sapwood

Heart sapwood distinction was not obvious, chestnut brown.

心边材区别不明显, 材色栗褐色.

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Sapwood pale colored with red vessel stripes.

边材色稍浅,仅导管槽带有红色.

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Reviews of Research Work on Sap Flow Process in Tree Species Sapwood

树木边材液流传输研究述评

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In 2004, TDP ( Thermal Dissipation Sapwood Flow Velocity Probe) and Auto-Meteorological Station were applied to study the rule of sap flow fluctuation of different plot in Miao-fengshan Forest Research Station of Beijing Forestry University.

利用热扩散探针配合自动气象站于2004年度在北京林业大学妙峰山试验林场对不同立地条件下的油松、侧柏、栓皮栎等树种的水分运移规律进行研究。

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The results showed that the specimen of green yezo spruce sapwood, heartwood and fir heartwood after air drying had a low permeability of 0.114, 0 045 and 0 111 darcy, respectively.

研究结果表明，长白鱼鳞云杉边材、心材和臭冷杉心材的生材经普通气干处理后，其气体渗透性较低，分别约为0114、0045和0111darcy；

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Thecolor of sapwood of Chinese white poplar among trees has significant difference.

毛白杨边材材色株间存在显著差异.

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The sapwood is easy to preserve but not the hardwood.

边材易于保存，但是硬材不易保存。

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One or more layers of living and functional sapwood cells are periodically converted to heartwood.

每个生长周期都有一或多层活的边材细胞转变成心材.

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Heartwood is the mature wood, which is often darker, extending from the sapwood to the pith.

心材通常是成熟的木材部分, 通常色泽较暗, 范围从边材一直到髓心.

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The sapwood is pinkish and the heartwood pinkish-brown. Texture is uniform and occasional pieces have highly figured, wavy grain.

边材为粉红色，心材为粉红褐色。质地统一，个别木材有图案明显的波状纹路。

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We all know that the price of heartwood is higher than that of sapwood.

我们都知道,心材价格一向高于边材价格.

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Sapwood contains xylem vessels, but not as strong as heartwood.

边材含有木质导管, 但不如中心木质那样坚硬.

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Sapwood is the lighter colored wood growing from inside the bark to the heartwood.

边材色泽较浅,是从树皮到新材之间的木质部分.

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