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Official Journal of the Japan Wood Research Society

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Articles

Page 34 of 38

  1. Chinese raw tall oil samples, which were obtained from pulp and papermaking factories in Qingzhou and Jiamusi, were first divided into acidic and neutral parts with a diethylaminoethyl-Sephadex (DEAE-Sephadex)...

    Authors: Shi-Fa Wang, Takeshi Furuno, Zhi Cheng, Tohru Uehara and Sadanobu Katoh

    Citation: Journal of Wood Science 2000 46:BF00776459

    Content type: Note

    Published on:

  2. Heartwood of pernambuco (Guilandina echinata Spreng, synCaesalpinia echinata Lam.), which has been used as material for violin bows, was extracted by soaking in water, and the obtained extractives were analyzed. ...

    Authors: Masahiro Matsunaga, Keiko Sakai, Hiroshi Kamitakahara, Kazuya Minato and Fumiaki Nakatsubo

    Citation: Journal of Wood Science 2000 46:BF00776458

    Content type: Note

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  3. Copper and arsenic K-edge X-ray absorption fine structure spectroscopy (EXAFS) of pine wood (Pinus radiata) treated with chromated copper arsenate (CCA) timber preservative have been measured. Refinement of the d...

    Authors: David C. Bull, Peter W. Harland, Claire Vallance and Garry J. Foran

    Citation: Journal of Wood Science 2000 46:BF00776457

    Content type: Original Article

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  4. We have isolated the cDNA and genomic sequences encoding the major isozyme of manganese peroxidase, MnP3, from the white rot basidiomycetePleurotus ostreatus strain IS1. The genemnp3 is interrupted by 10 introns ...

    Authors: Toshikazu Irie, Yoichi Honda, Hyo-Cheol Ha, Takashi Watanabe and Masaaki Kuwahara

    Citation: Journal of Wood Science 2000 46:BF00776454

    Content type: Original Article

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  5. Our previous paper showed tobacco stalks to posses the characteristics of a raw material for pulp and paper application. It contains the major biomass constituents and cell components common to wood species. I...

    Authors: Shirley Agrupis, Eiichi Maekawa and Kyoji Suzuki

    Citation: Journal of Wood Science 2000 46:BF00776453

    Content type: Original Article

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  6. The effect of steam-exploded wood flour (SE) added to wood flour/plastic composite was examined using SE from beech, Japanese cedar, and red meranti and three kinds of thermoplastic polymer: polymethylmethacry...

    Authors: Masahiro Takatani, Osamu Kato, Takashi Kitayama, Tadashi Okamoto and Mitsuhiko Tanahashi

    Citation: Journal of Wood Science 2000 46:BF00776451

    Content type: Original Article

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  7. In past years high priority was given to developing a seismic design for wood structures, including research on the response of wood structures to earthquakes. In this study a new type of portal frame with rel...

    Authors: Ciprian Pîrvu, Hiroaki Yoshida, Masahiro Inayama, Motoi Yasumura and Kinji Taki

    Citation: Journal of Wood Science 2000 46:BF00776449

    Content type: Original Article

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  8. Polyelectrolyte titration using a fluorescent indicator was applied to determine the electrolytic charges in 10 whiskies at various pH levels. Tannic acid was also titrated to compare the relation between pH a...

    Authors: Hiroo Tanaka, Tomomi Tsukada, Hideaki Ichiura and Hiroyuki Wariishi

    Citation: Journal of Wood Science 2000 46:BF00777367

    Content type: Note

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  9. The phenolic constituents of the roots ofTaxus cuspidata (Japanese yew) were investigated. Four lignans, [(+)-taxiresinol (1), (+)-lariciresinol (2), (−)-secoisolariciresinol (3), and (+)-pinoresinol (4)] were is...

    Authors: Fumio Kawamura, Yoshinari Kikuchi, Tatsuro Ohira and Mitsuyoshi Yastagai

    Citation: Journal of Wood Science 2000 46:BF00777366

    Content type: Note

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  10. Change in the oxidation state of manganese atoms in unbleached hardwood kraft pulp (UKP) during the biological bleaching of UKP withPhanerochaete sordida YK-624 was determined by the electron spin resonance (ESR)...

    Authors: Hirofumi Hirai, Takayuki Oniki, Ryuichiro Kondo and Kokki Sakai

    Citation: Journal of Wood Science 2000 46:BF00777365

    Content type: Note

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  11. Antifeedant activity of some flavonoids and their related compounds against the subterranean termiteCoptotermes formosanus Shiraki was examined with nochoice tests and two-choice tests. The activities of these co...

    Authors: Wakako Ohmura, Shuichi Doi, Masakazu Aoyama and Sciji Ohara

    Citation: Journal of Wood Science 2000 46:BF00777362

    Content type: Original Article

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  12. Synthesis conditions of terpene-phenol-aldehyde resin with a high softening point were studied based on the reactions amongα-pinene, phenol, and formaldehyde. A suitable catalyst system and the best processing co...

