Both unstable failure of coal contained gas and the coal and gas outburst are key problems in the process of coal mining.
含瓦斯煤失稳破坏和煤与瓦斯突出是煤矿开采过程中急需解决的关键问题。
The results show that the deformation stability theory provides practical and effective theory and method for the global stability assessment and unstable failure analysis of cavern group.
研究表明，变形稳定理论为库群整体稳定性评价和失稳破坏分析提供了一套实用而有效的理论和方法。
The paper numerically demonstrates the pillar failure process-from micro crack to macro crack to unstable failure and studies the relations between limit load and statistical mean strength.
分析结果再现了矿柱从微破裂产生到宏观裂纹形成、最后产生失稳破坏的全过程，并研究了统计平均强度与极限承载力的关系。
But that does not mean that more effective checks on the mentally unstable are impossible, or that restrictions on the killing power of what can be sold are doomed to failure.
但是那并不意味着对于一些精神失常的人，在枪支使用方面的有效控制是不可能的，或是对于何种枪支可供出售的限制注定会失败。
If your environment is unstable with regular component failure you may also wish to reconsider running the channels as trusted applications.
如果您的环境不稳定，经常出现组件故障，也可能要重新考虑是否将通道作为受信任应用程序运行。
Notably no varus collapse due to bushing failure was noted despite a high percentage of high-energy unstable injuries.
值得注意的是没有发现一例因套管失效而导致的内翻塌陷，尽管高能量不稳定性损伤占有很高比例。
Patients with unstable angina, a recent history of MI or acute heart failure, or an LVEF <40% were excluded.
排除患有不稳定心绞痛、近期发生心肌梗塞或急性心力衰竭的患者以及左心室射血分数<40%的患者。
The potential for missing an injury or failure to appreciate the significance of an injury is great, especially in the unresponsive or unstable patient.
漏诊某处损伤或对某处损伤的重要性认识不足，这种可能性是很大的，对于无反应或状态不稳的病人更是如此。
Objective: Utilizing the noninvasive heart function monitor to choose the best positive end expiratory pressure (PEEP) for the respiratory failure patients with unstable haemodynamics.
目的：研究利用无创心功能监测仪辅助对血流动力学不稳定呼吸衰竭病人选择最佳呼气末正压（PEEP）。
The performance of high speed rolling bearing was studied under unstable conditions of rotation speed fluctuation, and the failure modes of the bearing were analyzed under such conditions.
分析了高速滚动轴承在转速波动这一非平稳状态下的运行状态，研究了转速波动对轴承运转性能和失效模式的影响。
When a plan is built on an unstable foundation, failure is not only a possibility, it's a certainty.
而当计划原本就建立在不稳定的基础上，失败就不仅仅只是一种可能，而是一种必然。
BACKGROUND: In postsurgical acute renal failure patients with moderate unstable hemodynamics or fluid overload, the choice of dialysis modality is difficult.
背景：在术后同时伴有中度血流动力学不稳定或者液体超负荷的急性肾衰患者，透析方式的选择是非常困难的。
The failure of steep overdip stratified slope is generally caused by slidingbending in unstable cutting slopes of highway in limestone mountainous area.
陡倾外层状岩石边坡由于滑移-弯曲变形所形成的滑坡是石灰岩山区高速公路挖方边坡失稳的一种复杂的地质模式。
The failure of steep overdip stratified slope is generally caused by slidingbending in unstable cutting slopes of highway in limestone mountainous area.
陡倾外层状岩石边坡由于滑移-弯曲变形所形成的滑坡是石灰岩山区高速公路挖方边坡失稳的一种复杂的地质模式。
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