疏密度

shū mì dù
  • Density;degree of closing
疏密度疏密度
  1. 借助扫描电镜和X射线能谱(SEMDEX)观察发现,不同硅源制剂叶面处理小麦后,硅素在叶表的沉积疏密度有一定的差异,同时对叶表的蜡质层影响大小也不同。

    Using SEM-EDX for observing the silicon deposition on leaf epidermal surfaces demonstrated that deposition density of silicon were different on leaf surfaces with the different silicon compounds was different , and effects of these compounds on wax layer also were different .

  2. 本文用Multi-Block算法和标准的κ-ε模型计算轴对称自由射流,计算中发现:(1)不同的纵向网格宽度比(疏密度比)会导致不同的扩张速率的计算结果。

    The Standard κ - ε EVM and Multi-Block algorithm are used here to calculate the axis-symmetric free jet . The result shows : Different spacing rate of the grid on the longitudinal lead to different jet spreading rate .

  3. 对林分密度的评价。混交林疏密度的计算

    The evaluation of the stand density . CALCULATION OF THE DENSITY FOR MIXED FOREST

  4. 混交林疏密度的计算区的密度。

    CALCULATION OF THE DENSITY FOR MIXED FOREST The line density and area density have been counted .

  5. 适当提高水草疏密度、减少排距、增加草场长度,可获得较好的缓流及消波效果.研究成果为现场布置人工水草场提供了设计依据。

    The results of the study have provided a basis for designing the insitu artificial seaweeds projects .

  6. 根据边界元数值方法的网格收敛性分析,计算结果的精度与网格疏密度有关。

    According to the BEM grid convergence analysis , the accuracy of a numerical result relates to the meshing density .

  7. 同时探讨了应用标准收获表配合未来林分疏密度预估模型,对天然阔叶林小班蓄积量进行动态更新的方法。

    The normal yield table and the prediction model of forest closeness were applied to the dynamic renewal of stand stocking of natural broad-leaved forests .

  8. 计算结果表明,接触区边缘存在较高的应力梯度,接触应力的有限元解同网格疏密度密切相关。通过建立一系列不同密度网格模型开展了有限元建模研究。

    It indicated that there was high stress gradient near the edges of contact zone , and the numerical solution of contact stress depended on the grid density .

  9. 当节点疏密度降低时,发送代理缓存请求给就近节点,就近节点作为代理节点提供相应的数据服务;

    When the density of proxy node decreased , it sent caching request to its neighbor , and then the neighbor would provide the corresponding data service as a proxy node .

  10. 研究结果表明,在大体积混凝土内布置相同疏密度的冷却水管,水管高度间距和宽度间距互相对换后冷却效果有明显差别。

    The results show that when arranging the same density of cooling water pipe in the mass concrete , it will be a significant difference when we change the water pipe height spacing and width spacing between .

  11. 在每个块内,所生成的网格线与边界线正交,网格疏密度可认人为控制,且便于湍流壁面条件的引入。

    The grids are constructed by dividing the whole flow passage into four sub-blocks , in each block the grids obtained are smooth and fulfill the orthogonality condition of the grid line at the boundary , and convenient for the introduction of turbulent wall conditions .

  12. 通过对1969~1995年间全省和地区的落叶松林火个例的统计与分析,获得了该林分着火性的特点,即落叶松在幼龄阶段,疏密度在07以下时易发生火灾;

    Through statistics and analysis of larch fires in every region of Jilin Province during 1969-1995 , it has been known that combustible characteristics of the woodland . Which indicates that forest fire is occurring easily at juvenile period and 0 7 density for larch woodlands ;

  13. 为了获得气膜孔阵排列的疏密度对致密多孔壁冷却效果的影响规律,分别对四种疏密度排列下的平板热侧面上的冷却效果进行了数值模拟研究。

    To investigate the influence of porosity of holes array on cooling effectiveness of an effusion cooled plat plate , a numerical study of the distributions of cooling effectiveness on the hot side of an effusion cooled flat plate was carried out with four different porosities of holes array .