated from mushrooms and driftwood sampled...

    Authors: Xin Li, Ryuichiro Kondo and Kokki Sakai

    Citation: Journal of Wood Science 2002 48:BF00767292

    Content type: Original Article

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  3. The use of calibrated near-infrared (NIR) spectroscopy for predicting of a range of solid wood properties is described. The methods developed are applicable to large-scale nondestructive forest resource assess...

    Authors: Laurence R. Schimleck, Robert Evans and A. Colin Matheson

    Citation: Journal of Wood Science 2002 48:BF00767290

    Content type: Original Article

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  4. Previously we showed that the relaxation modulusEt of water-saturated wood during temperature reduction maintained its initial value despite the decrease in temperature, although during temperature elevationEt sh...

    Authors: Ikuho Iida, Michiyasu Kudo, Jyunji Onizuka, Yutaka Ishimaru and Yuzo Furuta

    Citation: Journal of Wood Science 2002 48:BF00767288

    Content type: Original Article

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  5. We studied the effect of genotypes of planting stocks regarding the variation of the modulus of elasticity of tree trunks on standing trees (trunk-MOE), tree height (TH), and diameter at breast height (DBH) in...

    Authors: Katsuhiko Takata and Yukio Teraoka

    Citation: Journal of Wood Science 2002 48:BF00767286

    Content type: Original Article

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  6. Seven specimens that contained a continuous gradient of wood from normal to tension wood were collected from an inclined black locust (Robinia pseudoacacia), and the released strain of growth stress was quantifie...

    Authors: Masato Yoshida, Haruki Ohta and Takashi Okuyama

    Citation: Journal of Wood Science 2002 48:BF00767285

    Content type: Original Article

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  7. In general, tropical trees have less-distinct growth rings. Even if the trees have some concentric structures, there is little information on the timing of their formation. The objective of this report is to s...

    Authors: Yoshiyuki Ogata, Tadashi Nobuchi, Minoru Fujita and Mohammed Hamami Sahri

    Citation: Journal of Wood Science 2002 48:BF00767283

    Content type: Original Article

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  8. The object of this study was to determine the cause of differences in the improvement in liquid penetration of precompressed wood species. The maximum amount of water uptake by the capillary rise method and ch...

    Authors: Ikuho Iida, Sulaeman Yusuf, Ugai Watanabe and Yuji Imamura

    Citation: Journal of Wood Science 2002 48:BF00766243

    Content type: Note

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  9. The total amounts of endogenous indole-3-acetic acid (IAA), cytokinins, and abscisic acid (ABA) were quantified by gas chromatography-selected ion monitoring-mass spectrometry (GC-SIM-MS) in cambial regions of...

    Authors: Ryo Funada, Takafumi Kubo, Tamizi Sugiyama and Masami Fushitani

    Citation: Journal of Wood Science 2002 48:BF00766242

    Content type: Note

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  10. To investigate the durability of structural laminated veneer lumber (LVL), outdoor exposure tests have been conducted since 1990 at a field-testing site at the Forestry and Forest Products Research Institute. ...

    Authors: Tomoyuki Hayashi, Atsushi Miyatake and Masaki Harada

    Citation: Journal of Wood Science 2002 48:BF00766241

    Content type: Original Article

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  11. To produce 5α-reductase inhibitory compounds, resveratrol was enzymatically oxidized in a horseradish peroxidase (HRP)/H2O2 system. Ethyl acetate extract of the oxidation products showed strong 5α-reductase inhib...

    Authors: Yoshio Hirano, Ryuichiro Kondo and Kokki Sakai

    Citation: Journal of Wood Science 2002 48:BF00766240

    Content type: Original Article

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  12. A monoterpene and 15 diterpenes were isolated from the ethyl acetate extracts of the bark-glued resin from the resinous stem canker ofThujopsis dolabrata var.hondae Makino. A monoterpene (nezukone20) and 4 diterp...

    Authors: Nobuyasu Hanari, Hiroshi Yamamoto and Ken-ichi Kuroda

    Citation: Journal of Wood Science 2002 48:BF00766239

    Content type: Original Article

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  13. The response of the essential oils and their components toCryptomeria bark borer has been studied. The oils of inner bark and sapwood of resistant cultivars acted as a repellent toCryptomeria bark borer rather th...

    Authors: Mitsuyoshi Yatagai, Hiroshi Makihara and Kihachiro Oba

    Citation: Journal of Wood Science 2002 48:BF00766238

    Content type: Original Article

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  14. Residual wood meal after extraction of milled wood lignin (WMEM) ofEucalyptus globulus was extracted with alkali and LiCl/N,N-Dimethylacetamide (DMAc). These agents dissolve mainly hemicellulose and cellulose, re...

    Authors: Shuichi Hirosawa, Rui Katahira and Fumiaki Nakatsubo

    Citation: Journal of Wood Science 2002 48:BF00766237

    Content type: Original Article

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  15. Methylβ-d-xylopyranoside was allowed to react withβ-O-4-type quinone methide without a catalyst to elucidate the reactivities of secondary hydroxyl groups at the C2, C3, and C4 positions. Benzyl ether-type lignin...

    Authors: Takao Kishimoto, Tsutomu Ikeda, Olov Karlsson, Kengo Magara and Shuji Hosoya

    Citation: Journal of Wood Science 2002 48:BF00766235

    Content type: Original Article

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  16. This study dealt with the effects of a curing method that uses gaseous and supercritical CO2. Its effects on the properties of oil palm fronds cement-bonded board manufactured by the conventional cold-press setti...

