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研究79株日本落叶松Pildoyn测定值、木材基本密度与木材纤维特性间的关系。结果表明: Pilodyn测定值、木材密度、生长量南北方向上存在显著差异。Pilodyn测定值和相同方向上的木材密度存在极显著的负相关(-0.454~-0.587),Pilodyn测定值和晚材纤维特性存在极显著的负相关(-0.329~-0.447),而与早材纤维特性的相关关系不显著(-0.015~-0.137)。建立各个...
Use of the Pilodyn for Estimating Basic Density and Its Applicability to Density-based Classifying of Cryptomeria japonica Green Logs
Pilodyn basic density log classification green condition Cryptomeria japonica
2009/3/6
We used a Pilodyn for estimating basic density in the green condition for the purpose of classifying logs of Cryptomeria japonica D. Don based on their density. The relationships between Pilodyn pene...
Longitudinal Changes of Basic Density and Non-Destructive Quality Evaluation Using the Pilodyn in Todomatsu(Abies sachalinensis)Plus Tree Clones
todomatsu clone longitudinal change basic density Pilodyn penetration
2009/3/4
The longitudinal changes in the basic density of disks (mean Bd) of todomatsu (Abies sachalinensis) were investigated using plus-tree clones and breeding-material clones. The relationship between Pilo...