Describing rock fracture as a non-equilibrium process in which micro-cracks nucleate, grow and propagate, a set of differential equation describing this evolution process is derived.
认为岩石断裂是岩石内部微裂缝成核、形成和传播的非平衡过程，导出了描述这个过程的微分方程。
Tom Cleverley looks set for an extended spell on the sidelines with a possible fracture in his foot.
克莱维利看上去要休息很长时间了，因为他的脚有可能骨折。
Two dynamic ice force functions were separately set up for the two modes of two-time fracture process in this paper.
本文针对二次断裂进程的两种模式，分别提出了两种模式下柔性锥体结构上的概化冰力函数。
In the light of the characteristics of Sichuan gas fields, a numerical simulation model of researching water invasion of individual well in fracture gas reservoir with bottom water is set up.
根据四川气田的特点，建立了一种裂缝性底水气藏单井水侵研究的数值模拟模型。
The grain fracture of energetic particle bed as a result of dynamic impact and dynamic compression at different temperature was measured by using a high-low pressure launch set.
利用高低压发射装置，测定了含能颗粒床在不同环境温度下动态撞击与动态挤压的破碎程度；
Objective To set up an experimental model of stress fracture, and further explore the pathogenosis of stress fracture.
目的：建立应力性骨折实验模型，探讨应力性骨折发生机理。
With the assumption that the sites of fracture nucleation are randomly distributed in the sample, we deduce out a set of enclosed equations for predicting the fragment number and size distribution.
同时，假设断裂成核点随机分布于样品中，依据统计原理导出了一组完备的方程组，由此从理论上给出了碎片的数目及其大小分布关系式。
Contrast with the core analysis and the material of imaging logging carefully, the identification for fracture was set up in the imaging logging field.
经岩心分析与成像测井资料仔细对比，建立起裂缝在成像测井资料上的识别方法。
According to statistic stationary random process theory, a set of three - dimensional indexes and methods describing the shape of spatial curved surface of rough fracture have been presented.
根据数理统计原理，从随机平稳过程理论出发，提出了一套描述裂隙空间曲面几何形态的三维指标和方法。
A pullout model is set up in this paper and the fracture theory is employed to analyze the singular stress fields in the proximity of the interface ends.
以锚索拔出为对象建立理论分析模型，对岩锚界面端部的断裂力学行为进行了研究。
According to development data and the logging data, this paper studied the distribution of crustal stress and set up the collapse pressure model and formation fracture pressure prediction model.
根据测井资料和开发资料研究群库恰克地区区块地应力分布大小，建立了研究区块地层坍塌压力、地层破裂压力预测模型。
The main estimation is the rugosity and the linear rugosity of the fracture surface. A set of theoretical models has been built.
评价的主要内容集中在裂隙面粗糙度和线粗糙度方面，并建立了一系列的理论模型。
The tiger's eye stone's deposit layed among a set of basic submarine extrusive rocks in Yaolinghe Rock-Formation, and controled by a group of NNW inclined structure fracture.
虎睛石矿床赋存于耀岭河岩组一套基性海底喷发岩系中，受北北西向的一组缓倾斜构造裂隙控制。
At the same time the available methods are set forth to prevent fracture of the frozen pipes.
同时，又进一步探讨了防止冻结管断裂的有效途径。
At the same time the available methods are set forth to prevent fracture of the frozen pipes.
同时，又进一步探讨了防止冻结管断裂的有效途径。
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