Volume 45, Number 1    1999

Original articles
J.-S. Park, K. Hayashi, K. Nakamura
A trial approach to the estimation of size distribution of free water paths in the undried heartwood of softwoods by centrifugal method    1

M. Nakamura, M. Masuda, K. Shinohara
Multiresolutional image analysis of wood and other materials    10

T. Nakano
Analysis of creep of wood during water adsorption based on the excitation-response theory    19

H. Yoshihara, H. Ohsaki, Y. Kubojima, M. Ohta
Applicability of the Iosipescu shear test on the measurement of the shear properties of wood    24

J. Nyström, O. Hagman
Real-time spectral classification of compression wood in Picea abies    30

F. Febrianto, M. Yoshioka, Y. Nagai, M. Mihara, N. Shiraishi
Composites of wood and trans-1,4-isoprene rubber I: Mechanical, physical, and flow behavior    38

K. Ito, A. Isogai, F. Onabe
Retention behavior of size and aluminum components on handsheets in rosin-ester size/alum systems    46

H. Ohashi, T. Kyogoku, T. Ishikawa, S. Kawase, S. Kawai
Antioxidative activity of tree phenolic constituents I: Radical-capturing reaction of flavon-3-ols with radical initiator    53

W.-Y. Chung, S.-G. Wi, H.-J. Bae, B.-D. Park
Microscopic observation of wood-based composites exposed to fungal deterioration    64

M. Ohkoshi, A. Kato, K. Suzuki, N. Hayashi, M. Ishihara
Characterization of acetylated wood decayed by brown-rot and white-rot fungi    69

T. Suzuki, K. Deguchi, Y. Kimura, M. Funaki, T. Yamada
Hydrogasification of wood for high heating-value gas production X: Effect of pretreatment of Japanese oak bark by HNO3 oxidation on subsequent iron-catalyzed hydrogasification    76

Announcement    84


Volume 45, Number 2    1999

Original articles
S. Ogita, H. Ishikawa, T. Kubo, H. Sasamoto
Somatic embryogenesis from immature and mature zygotic embryos of Cryptomeria japonica I: Embryogenic cell induction and its morphological characteristics    87

T. Fujiwara, N. Okada, K. Yamashita
Comparison of growth response of Abies and Picea species to climate in Mt. Norikura, central Japan    92

X.-M. Diao, T. Furuno, M. Fujita
Digital image analysis of cross-sectional tracheid shapes in Japanese softwoods using the circularity index and aspect ratio    98

E. Obataya
Suitability of acetylated woods for clarinet reed    106

Y. Zhou, M. Fushitani, T. Kubo, M. Ozawa
Bending creep behavior of wood under cyclic moisture changes    113

K. Ando, H. Onda
Mechanism for deformation of wood as a honeycomb structure I: Effect of anatomy on the initial deformation process during radial compression    120

S.-Y. Wang, H.-L. Wang
Effects of moisture content and specific gravity on static bending properties and hardness of six wood species    127

Z.-H. Wu, T. Furuno
Stress distributions and failure types of curved laminated veneer lumber for use in furniture under loading    134

X. Geng, R. Kondo, K. Sakai, Z. Lee
Improvement of dispersing property of sodium sulfite-formaldehyde-anthraquinone pulping effluent by treatment with Coriolus versicolor    143

K. Koda, H. Shintani, Y. Matsumoto, G. Meshitsuka
Evaluation of the extent of oxidation reaction during chlorine breaching of pulp    149

M. Kato, A. Isogai, F. Onabe
Factors influencing retention behavior of aluminum compounds on handsheets    154

Notes
N. Kasuya, T. Suzuki, A. Sawatari
Studies on the thermal properties and structures of deoxyhalocelluloses    161

T. Imai, H. Goto, H. Matsumura, S. Yasuda
Determination of the distribution and reaction of polysaccharides in wood cell walls by the isotope tracer technique VIII: Selective radiolabeling of xylan in mature cell walls of magnolia (Magnolia kobus DC.) and visualization of its distribution by microautoradiography    164

T. Yamaguchi, K. Fujita, K. Sakai
Biological activity of extracts from Cupressus lusitarica cell culture    170

N.-S. Cho, J. Rogalski, M. Jaszek, J. Luterek, M. Wojtas-Wasilewska, E. Malarczyk, M. Fink-Boots, A. Leonowicz
Effect of coniferyl alcohol addition on removal of chlorophenols from water effluent by fungal laccase    174

Letter to the editor
Increase of error in lignin measurement using ultraviolet microscopy due to multiple scanning    179

