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Official Journal of the Japan Wood Research Society

Journal of Wood Science Cover Image

Articles

Page 37 of 38

  1. The present study deals with the effects of gibberellins (GA3 GA4) and uniconazole-P, an inhibitor of gibberellin biosynthesis, on negative gravitropism and xylem formation in the stems of horizontally positioned...

    Authors: Sha Jiang, Ikuo Furukawa, Tamaki Honma, Miho Mori, Teruko Nakamura and Fukuju Yamamoto

    Citation: Journal of Wood Science 1998 44:BF01130452

    Content type: Note

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  2. The contents of diterpenoids, ginkgolides A, B, and C, in seeds, embryos, and plantlets ofGinkgo biloba were analyzed to clarify the relations between organogenesis and terpene contents inG. biloba. There is so f...

    Authors: Hiroki Inoue, Shigehiro Kamoda, Tamami Terada and Yoshimasa Saburi

    Citation: Journal of Wood Science 1998 44:BF01130450

    Content type: Original Article

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  3. This research attempts to observe indirectly the variation of internal bond characteristics for wood composite materials during accelerated aging test treatment using ultrasonic pulse-transmission techniques. ...

    Authors: Yu-Guo Sun and Takanori Arima

    Citation: Journal of Wood Science 1998 44:BF01130446

    Content type: Original Article

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  4. The reference compound (9), with a partial structure of acteoside, was synthesized to elucidate the relation between structural features and the precipitation or solubility of the oxidation products of acteoside:...

    Authors: Michikazu Ota, Kouetsu Takahashi and Hisayoshi Kofujita

    Citation: Journal of Wood Science 1998 44:BF00581314

    Content type: Original Article

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  5. Morphological changes of ramie fibers due to swelling in alkali solution were investigated. The observed twisting and changes in the cross-sectional shape of the fibers could be explained as a geometrical alte...

    Authors: Yoshiharu Nishiyama and Takeshi Okano

    Citation: Journal of Wood Science 1998 44:BF00581312

    Content type: Original Article

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  6. The surfaces of handsheets containing polydiallyl-dimethylammonium chloride (PDADMAC) and anionic polyacrylamide (A-PAM) were analyzed using X-ray photoelectron spectroscopy (XPS). The observed N1s chemical sh...

    Authors: Shaoping Chen and Hiroo Tanaka

    Citation: Journal of Wood Science 1998 44:BF00581311

    Content type: Original Article

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  7. Agronomic properties (whole stalk yield, fiber length distribution, chemical composition) and whole stalk kraft pulp characteristics (total pulp yield, pulp fiber length distribution, pulp sheet strengths) wer...

    Authors: Cheng Zhou, Yoshito Ohtani, Kazuhiko Sameshima and Mei Zhen

    Citation: Journal of Wood Science 1998 44:BF00581310

    Content type: Original Article

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  8. Isocyanate resin-bonded 0.5 and 0.7 g/cm3 lauan (Shorea sp.) particleboards were produced from mats with uniform and distributed moisture content (MC) distributions, using three hot press closing speeds. The effe...

    Authors: Ee Ding Wong, Min Zhang, Qian Wang and Shuichi Kawai

    Citation: Journal of Wood Science 1998 44:BF00581309

    Content type: Original Article

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  9. Reed and wheat straw particleboards bonded with urea formaldehyde (UF) resin were manufactured from two different material configurations (i.e., fine and coarse particles). The board densities were in the rang...

    Authors: Guangping Han, Changwu Zhang, Dongmei Zhang, Kenji Umemura and Shuichi Kawai

    Citation: Journal of Wood Science 1998 44:BF00581308

    Content type: Original Article

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  10. Curved laminated veneer lumber (LVL) is manufactured from glue-coated pieces of rotary-cut veneers assembled and pressed between molds. In this study, curved LVLs were produced from two fast-growing wood speci...

