Volume 51, Number 1 (2005)

Review articles
Yoshihiro Katayama
Advance and prospect in the molecular biology of tree     1

Keiji Takabe
Cambial activities of wood formation     4

Hisashi Abe
Present state and future perspectives on the research of wood anatomy and wood quality     7

Naohiro Kuroda
Trends of wood drying research in Japan     10

Hiroyuki Yano
Wood physics: past, present and future     13

Noboru Nakamura
The present state and outlook on reliability studies of timber structures and wood-based materials     16

Yasuhide Murase
Trends and views in wood machining research     19

Minoru Masuda
Circumstances and impressions on sensory and living comfort studies in the wood research society     22

Motoaki Okuma
Trend and view of the study on wood strength and timber construction     25

Shigehiko Suzuki
Current trends in development on wood based materials     29

Bunichiro Tomita
Wood adhesives and adhesion- Recent 25 years and future     33

Makoto Ohkoshi
Present situation and prospects of the study of chemical processing of wood : Aiming at converting wood into Ecomaterials     36

Takayuki Okayama
Recent trends in studies on pulp and paper science and technology     39

Akira Isogai
Cellulose and hemicellulose researches; Present situation and future prospects     42

Gyosuke Meshitsuka
Present status and future prospect of study on lignin     45

Toshiaki Umezawa
Perspectives of future studies of wood extractives     48

Ryuichiro Kondo
Physiological action and beneficial effects of wood extractives     50

Shuichi Doi
Wood preservation research and technology development: Japanese perspective     52

Shoji Ohga
The future of mushroom science     55

Shiro Saka
Bioenergy from woody biomass     58

Masamitsu Funaoka
Advanced sustainable utilization of lignocellulosics     60

Mitsuyoshi Yatagai
Wood charcoal, a new raw material for the future     62

Takashi Okuyama
Motivation to work on tropical plantation timber     64

Takao Itoh
Recent advances in studies of wooden cultural properties- Aspect of wood identification and dendrochronology -     67

Hiroyuki Ikegiwa, Yoshiaki Taniguchi
Present state of wood and wood technology education and prospect for future study     70

Proceedings of the Society      73


Volume 51, Number 2 (2005)

Original articles
Takaaki Fujimoto, Hisashi Akutsu, Kazuhito Kita, Kazuko Uchiyama, Makoto Kuromaru, Kazuyuki Oda
Genetic variation in the age of transition from juvenile to mature wood in hybrid larch (Larix gmelinii var. japonica x L. kaempferi) F1     85

Yukiko Ishikura, Takato Nakano
Shape change with the alkali treatment for woods     92

Kosei Ando, Mariko Yamasaki, Jyunko Watanabe, Yasutoshi Sasaki
Torsional fatigue properties of wood     98

Masafumi Inoue, Koji Adachi, Kosuke Omae, Mitsuhiro Kohara, Kozo Kanayama
Roller compression of wood     104

Kayoko Namura, Kuniyoshi Yanaga, Yoshihisa Sasaki, Akio Koizumi, Takuro Hirai
Lateral resistance of anchor-bolt joints between timber-sills and foundations I: Single-shear tests of anchor-bolt joints of Japanese post and beam constructions     110

Hitomi Miyata, Makoto Shinozaki
Discrimination of paper by two-dimensional Fourier transform: Periodicity seen in light-reflected images of sheets in boxed facial tissue     118

Note
Makoto Nakatani, Kohei Komatsu
Mechanism of pull-out performance of lagscrewbolted timber joints I: Effects of lead hole diameter, embedment depth, embedment direction and edge distance on pull-put performance     125

Proceedings of the Society      131


Volume 51, Number 3 (2005)

Original articles
Daisuke Fukunaga, Junji Matsumura, Kazuyuki Oda
Microfibril angles in S2 layer of tracheids in root and stem woods of Chamaecyparis obtusa: Prediction of microfibril angle of mature wood in stem by root wood     141

Yoshihiko Hirashima, Mina Sugihara, Yasutoshi Sasaki, Kosei Ando, Mariko Yamasaki
Strength properties of aged wood III: Static and impact bending strength properties of aged wood of keyaki and akamatsu     146

Eiji Udaka, Takeshi Furuno
Relationships between the pressure in the closed space and the set recovery of the compressive deformation of wood using a closed heating system     153

Koji Adachi, Masafumi Inoue, Shuichi Kawai
Liquid impregnation in green wood using a roller-pressing method     159

Hiroshi Imanishi, Naho Soma, Kazutoshi Takeuchi, Hideaki Sugino, Kozo Kanayama
Flow property of wood powder-plastic composites I: Grasp of flow property by capillary flow tests     166

Hiroshi Imanishi, Naho Soma, Kazutoshi Takeuchi, Hideaki Sugino, Kozo Maneyama
Flow property of wood powder-plastic composites II: Analysis and evaluation of flow property by capillary flow tests     172

