Relations Between Permeability and Structure of Wood

编号 zgly0000303650

文献类型 期刊论文

文献题名 Relations Between Permeability and Structure of Wood

学科分类 220.5540;木材学

作者 BaoFucheng  ZhaoYouke  LUJianxiong 

作者单位 ResearchInstituteofWoodIndustry 

母体文献 Forestry Studies in China;中国林学: 英文版 

年卷期 2003,5(1)

页码 34-38

年份 2003 

分类号 S781.3 

关键词 马尾松  中国冷杉  木材结构  木材渗透性  关系  心材  边材  空气干燥 

文摘内容 The permeability and the structure of heartwood and sapwood of the solvent-exchange dried and the air-dried green-wood of Chinese-fir(Cunninghamia lanceolata(Lamb.)Hook.)and masson pine(Pinus massoniana Lamb.) were measured in order to study the relations between the permeability and the structure.The results showed that the permeability of sapwood of both the air-dried and the solvent-exchange dried wood was higher than that of heartwood,and the permeability of the solvent-exchanged a bigger number of flow path per unit area of the wood perpendicular to the flow direction resulted from a bigger number of unaspirated pits per unit area and a bigger number of effective pit openings per membrane,and on the other hand,a smaller number of tracheid in series connection per unit length parallel to flow direction resulted from a longer tracheid longth and an effective tracheid length for permeability。