effective density

美 [ɪˈfektɪv ˈdensəti]英 [ɪˈfektɪv ˈdensəti]
  • 有效密度
effective densityeffective density
  1. Study on Computing Method of Aggregate Effective Density and Asphalt Mixture 's Volume Parameter

    集料有效密度及混合料合理体积参数计算方法研究

  2. Effective density in loose sandy sediment and the bottom reflection loss

    松散沉积物的有效密度及其声压反射损失

  3. Development of standard reference material for effective density of solid

    固体真密度标准物质的研制

  4. Effectiveness of gravity inversion with concept of effective density

    有效密度重力反演的有效性

  5. Metallic powders Determination of effective density Liquid immersion method

    GB/T5161-1985金属粉末有效密度的测定液体浸透法

  6. On Calculation of Effective Density

    有效密度计算探讨

  7. Measurement of Effective Density of Gap States in Amorphous Silicon by SCLC Method

    SCLC法测量非晶硅有效隙态密度

  8. Aluminium oxide powders Determination of effective density pycnometer method

    GB/T6523-1986氧化铝粉末有效密度的测定比重瓶法

  9. The concept of effective density and water content were introduced to describe the physical state of the clay matrix filling between sand particles .

    引入有效粘土密度和有效含水率的概念,描述石英砂颗粒之间的粘土基质的物理状态。

  10. The formulas for calculating the effective density and the effective bulk modulus of suspensions are derived and discussed in the paper .

    文中还导出了悬浮液有效压缩模量、有效密度等宏观参量的表达式并讨论了频率不太高时的近似解。

  11. Testing of open porosity and colsed porosity of carbon material by effective density method the mechanical behaviors of closed-cell aluminum-alloy foams with spherical pores

    炭素材料显气孔率和闭孔率的测试&有效密度法球形闭孔泡沫金属材料力学行为研究

  12. The problems of effective density radius selection and feature space dimension selection are discussed , and the performance difference between this method and other methods including Single-pass and traditional K-means .

    本文对有效密度半径和特征空间维数的选择问题进行了讨论,并比较了该方法和Single-pass法及传统的K均值法的性能差异。

  13. The neighborhood area was determined to be 2.233 m2 and the neighborhood size on a patch with the effective density of 47.7 plants / m2 was 106.5 plants .

    在上述散布特点和异交率为0.925条件下的邻群面积为2.233m2,在有效密度为47.7株/m2的有效密度下的邻群大小为106.5株。

  14. At the same time , the appropriate preozonation can increase the effective density of the floc , making the floc more dense and improving its sedimentation capacity .

    同时,适当的预臭氧氧化能增大絮体的有效密度,使絮体更加密实,提高沉降性能。

  15. According to the serial tests research , the test procedure to effective density of aggregate and the test for the void in the coarse aggregate , a simple design procedure of asphalt mixture is presented .

    在进行了集料有效密度测量研究和粗集料间隙率试验探索等系列试验研究的基础上,提出了一种简便的沥青混合料设计方法。

  16. The inversion shows that the method of effective density leads to the depth of basin smaller than the actual 's , and the width of basin is more significant than the density contrast in computation .

    模型的反演计算结果表明,有效密度法得到的深度偏浅,盆地宽度的影响比密度分布的影响大。

  17. The equation of degeneration of photogenerated eletrons in S-W Effect has been get by method of filed theory . The degeneration constant is proportional to the square of effective density of states in deep level .

    应用格林函数方法处理了S-W效应中光生载流子随时间的变化,得出光生载流子的衰退速率和深能级有效态密度的平方成正比。

  18. So the effective mass density of the liquid composite was studied .

    所以,我们选择了有效质量密度来研究液体混合后的变化情况。

  19. Test study on the effective relative density of aggregate

    集料有效相对密度试验研究

  20. Electrochemical treatment of cancer : calculation of minimum effective current density between electrodes

    电化学治疗癌肿时最小有效电流密度的计算

  21. Determination of effective chlorine density in electrolyzed seawater by DPD spectrophotometric method

    DPD比色法测定电解海水产生的有效氯浓度

  22. The chemical bond , effective crosslinking density , glass temperature and its correlative properties were introduced and reviewed .

    本文着重对环氧树脂膜的化学键、有效交联密度和玻璃化温度等结构参数与相关性能进行评述。

  23. Effective Carrier Density in Photorefractive LiNbO_3 Crystals

    光折变LiNbO3晶体中的有效载流子密度

  24. Then a theoretical relationship between ultrasonic velocity and attenuation of rock and axial stress based on an effective crack density parameters are given .

    在此基础上用裂纹的体积变形建立岩石在单轴加载过程中的等效裂纹模型,用该等效模型建立了岩石在单轴加载全过程中超声波速及衰减系数随应力变化的理论关系。

  25. In addition , the effective defect density calculated from the soft charge to breakdown distribution is larger than that from breakdown field distribution .

    研究还表明,用软击穿电荷分布计算超薄栅介质有效缺陷密度比用永久击穿场强分布计算的要大。

  26. The structure of three dimensional network was characterized by the modulus of elasticity , by the effective network density and by the interaction between polymer and water .

    三维网络结构通过压缩弹性模量、有效交联密度及聚合物与溶剂间的相互作用参数进行了表征。

  27. The model can predict not only the soil water dynamic profiles and the soil water potential profiles , but the changes of the effective root density with depth and time .

    该模型除能预报根系吸水的一些水分动态和水势动态外,还能预报有效根密度的时空变化。

  28. The effective cross-linking density (υ __e ) and the molecular mass between crosslinking points ( M_c ) were calculated .

    理论计算了两种凝胶的有效交联密度(eυ)和网链分子量(Mc)。

  29. Significant fluorescence enhancement in the interaction region was observed , We proposed an effective high density free electron generation method based on filament interaction that avoid filament split and modulation instability .

    基于光丝相互作用导致的作用区域荧光辐射强度的急剧增强,提出了通过光丝相互作用高效产生高密度自由电子的方法,有效的避免了强聚焦中的光丝分裂及调制不稳定性。

  30. For the range of fluences studied , the observed effects result from a reduction in minority carrier lifetime in the IGBT and not from changes in the effective dopant density .

    对于所研究的注量范围,所观察的效应是由于IGBT少子寿命减少造成的,而不是由于有效掺杂浓度变化所致。