The failure wave phenomena in glass media under shock loading are analyzed. The propagating mechanism and dynamic characteristics of failure wave and the property of failure layer are revealed.
分析了玻璃材料在高速冲击条件下的破坏波现象,对破坏波的传播机制及其动态特征以及破坏层的性质进行了研究。
In calculation, adopted load-unload criterion of stress wave propagation was to decide load-unload state of element and to adjusts and transfers internal stress for tensile failure element as well.
计算中用应力波传播的加卸载判别准则来决定单元的加卸载状态,对受拉破坏单元进行内部应力调整和应力转移。
The first passage failure theory is applied in studying the stability of a ship under stochastic wave excitations.
利用首次穿越失效理论研究了在随机波浪激励下的船舶稳性。
We show for the first time in a large general population that people with prominent arterial wave reflections are at greater risk for developing heart failure in the future.
我们首次在大样本普通人群中指出,伴明显动脉反射波的人们未来发生心力衰竭的风险较高。
Based on the one dimensional wave propagation theory, a simple dynamic model was presented to analyze the failure process and energy absorption of the shells under impact loading.
根据一维应力波传播理论,提出了圆柱壳受轴向撞击破坏的简化模型,分析了这一破坏过程中的能量变化。
Objective to investigate the application of pulsed-wave Doppler tissue imaging (PW-DTI) in evaluating left ventricular systolic and diastolic function in patients with chronic heart failure (CHF).
目的:探讨脉冲多普勒组织成像(PW DTI)技术在评价慢性心力衰竭(CHF)左室舒缩功能方面的应用。
Open circuit failure of chip resistors in wave soldering are analyzed and the remedy measures are presented. no refs.
分析了厚膜片状电阻器波峰焊时开路失效的原因,并提出了相应的解决方法。
The vertical earthquake wave is a mian factor to cause the failure of the frame tube structure, therefore it must be considered in the design of the structure.
竖向地震是引起结构破坏的主要因素之一,因此在设计时应考虑竖向地震的作用。
This technical failure often triggers a final low in a downtrend, followed by a recovery wave that closes back above the contested level.
这种技术故障通常引发一个下降趋势中最后的低点,之后会出现一个恢复到争议水平之上的波动。
The range of fracture failure zones under the influence of blasting stress wave was identified and the calculation formula of the failure zone was also proposed.
研究了爆炸应力波作用下裂隙岩体断裂破坏范围并提出了新的破坏范围计算公式;
Based on the one-dimensional wave propagation theory, a simplified dynamic model was presented to analyze the failure and energy absorption of the tubes under impact load.
根据一维应力波传播的理论,提出了圆柱壳受轴向撞击破坏的简化模型,分析了这一破坏过程中的能量变化。
Engineering practice shows that the seismic wave ct has notable effect on the failure depth detection of floor, and it has dynamic characteristic and better applicability.
开采探测实践表明,震波CT技术对底板破坏规律探测具有连续的动态效应,其适用性强,应用效果显著。
Success and failure is always a hot topic in China's surging wave of mergers and acquisitions.
在我国风起云涌的并购浪潮中,成功与失败永远都是热门的话题。
The mechanism and principle of the electromagnetic wave radiation is described in this paper. And this gauge is used to investigate the rock ahead of failure.
叙述电磁辐射产生机理及测试原理,并利用电磁辐射对煤(岩)破坏前进行实时监测。
As soon as the failure disappears, it stops recording the wave forms.
一旦故障消失,即刻停止录波。
Roof is composed of heterogeneous rock. When roof failure happens, a large amount of energy would release in the form of seismic wave.
顶板是一种典型非均质岩石材料,在其破坏演化过程中将释放能量产生地震波。
Roof is composed of heterogeneous rock. When roof failure happens, a large amount of energy would release in the form of seismic wave.
顶板是一种典型非均质岩石材料,在其破坏演化过程中将释放能量产生地震波。
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