Surface fractal dimension was employed to describe the topography of flaky powder.
根据片状粉末表面几何特征，提出了用分形方法对其进行描述。
In view of that it is difficult to measure the specific surface area, this paper propose a indirect algorithm of surface fractal dimension.
鉴于孔隙比表面积的测量比较困难，给出了表面分形维数的间接算法。
A simplified procedure is developed to acquire the surface fractal dimension of porous media utilizing the PSD information from mercury porosimetry or other analyses.
对原有的表面分形维数的计算方法进行了简化，借此可以利用压汞或其他分析方法获得的孔分布信息计算出多孔介质的表面分形维数。
The fractal characteristics of petroleum coke combustion are validated, which proves that the change of surface fractal dimension differs from that of specific surface area and pore volume.
石油焦的燃烧具有分形动力学的行为特征，且表面分形维数的变化趋势和比表面积和孔容积不同。
Using this IFS we construct a kind of fractal interpolation surface, and make some experiment.
利用此迭代函数系统构造了一类分形插值曲面，并做了若干数值实验。
It is proved by fractal theory that the welded state of every micro zone at welded surface is uneven in the formation process of isothermal superplastic solid-state welding joint.
这也从分形理论的角度证明了在超塑性固相焊接头的形成过程中，焊接面各微区的焊合状态是非均匀性的。
Taking rigid disk surface as an example, fractal parameters are obtained by means of power spectrum and structure function, providing a proper geometric model for further contact analysis.
实验结果表明，分形维数能很好地表征表面轮廓，可为进一步的接触分析提供更合理的几何模型。
Fractal dimension of impact fracture surface of 08f steel was measured by vertical section method.
利用垂直截面法测量了08f钢经不同形变氮化复合后冲击断裂表面的分形维数。
Then we study the accuracy of Kirchhoff's approximation in the scattering of light field from the random self-affine fractal surface.
在此基础上，对采用基尔霍夫近似进行自仿射分形随机表面的散射光场数值计算的精确程度进行了研究。
The influences of cutting parameters on cutting force and its fractal dimension, surface roughness on the fractal Theory during glass cutting is presented.
基于分形理论研究了玻璃切削时不同切削参数对切削力及其分形维数以及表面粗糙度的影响。
Surface electromyogram (EMG) signals were identified by fractal dimension.
通过分形维对表面肌电信号进行识别分类。
In this paper, the structure characteristics of particle surface of black rice husk produced under different conditions were studied by the fractal geometry.
应用分形几何理论，研究了不同条件下制备的黑稻壳颗粒的表面结构特征。
Based on SAXS theory and fractal theory, we obtain the calculating method and calculating formulas of the pore size, pore volume percentage and the fractal of pore surface in PAN - based carbon fiber.
基于小角X射线散射理论，利用逐级切线法和材料分形理论中的散射强度法，分别计算PAN基炭纤维内微孔大小、体积分数及微孔表面分形维数。
The topography of bullet surface wear was studied by using fractal theory. The irregularity and random distribution of its surface wear show the fractal characteristics.
应用分形理论对弹头磨损表面形貌进行了研究，研究表明，其表面磨损形貌的不规则和随机分布性具有分形特征。
The multifractal growth process of the SEM images of catalyst surface is studied using fractal and multifractal theory.
本文讨论了催化剂表面SEM图象关于多重分形生长过程的分形和多重分形特性分析。
With fractal theory, a new fractal dimensional calculation is adopted to calculate two dimensional fractal dimension of EDM surface.
利用分形理论，采用一种新的分形维数计算方法，得出电火花加工表面的二维分形维数。
The surface image of substance was studied with the method of fractal geometry. Calculated the information dimension(D I)of images, which have different distributing features.
应用分形几何的方法，研究了物质表面图像上粒子的分布特点，计算出粒子疏密分布不同的表面图像的信息维。
The surface of surrounding rock by controlled perimeter blasting can be looked as fractal whose dimension is the mirror of the explosion action process of rock.
周边控制爆破后，形成的围岩表面可视为分形，其分形的维数反映了岩石经历的爆破过程。
Experimental results show that the fractal feature is effective for surface defects classification.
实验结果表明所提取的分维特征对于缺陷分类有较好作用。
The fractal dimension characteristic of the roller surface was obtained through the theories calculation and the experiment verification.
通过理论计算及实验验证，得出了圆柱滚子外表面的分维表征。
Applying the fractal mathematics model, we can estimate the dimension of various kinds of cotton fiber surface, then, make the sample consulting the quantitative relation.
而采用小波算法建立棉纤维表面分形数学模型，计算各种棉样的表面分维数，利用其与原棉含糖量间存在的定量关系，制成样本。
The author calculates the fractal dimensions and find the rule of fractal dimensions and cement specific surface area, cement paste fluidity as well as water reducing ratio.
分形特征与水泥宏观性质，如净浆流动度、比表面积、减水率之间存在较好的相关性。
This method not only ADAPTS to predicting the whole fractal dimension of rough surface, but also ADAPTS to estimating local fractal dimension.
这种方法比较简单而切实可行，不但适合于粗糙面整体分维的计算，更适合于局部分数维的计算。
The fractal theory is introduced and variations of running-in surface topography are characterized by fractal parameters in this paper.
本文引入分形理论，用分形参数表征磨合表面的形貌变化。
The relations between the size of coal lump fractal, surface cranny fractal and density of blasting energy were roughly analyzed by means of the fractal geometry theory.
应用分形理论初步分析了分形块度、表面裂隙分维与爆破能量密度的关系；
Theoretical analysis and experimental results prove that the fractal model matches the clutter from a natural rough surface and models it effectively.
理论分析和实验表明，天然粗糙面杂波和分形模型相吻合，分形模型可有效地对天然粗糙面杂波进行建模。
By taking the image to be compressed as a grey-level surface of some fractal brown motion, the fractal dimension of this surface gives out a good description of its texture characteristics.
把灰度图像看作是某种分数布朗运动形成的(分形)灰度表面，并用这种灰度表面的分形维数来刻画它的纹理粗糙程度。
The fractal dimension of fracture surface was measured directly by using projective covering method and laser triangulation technique.
采用投影覆盖法结合激光三角测试技术，直接测定了混凝土断裂表面分维值。
The ratio of energy dissipation WJ/WI increases nonlinearly with increment of fractal dimension D of the jointed surface.
节理岩石的能量耗散比WJ/WI随节理面分维值D增大而增加，两者呈非线性关系；
The ratio of energy dissipation WJ/WI increases nonlinearly with increment of fractal dimension D of the jointed surface.
节理岩石的能量耗散比WJ/WI随节理面分维值D增大而增加，两者呈非线性关系；
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