    Authors: Zhi-Hui Wu, Takeshi Furuno and Bin-Yuan Zhang

    Citation: Journal of Wood Science 1998 44:BF00581307

    Content type: Original Article

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  11. The equilibrium moisture content (EMC) of six wood species under desorption conditions of 20°C and 100% → 0% relative humidity (RH), and the rate of adsorption at various depths of three wood species blocks un...

    Authors: Song-Yung Wang and Chih-Feng Liau

    Citation: Journal of Wood Science 1998 44:BF00581305

    Content type: Original Article

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  12. This study investigated and clarified the relation between the piezoelectric voltage and microscopic fracture of hinoki (Chamaecyparis obtura Endl.), in particular the deformation of the cross-sectional wall of t...

    Authors: Takahisa Nakai and Kose Ando

    Citation: Journal of Wood Science 1998 44:BF00581304

    Content type: Original Article

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  13. This study investigated the relation between the resting potential of a 2-year-old Japanese oak (Quercus crispula Blume) sapling and its physiology, especially the radial transport of water containing inorganic i...

    Authors: Takahisa Nakai and Hisashi Abe

    Citation: Journal of Wood Science 1998 44:BF00581303

    Content type: Original Article

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  14. Sugi (Cryptomeria japonica D. Don) wood powder was carbonized at varying temperatures and used as a material to remove heavy metals from their aqueous solutions. Single solutions of mercuric chloride and mixed aq...

    Authors: Lilibeth L. Pulido, Toshimitsu Hata, Yuji Imamura, Shigehisa Ishihara and Takeshi Kajimoto

    Citation: Journal of Wood Science 1998 44:BF00521970

    Content type: Note

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  15. Carbohydraseproduction of Hypsizygus marmoreus cultured on sawdust rice bran medium by bottle cultivation was investigated to elucidate the carbohydrase utilized as the growth substrate for the fruit-body formati...

    Authors: Takao Terashita, Ryousuke Murao, Kentaro Yoshikawa and Jiko Shishiyama

    Citation: Journal of Wood Science 1998 44:BF00521969

    Content type: Note

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  16. Cortical microtubules (MTs) in differentiating compression wood tracheids of Taxus cuspidata stems were visualized by confocal laser microscopy. They were oriented obliquely at an angle of about 45° to the trache...

    Authors: Osamu Furusawa, Ryo Funada, Yutaka Murakami and Jun Ohtani

    Citation: Journal of Wood Science 1998 44:BF00521968

    Content type: Note

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  17. To characterize the mechanism of the reaction of lignin with aqueous acetic acid (AW) containing a small amount of H2SO4, guaiacylglycerol-β-guaiacyl ether (GOG), and guaiacylglycerol-β-syringol ether (GOS) were ...

    Authors: Yoshihiro Sano, Shu Shimamoto, Makiko Enoki and Haruo Konno

    Citation: Journal of Wood Science 1998 44:BF00521966

    Content type: Original Article

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  18. The thermal properties of isocyanate (IC) resin cured with water were studied using dynamic mechanical analysis (DMA) and Fourier transform infrared spectroscopy. The thermal properties of cured phenol formald...

    Authors: Kenji Umemura, Akihiro Takahashi and Shuichi Kawai

    Citation: Journal of Wood Science 1998 44:BF00521964

    Content type: Original Article

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  19. Three-layered composite oriented strand boards were manufactured using very thin hinoki (Japanese cypress, Chamaecyparis obtusa Endl.) strands oriented in the faces and mixtures of sugi (Japanese cedar, Cryptomer...

    Authors: Min Zhang, Ee-ding Wong, Shuichi Kawai and Jin-heon Kwon

    Citation: Journal of Wood Science 1998 44:BF00521962

    Content type: Original Article

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  20. The natural frequencies, aerodynamic noise, whistling noise, and self-excited vibration between the common circular saw with uniform thickness and the circular saw with step thickness (thin on its outer part a...

    Authors: Wuhua Cheng, Hideyuki Yokochi and Shiro Kimura

    Citation: Journal of Wood Science 1998 44:BF00521960

    Content type: Original Article

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  21. The purpose of this study was to investigate the effects of changes in the helical angle of the router bit on the acoustic emission (AE) signal for various workpiece grain angles. The helical angle varied from...

