加纳沙草茎枝木材特性的变化

Antwi Kwaku, Cremer Tobias, Frimpong Kwasi
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引用次数: 0

摘要

研究了荆芥茎材和枝材的特性。在加纳中部地带,选择了五棵胸脯高度直径相同的成熟树木。机械特性和基本密度分别按照英国标准BS 373和ASTMD 2395进行测定。IAWA鉴定硬木的显微特征列表之后是解剖特征。基本密度、力学、解剖参数均呈正相关(P<0.05)。枝材的基本密度略高于茎材,心材的基本密度略高于边材。心材与边材的MoE、MoR、压缩、剪切和硬度变化不大。另一方面,茎和枝却具有可比性。解剖上茎材纤维百分比高于枝材,心材纤维百分比高于边材纤维百分比。树枝里的血管比茎里的多,树液里的血管比心脏里的多。papaverifera的枝材具有中等强度的品质,与大多数中等结构树种的茎材相当,因此可以作为其茎材的补充材料。该研究提供了关于papaverifera分支木的信息,可能会激发人们对将分支木作为木制品生产补充材料的信任和兴趣。
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Variations of Stem and Branch Wood Properties of Nesogordonia papaverifera in Ghana
The characteristics of Nesogordonia papaverifera stemwood and branchwood were investigated. Within Ghana's middle belt, five mature trees with identical diameter at breast height were chosen. Mechanical characteristics and basic density were determined in accordance with British Standard BS 373 and ASTMD 2395, respectively. The IAWA list of microscopic features for hardwood identification was followed by anatomical features. Basic density, mechanical, and anatomical parameters all had a positive connection (P<0.05). Branchwood had a little higher basic density than stemwood, and heartwood had a slightly higher basic density than sapwood. There were minor changes in MoE, MoR, compression, shear, and hardness between the heartwood and sapwood. The stem and branch, on the other hand, were comparable. Fibre percentages were higher in stemwood than branchwood and in heartwoods than sapwoods anatomically. There were more vessels in the branch than in the stem, and in the sap than in the heart. The branchwood of N. papaverifera had medium strength qualities that were comparable to most medium construction species' stemwood and could thus be used in addition to their stemwood. The study has offered information on N. papaverifera branchwood that may inspire trust and interest in the use of branchwood as a supplemental material in the manufacture of wood products.
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