本文应用WKB方法研究了在弱非均匀层结大气中，当基本气流具有弱垂直切变时，重力惯性内波的稳定性问题。
This paper discusses the stability of internal inertial gravity wave in the heterogeneous stratified atmosphere when basic flow appears to be weak vertical shear by the WKB method.
计算结果表明，轴向气流对电弧稳定性起重要作用。
Computational results show that the axial gas flow play the main role on the arc stability.
前言：试图通过简单的“输入—输出”关系，判别煤粉气流火焰稳定性。
Through a simple "input output" relationship the ascertainment of pulverized coal flow flame stability is attempted.
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