交叉纹
交叉纹-
东北针叶树材交叉场纹孔扫描电镜观察
Cross-field pits of northeast coniferous woods observed by scanning electron microscope
-
交叉场纹孔为杉木型，2～6（8）个；
Cross fields are predominantly taxodioid with 2-6 ( 8 ) pits .
-
交叉场纹孔长轴位置沿水平到垂直方向变化。
The long-axis position of cross field pits changed from horizontal direction to vertical direction .
-
从管胞分子长度、管胞分子直径、射线高度、射线频率、纹孔类型、交叉场纹孔类型、交叉场纹孔数目等方面，比较了它们木材解剖特征的差异。
Wood anatomy characteristics including tracheid length , tracheid diameter , rays height and frequency , cross field pits types and numbers were studied .
-
有多重交叉线的低纹。
Shading consisting of multiple crossing lines .