Coal main crack distribution was obtained after analyzing nuclear magnetic picture image processing software.
经过图像处理软件对核磁共振图像的处理分析，得到煤体主裂隙分布情况。
The crack distribution and evolution of the surrounding rocks of roadway can be quantitatively depicted by the fractal dimension of crack density.
用裂隙密度分形维数定量描述了巷道围岩裂隙的分布和演化。
It is a valuable method that can be used for extracting the geophysical parameters such as petrology reservoir description crack distribution and the information of force field.
更可贵的是它可以用来提取更多的岩性、储层、裂隙分布的地球物理参数以及应力场信息。
Aiming at the randomicity of concrete crack, the author adopt the randomicity finite element model and Monte-Carlomethod to simulate the randomicity of material character and crack distribution.
针对材料性能的随机性和裂缝分布的随机性，引入了随机性模型，采用蒙特卡罗法来模拟其随机性。
Following the conventional theory of reinforced concrete, analysis the crack distribution of pre-stressed carbon fiber reinforced concrete beams, put forward corresponding formula for calculation.
沿用传统钢筋混凝土理论，对预应力碳纤维加固梁的裂缝进行分析，提出相应计算公式。
Only if this short crack extends long enough and blunted wide enough, can it affect the principal crack extension and the distribution of stress and plastic strain.
只有小裂纹扩展到足够长并钝化到足够宽，才能够影响主裂纹的扩展及其前端应力、应变的分布。
The dislocation distribution function in the plastic zone at a crack tip is calculated with the help of a modified BCS-type crack model.
本文改进BCS型裂纹位错模型，并对裂纹顶端范性区的位错密度分布进行了计算。
A distribution function of two dimensional threshold is given for fatigue crack propagation.
本文给出二维疲劳裂纹扩展门槛值分布函数，建立二维应力—门槛值干涉模型。
It is shown that a regular pattern distribution of scattered alloying zones which surrounded by phase transformation zone can retard the fatigue crack growth rate and improve the fatigue life.
研究表明，大量规则分布、互不重叠的合金化区及其周围的相变硬化区从总体上降低了疲劳裂纹扩展速率，提高了材料的疲劳寿命。
This is very important for even weight distribution so that your aquarium does not crack.
这是非常重要的，即使重量分配，使您的水族馆不开裂。
The method simulates the crack hiding in infinitely large elastic media as dislocation loop in continuous distribution.
此方法将埋在无穷大弹性介质中裂纹，模拟为连续分布的位错环。
Since there was no technique to observe directly under three-dimensional situation and no reliable physics exploiting technology, the three-dimension distribution law of crack face was not found yet.
三维情况下，由于无法进行直接观测，又缺乏可靠的物理测试技术，致使岩体裂缝面的三维分布规律远没有得到解决。
The influence of cold expansion on the stress intensity factor distribution in crack tip was also analyzed.
分析了冷扩张对疲劳裂纹尖端应力强度因子分布的影响。
A distribution function of two dimensional threshold is given for fatigue crack propagation. A two dimensional stress threshold interference model is set up.
本文给出二维疲劳裂纹扩展门槛值分布函数，建立二维应力—门槛值干涉模型。
Taking the distribution of mean wind velocity into account, the random crack growth model under variable amplitude load was established.
考虑平均风速的分布的影响，建立了随机荷载作用下的疲劳裂纹扩展模型。
The present paper focuses on the simple case of collinear microcracks, and quantifies the influence by the statistical distribution of crack lengths and ligament sizes.
本文研究简单的共线微裂纹构型，确定由于微裂纹长度和韧度尺寸的统计分布所产生的影响。
The distribution function of crack length at given time can be calculated by integration of the initial crack length distribution and the transition function of Markoff process.
文中导出了用初始裂纹长度的分布及马尔可夫转移概率密度函数计算给定时刻裂纹长度分布的积分公式。
Crack growth was analyzed by using element eliminating method based on the variation of damage variable. Material flow, strain, stress and damage distribution of different steps was achieved.
根据损伤变量的变化，采用单元消除法分析了剪切裂纹的扩展，并得到了剪切各个段的金属流动、应力应变以及损伤变量分布。
Meanwhile, moire method was used to observe the displacement distribution in the vicinity of the crack surfaces.
云纹方法，直观显示了裂纹面附近位移场的分布。
A new idea that the distribution movement of electric charge in the crack tip end being associated with rock fracture propagation produces electromagnetic emission was brought up.
本文提出了岩石破裂时的电磁辐射是裂纹尖端电荷随着裂纹加速扩展运动所产生的假说。
The extracted objects with different ranges usually have different distribution of gray scale value, due to uneven distribution of light and various properties of the crack background of fingerprints.
由于光线分布不均匀或斑块噪音干扰等原因，往往使所要处理的指纹的灰度值分布缺乏均匀性。
The shallow surface crack fracture toughness was tested, and the fracture toughness probability distribution between the deep and shallow surface cracks was compared.
测试了浅表面裂纹的断裂韧度，比较了深、浅表面裂纹的断裂韧度概率分布。
Hydrogen distribution of crack tip were measured.
并测试裂纹尖端附近的氢分布。
The results show that the weaken of crack directors has a little influence on stress release and little influence on stress distribution when the crack directors is uncracked.
实例计算结果表明：在诱导缝未开裂时，其削弱程度对坝体应力的释放程度有很小的差别，而对坝体应力分布规律几乎没有影响；
In this mode, there is no wrinkle and crack in drawing parts, the thickness distribution is even and the overall forming quality is better, which meet the design and use requirements.
在该加载模式下，拉深件无起皱和拉裂缺陷，零件区域厚度分布均匀，整体成形质量较好，满足设计和使用要求。
These can be essentially obtained by the distribution analyses of the stress and strain extreme values near the crack tips according to the theory of fracture mechanics.
利用断裂力学中的裂纹尖端应力和应变场的极值分布情况，可以从根本上解决这一问题。
It is obtained that the strength of the material decreases as the degree of disorder of micro-crack size distribution increases.
得到了材料的断裂强度随微裂缝长度随机分布无序度的增加而降低的规律性。
Numerical calculation has been taken for rectangular crack and the distribution of stress intensity factors along the crack edge has been obtained.
对矩形裂纹面进行了数值计算，得到了应力强度因子沿裂纹边界的分布规律。
The results descube the development of the 3-D stress distribution near the crack tip. The analysis show…
研究了裂缝尖端附近三维应力分布 ，及沿厚度方向的应力分布。
The results descube the development of the 3-D stress distribution near the crack tip. The analysis show…
研究了裂缝尖端附近三维应力分布 ，及沿厚度方向的应力分布。
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