Announcement    181


Volume 45, Number 3    1999

Original articles
M. Ohyama, K. Baba, T. Itoh, S. Shiraishi
Polymorphism analysis of Fagaceae and DNA-based identification of Fagus species grown in Japan based on the rbcL gene    183

R. Nakada, Y. Fujisawa, Y. Hirakawa
Soft X-ray observation of water distribution in the stem of Cryptomeria japonica D. Don I: General description of water distribution    188

R. Nakada, Y. Fujisawa, Y. Hirakawa
Soft X-ray observation of water distribution in the stem of Cryptomeria japonica D. Don II: Types found in wet-area distribution patterns in transverse sections of the stem    194

T. Takeda, T. Hasizume
Differences of tensile strength distributions between mechanically high grade and low grade Japanese larch lumbers I: Effect of length on the strength of lumber    200

T. Takeda, T. Hasizume
Differences of tensile strength distributions between mechanically high grade and low grade Japanese larch lumbers II: Effect of knots on tensile strength distribution    207

Z.-H. Wu, T. Furuno, H. Yoshihara
Calculation models of pressure and position of curved laminated veneer lumber in molds during pressing    213

Y.-G. Sun, T. Arima
Structural mechanics of wood composite materials II: Ultrasonic propagation mechanism and internal bonding of particleboard    221

K. Sakai, M. Matsunaga, K. Minato, F. Nakatsubo
Effects of impregnation of simple phenolic and natural polycyclic compounds on physical properties of wood    227

T. Ikeda, S. Hosoya, Y. Tomimura, K. Magara, I. Takano
Sulfuric acid bleaching of kraft pulp I: Bleaching of hardwood and softwood kraft pulps    233

K. Ohno, A. Isogai, F. Onabe
Retention behavior of size and aluminum components in handsheets prepared in rosin soap size-alum systems    238

S. Yasuda, E. Hamaguchi, K. Asano
Ready chemical conversion of acid hydrolysis lignin into water-soluble lignosulfonate III: Successive treatment of acid hydrolysis lignin and a lignin model compound by phenolation and arylsulfonation    245

Notes
Kosei Ando, Hitoshi Onda
Mechanism for deformation of wood as a honeycomb structure II: First buckling mechanism of cell walls under radial compression using the generalized cell model    250

M. Sugimori, F. Lam
Macro-void distribution analysis in strand based wood composites using an X-ray computer tomography technique    254

J. Araki, M. Wada, S. Kuga, T. Okano
Influence of surface charge on viscosity behavior of cellulose microcrystal suspension    258

H. Hirai, R. Kondo, K. Sakai, Y. Watanabe, R. Kurane
Reduction of ferric chelate caused by various wood-rot fungi    262

N.-S. Cho, M. Aoyama, K. Seki, N. Hayashi, S. Doi
Adsorption by coniferous leaves of chromium ions from effluent    266

Rapid communication
S.-T. Chang, S.-Y. Wang, S.-S. Cheng
Red color enhancement of sugi (Cryptomeria japonica D.Don) heartwood by light irradiation    271

Announcement    274


Volume 45, Number 4    1999

Original articles
K. Ando, M. Ohta
Variability of fracture toughness by the crack tip position in an annual ring of coniferous wood    275

C. Pirvu, H. Yoshida, K. Taki
Development of LVL frame structures using glued metal plate joints I: Bond quality and joint performance of LVL-metal joints using epoxy resins    284

G. Han, K. Umemura, S. Kawai, H. Kajita
Improvement mechanism of bondability in UF-bonded reed and wheat straw boards by silane coupling agent and extraction treatments    291

T. Kawasaki, M. Zhang, S. Kawai
Sandwich panel of veneer-overlaid low-density fiberboard    299

M. Higuchi, S. Nohno, M. Morita, S. Tohmura
Kinetics of the hydroxymethylation of phenol II: Values of rate parameters and results of simulation experiments    306

T. Ikeda, Y. Tomimura, K. Magara, S. Hosoya
Sulfuric acid bleaching of kraft pulp II: Behavior of lignin and carbohydrate during sulfuric acid bleaching    313

X.-J. Pan, Y. Sano
Acetic acid pulping of wheat straw under atmospheric pressure    319

Y. Shen, Y. Kojima, M. Terazawa
Two lignan rhamnosides from birch leaves    326

Y. Shen, Y. kojima, M. Terazawa
Four glucosides of p-hydroxyphenyl derivatives from birch leaves    332

S. Ohga
Effect of water potential on fruit body formation of Lentinula edodes in sawdust-based substrate    337

Y. Lian, J. Xu, P. Lin, S. Meguro, S. Kawachi
Five heavy metals in propagules of ten mangrove species of China    343

Notes
Y. Sudiyani, S. Tsujiyama, Y. Imamura, M. Takahashi, K. Minato, H. Kajita
Chemical characteristics of surfaces of hardwood and softwood deteriorated by weathering    348

