该文运用自组织临界状态理论，建立了楔状体临界锥顶角数学模型。
Through application of the theory of self-organized criticality, the critical tapers mathematical models of wedges are constructed in this paper.
根据试验结果，确定了标准砂的临界状态线及临界状态参数。
Then, the critical state lines are provided based on the test results of different stress paths.
分析了散粒体临界状态下的变形特征，应用能量平衡原理导出了临界状态下的变形规律。
This paper analyses the deformation characteristics of granular materials at critical state, and the deformation regulation is derived on the principle of energy equilibrium.
结果表明：在合成气中加入合适的超临界介质并控制反应条件，体系可以达到超临界状态；
The results showed that the ammonia synthesis system could reach supercritical state by adding a suitable supercritical medium and then controlling the reaction conditions.
渐近状态是比临界状态更为广泛的一个概念，临界状态是渐近状态在体应变增量为零时的特殊情况。
And asymptotic state is a more common concept than critical state, which is a particular case when volumetric strain increment equals zero.
确定了黄河下游河道处于泥沙存贮-释放临界状态的水沙临界条件。
Based on data from the Huanghe (Yellow) River, the sediment storing-releasing process in an alluvial channel has been studied.
在满足一般力学原理和临界状态土力学理论的基础上 ，本文将亚塑性理论与临界状态土力学相结合 ，推出了一个计算无粘性土静止土压力系数的理论公式 。
The concept of introducing critical repeated stress level into the Carter Model is expounded based on the critical state soil mechanics; and the Carter Model is modified.
利用这一条件确定了材料由均匀损伤过渡到局部损伤的临界状态，同时指出临界状态异于且滞后于峰值应力状态。
The critical state is defined according to the criterion, which is a transition from uniform damage to local damage; and the state is different from the peak stress state and lags behind it.
本文应用非线性有限元法，对考虑初始缺陷的扭壳、扭网壳进行整体稳定分析，获得了临界状态时的失稳模态和临界荷载。
In this paper, the nonlinear FEM is used to analyze the general stability of torsional shell and torsional reticulated shell with original imperfections.
本文应用非线性有限元法，对考虑初始缺陷的扭壳、扭网壳进行整体稳定分析，获得了临界状态时的失稳模态和临界荷载。
In this paper, the nonlinear FEM is used to analyze the general stability of torsional shell and torsional reticulated shell with original imperfections.
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