sapwood

Water potential and its impact on sapwood flow velocity

油松人工林SPAC水势梯度时空变化规律及其对边材液流传输的影响

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

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

树木边材液流传输研究述评

Study on Biological Characters and Control of Blue - Stain Fungi of Sapwood

木材变色菌的生物学特性及其防治

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；

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。

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。

A new sapwood rot of willow in Tieling of Liaoning Province

辽宁铁岭柳树边材腐朽病初报

The liquid penetration of Chinese fir sapwood after freeze-drying is the best among the five drying methods .

5种不同干燥方法对杉木心材液体浸注性的影响显著。

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；

A New Sapwood Rot on Seedlings of Prunus persica in Liaoning Province

辽宁李属等苗木边材腐朽病研究初报

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。

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。

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。

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。

The sapwood is easy to preserve but not the hardwood .

边材易于保存，但是硬材不易保存。

The sapwood is yellowish with a hard and heavy heartwood .

边材微黄色，心材坚硬而且沉重。

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

Up-take of sapwood was obviously higher than that of heartwood .

边材上染率明显高于心材。

The oven-dried density of okan heartwood and sapwood decreased slightly after heat treatment .

热处理后，圆盘豆心边材全干密度稍有下降。

PH Value , Buffer Content and the Content of Chemical Components Between Heartwood and Sapwood in Poplar 72 and Poplar 69

72和69杨心边材pH值、缓冲容量及化学成分含量的研究

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。

Sap flow flux was influenced by sapwood area size , and decreased progressively from the base along the trunk to the top of tree .

不同树干高度液流通量的变化受边材面积大小的影响，自基部沿树干高度递减；

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。

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。

The dynamic regularity was similar in one year branches , many year branches , heartwood and sapwood , leaves and roots had their own characters .

新疆杨一年生枝、多年生枝、心材和边材的离子分布年内动态相似，叶和根有各自独特的特点。

The both of was first reported on the Tilia miqueliana Maxim , staining sapwood .

这两种真菌出现在南京椴的变色边材部分，属首次报道。

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。

Combining the sap flow velocity with such indicators like trunk diameter and sapwood area , relative model was built and the expansion of the scale was achieved .

结合树干直径，边材面积等指标，构建了相应的模型及参数，实现尺度的扩展。

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。