    Authors: Shi-Fa Wang, Takeshi Furuno and Zhi Cheng

    Citation: Journal of Wood Science 2000 46:BF00777361

    Content type: Original Article

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  13. The role of Tween 80 in biobleaching of unbleached hardwood kraft pulp (HWKP) with manganese peroxidase (MnP) was investigated. Among the surfactants (e.g., Tween 80, Tween 20, CHAPSO) the most significant bri...

    Authors: Katsunobu Ehara, Yuji Tsutsumi and Tomoaki Nishida

    Citation: Journal of Wood Science 2000 46:BF00777360

    Content type: Original Article

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  14. In the present study the specifically13C-enriched lignin precursors of biosynthesis (i.e., coniferin-[side chainα13C], coniferin-[side chain-β13C] and coniferin-[side chain-γ13C]) were synthesized and administ...

    Authors: Yimin Xie, Sciichi Yasuda, Hong Wu and Huanbin Liu

    Citation: Journal of Wood Science 2000 46:BF00777359

    Content type: Original Article

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  15. To clarify the lowering mechanism of loss tangen (tanδ) of sitka spruce (Picea sitchensis Carr.) wood impregnated with extractives of pernambuco (Guilandina echinata Spreng. synCaesalpinia echinata Lam.), we exam...

    Authors: Masahiro Matsunaga, Eiichi Obataya, Kazuya Minato and Fumiaki Nakatsubo

    Citation: Journal of Wood Science 2000 46:BF00777358

    Content type: Original Article

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  16. There have been many attempts to predict the performance of glulam beams. Several approaches have been taken, from early empirical techniques to more sophisticated stochastic methods. In recent years, more emp...

    Authors: Jun-Jae Lee and Gwang-Chul Kim

    Citation: Journal of Wood Science 2000 46:BF00777357

    Content type: Original Article

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  17. Changes in the velocity of ultrasonic waves propagating in wood normal to the direction of applied stresses are discussed. The ultrasonic modes considered here are longitudinal waves and shear waves with parti...

    Authors: Masumi Hasegawa, Yasutoshi Sasaki and Toshihiro Iwata

    Citation: Journal of Wood Science 2000 46:BF00777355

    Content type: Original Article

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  18. It is well known that the presence of knots in structural lumber is one of the most important strengthreducing factors. For practical purposes, visual grading including knot restriction is an effective method ...

    Authors: Takashi Taked and Takeo Hashizume

    Citation: Journal of Wood Science 2000 46:BF00777354

    Content type: Original Article

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  19. To investigate the influence of water on heat treatment, green wood was heat-treated. Sitka spruce (Picea sitchensis Carr.) with about 60% moisture content (MC) was used. Young's modulus and loss tangent were mea...

    Authors: Yoshitaka Kubojima, Takeshi Okano and Masamitsu Ohta

    Citation: Journal of Wood Science 2000 46:BF00779555

    Content type: Note

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  20. The equilibrium position of a current-year branch of the weeping Japanese cherry,Prunus spachiana Kitamura f.spachiana cv.Plenarosea, was estimated by measuring the released strains of growth stresses. In current...

    Authors: Masato Yoshida, Hiroyuki Yamamoto and Takashi Okuyama

    Citation: Journal of Wood Science 2000 46:BF00779554

    Content type: Note

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  21. As an example of activated carbon (AC) moldings, AC sheets were prepared from thermoplastic acetic acid lignin by lamination. The resulting AC sheets are a new type of product that can be applied as water and ...

    Authors: Yasumitsu Uraki, Ryo Taniwatashi, Satoshi Kubo and Yoshihiro Sano

    Citation: Journal of Wood Science 2000 46:BF00779553

    Content type: Original Article

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  22. A fraction containing low-molecular-weight peptides that catalyzes redox reactions between electron donors and O2 to produce ·OH, was partially purified from wood-decaying cultures of the brown-rot fungusTyromyce...

    Authors: Taeko Hirano, Akio Enoki and Hiromi Tanaka

    Citation: Journal of Wood Science 2000 46:BF00779552

    Content type: Original Article

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  23. A new method is applied to evaluate the progress of the oxidation reaction of lignin during oxygen-alkali treatment. This method employs the difference in permanganate consumption of the sample before and afte...

    Authors: Guolin Tong, Tomoya Yokoyama, Yuji Matsumoto and Gyosuke Meshitsuka

    Citation: Journal of Wood Science 2000 46:BF00779550

    Content type: Original Article

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  24. A plasticization method for cellulose acetates (CAs) has been developed that is based on the reaction with dibasic acid anhydrides and monoepoxides during the melting processing. As a continuation of the discu...

    Authors: Mariko Yoshioka, Katsuya Okajima, Tomoko Miyazaki and Nobuo Shiraishi

    Citation: Journal of Wood Science 2000 46:BF00779549

    Content type: Original Article

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  25. Anisotropic thermal properties of molded carbon phenolic spheres (CPS), a mixture of sugi wood charcoal powders and phenol formaldehyde resin molded with a hot press, were investigated. The effects of the carb...

