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Official Journal of the Japan Wood Research Society

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  1. The sol–gel method was used to prepare rattan-based silicon carbide (R–SiC) composite ceramics under different pyrolysis parameters through adjustment of the temperature and retention time of the one-step pyro...

    Authors: Shijie Li, Heshuai Cui, Qianli Ma, Xing’e Liu, Youhong Wang, Lili Shang and Yu Zheng

    Citation: Journal of Wood Science 2021 67:58

    Content type: Original Article

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  2. Many researches have been conducted to investigate creep behavior of wood; however, the effects of structure on wood creep behavior remain unclear. Therefore, the effects of existence and distribution of early...

    Authors: Junfeng Hou, Yingqiu Jiang, Yeqiao Yin, Weigang Zhang, Haili Chen, Youming Yu and Zhihong Jiang

    Citation: Journal of Wood Science 2021 67:57

    Content type: Original Article

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  3. The effects of heat treatment at various temperatures on mechanically separated bamboo fibers and parenchyma cells were examined in terms of color, microstructure, chemical composition, crystallinity, and ther...

    Authors: Jieyu Wu, Tuhua Zhong, Wenfu Zhang, Jiangjing Shi, Benhua Fei and Hong Chen

    Citation: Journal of Wood Science 2021 67:56

    Content type: Original Article

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  4. The tung tree (Vernicia fordii) is a non-edible oil plant native to southern China and was introduced in Japan in the nineteenth century. The tree produces tung oil, which is composed of approximately 80% α-eleos...

    Authors: Toshisada Suzuki, Kazuki Sumimoto, Kazuhiro Fukada and Takeshi Katayama

    Citation: Journal of Wood Science 2021 67:55

    Content type: Note

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  5. Wood plastic composites (WPCs) are low-cost biomass composite materials with good mechanical stability and good weather resistance that are mainly used in the areas with low stress levels. Aimed at improving t...

    Authors: Longlong Zhao, Fei Xi and Xiaorui Wang

    Citation: Journal of Wood Science 2021 67:54

    Content type: Original Article

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  6. Kraft lignin is a valuable aromatic renewable resource that is discharged in large quantities during the kraft pulping process. In this study, kraft lignin derivatives with improved solubility and thermal prop...

    Authors: Shiori Suzuki and Tadahisa Iwata

    Citation: Journal of Wood Science 2021 67:53

    Content type: Original Article

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  7. The aim of this study is to identify the active compounds of the essential oil extracted from the Pinus densiflora (Sieb. et Zucc.) wood using the hydrodistillation method and evaluate their anti-inflammatory act...

    Authors: Jiyoon Yang, Won-Sil Choi, Eui-Bae Jeung, Ki-Joong Kim and Mi-Jin Park

    Citation: Journal of Wood Science 2021 67:52

    Content type: Original Article

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  8. Heartwood colour is often an important factor in determining timber prices. However, the determinants of intraspecific variation in heartwood colour, which is useful information for sustainable wood marketing,...

    Authors: Kobayashi Makoto, Elizaveta Susloparova, Ikutaro Tsuyama, Takuya Shimase, Satoshi Nakaba, Naoki Takahashi and Toshiya Yoshida

    Citation: Journal of Wood Science 2021 67:49

    Content type: Rapid Communication

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  9. Shear experiments on mortise and tenon joints with top and bottom notches in the beam end were conducted with the length of the tenon as a variable. In addition, material experiments were performed to investig...

    Authors: Shigefumi Okamoto, Makoto Nakatani, Nobuhiko Akiyama, Kei Tanaka and Takuro Mori

    Citation: Journal of Wood Science 2021 67:47

    Content type: Original Article

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  10. We previously reported the species-specific annual ring formation characteristics of three conifers (slash pine (Pinus elliottii), hinoki (Japanese cypress, Chamaecyparis obtusa) and sugi (Japanese cedar, Cryptom...

    Authors: Yoshio Kijidani, Taku Tsuyama and Katsuhiko Takata

    Citation: Journal of Wood Science 2021 67:46

    Content type: Original Article

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  11. The condensation reaction of lignin is believed to interfere with delignification in alkaline pulping processes, without any clear evidence, which has motivated us to quantitatively revisit it. This paper is t...

