纹孔塞
- 网络torus;torns;orus;margo
纹孔塞-
长白鱼鳞云杉木材纹孔塞不同位置对渗透性的影响
Effect of Different Positions of Bordered Pit Torus in Yezo Spruce on Its Permeability
-
由于其绝大多数纹孔塞偏离中央位置，气体渗透性较低，边材和心材分别为0.114和0.045darcy。
The permeability of air _dried sapwood and heartwood was as low as 0.114 and 0.045 darcy respectively .
-
其中有10种（隶8属、4科）木材维管间具缘纹孔膜具纹孔塞，其余不具纹孔塞。
Intervascular pit membranes with torns were found to be present in 10 species from 8 genera belonging to 4 families , but pit membranes were flat in the remainder .