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- The change of the surface fractal dimension(Ds)of coal in processing has been discussed briefly,Last-ly,the intention in the study of fractal surface of coal has been putout. 对煤在处理过程中其表面分维的变化进行了简明的介绍。最后,简要地讨论了煤的分形表面结构的研究方向。
- The relationships between the permeability of the methane gas in coal seam and surface fractal dimension and tortuosity fractal dimension are proposed based on fractal theory and Darcy Law. 基于分形理论和达西定律,研究了孔隙的弯曲分形维数和表面积分形维数与瓦斯渗透率参数之间的关系;
- The result shows that the permeability decreases with the increase of the tortuosity fractal dimension,and the permeability increases with the increase of the surface fractal dimension and the lar... 应用分形理论可以获得煤层孔隙发育程度和分布特征比较精确的定量信息.
- Abstract: After investigating the characteristics of lotus leaf surface, which is hydrophobic, his paper design a MEMS functional surface fractal model of friction reduction and anti-stiction. 摘要从研究具有超疏水能力荷叶表面结构特征出发,设计减摩防粘的MEMS功能表面分形模型。
- 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。
- fracture surface fractal dimension 断口表面分维
- Keywords gelation;xerogels;surface fractal dimension; 胶凝;干凝胶;表面分形维数;
- Keywords direct coal liquefaction;surface fractal dimension;SAXS; 煤直接液化;表面分数维;SAXS;
- Study on the surface acid-base properties and pore surface fractal of particles 颗粒物表面酸碱特性与孔表面分形的研究
- The gas bubbled to the surface of the water. 气体变成气泡升上水面。
- The surface of the liquid gradually crusted over. 液体表面渐渐地结了一层皮。
- A breeze ruffled the surface of the lake. 一阵微风吹皱了湖面。
- A wave broke across the surface of the pool. 一个波浪从池水表面掠过。
- The calm water surface is very much like a mirror. 那平静的水面十分象一面镜子。
- Acid had pitted the surface of the silver. 酸把银器的表面腐蚀了。
- He is honest only on the surface. 他只是表面诚实而已。
- A film of mucus and bacteria on a tooth surface. 齿菌斑牙齿表面一层粘液和细菌的膜
- The hard outer portion or surface area of bread. 面包皮面包的表面区域的硬皮
- Surface mail takes longer than airmail. 普通邮件比航空邮件慢。
- The surface of the lake is quite still. 湖面相当平静。