    Authors: Toshihiro Komatsu and Tomoya Yokoyama

    Citation: Journal of Wood Science 2021 67:45

    Content type: Original Article

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  12. The conventional stake test is widely used to evaluate wood durability. The test monitors the deterioration level observed on stakes partially inserted into the ground. The test results are conventionally expr...

    Authors: Ikuo Momohara, Haruko Sakai, Hiroshi Kurisaki, Wakako Ohmura, Toshikazu Kakutani, Tokio Sekizawa and Yuji Imamura

    Citation: Journal of Wood Science 2021 67:44

    Content type: Original Article

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  13. The sapwood and heartwood of plantation sugi wood (Cryptomeria japonica), and plantation hinoki (Chamaecyparis obtusa) wood were flat-sawn into timbers, then kiln-dried to a MC level below 12%. These timbers were...

    Authors: Rongfeng Huang, Noboru Fujimoto, Hiroki Sakagami and Shanghuan Feng

    Citation: Journal of Wood Science 2021 67:43

    Content type: Note

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  14. Wood-based panels are made by consolidating mats of resinous wooden raw materials under a hot-pressing process. This study investigates the effect of face-layer moisture content (MC) and face–core–face (FCF) r...

    Authors: Kazushige Murayama, Kensuke Kukita, Hikaru Kobori, Yoichi Kojima, Shigehiko Suzuki and Kohta Miyamoto

    Citation: Journal of Wood Science 2021 67:42

    Content type: Original Article

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  15. The pretensioning force in bolted joints enhances the lateral strength of the connections, and causes the embedment of metal washers into wood. Despite the significance of embedment behavior in the design of b...

    Authors: Masaki Teranishi, Doppo Matsubara, Yoshiaki Wakashima, Hidemaru Shimizu and Akihisa Kitamori

    Citation: Journal of Wood Science 2021 67:41

    Content type: Note

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  16. The static lateral load–slip behavior of a single-shear plywood-to-plywood single-staple connection (SPSC) was investigated experimentally. A mechanics-based approach was used to develop mechanical models for ...

    Authors: Wengang Hu and Jilei Zhang

    Citation: Journal of Wood Science 2021 67:40

    Content type: Original Article

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  17. Snow damage is problematic when cultivating bamboo shoots, and “Uradome”, the practice of removing the tips of new shoots, is used as a preventative measure. Producers perform “Uradome” at empirical times, but...

    Authors: Yuka Furusawa and Tatsuya Ashitani

    Citation: Journal of Wood Science 2021 67:38

    Content type: Note

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    The Correction to this article has been published in Journal of Wood Science 2021 67:50

  18. This study examined the influence of moisture content (MC) on NO2 sorption ability of cedar (Cryptomeria japonica) wood using the specimens with different MCs. Four MC conditions were applied, namely 0%, 8.6%, 12...

    Authors: Miyuki Nakagawa, Shuichi Kawai, Kozo Kanayama and Kenji Umemura

    Citation: Journal of Wood Science 2021 67:37

    Content type: Original Article

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  19. Bamboo has been widely used as a load-bearing material in construction; however, there are limited studies on the stability of slender original bamboo columns. Based on the experimental investigation of thirty...

    Authors: Yuhan Nie, Yang Wei, Linjie Huang, Ying Liu and Fenghui Dong

    Citation: Journal of Wood Science 2021 67:36

    Content type: Original Article

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  20. We conducted our research with the aim of determining whether the “egumi” taste of moso-bamboo shoots differs depending on the production area and how the “egumi” taste of bamboo shoots from Yamagata Prefectur...

    Authors: Yuka Furusawa, Hitoshi Nakamura and Tatsuya Ashitani

    Citation: Journal of Wood Science 2021 67:35

    Content type: Note

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  21. Three-point bending tests were performed on specimens of glued laminated timber with different specimen heights to failure to determine the relationship between specimen height and bending strength under tensi...

