边材

biān cái
  • sapwood;edging;splint wood;listing
边材边材
边材 [biān cái]
  • [sapwood] 居于形成层和心材之间的木材外部,比心材更易渗透,不如心材耐久,通常颜色比它最后变成的心材为浅

边材[biān cái]
  1. 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

    Water potential and its impact on sapwood flow velocity

  2. 对南京椴木(TiliamiquelianaMaxim)的边材变色菌进行了分离培养、鉴定和变色试验。

    This paper gave the sapwood stain fungi on the Tilia miqueliana Maxim , an isolation , culture , identification and staining test .

  3. 72和69杨心边材pH值、缓冲容量及化学成分含量的研究

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

  4. I-214杨心材、边材木质素的红外光谱、质子和碳-13核磁共振波谱特征研究

    Study on FTIR , ~ 1H and ~ ( 13 ) C NMR Characterization of Poplar I 214 Heartwood and Sapwood Lignins

  5. 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;

    The cellulose contents of both sapwood and heartwood were raised after fertilization , however , lignin content and 1 % NaOH extractives in sapwood were reduced .

  6. 树液流动密度(SFD)随边材径向深度的变化对于准确估测流经边材的树液通量是非常重要的,后者又制约着HeatPulse的应用精度。

    Radial variation in sap flux density ( SFD ) as a function of sapwood thickness is of importance in accurately estimating sap flux through sapwood area which , in turn , decides the precision of heat pulse application .

  7. 利用线性回归方法建立了边材液流速率与环境因子关系的多元线性模型,影响边材液流速率的主导因子是5cm和20cm土壤温度、太阳辐射强度、空气湿度和风速。

    Multiple linear models of sap flow velocity and environmental factors were developed at significant level , of which the important factors were soil temperature in depths of 5 cm and 20 cm , solar radiation , air humidity and wind speed .

  8. 边材微黄色,心材坚硬而且沉重。

    The sapwood is yellowish with a hard and heavy heartwood .

  9. 边材易于保存,但是硬材不易保存。

    The sapwood is easy to preserve but not the hardwood .

  10. 辽宁铁岭柳树边材腐朽病初报

    A new sapwood rot of willow in Tieling of Liaoning Province

  11. 边材上染率明显高于心材。

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

  12. 树木边材液流传输研究述评

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

  13. 边材含有木质导管,但不如中心木质那样坚硬。

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

  14. 辽宁李属等苗木边材腐朽病研究初报

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

  15. 春季侧柏树干边材液流的滞后效应分析

    Analysis on Sap Flow Time Lag Effect of Platycladus orientalis in Spring

  16. 杉木叶量叶面积与边材面积关系研究

    The relationship of leaf and foliage biomass to sapwood area in Chinese fir

  17. 侧柏树干边材液流的空间变化规律及其相关因子

    Spatial Variation of Sap Flow of Platycladus orientalis and It 's Affecting Factors

  18. 兴安落叶松边材心材生长特征的种源效应

    Effects of Provenances on Growth Characteristics of Sapwood and Heartwood of Larix gmelinii Trees

  19. 热处理后,圆盘豆心边材全干密度稍有下降。

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

  20. 买家俱的时候,一定要分辨边材和心材。

    One must be able to differentiate between cambium and heartwood when buying furniture .

  21. 刺槐边材面积与胸径之间存在着高度相关的关系。

    There exist significant correlations between sapwood area and breast height ( DBH ) .

  22. 春季麻栎树干边材木质部液流垂直变化及其滞后效应

    Spatial variation of sap flow of Quercus acutissima and its lag effect during spring

  23. 同种原料中,边材金属离子含量一般高于心材;

    The contents of metal ions in sapwood are higher than those in heart wood .

  24. 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。

    Liquid transport between adjacent vessels is possible in sapwood , but not in heartwood .

  25. 这两种真菌出现在南京椴的变色边材部分,属首次报道。

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

  26. 重要的一点说明是,这里的颜色是指边材和心材的颜色。

    It is important to note , color in this explanation refers to sapwood and heartwood .

  27. 每个生长周期都有一或多层活的边材细胞转变成心材。

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

  28. 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;

    Maximum values of sap flux density of each trees had marked linear correlations with sapwood area .

  29. 由于其绝大多数纹孔塞偏离中央位置,气体渗透性较低,边材和心材分别为0.114和0.045darcy。

    The permeability of air _dried sapwood and heartwood was as low as 0.114 and 0.045 darcy respectively .

  30. 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。

    Wood moderate weight , colours between sapwood and heartwood undistinguishable , straight-grained , texture slightly fine or coarse .