Meanwhile, there were not significant differences in wood airdry density, mechanical strength and cell wall percentage of intra provenance.
种源内木材气干密度、力学强度及胞壁率差异不显著,管胞长、宽和壁厚的差异均显著且高于种源间的差异。
2
The upper level dry and cold air with high moist potential vorticity value was superposed to the low-level disturbance, which was advantageous to instability stratification strength and precipitation.