    Authors: Shigefumi Okamoto, Nobuhiko Akiyama, Noboru Nakamura, Kenji Aoki and Masahiro Inayama

    Citation: Journal of Wood Science 2021 67:33

    Content type: Original Article

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  22. This article aims to investigate the contact characteristics of mortise and tenon (M&T) joints in the traditional timber structures. In particular, the normal embedded compressive contact between contact surfa...

    Authors: Qifang Xie, Baozhuang Zhang, Lipeng Zhang, Tiantian Guo and Yajie Wu

    Citation: Journal of Wood Science 2021 67:31

    Content type: Original Article

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  23. This study has quantified basic wood density and various types of wood shrinkage in relation to initial spacing (or initial planting density) and tree growth based on a 48-year-old black spruce (Picea mariana) sp...

    Authors: Shu Yin Zhang, Haiqing Ren and Zehui Jiang

    Citation: Journal of Wood Science 2021 67:30

    Content type: Original Article

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  24. Monomeric C6-C2-type lignin model compounds with a p-hydroxyphenyl (H), guaiacyl (G), syringyl (S), or p-ethylphenyl (E) nucleus (1-phenylethanol derivatives) were individually oxidized by MnO2 at a pH of 1.5 and...

    Authors: Shirong Sun and Tomoya Yokoyama

    Citation: Journal of Wood Science 2021 67:29

    Content type: Note

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  25. The paper proposes the use of microwave irradiation to lower the initial moisture content of wood chips. The study involved willow and fir chips fractionated by means of a sieve separator and unfractionated as...

    Authors: Monika Aniszewska, Krzysztof Słowiński, Ewa Tulska and Witold Zychowicz

    Citation: Journal of Wood Science 2021 67:28

    Content type: Original Article

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  26. This study investigates the physiological responses and subjective perceptions of touching wood. In particular, it focuses on their respective relationships with the amount of heat transfer across the hand–mat...

    Authors: Yuko Tsunetsugu and Masaki Sugiyama

    Citation: Journal of Wood Science 2021 67:27

    Content type: Original Article

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  27. Bamboo is now widely used in construction, papermaking, textile, furniture and other fields because of its renewable, fast-growing, high-strength, high-yield and easy processing. However, compared with wood, b...

    Authors: Xiaomeng Hao, Qiuyi Wang, Yihua Wang, Xin Han, Chenglong Yuan, Yu Cao, Zhichao Lou and Yanjun Li

    Citation: Journal of Wood Science 2021 67:26

    Content type: Original Article

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  28. This study attempts to clarify thermodynamic quantification on interaction between poly(vinyl alcohol) (PVA) and wood-derived cellulose nanofibrils (CNFs) obtained by aqueous counter collision (ACC) method. Aq...

    Authors: Gento Ishikawa and Tetsuo Kondo

    Citation: Journal of Wood Science 2021 67:25

    Content type: Original Article

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  29. Wood anatomical traits of xylem are the characteristics of tree rings at cellular and subcellular scales providing important insights on structural features and their linkage to the environment. Therefore, stu...

    Authors: Sudip Pandey

    Citation: Journal of Wood Science 2021 67:24

    Content type: Review Article

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  30. In this study, the out-of-plane shear strength of hybrid cross-laminated timber (CLT) with outer layers of hinoki (hinoki cypress, Chamaecyparis obtusa) and inner layers of sugi (Japanese cedar, Cryptomeria japon...

    Authors: Seiichiro Ukyo, Atsushi Miyatake, Kenta Shindo and Yasushi Hiramatsu

    Citation: Journal of Wood Science 2021 67:23

    Content type: Original Article

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  31. Subalpine conifers are highly sensitive to climatic changes. In these trees, the intra-annual dynamics of cambial activity and phenological process in xylem development are closely associated with climatic con...

    Authors: Jun-Hui Park, En-Bi Choi, Hong-Chul Park, Na-Yeon Lee and Jeong-Wook Seo

    Citation: Journal of Wood Science 2021 67:22

    Content type: Original Article

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  32. The hot-disk method is a transient method for the measurement of thermal properties. This method can measure both the thermal conductivity and thermal diffusivity in a short time for isotropic materials. To es...

