1) fractal dimension
分维
1.
Study on evaluation of particle size distribution of cement by fractal dimension;
水泥粒度分布的分维评价研究
2.
Aggregate gradations with different fractal dimension affecting on concrete;
不同分维骨料级配对混凝土性能影响的研究
3.
Fractal model of the reserve-size distribution of ore deposits and themathematical analysis of its fractal dimension;
矿床储量规模分布的分形模型及其分维的数理分析
2) fractal
[英]['fræktl] [美]['fræktḷ]
分维
1.
Study on fractal feature in the process of deformation failure for floor strata;
底板岩层变形破坏过程中分维特征研究
2.
Analysis, Detection DoS-TE by LoSS and Fractal-Dimension Technology;
基于LoSS和分维技术的DoS-TE入侵检测
3.
Kinetic Monte Carlo simulation has been applied to approach the relationship between deposition rate and microstructure of Ni-Cr thin film deposited by electron beam physical vapor deposition,and fractal theory is used to characterize thin film surface topography.
采用动态蒙特卡罗(KMC)方法模拟电子束物理气相沉积(EB-PVD)制备Ni-Cr合金薄膜过程中沉积速率与薄膜微观结构之间的关系,并用分维理论研究薄膜表面形貌。
3) fractal dimensions
分维
1.
It is proved by two examples that the stone particle s roundness can be described indirectly by its fractal dimensions.
实例表明,石粉颗粒表面的分维数间接地刻画了其圆度,此法可以定量描述磷渣、水泥、硅粉等粉末颗粒的圆度。
2.
The fractal dimensions,shape indices and compactness of the boundaries of 32 provinces(regions) of China have been calculated in this paper based on GIS software.
本文借助GIS软件支持,计算了我国32个省的平面轮廓形状的分维、形状指数和紧凑度。
3.
First, a system of rural settlements has the same fractal model as an urban systems; secondly, they can degenerate or be dualized to become bifractals in the similar fashions; third, the values of their fractal dimensions are very approximate to each other, so conclusions may be reached that we can values of their deal with rural settlement systems in the same way as we once do urban systems.
以信阳地区为研究区，探讨其城乡聚落体系的空间分布规律，证明乡镇聚落体系与城市体系遵循相同的分形模式，并借助分维，分析了系统的结构问题，指出其未来优化的方
4) fractional dimension
分维
1.
A case study indicates that fractional dimension can be used as a typical parameter to exactly reflect the structural characteristics of various soil grain sizes.
实例计算表明,分维作为描述土体粒度成分特征的参数,能较好反映了各种粒径大小在土体中的组成特点,可将其作为土体工程分类的一个综合性定量指标。
2.
In accordance with the uncertainty and irregularity for the mechanical behaviors of soil, by using fractional theory, an analysis is made on the relationship between fractional dimension and parameters of soil mechanics, such as grain size distribution, sorting, pore and other physical mechanics indexes.
针对土的力学行为的不确定性和无规则性,运用分形理论对其颗粒级配、分选性、孔隙及其物理力学性质指标 与分维的相关关系进行了分析,指出这种用一种参数求得多种土力学参数的方法是可行的,且具有实际工程意义,但其 中存在的问题有待进一步研究。
3.
The shape of the concrete bonding surface is very irregular usually,and its measured data by fractional dimension device is a stochastic process.
通常混凝土粘结面的形状极不规则 ,其表面的分维仪测值是一随机过程。
5) dimension
[英][di'menʃən] [美][dɪ'mɛnʃən, daɪ-]
分维
1.
It is found that there is a linear relationship between the accumulative granularity content and the grain size in log log plot,and its lope can be used to calculate the relative fractional dimension D .
根据直线的斜率 ,可求得相应的分维 (D=2 。
2.
Block fractal number,porosity fractal number and porosity of fractured rock mass, as well as their relationship were studied and formula for calculating them were obtained When statistics are accurate enough, block fractal number is almost equal to porosity fractal number, which means that statistcal fractal dimension is almost equal to t.
构造了松散岩体的块体颗粒分形模型，用分形理论研究了松散岩体的块体颗粒分维、孔隙分维、孔隙度及它们之间的关系，得到相应的计算公式。
3.
In this paper, first of all introduced the fundamental concepts of the fractal, furtherinquired the fractal feature about the calamitous flood and foumd that the correspondingrealtionship of rainfall against fractal dimension.
介绍分形学的一些基本概念后，同时对灾害性洪水的分形特征作了探讨，求得分形分维与降雨量的对应关系。
6) fractal and fractal dimension
分形分维
补充资料：分维
分子式：
CAS号：
性质：若把一个几何体的每一维的尺寸都放大m倍，得到n个原来的几何体，通常的维数概念满足关系式d=1nn/1nm，其中d为几何体的空间维数。若取该关系式为维数的定义，则有些几何体的维数并不取整数值，而取分数值。具有分数值的维数称为分维。
CAS号：
性质：若把一个几何体的每一维的尺寸都放大m倍，得到n个原来的几何体，通常的维数概念满足关系式d=1nn/1nm，其中d为几何体的空间维数。若取该关系式为维数的定义，则有些几何体的维数并不取整数值，而取分数值。具有分数值的维数称为分维。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条