• 介绍了分形催化剂研究中的应用

    Fractal and fractal dimension theories applied on catalysts were introduced in this paper.

    youdao

  • 析了一阶模糊控制滤波器频率-幅度特性,噪声有色噪声分形变化

    The frequency-magnitude response of the fractal filter and the change of fractal box dimension of white noise and color noise are analyzed.

    youdao

  • 基于理论计算机图像处理技术,编制计算材料断口貌计分形维数MATLAB程序

    Based on the fractal theory and computer images analysis technique, a MATLAB program which computes box fractal dimension of material fracture was designed.

    youdao

  • 石油燃烧具有动力学行为特征表面分形维数变化趋势表面积容积不同。

    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.

    youdao

  • 计算了岩溶生长维数岩溶发育分形评价,据此岩溶发育程度进行判别。

    Fractal dimension and fractal assessment index of karst were calculated, and they were used to evaluate karst development degree.

    youdao

  • 首先通过计算原始图像特征灰度图像的实现第一次提取然后采用多重分形奇异谱方法进一步完成了

    At first, the fractal dimension is extracted from the original image and special gray image for the rough classification, and then the multi-fractal dimension is used for further classification.

    youdao

  • 基于小角X射线散射理论利用逐级切线材料理论中的散射强度法,计算PAN基内微大小、体积微孔表面分形维数

    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.

    youdao

  • 四个方面近年催化剂研究方向进展分形维数与催化剂评定筛选,催化剂分形结构分形反应动力学模型建立

    The development of fractal catalysts study in recent years was analyzed from four aspects: selection and assessment of catalysts, fractal pore structure, reaction dynamics and mathematics model.

    youdao

  • 维数描述自然界非线性系统中不光滑不规则几何体有效工具,是所有分形对象的主要特征之一。

    Fractal dimension is usually an effective way that used to describe the non-smooth and non-regular geometry objects in the nature and non-liner systems.

    youdao

  • 应用的基本原理考察大豆酸奶酸牛奶是否具有自相似性特征结构最终确定豆浆酸奶酸牛奶的分形维数别为1.9105、1.9268。

    Box counting method was applied to investigate the fractal structure and the fractal dimension for soy based and dairy yoghurt was determined to be 1.9105 and 1.9268 respectively.

    youdao

  • 本文布朗模型分形维数引入火焰图像可以预报早期火灾减少火灾损失

    This paper introduces fractal brown model and fractal dimension into the texture analysis of flame images, which can forecast early fire and reduce the losses of property when fire happened.

    youdao

  • 储层岩石孔隙空间具有良好特征,孔隙结构的分形维数可以定量描述孔隙结构复杂程度均质性。

    There is fractal property in reservoir rocks, the fractal dimension can describe quantitatively the complexity and the heterogeneity of pore structure.

    youdao

  • 样本计算统计结果表明,证券交易时域信号具有标度变性分形维数能够反映交易据的时域波信号的复杂性不规则性

    The specimen calculation outcome indicates that transaction data waveform of time domain assume fractal scale invariant property, which fractal dimensionality can reflect complexity and irregularity.

    youdao

  • 实验表明,将纹理图像尺度分形维数结合,既反映物理表面分形尺度范围又反映了尺度范围纹理粗糙程度,从而更有效地描述纹理特征。

    Experiments indicate that the fractal scale, together with the fractal dimension can effectively reflect the fractal scale range of natural textures and the texture roughness within the scale range.

    youdao

  • 基于理论现场岩体结构调查岩体结构面进行统计网络模拟分形维数计算

    Based on the fractal geometry theory and the survey of the on-site rock mass, the statistical analysis, the network simulation and the fractal dimension calculation of the structural planes were made.

    youdao

  • 建立管网模型,并给出合适的分形算法计算程序能够方便的计算出管网分形维数

    Network fractal model is built and proper algorithm is put forward too, so is the program. With them, we can calculate fractal dimensions conveniently.

    youdao

  • 产品性能公差设计的角度探讨公差理论的建模、、设计等有关方法,着重研究分形计算理论工程方法。

    Some methods about fractal based tolerancing are discussed in this paper. The engineering calculation on profile fractal dimension is presented in detail.

    youdao

  • 了解理论基本知识分形几何维数基础上,对分形算法作了总结。

    It sums up some fractal algorithm on the basis of mastering the base knowledge of the fractal theory and dimension of the fractal geometry.

    youdao

  • 测量多相材料复合涂层断裂挠度断口表面析了复合涂层断裂特征结果表明随着硬质增加,复合涂层的断裂挠度断口表面的分形维数

    The test results showed that the fracture deflections of the composite coatings and the fractal dimensions of the fractured surfaces decreased with increasing the contents of hard phases.

    youdao

  • 介绍理论及其在岩石爆破破碎过程中的应用,指出岩石分形岩石所受压力作用时间相关联。

    The fractal theory is applied to describe the process of the rock blasting. The fractal dimension of rock fracturing is considered to associate with the blasting stress and the impact time.

    youdao

  • 阐述分形定义,给出了铁谱磨粒分形维数无标度区间的计算原理

    The definition of the fractal and fractal dimension were expatiated, the calculation principle of fractal dimension was set forth.

    youdao

  • 利用分形几何学理论孔隙结构进行定量描述研究,推导了煤孔隙维数表达式

    The paper quantitatively stated and researched the coal borehole fissure structure with the sharp geometry theory. The paper derived the expression of the coal borehole fissure sharp dimension.

    youdao

  • 引用岩体力学方法几何学强度因子分形维数煤体进行定量评价。

    Quoted rock mechanics and fractal geometry, used strength coefficient and fractal dimension quantitatively evaluated the deformation of coal.

    youdao

  • 因此丛集分形密集维数可以作为矿床矿化强度聚集定量指标

    Therefore, the fractal cluster dimension and fractal density dimension can be used as the quantitative indicators of deposits distribution, intensity of mineralization and accumulation.

    youdao

  • 尝试应用理论表征多孔材料的微结构,介绍了曲线孔隙面积分形维数定义,并采用盒2个分形维数进行计算。

    Fractal theory is applied to do it. The definition of curve and pore area fractal dimension is introduced. Two fractal dimensions are determined by box-counting method.

    youdao

  • 尝试应用理论表征多孔材料的微结构,介绍了曲线孔隙面积分形维数定义,并采用盒2个分形维数进行计算。

    Fractal theory is applied to do it. The definition of curve and pore area fractal dimension is introduced. Two fractal dimensions are determined by box-counting method.

    youdao

$firstVoiceSent
- 来自原声例句
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定