    Authors: Kei Maeda, Yuko Tsunetsugu, Kohta Miyamoto and Tatsuya Shibusawa

    Citation: Journal of Wood Science 2021 67:20

    Content type: Original Article

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  33. The thermal degradation reactivities of cellulose and hemicellulose are substantially different in Japanese cedar (Cryptomeria japonica, a softwood) and Japanese beech (Fagus crenata, a hardwood). Uronic acid and...

    Authors: Jiawei Wang, Eiji Minami, Mohd Asmadi and Haruo Kawamoto

    Citation: Journal of Wood Science 2021 67:19

    Content type: Original Article

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  34. Although wood cross sections contain spatiotemporal information regarding tree growth, computer vision-based wood identification studies have traditionally favored disordered image representations that do not ...

    Authors: Sung-Wook Hwang and Junji Sugiyama

    Citation: Journal of Wood Science 2021 67:18

    Content type: Original Article

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  35. Taiwania (Taiwania cryptomerioides Hayata) has long been regarded as a living fossil from the Tertiary period of Mesozoic Era for its distinguished yellowish-red color with purplish-pink streaks presented in its ...

    Authors: Nai-Wen Tsao, Shih-Chang Chien, Yueh-Hsiung Kuo and Sheng-Yang Wang

    Citation: Journal of Wood Science 2021 67:16

    Content type: Original Article

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  36. Increased wood density is obtained by compressing the wood porous structure under suitable moisture and temperature conditions to improve its physical, mechanical and color properties. A recently proposed wood...

    Authors: Alex Cencin, Michela Zanetti, Tiziana Urso and Alan Crivellaro

    Citation: Journal of Wood Science 2021 67:15

    Content type: Original Article

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  37. Inspired by the use of rift-sawn softwood board for covering curved surfaces in Kokerabuki, a traditional Japanese roofing method, we investigated the flexural anisotropy of wood caused by its end-grain orient...

    Authors: Sung-Wook Hwang, Hiroshi Isoda, Takafumi Nakagawa and Junji Sugiyama

    Citation: Journal of Wood Science 2021 67:14

    Content type: Original Article

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  38. Low permeability of wood causes problems during drying of timber. This study evaluated the effects of microwave (MW) pretreatment on the conventional drying behavior and mechanical damages of Chinese fir lumbe...

    Authors: Xiang Weng, Yongdong Zhou, Zongying Fu, Xin Gao, Fan Zhou and Jinghui Jiang

    Citation: Journal of Wood Science 2021 67:13

    Content type: Original Article

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  39. The microtensile properties of mechanically isolated compression wood (CW) and opposite wood (OW) tracheids of Chinese fir (Cunninghamia lanceolata) were investigated and discussed with respect to their structure...

    Authors: Zhu Li, Tianyi Zhan, Michaela Eder, Jiali Jiang, Jianxiong Lyu and Jinzhen Cao

    Citation: Journal of Wood Science 2021 67:12

    Content type: Original Article

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  40. It is important for civil engineering applications to investigate resistance to wood decay in aqueous environments. DNA from microorganisms inhabiting logs (groynes) that had been used for about 15 years as a ...

    Authors: Nanako Ishiyama, Sakae Horisawa, Tadashi Hara, Makoto Yoshida and Ikuo Momohara

    Citation: Journal of Wood Science 2021 67:11

    Content type: Original Article

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  41. We investigated the effect of ultrasonic treatment on Malas (Homalium foetidum) gas permeability and sound absorption coefficient using the transfer function method. Results showed a longitudinal average Darcy pe...

    Authors: Chun-Won Kang, Eun-Suk Jang, Nam-Ho Lee, Sang-Sik Jang and Min Lee

    Citation: Journal of Wood Science 2021 67:10

    Content type: Note

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  42. We performed an analysis using isoelectric focusing to comprehensively clarify the isozyme composition of laccase derived from Japanese lacquer tree, Toxicodendron vernicifluum. When water extracts of acetone pow...

    Authors: Mariko Takano, Masaya Nakamura and Masanobu Tabata

    Citation: Journal of Wood Science 2021 67:9

    Content type: Original Article

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