sapwood

noun

1. 边材，液材（处于树皮和心材之间）
   the soft younger outer layers of the wood of a tree, inside the bark

1. Effects of Provenances on Growth Characteristics of Sapwood and Heartwood of Larix gmelinii Trees
   兴安落叶松边材心材生长特征的种源效应
2. 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。
3. The wood varies in colour from a flesh shade to a light reddish-brown with little distinction between heartwood and sapwood.
   木材颜色从肉色到淡红褐色不等，边材和心材区别很小。
4. The sapwood is easy to preserve but not the hardwood.
   边材易于保存，但是硬材不易保存。
5. Rubber wood in the rough, whether or not stripped of bark or sapwood, or roughly squared, treat with preservatives.
   橡胶原木，不论是否去皮、去边材或粗锯角材，经防腐处理者。
6. The sapwood is yellowish with a hard and heavy heartwood.
   边材微黄色，心材坚硬而且沉重。
7. PROPERTIES: Heartwood growing very slowly, so logs of large diameter used only. wood: Clear difference between pale sapwood and black brown heartwood.
   木材生长非常缓慢，因此此种所利用的原木通常只用大径木。淡色边材与深色心材区别相当明显。
8. The sapwood of most species is more susceptible to fungal attack than the heartwood with its higher extractive content.
   大多数树种的边材要比含有教高抽提物含量的心材更易受真菌的侵害。
9. The greatest variation takes place in the volume contractive rate of the heartwood, collapse factor and collapse depth of the sapwood.
   子宫内安放的避孕环（缩写为IUD）心材的体积收缩率、边交界材的皱缩因子和皱缩深度变化最大。
10. The older inactive central wood of a tree or woody plant; usually darker and denser than the surrounding sapwood.
    树木或木本植物中较老的不再生长的部分，通常比边材颜色更深、密度更大。
11. 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。
12. 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。
13. In older stems, only the most recent rings of xylem participate in the transport of materials. These make up the sapwood.
    在老茎中，仅最新的木质部环参与物质的运输。这些木质部环组成边材。
14. If timber poles are used, the bark can be peeled off the tops to expose the light colored sapwood.
    如用圆木杆，可削去顶端树皮，露出木质部的明亮色泽。
15. 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。
16. The hard, tough, heavy wood of such a tree. Sapwood contains xylem vessels, but not as strong as heartwood.
    山核桃木山核桃树坚硬、结实、厚重的木材边材含有木质导管，但不如中心木质那样坚硬。
17. It is important to note, color in this explanation refers to sapwood and heartwood.
    重要的一点说明是，这里的颜色是指边材和心材的颜色。
18. Storage water ( mostly sapwood storage water), in particular, operates an important regulation function in water transport.
    组织贮存水（主要是边材贮存水）在水分运转中也起到了重要的调节作用。
19. Liquid transport between adjacent vessels is possible in sapwood, but not in heartwood.
    但心材和边材的行为有所不同：边材中的水份可在相邻脉管间迁移，但在心材中则不可能。
20. The permeability of sapwood of both air dried and the solvent exchange dried specimens were bigger than the heartwood.
    气干材和溶剂置换材的边材渗透性均大于对应的心材渗透性。
21. The cellulose contents of both sapwood and heartwood were raised after fertilization, however, lignin content and 1% NaOH extractives in sapwood were reduced.
    施肥处理提高了I-69杨边材和心材的纤维素含量，降低了其木素含量和边材1%NaOH抽提物含量，而对苯醇抽提物影响轻微；
22. Up-take of sapwood was obviously higher than that of heartwood.
    边材上染率明显高于心材。
23. Wood moderate weight, colours between sapwood and heartwood undistinguishable, straight-grained, texture slightly fine or coarse.
    木材重量中等为主，心边材区别多不明显，纹理直，结构略细或粗。
24. The relationship of leaf and foliage biomass to sapwood area in Chinese fir
    杉木叶量叶面积与边材面积关系研究
25. Maximum values of sap flux density of each trees had marked linear correlations with sapwood area.
    马占相思树干液流密度最大值与边材面积具显著相关关系；
26. The results showed that: There were no obvious difference between heartwood and sapwood about the content of chemical components in poplar 72 and poplar 69 except pentosan.
    结果表明，除了聚戊糖差异显著外，72和69杨树株间心材和边材的化学成分含量差异不大；
27. The contents of metal ions in sapwood are higher than those in heart wood.
    同种原料中，边材金属离子含量一般高于心材；
28. There exist significant correlations between sapwood area and breast height ( DBH).
    刺槐边材面积与胸径之间存在着高度相关的关系。

noun

1. newly formed outer wood lying between the cambium and the heartwood of a tree or woody plant