    Authors: Dede Hermawan, Toshimitsu Hata, Shuichi Kawai, Wakatsu Nagadomi and Yasuo Kuroki

    Citation: Journal of Wood Science 2002 48:BF00766233

    Content type: Original Article

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  17. Stress relaxation of water-saturated wood was examined at various temperatures and during the processes of elevation and lowering of temperature. The difference between relaxation at a lower temperature and th...

    Authors: Ikuho Iida, Koichi Murase and Yutaka Ishimaru

    Citation: Journal of Wood Science 2002 48:BF00766231

    Content type: Original Article

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  18. A new lignan isoactifolin was isolated from young shoots (with leaves) ofChamaecyparis obtusa cv. Breviramea. The structure of the compound was determined based on spectroscopic evidence.

    Authors: Naohiro Takaku, Keigo Mikame, Tomoya Okunishi, Shiro Suzuki, Toshiaki Umezawa and Mikio Shimada

    Citation: Journal of Wood Science 2001 47:BF00767904

    Content type: Note

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  19. This paper presents a method for detecting gullet cracks in a bandsaw during sawing by monitoring burst-type acoustic emission (AE) signals with large amplitude. The amplitudes of the AE signal and profile hei...

    Authors: Nanfeng Zhu, Chiaki Tanaka and Tadashi Ohtani

    Citation: Journal of Wood Science 2001 47:BF00767903

    Content type: Note

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  20. Heartwood ofChamaecyparis obtusa contains significant amounts of a dibenzylbutyrolactone lignan, hinokinin (8). This investigation demonstrated that the contents of 8 and a norlignan, hinokiresinol (12), were hig...

    Authors: Naohiro Takaku, Don-Ha Choi, Keigo Mikame, Tomoya Okunishi, Shiro Suzuki, Hideo Ohashi, Toshiaki Umezawa and Mikio Shimada

    Citation: Journal of Wood Science 2001 47:BF00767901

    Content type: Original Article

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  21. Softwood acetic acid lignin (SAL) free from a high-molecular-mass fraction could be spun at 220°C by a spinning machine equipped with an extruder. Although the resulting fibers required thermostabilization, th...

    Authors: Yasumitsu Uraki, Akira Nakatani, Satoshi Kubo and Yoshihiro Sano

    Citation: Journal of Wood Science 2001 47:BF00767899

    Content type: Original Article

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  22. The effect of melamine content in melamine-urea-formaldehyde (MUF) resins on the formaldehyde emission and resin structure was investigated using six MUF resins synthesized with different F/(M + U) and M/U mol...

    Authors: Shin-ichiro Tohmura, Akio Inoue and Siti Hanim Sahari

    Citation: Journal of Wood Science 2001 47:BF00767897

    Content type: Original Article

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  23. Quercus serrata andQ. crispula wilt during the summer in wide areas along the Sea of Japan. Mass attacks of trees by an ambrosia beetle (Platypus quercivorus) are characteristic before appearance of the wilting ...

    Authors: Keiko Kuroda

    Citation: Journal of Wood Science 2001 47:BF00767893

    Content type: Original Article

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  24. Seedlings ofEucalyptus viminalis were grown for 50 days with their stems bent so tension wood would form. Every 10 days the lignin content, monomeric composition, and peroxidase activity in the tension wood were ...

    Authors: Wataru Aoyama, Akira Matsumura, Yuji Tsutsumi and Tomoaki Nishida

    Citation: Journal of Wood Science 2001 47:BF00767892

    Content type: Original Article

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  25. Various carbon structures were observed in the wood charcoal sample: the well known pyrolytic graphite layers, onion-like particles, and diamond structure. It is suggested that wood charcoal carbonized at 700°...

    Authors: Kengo Ishimaru, Tomas Vystavel, Paul Bronsveld, Toshimitsu Hata, Yuji Imamura and Jeff De Hosson

    Citation: Journal of Wood Science 2001 47:BF00766796

    Content type: Rapid Communication

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  26. Iron-binding compounds were isolated from a culture ofPhanerochaete sordida YK-624 and were found to bind to Fe(III) preferentially compared with Fe(II). Two iron-binding compounds were purified to near-homogenei...

    Authors: Hirofumi Hirai, Aiko Onitsuka, Ryuichiro Kondo, Kokki Sakai and Tomoaki Nishida

    Citation: Journal of Wood Science 2001 47:BF00766788

    Content type: Original Article

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  27. Urea formaldehyde resin-bonded reed and wheat straw fiberboards were produced from the fibers made under different steam cooking conditions in refining processes at densities of 500 and 700kg/m3. The effect of st...

    Authors: Guangping Han, Shuichi Kawai, Kenji Umemura, Min Zhang and Takahisa Honda

    Citation: Journal of Wood Science 2001 47:BF00766784

    Content type: Original Article

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  28. The effect of intermittent heat treatment on cellulose crystallites in wood was studied to evaluate quantitatively the changes of crystallinity induced by intermittent and continuous heating. The changes in cr...

    Authors: Md. Tariqur Rabbani Bhuiyan, Nobuyuki Hirai and Nobuo Sobue

    Citation: Journal of Wood Science 2001 47:BF00766782

    Content type: Original Article

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