裂缝的

This paper established an approach, based on the superposition principle, for providing models and solutions for arbitrarily oriented fractures. So the anisotropism of fractured formations is estimated quantitly.

基于叠加原理，本文建立了裂缝网络的分析模型并推导出任意方位裂缝的渗透张量的表达式，据此可对裂缝性储层的各向异性进行定量评价。

Under the basis of fracture topography analysis, the micro-contact model of asperity and the contact process between two fracture surfaces have been studied.

在裂缝拓扑特性参数分析的基础上，对裂缝接触的微观弹性模型和自然裂缝的实际接触过程进行了深入地分析。

This paper mainly study on the algorithm of the evaluation and recognition of the highway asphaltum pavement crack, and mainly concentrate on the crack image processing and the recognition of the crack type.

本文主要是对公路路面裂缝的识别与检测算法进行原理性的研究，主要集中于裂缝图像的处理以及裂缝类型的识别两个方面。

Taking for the f 6 of ground fissures in Xi'an city, this *** imitated disaster prevention of the three-level buildings which were crossing the ground fissures and the width of the influencing zone of ground fissure hazards. Based on the finite element analysis, it calculated the safety distance of hanging wall and footwall.

以西安市f 6地裂缝为例，对跨地裂缝的三级建筑物防灾、地裂缝灾难影响带宽度进行了数值模拟；提出了上下盘建筑物的安全间隔。

Based on the fracture mechanics approach, the finite element method analyzed a varity of the stress intensity factor at the pavement crack tip when setting fiberglass-polyester paving mat, and the effect of the stress intensity factor in symmetric load and asymmetric load was studied when the asphalt layer modulus, thickness of semi-rigid base, the the depth of the crack, touch condition, interlay modular, etc., changed.

基于断裂力学的方法，采用ANASYS软件模拟沥青路面典型结构，分析了设置聚酯玻纤布夹层后，在正载和偏载作用下，裂缝尖端应力强度因子的变化，研究了沥青层模量、基层厚度及裂缝扩展深度等结构参量及层间接触条件和夹层模量对应力强度因子的影响规律分析结果表明，设置聚酯玻纤布夹层，可以有效防治荷载型反射裂缝的扩展。

Based on the example in Min114 block at Xinmin oil field,the authors analyze the relation of the fracture and crustal stress,measure the direction and length of the hydraulic fracture by receiving the microseism signals when the terrene is broken,which provides a basis for deploying reasonable flood pattern for development of low permeability reservoir.

以新民油田民114区块为实例，利用微震裂缝监测技术，通过接收地层破裂时的微震信号测定水力压裂产生的人工裂缝的走向与长度，分析裂缝发育与地应力的关系，为低渗透油藏开发中合理部署注采井网提供依据。

Based on the mechanisms for stress-assisted corrosion problem in oil-pipe system, authors have carried out numerical simulation, with application of Charles-Hillig Model 10 to study the behavior of crack propagation, where the advanced front-tracking method has been employed for finite element mesh construction and re-construction.

基于油气管道表面微裂缝在应力和腐蚀耦合作用下的扩展机理，根据Charles-Hillig模型用数值方法模拟了裂缝的动态扩展过程。研究的重点是确定裂缝扩展时的形态以及可以避免应力腐蚀现象的载荷和环境条件。

"Flower in the Crannied Wall" Flower in the crannied wall, I pluck you out of the crannies, I hold you here, root and all, in my hand, Little flower -- but if I could understand What you are, root and all, and all in all, I should know what God and man is.

花在有裂缝的墙内花在有裂缝的墙内，我采摘你于裂缝之外，我拿着你这儿，根和全部，在我手中，小花—但如果我能够明白你是什么，根和全部，而总的说来，我应该知道什么是上帝和人类。

In this paper, the 3DMove fracture prediction technique is used to predict the distributions and azimuths of fractures in two sets of strata at the top of Archaean Group and Paleozoic Group, and the stretch degree of fracture is analyzed in terms of stress field.

本文应用3DMove构造正反演裂缝预测技术预测古生界潜山顶和太古界顶两套地层的裂缝分布和方位，并从应力场的角度对裂缝的开启性作出分析。

In order to study the deformation destructive pattern and influence rule of box tunnel lining structure cross the ground fissure with 30 degree, based on the background of Xi'an metro engineering and the geological environment of Xi'an ground fissure, the similar constant of box tunnel lining structure modelling experiment was designed according to the similar theory, furthermore, the parameters of model concrete, model reinforcement bar and model structure country soil were designed.

为了研究小角度（30°）斜穿地裂缝的箱型隧道衬砌结构在地裂缝影响下的变形破坏模式和影响规律，从西安地铁工程背景和西安地裂缝地质环境出发，根据相似理论设计了箱型隧道衬砌结构模型试验的相似常数，在此基础上对模型混凝土、模型钢筋、结构围岩参数等进行了设计。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。