搜索结果: 1-2 共查到“木材学 DETERMINATION”相关记录2条 . 查询时间(0.313 秒)
Attempt to define morphological parameters enabling sex determination of Ips typographus (Linaeus, 1758) (Coleoptera: Curculionidae: Scolytinae) using PCA and CLU
spruce bark beetle principal components analysis cluster analysis
2015/5/5
There are only two known methods for determining the sex of Ips typographus (L.) – dissection that cannot be used with live beetles and by distinguishing between the density of the hairs on the head, ...
Determination of loading capacity depending on bevel angle of the wooden bonded scarf joint
scarf joint bonded joint wood loading capacity Mohr's circle
2014/2/26
The paper is focused on comparison of experimental and simple theoretical method of determination of loading capacity depending on bevel angle of wooden bonded scarf joint. The Mohr's circle principle...