Basic Research on Introducing Electrical Conduction into Wood Quality Rating and Wood Quality Management of Sugi (Cryptomeria Japonica) Cultivars and Karamatsu (Larix Leptolepis).

将电传导引入杉木（Cryptomeria Japonica）品种和唐松（Larix Leptolepis）木材质量评级和木材质量管理的基础研究。

• 批准号: 01560190
• 负责人: TSUTSUMI Juichi
• 金额: $ 1.34万
• 依托单位: Kyushu University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for General Scientific Research (C)
• 财政年份: 1989
• 资助国家: 日本
• 起止时间: 1989 至 1990
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-01560190/
• 关键词: wood quality; electrical conductivity; wood quality control; sugi cultivar; karamatsu; wood industry; annual ring analysis; intrinsic wood properties; 材質評価; 電気伝導率; 画像処理; 年輪構造; 容積密度数; ミクロフィブリル; 木材の力学性

The basic purpose that this research aims at is to extend fundamental knowledge, which provides information for setting the parameters in the wood quality control procedure and the wood quality management by using electrical conductivity.It is important to analyze the interaction between the wood structure and the physical and mechanical properties to attain the purpose of this research.The information obtained on the basis of precise experiments is indispensable to introducing the electrical conductivity into wood quality control procedures.The results obtained in the research were as follows.1) Wood quality concepts were considered in relation to the wood industry and the forest industry.2) The electrical conductivity will be able to gain acceptance as a wood quality index.3) The values of coefficient of variation for intrinsic wood properties which have been accumulated in recent years were tabulated.Particular variations arising from genetic variation were recognized in given sugi cultivars.An applicalbility of introducing intrinsic wood properties to quality control were discussed by using karamatsu, and there still remains some problems.4) The effect of the wood structure on the mechanical behavior within growth increments was analyzed.5) The effects of microfibril angle and tracheid cell wall thickness on the electrical conductivity were determined quantitatively.

这项研究目的的基本目的是扩展基本知识，该目的提供了通过使用电导率来设置木材质量控制程序和木材质量管理中参数的信息，这对于分析木材结构和物理和机械性能之间的相互作用很重要，以实现本研究的目的。根据精确的研究，该研究的信息是造成材料的质量，以供木材进行质量，从而介绍了对木材的质量进行质量，以实现木材的质量。如下所示。1）木材质量概念是与木材工业和森林行业有关的。2）电导率将能够作为木质质量指数获得接受。3）近年来积累的内在木材特性的变化系数值的值是在遗传变化中引起的，在遗传上质量质量。通过使用karamatsu讨论，仍然存在一些问题。4）木材结构对生长增量内机械行为的影响进行了定量确定微纤维角和气管细胞壁厚对电导率的影响。

项目成果

古賀 信也: "スギ品種内の木材性質のバラツキ" 九州大学農学部演習林報告. 62号. 101-113 (1990)

Shinya Koga：“雪松品种之间木材特性的变化”九州大学农学部实验森林报告第 62. 101-113 (1990)。

TSUTSUMI, Juichi: "Variation management in tracheid length of karamatsu (Larix leptolepis)." Bull Kyushu Univ. Forest. (1992)

TSUTSUMI, Juichi：“唐松 (Larix leptolepis) 管胞长度的变异管理。”

KOGA, Shin-ya et al: "Variation in wood properties within sugi (Cryptomeria japonica) cultivars." Bull Kyushu Univ. Forest. 62. 101-113 (1990)

KOGA、Shin-ya 等人：“杉树（Cryptomeria japonica）品种中木材特性的变化。”

堤 壽一: "材質管理を目指すためのカラマツ仮道管長のバラツキ管理" 九州大学農学部演習林報告. (1992)

Juichi Tsutsumi：“控制落叶松管胞长度变化的管理”九州大学农学部实验林报告（1992）。

黒田尚宏: "カラマツ材の組織・構造と電気伝導" 木材学会誌. (1990)

Naohiro Kuroda：“落叶松木材的组织/结构和电传导”日本木材学会杂志（1990）