    Authors: Grzegorz Cyra, Chiaki Tanaka, Masahiro Yoshinobu and Yoshihiko Nishino

    Citation: Journal of Wood Science 1998 44:BF00521959

    Content type: Original ARticle

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  22. Relations between various extracted basic densities and wood chemical components were investigated by their within-tree variations in Eucalyptus globulus for assistance in the prediction of the properties of wood...

    Authors: Toshihiro Ona, Tetsuya Sonoda, Kazuya Ito and Masaru Shibata

    Citation: Journal of Wood Science 1998 44:BF00521958

    Content type: Original Article

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  23. The rolling shear strength of plywood was evaluated using a flexural vibration test. Test specimens were lauan and Douglas fir three-ply plywoods made from thick veneers. The dynamic shear and Young's moduli w...

    Authors: Heng Xu, Chiaki Tanaka, Tetsuya Nakao, Masahiro Yoshinobu and Hiroyuki Katayama

    Citation: Journal of Wood Science 1998 44:BF00526261

    Content type: Note

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  24. Pernambuco (Guilandina echinata Spreng. syn Caesalpinia echinata Lam.), which has been used for a material of violin bows, was compared with substitutable wood species from the viewpoint of processing properties ...

    Authors: Masahiro Matsunaga and Kazuya Minato

    Citation: Journal of Wood Science 1998 44:BF00526260

    Content type: Note

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  25. A practical approach to enhancing the fire retardancy of wood-based materials by adding fire-retardant chemicals to the glue was developed. Plywoods were manufactured using urea melamine formaldehyde resin mix...

    Authors: Wen-Yu Su, Subyakto, Toshimitsu Hata, Koei Nishimiya, Yuji Imamura and Shigehisa Ishihara

    Citation: Journal of Wood Science 1998 44:BF00526258

    Content type: Original Article

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  26. Highly condensed lignin can be transformed by three reactions — phenolation, hydroxymethylation, and neutral sulfonation — to water-soluble lignosulfonate. To elucidate reactivities and products in the latter ...

    Authors: Seiichi Yasuda, Eri Hamaguchi, Yasuyuki Matsushita, Hideyuki Goto and Takanori Imai

    Citation: Journal of Wood Science 1998 44:BF00526256

    Content type: Original Article

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  27. myo-Inositol-[2-3H] and d-glucuronic acid-[6-14C] were administered simultaneously to a growing stem of magnolia (Magnolia kobus DC) to label xylan and pectin, respectively, in the cell wall. Determination of th...

    Authors: Takanori Imai, Hideyuki Goto, Hiroyuki Matsumura and Seiichi Yasuda

    Citation: Journal of Wood Science 1998 44:BF00526254

    Content type: Original Article

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  28. To obtain basic information on the stability, decomposition, and recycling of biodegradable polyurethane foam (PUF), we studied hydrolysis and aminolysis of the PUF derived from wattle tannin (WT). The WT-PUF ...

    Authors: Jin-Jie Ge and Kokki Sakai

    Citation: Journal of Wood Science 1998 44:BF00526253

    Content type: Original Article

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  29. We prepared carpet cleaners containing three wood oils extracted from Thujopsis dolabrata Sieb. et Zucc. var. hondai Makino, Chamaecyparis obtusa Endl., and Chamaecyparis taiwanensis Masamune et Suzuki and studie...

    Authors: Noboru Yamamoto, Yoshifumi Miyazaki and Keisuke Sakuda

    Citation: Journal of Wood Science 1998 44:BF00526251

    Content type: Original Article

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  30. Lignin content in the cell wall was investigated to examine its relation with growth stress, using an ultraviolet microscopic spectrum analyzer. Although a weak correlation existed between the growth stress an...

    Authors: Takashi Okuyama, Hiroshi Takeda, Hiroyuki Yamamoto and Masato Yoshida

    Citation: Journal of Wood Science 1998 44:BF00526250

    Content type: Original Article

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