Abstract: Based on a set of hydrodynamic equations and a linear time-dependent perturbation theory, the influence of the interaction of ions-dust grains on ion acoustic wave IAW and dust acoustic wave DAW in dusty plasma is analyzed．
The results show that the interaction makes IAW more stable and DAW less stable．

Key words: Dusty plasma, Ion acoustic wave, Dust acoustic wave

摘要： 基于流体力学方程和与时间相关的线性微扰理论，分析了尘埃等离子体环境中离子与尘埃粒子的相互作用对离子声波和尘埃声波的影响，结果表明两者间的相互作用使得离子声波变得稳定而使尘埃声波变得不稳定。

关键词: 尘埃等离子体, 离子声波, 尘埃声波