M. Terazawa, S. Horisawa, Y. Tamai, K. Yamashita
Biodegradation of nonlignocellulosic substances I: System for complete decomposition of garbage using sawdust and aerobic soil bacteria    354

Announcement    359


Volume 45, Number 5    1999

Original articles
M. Yoshida, O. Yamamoto, Y. Tamai, Y. Sano, M. Terasawa, T. Okuyama
Investigation of change in tangential strain on the inner bark of the stem and root of Betula platyphylla var. japonica and Acer mono during sap season    361

M. Yoshida, T. Nakamura, H. Yamamoto, T. Okuyama
Negative gravitropism and growth stress in GA3-treated branches of Prunus spachiana Kitamura f. spachiana cv. Plenarosea    368

W. Dwianto, T. Morooka, M. Norimoto
Method for measuring viscoelastic properties of wood under high temperature and high pressure steam conditions    373

E. Obataya, M. Norimoto
Mechanical relaxation processes due to sugars in cane (Arundo donax L.)    378

D. Guitard, H. Kasse, H. Yamamoto, T. Okuyama
Growth stress generation: A new mechanical model of the dimensional change of wood cells during maturation    384

N. Hattori, T. Iida
Idling noise from circular saws made of metals with different damping capacities    392

S.-Y. Wang , T.-Y. Chen, J.-D. Fann
Comparison of internal bond strength and compression shear strength of wood-based materials    396

H. Korai, K. Uemura, T. Esashi, M. Suzuki
Dimensional stability and strength properties of particleboard produced by a closed-press system    402

S. K. Datta, M. Higuchi, M. Morita
Analysis of phenol-resorcinol-formaldehyde resins    411

T. Ikeda, Y. Tomimura, K. Magara, M. Ishihara, S. Hosoya
Sulfuric acid bleaching of kraft pulp III: Reactivity of kraft pulping-resistant structures under acidic conditions    417

X. Zhang, H. Tanaka
Synthesis of polymers containing isocyanate groups and use of polymers as paper dry and wet strength additives    425

S. Ohga
Evaluation of maturity by use of pH indicators in sawdust-based cultures of Lentinula edodes    431

Notes
T. Shimokawa, T. Ishii, T. Matsunaga
Isolation and structural characterization of rhamnogalacturonan II-borate complex from Pinus densiflora    435

S. Kawai, K. Okita, K. Sugishita, A. Tanaka, H. Ohashi
Simple method for synthesizing phenolic b-O-4 dilignols    440

Announcement    444


Volume 45, Number 6    1999    (Preview)

Review article
J. Y. Sheikh-Ahmad, J. A. Bailey
High-temperature wear of cemented tungsten carbide while machining particleboard and fiberboard

Original articles
J. Matsumura, R. E. Booker, B. G. Ridoutt, L. A. Donaldson, N. Mikajiri, H. Matsunaga, K. Oda
Impregnation of radiata pine wood by vacuum treatment II: effect of presteaming on wood structure and resin content

T. Morita, K. Banshoya, T. Tsutsumoto, Y. Murase
Corrosive-wear characteristics of diamond-coated cemented carbide tools

M. Matsunaga, K. Minato, F. Nakatsubo
Vibrational property changes of spruce wood by impregnation with water-soluble extractives of pernambuco (Guilandina echinata Spreng.)

F. Wang, Z. Wu, H. Tanaka
Preparation and sizing mechanisms of neutral rosin size II: functions of rosin derivatives on sizing efficiency

K. Ohno, A. Isogai, F. Onabe
Mechanism of size retention on handsheets prepared in rosin soap size-alum systems

F. Chen, S. Yasuda, K. Fukushima
Structural conversion of the lignin subunit at the cinnamyl alcohol stage in Eucalyptus camaldulensis

S. Horisawa, M. Sunagawa, Y. Tamai, Y. Matsuoka, T. Miura, M. Terazawa
Biodegradation of nonlignocellulosic substances II: physical and chemical properties of sawdust before and after use as artificial soil

Notes
M. Ohyama, K. Baba, T. Itoh
Possibility of grouping of Cyclobalanopsis species (Fagaceae) grown in Japan based on an analysis of several regions of chloroplast DNA

M. K. Yakinkilic, R. Ilhan, Y. Imamura, M. Takahashi, Z. Demirci, A. C. Yalinkilic, H. Peker
Weathering durability of CCB-impregnated wood for clear varnish coatings