Introduced the principle, application efficiency and influence factor of orientation fracture blasting technology.
介绍了定向断裂爆破技术的原理，应用效果及其影响因素。
The results indicate that the difference of fracture toughness between MD and CD increases with a decrease in jet_wire speed ratio, and the main reason is stronger fibre orientation.
试验结果表明：减小浆网速比，增强了纤维定向作用，裂缝纵向分布增加，导致纸张中纵横向断裂韧性差异增加。
The fracture way and the crack propagating orientation will be changed by the influence of many factors when the crack grows through the bonding interface.
受多种因素影响，裂纹穿过层间界面时，会引起断裂方式和扩展方向的改变。
The initial fracturing pressure and initial fracture configuration can be affected and controlled by a change of the orientation of the horizontal hole.
通过改变水平段取向可以影响初破裂压力和控制初裂缝形态。
The relationship between fracture toughness and crystal orientation hasbeen also examined.
断裂韧性与晶体学取向的关系亦作了分析。
If pattern arrangement is irrational, fracture is in adverse orientation, serious consequence such as early water breakthrough, even burst water flood will happen to producing well.
如果井网布置不当，裂缝处于不利方位，生产井将出现见水早、甚至暴性水淹等不利于生产的严重后果。
The fracture surfaces of the focal mechanisms are selected according to the mass moving orientation of earth deformation field in the Yajiang region in recent period.
根据雅江地区近期大地形变场物质运移方向，选定了震源机制解的破裂面。
It will act as an important effect to take rectangular pattern for improving recoverable reserves, recovery factor of natural gas if the orientation of hydraulic fracture has been defined.
在确知水力裂缝方位的情况下，采用相应的矩形方式布井将会对提高可采储量和天然气的采收率起重要作用。
Analytical results have shown that the influence of the orientation and position of single crack originated from the boundary of tunnel on the fracture of rock around tunnel is considerable.
分析结果表明裂隙的方向和位置对围岩断裂的影响是显著的。
It is used to determine the orientation of a vertical fracture from interference test.
利用此模型可在干扰试井中确定垂直裂缝的方位。
The correlative nature is revealed between the morphology and orientation of the striations on fatigue fracture surfaces.
疲劳辉纹的形貌特征和位向有一定的相关性。
The results show that hydraulic fracture propagation is not only related to the orientation of borehole in the stress field, but the magnitude of principal stresses.
通过研究发现，水力裂缝方位不但与井筒在现场地应力场中的方位有关，而且主应力的大小也会影响到裂缝的延伸情况。
The results show that hydraulic fracture propagation is not only related to the orientation of borehole in the stress field, but the magnitude of principal stresses.
通过研究发现，水力裂缝方位不但与井筒在现场地应力场中的方位有关，而且主应力的大小也会影响到裂缝的延伸情况。
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