Bright sap

But for wood peel’s special shape, it go against machine peeling, so generally the way of peeling is handwork in China.

木材边皮即原木经过锯切以后剩下的边角料,一般形状为长条型、板材较薄,尺寸较小。

In this article, sapwood area is used as a scalar to extrapolate the stand water use from whole tree water use measured by heat pulse velocity recorder(HPVR).

该文在单木液流测定的基础上 ,采用边材面积作为纯量 ,对京北山区水源保护林的主要树种油松、刺槐林进行由单木到林分耗水的推算 。