孔隙压力也强烈地影响地层中的(多达50%)的应力状态,并针对设计水力压裂处理而言是一项重要信息。
The pore pressure also strongly influences the state of stress in a formation (by as much as 50%) and is therefore a critical piece of information for designing hydraulic fracturing treatments.
为此,SKF研制了材料表面处理工艺,可增强表面硬度,并产生压应力。
For this, SKF developed material finishing technology, can enhance exterior hardness, arise press stress.
并对残余压应力和残余奥氏体可以提高接触疲劳寿命的原因提出了新的解释。
A new explanation of reason why the rolling contact fatigue life can be prolonged by residual compressive stress and retained austenite was advanced.
利用压电陶瓷技术,设计并制备整体式多阵列压力传感器,并用于爆炸冲击波压应力的测试。
Planar array and monoblock type pressure gauges were designed and prepared by piezoelectric ceramics, which were used to measure pressure of explosive blast successfully.
并指出气压效率越大的承压井,其含水层对应力应变的敏感程度越差。
It is pointed out that Wells with bigger barometric efficiency are poorer in the sensitivity of aquifer towards stress and strain.
并计算施工过程中墩顶必须承受的最大水平拉力以及钢纵梁的最大轴向压应力。
The maximum horizontal force that the pier must resist and the longitudinal stress of the stringer are studied.
通过工程试验,提出高强预应力混凝土管桩在砂性地基中静力压桩压桩力,并分析产生断桩的原因。
Through engineering trials, this paper brought forward the static installation pressure of PHC piles in sandy soil, and analyzed the reasons why PHC piles were caused to rupture.
以孔隙介质理论为基础,讨论了在压应力作用下孔隙水消散现象的机理,提出了孔隙水消散指数的概念,并通过实验获得了压应力与孔隙水消散指数的关系。
Bases on the pore medium theory, the paper discuses the water dissipated phenomena mechanism under suppress stress, puts forward the concept of the pore water dissipated exponent through test.
本文提出了最佳残余应力的计算方法;并设计了一种产生残余压应力的试验装置和工艺方法。
The particle provides the best calculating method of residual stress, as well as designs a kind of testing device and technological method to produce residual, stress.
目的:初步观察间歇压应力对表皮干细胞增殖分化的影响并探讨其可能的作用机制。
AIM: To investigate the mechanism of proliferation and differentiation of human epidermal stem cells cultured in vitro under the influence of compressive stress.
并求出了垂直对称线上轴向应力由压应力转变成拉应力的过渡点。
The interim point on the vertical symmetrical line at which the axial stress changes from the compression stress to tensile stress is further found.
确定了尾矿料的动力强度和动力参数。并探讨了颗粒组成、固结围压、固结压力比、动应力对动强度的影响。
The dynamic strength and parameters were determined, and some influential factors, such as particle composition, confining pressure, consolidated stress ratio and dynamic stress, were discussed.
此外,天然裂缝和现今构造应力场控制了人工压裂缝的展布,并影响油田的注水压力和注水效果。
Natural fractures and current tectonic stress field control the distribution of the artificial fractures and affect injecting pressure and effect of injecting water.
并根据保护层开采的应力卸压保护准则和变形保护准则,确定保护层沿倾向和走向的保护范围。
According to the protection rule of the deformation and stress-relief in exploiting protective layer, the inclination and strike protection scopes of protective layer are located.
并根据保护层开采的应力卸压保护准则和变形保护准则,确定保护层沿倾向和走向的保护范围。
According to the protection rule of the deformation and stress-relief in exploiting protective layer, the inclination and strike protection scopes of protective layer are located.
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