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Official Journal of the Japan Wood Research Society

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Articles

Page 42 of 43

  1. A series of experiments on the preparation and regeneration of protoplasts from hyphal strands ofVolvariella volvacea (Bull. ex. Fr.) Singer were conducted with the aim of optimizing the conditions for its effici...

    Authors: Renato G. Reyes, Fumio Eguchi, Tomoaki Iijima and Miyato Higaki
    Citation: Journal of Wood Science 1998 44:BF01130455
  2. To investigate the relations between growth and the wood properties of Japanese larch (Larix kaempferi), six sample trees of varied ages and radial growth were felled and the ring width, ring density, percentage ...

    Authors: Jianjun Zhu, Tatsuo Nakano and Yasuhiko Hirakawa
    Citation: Journal of Wood Science 1998 44:BF01130453
  3. 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
  4. 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
  5. 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
  6. The development of a layout plan for a new plant with the aid of genetic algorithms was studied to place the machines so that the plant floor was effectively utilized and the operation would not be impeded. Ge...

    Authors: Toshiro Tochigi, Chiaki Tadokoro, Jun Kobayashi, Izumi Sugawara and Sachie Takahashi
    Citation: Journal of Wood Science 1998 44:BF01130444
  7. 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
  8. 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
  9. 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
  10. 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
  11. 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
  12. 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
  13. 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
  14. 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
  15. 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
  16. 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
  17. 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
  18. 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
  19. 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
  20. 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
  21. 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
  22. 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
  23. 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
  24. 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
  25. 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
  26. 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
  27. 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
  28. 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
  29. 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
  30. 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
  31. 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
  32. 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

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