本文采用与时间有关的线性微扰理论，分别讨论了旋转气流、纵向气流的作用，以及它们共同的作用下电弧螺旋不稳定性的特征。
The linear time perturbation theory is used in this paper, the effects of rotary flow, axial flow and both of them to the arc stability are discussed respectively.
对于分段线性系统稳定性分析以及控制器的优化设计问题，本文给出了一种基于分段二次李雅普·诺夫函数的求解方法。
Based on a piecewise quadratic Lyapunov function, this paper presented a stability analysis and optimal controller design method for piecewise linear systems.
研究了该结构作为理想壳的非线性稳定性能，以及加荷过程中若干次屈曲后的结构位移形态。
The nonlinear behaviors of a perfect dome and its deflection shapes at several points after buckling are investigated.
计算内容包括静力计算、线性屈曲分析以及考虑初始缺陷的几何非线性稳定性计算。
The stability calculation has three parts, including static calculation, linear buckling analysis and geometrical nonlinear stability analysis.
为了防止亚谐波振荡以及提高系统的稳定性和带载能力，设计了一种全区间分段线性斜坡补偿电路。
This paper introduces the theory of slope compensation and presents a piecewise linear slope compensation circuit for peak current mode boost DC-DC converter.
本文研究了具有非线性接触率和易感类中具有种群动力学的SIS传染病模型的正不变集、平衡位置以及平衡位置的稳定性。
In this paper, we have studied a SIS epidemiological model with a nonlinear incidence rate and population dynamics in susceptible class.
本文用等效增益概念，根据根轨逊理论，导出了具有普遍意义的非线性系统稳定性的判别准则以及定性定量分析稳定性的方法。
From theory of root locus derived are the criteria of universal interest for stability of nonlinear system on the basis of equivalent gain, and methods for its qualitative and quantitive analyses.
它具有优异的抗紫外线性能，优良的热稳定性，以及适合汽车内饰应用。
It has excellent UV resistance, excellent thermal stability and and is well suited for automotive interior applications.
它具有优异的抗紫外线性能，优良的热稳定性，以及适合汽车内饰应用。
It has excellent UV resistance, excellent thermal stability and and is well suited for automotive interior applications.
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