摘要
利用放大镜及显微镜观察巴里黄檀木材的宏观、显微构造,结合图像测量分析系统测定、分析各种细胞的形态特征,采用CIE L*a*b*色度空间表色体系测定木材材色,静滴接触角/界面张力测定仪测定表面接触角。结果表明,巴里黄檀为散孔材,导管细胞多数单管孔及径列复管孔,导管细胞中鼓形导管细胞最多占79.42%,纺锤形导管细胞最少占1.97%;木纤维中细长纺锤形韧型纤维居多,腔小壁厚,细胞壁腔比0.89;木射线主要有横卧射线细胞和方形射线细胞宽度细胞3～5个,高度细胞10～15个;轴向薄壁组织丰富,细胞长度与宽度分别为129.40μm和23.14μm;轴向薄壁细胞和射线细胞中含有较多结晶细胞等深色内含物;木材色相以低饱和度的红黄色调为主,属于深材色树种;40s表面接触角变化5.78°,亲水湿润性较好。通过以上分析为红木类木材的识别与鉴定提供理论依据,丰富木材识别鉴定的基础理论。
The macro-and microscopic structures of Dalbergia bariensis wood were observed by using magnifying glass and microscopes.Combined with the image measurement and analysis system,the morphological characteristics of various cells were determined and analyzed.The wood color was determined by CIE L*a*b*chromaticity space.The surface contact angle was determined by static drop contact angle/interface tension meter.The results showed that the wood of D.bariensis was diffuse and porous,most of the vessel cells were single tubing and diameter duplicate tubing.The drum duct cells in the vessel cells accounted for up to 79.42%,and spindle-shaped vessel cells accounted for at least 1.97%.Most of the wood fibers were slender spindle-shaped tough fibers,with thick small cavity wall,and the cell wall cavity ratio was 0.89.Wood rays mainly included 3 to 5 horizontal/squared wide ray cells and 10 to 15 high cells.The axial parenchyma was rich in tissue,and the cell length and width were 129.40μm and 23.14μm,respectively.The axial thin-walled cells and ray cells contained more dark contents such as crystalline cells.The color of wood was mainly red and yellow with low saturation,belonging to deep wood color tree species.The surface contact angle of 40 swas 5.78°,indicating its high hydrophility.The results provided a theoretical basis for the identification of redwood species and enriched the basic theories of wood identification.
作者
黄广华
陈瑞英
陈居静
HUANG Guang-hua;CHEN Rui-ying;CHEN Ju-jing(College of Architectural Engineering,Zhangzhou Institute of Technology,Zhangzhou363000,Fujian,China;College of Material Engineering,Fujian Agriculture and Forestry University,Fuzhou350002,Fujian,China;College of Education and Art,Ningde Teachers College,Ningde 352100,Fujian,China)
出处
《西北林学院学报》
CSCD
北大核心
2019年第2期234-239,共6页
Journal of Northwest Forestry University
基金
国家自然科学基金(30271057)
福建省中青年教师教育科研资助项目(JZ180807)
关键词
巴里黄檀
宏观构造
微观结构
材色
表面接触角
Dalbergia bariensis
macrostructure
microstructure
wood color
contact angle
