对不同形状晶核的dla分形生长进行模拟和比较。
DLA fractal growth of different kernels has been simulated by using computer.
所采用的方法和得到的结论可应用于扩散过程、聚集过程和分形生长现象的分析。
The reaserch method and conclusion can be used in the diffusion process, polymerization and fractal growth phenomena.
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。
The multifractal growth process of the SEM images of catalyst surface is studied using fractal and multifractal theory.
计算了岩溶元的分形生长维数和岩溶发育的分形评价指数，据此对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.
通过对岩溶发育的宏观与微观规律分析，提出了岩溶元的概念，并用于描述岩溶发育的分形生长过程。
Through the analyses of macroscopic and microcosmic laws of karst, a concept, karst unit, was drawn out, and the fractal growing law of karst was described.
该算法模拟分形生长的过程，避免了对可行域的盲目分割，并指导新点以较大的概率产生于较优的区域。
The algorithm avoid segmenting the feasible region blind, and guide the candidate points being selected in the best area with a large probability by imitating fractal growth process.
本文根据近三十年来在珠状凝结换热研究中积累的实验研究资料，提出珠状凝结是一种典型的分形生长过程。
The dropwise condensation is a typical fractal growth process, according to the experimental data and conclusions published in last 30 years.
以扩散限制凝聚模型(简称DLA模型)为代表的分形生长模型的出现，为研究粘性指进现象带来了新的生机。
The new life was bought to the viscous fingering research, due to the presentation of DLA (short for "Diffusion-Limited Aggregation") model, the type of fractal growth models.
分形几何学在图像数据压缩、模拟自然景物，艺术图案设计、分形生长及混沌动力系统的研究等方面有着广泛的应用。
Fractal is widely used in many fields such as the image data compression, simulation of natural scenery, the growing of fractal geometry and the research of chaos motility system.
实验中观察到的规则的自相似网状纳米结构，显示了薄膜应力弛豫过程中自组织生长的分形特征。
The regular nano network structure in the morphology of the samples shows the fractal characteristics of the self-organized growth in the strain relaxation process.
结果表明，在表面外延生长初期沉积层呈现出非常丰富的分形几何特征，通过控制生长参数，可以得到不同微结构的团簇。
It is shown that at the initial stage of growth, the morphologies present ample fractal shape and by controlling growth parameters it is possible to obtain nano clusters with different structures.
现阶段的分形动力学生长模型多采用DLA模型，而维数的计算多依赖于盒计数法。
DLA model is often adopted in the fractal dynamics growth models, and the box dimension calculation method is often used to calculate the dimension.
采用计盒维数方法对霜层生长图像分析表明，充分生长的霜层在一定尺度范围内具有分形特征。
The Analyses on frost image by box-counting method express that full growth frost was a fractal structure ranging in some scale.
用分子动力学和薄膜生长的扩散限制聚集模型，薄膜中结瘤微缺陷成核时的分形现象得到了很好的解释。
By using the molecular dynamics theory and diffusion limited aggregation model of film growth, the fractal phenomenon of the nodule nucleation was well explained.
D0L系统生长的结果一般是自我严格相似，是一种典型的分形。
The growing result of D0L system is generally rigorous self-similarity, and it is a typical fractal.
树的生长及形状也具有分形性。
The Shape and growth of trees have fractal character as well.
采用分形概念对RF气凝胶的生长过程进行了计算机模拟。
The growth of RF aerogel fractals was simulated by computer.
多重分形谱用来定量表征不同生长条件下岛的分布。
Multifractal spectra are used to describe quantitatively the irregular distribution of island patterns obtained under different growth conditions.
对枝晶生长过程作了模拟，表明枝晶生长结构具有分形特征；
The processing of dendrite growth is experimentally simulated. Result shows that the dendrite grows with fractal structure.
随植物生长级别加大，金发草枝构件空间分形维数逐步从1.282递增到1.664；
The fractal dimensions of different branching modular vary from 1.282 to 1.664 with plant growth;
分形维数在树木光合作用及生长发育研究中是一个有用的参数。
Fractal dimension is a useful parameter to the study of light utilization and grow…
分形维数在树木光合作用及生长发育研究中是一个有用的参数。
Fractal dimension is a useful parameter to the study of light utilization and grow…
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