Takaaki Higashino, Akira Shibata, Mitsuyoshi Yatagai
Basic study of establishment of specification of wood vinegar by distillation I: Study of regulations and reproducibility of compounds contained in distilled wood vinegar     180

Note
Tadashi Ohtani, Yoshitaka Kubojima, Kiyoshi Matsushita
Morphological break and effect of compression volume in tensile strength property of compressed wood     189

Proceedings of the Society      196


Volume 51, Number 4 (2005)

Review article
Shiro Saka, Katsunobu Ehara, Eiji Minami
Efficient utilization of woody biomass by supercritical fluid technologies     207

Original articles
Yoko Midorikawa, Minoru Fujita
Transverse shape analysis of xylem ground tissues by the Fourier transform image analysis III: Shape reconstruction of early wood tracheids in 22 species and some parameters to normalize cell shapes     218

Hisato Oda, Yoshifumi Ebihara, Tadayoshi Sakoda, Noboru Fujimoto, Yasuhide Murase
Variation in moisture content of sugi boxed heart timber in Miyazaki prefecture during kiln drying under high temperature and low humidity II: Distribution of moisture content and change of moisture content     227

Koji Adachi, Masafumi Inoue, Shuichi Kawai
Deformation behavior of wood by roller pressing     234

Notes
Taira Uehara, Makoto Watahiki, Yoshihiko Nishino, Tomoyasu Sakuno
Relationships between internal cracks and shrink strains during high temperature drying of sugi boxed-heat square timbers     243

Hiroshi Tanaka, Motoaki Okuma, Takanori Arima
Mechanical properties of built-up members composed of sugi planks fastened together with wood pegs I: Edgewise bending properties of sugi planks and 2ply built-up beams     249

Akira Tamura, Yoshitake Fujisawa, Kazuya Iizuka, Masahiro Kubota
Influence of heartwood extractives to variations among clones on carbon contents in the heartwood of sugi (Cryptomeria japonica D.Don)     257

Proceedings of the Society      265


Volume 51, Number 5 (2005)

Original articles
Jun Konta, Naoto Ando
Chip orientation measurement using a profile measuring sensor for recycled chips from waste timber     297

Tetsuji Tsujino, Norio Takeuchi, Takuro Hirai
Predicting the modulus of rupture of glued-laminated beams by the rigid bodies-spring model     303

Makoto Nakatani, Kohei Komatsu
Mechanism of pull-out performance in lagscrewbolted timber joints II: Development of a theory of pull-out properties parallel to the grain     311

Takumi Fujita, Naotoshi Komatsu, Shuichi Kawai
Manufacture and properties of gypsum-bonded particleboard III: Improvement of bending properties by overlaying with kenaf fiber mats and evaluation of the combustibility of the boards     318

Mayumi Sato, Naoto Saito, Kazuto Seki, Eiji Fukukawa, Haruhiko Nakazumi
Properties of sugi as high bench culture media for strawberries     327

Notes
Toshimasa Ohgama, Yuji Imamura, Misato Norimoto, Keiko Abe, Hideki Tatsumoto
Humidity conditioning by wood charcoal     334

Shin-ichiro Tomura, Kohta Miyamoto, Akio Inoue
Measurement of aldehyde and VOC emissions from plywood of various formaldehyde emission grades     340

Proceedings of the Society      345


Volume 51, Number 6 (2005)

Original articles
Kensuke Ooi, Yue Wang, Tetsupeii Asada, Ikuho Iida, Yuzo Furuta, Yutaka Ishimaru
Changes of mechanical properties of wood under an unstable state by heating or cooling     357

Yukiko Ishikura, Takato Nakano
Adsorption properties and structural features of alkali treated wood     364

Shinji Yamamoto, Takato Nakano, Misato Norimoto, Junko Miyazaki
Analysis of water adsorption of bamboos on the basis of Hailwood & Horrobin theory     372

Noboru Sekino, Yoshihiro Kawamura, Go Yamauchi
Binder-less wood chip insulation panel for building use made from wood processing residues and wastes IV: Heat storage capacity of full-scale thick panels manufactured using wood shavings     380

Hiroaki Yoshimoto, Fumio Eguchi, Miyato Higaki, Shoji Ohga
Influence of culture medium components on the pharmacological effects of Agaricus blazei     387

Notes
Syunji Tsushima, Shinya Koga, Kazuyuki Oda, Susumu Shiraishi
Growth and wood properties of sugi (Cryptomeria japonica) cultivars planted in the Kyushu region     394

Kunio Kawamoto, Hiroshi Hayashi, Miftahul Huda, Wenming Qiao, Isao Mochida
Molded charcoal prepared from bark charcoal and wood pyrolysis tar     402

Proceedings of the Society      408