The temperature of dust grains, low temperature and high temperature ions and the number densities of the ions influence the property of dust acoustic waves.

热尘埃等离子体中的非线性尘埃声孤波在高阶横向扰动下是稳定的，且尘埃颗粒的温度、低温离子和高温离子的温度和数密度影响尘埃声波的性质。

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Do not install in areas subject to high temperature, high humidity, dust, corrosive gas, vibrations, shocks. To do so may result in malfunction or fire.

不要安装在高温，高湿度，灰尘，腐蚀性气体，振动及有电振等场所。否则可能引起产品误动作或火灾。

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Regarding bad condition of oil, carbon powder and dust enter into Generator stator and dust enter excitor stator and high temperature of the excitor stator coil.

针对发电机静子漏进油、碳粉、尘土，励磁机静子漏进尘土等物，励磁机静子线圈温度高等不良现象，提出改进方案，实施后效果良好。

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