    Authors: Subyakto, Toshimitsu Hata, Shuichi Kawai, Yuji Imamura and Isamu Ide

    Citation: Journal of Wood Science 2000 46:BF00779548

    Content type: Original Article

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  26. The load-deflection curve for static bending and the force-time curve for impact bending of heat-treated wood were examined in detail. The effect of oxygen in air was also investigated. Sitka spruce (Picea sitche...

    Authors: Yoshitaka Kubojima, Takeshi Okano and Masamitsu Ohta

    Citation: Journal of Wood Science 2000 46:BF00779547

    Content type: Original Article

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  27. Tension wood was induced inEucalyptus camaldulensis L. by fixing the stem at an angle. Proteins in the differentiating tissue of tension wood were compared to those of normal wood on sodium dodecyl sulfate polyac...

    Authors: Kei'ichi Baba, Takayuki Asada and Takahisa Hayashi

    Citation: Journal of Wood Science 2000 46:BF00779546

    Content type: Original Article

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  28. Outdoor performances of a polyurethane varnish and an alkyd-based synthetic varnish coated over chromium-copper-boron (CCB)-impregnated Scots pine (Pinus sylvestris L.) and chestnut (Castanea sativa Mill.) [10 (R...

    Authors: Mustafa Kemal Yalinkiliç, Rifat Ilhan, Yuji Imamura, Munezoh Takahashi, Zafer Demirci, Ahmet Cihangir Yalmkiliç and Huseyin Peker

    Citation: Journal of Wood Science 1999 45:BF00538961

    Content type: Note

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  29. Four regions of chloroplast DNA were sequenced as a prospective genetic marker to identify Japanese representatives of Cyclobalanopsis: Quercus acuta, Q. sessilifolia, Q. salicina, Q. myrsinaefolia, Q. glauca, an...

    Authors: Motonari Ohyama, Kei'ichi Baba and Takao Itoh

    Citation: Journal of Wood Science 1999 45:BF00538960

    Content type: Note

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  30. The physical properties of sawdust including porosity, water retention, and water drainage were analyzed to prove its suitability for use as an artificial soil in the automatic decomposer-extinguisher (GADE) m...

    Authors: Sakae Horisawa, Masahide Sunagawa, Yutaka Tamai, Yuki Matsuoka, Tohru Miura and Minoru Terazawa

    Citation: Journal of Wood Science 1999 45:BF00538959

    Content type: Original Article

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  31. The lignin biosynthetic pathway in Eucalyptus camaldulensis was investigated by feeding stems with deuterium-labeled precursor. Pentadeutero[γ,γ-D2 OCD3] coniferyl alcohol was synthesized and supplied to shoots o...

    Authors: Fang Chen, Seiichi Yasuda and Kazuhiko Fukushima

    Citation: Journal of Wood Science 1999 45:BF00538958

    Content type: Original Article

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  32. Four rosin derivatives, including rosin esters and rosinamides, were synthesized and used to prepare neutral rosin sizes. Their effects during sizing are discussed in detail. Compared to natural rosin, the ros...

    Authors: Fei Wang, Zonghua Wu and Hiroo Tanaka

    Citation: Journal of Wood Science 1999 45:BF00538956

    Content type: Original Article

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  33. Sitka spruce (Picea sitchensis Carr.) was treated with water-soluble extractive components of pernambuco (Guilandina echinata Spreng. syn Caesalpinia echinata Lam.) by two methods: impregnation under evacuation u...

    Authors: Masahiro Matsunaga, Kazuya Minato and Fumiaki Nakatsubo

    Citation: Journal of Wood Science 1999 45:BF00538955

    Content type: Original Article

    Published on:

  34. Continuous milling tests with diamond-coated and uncoated cemented carbide tools and polycrystalline diamond tools were carried out on air-dried and wet melapi (Shorea sp.) and western redcedar (Thuja plicata D. ...

    Authors: Takao Morita, Kaoru Banshoya, Takahiro Tsutsumoto and Yasuhide Murase

    Citation: Journal of Wood Science 1999 45:BF00538954

    Content type: Original Article

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  35. Radiata pine sapwood and heartwood were dried using high-temperature, conventional-temperature, and air drying schedules with and without pre-steaming. They were then impregnated by vacuum treatment with doubl...

    Authors: Junji Matsumura, Rudolf E. Booker, Bradley G. Ridoutt, Lloyd A. Donaldson, Naoto Mikajiri, Hiroshi Matsunaga and Kazuyuki Oda

    Citation: Journal of Wood Science 1999 45:BF00538953

    Content type: Original Article

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  36. Published research on the wear processes of cemented tungsten carbide tools used for machining reconstituted wood products was reviewed, and the current state of knowledge in this area was evaluated. Underlyin...

    Authors: Jannal Y. Sheikh-Ahmad and J. A. Bailey

    Citation: Journal of Wood Science 1999 45:BF00538952

    Content type: Review Article

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