The catastrophe model of mine spontaneous fire is established by using the theory of cusp catastrophe, the important conclusions about preventing and controlling mine spontaneous fire are deduced.
运用尖点突变理论，建立了矿井自燃火灾的突变模型，最后得出了关于矿井自燃火灾防治方面具有重要意义的结论。
To enhance the efficiency of mine fire control, the technology of three-phase foam for preventing spontaneous combustion of coal in goaf was developed.
针对目前煤矿防灭火技术与材料存在的一些不足，研制了一种用于防治采空区煤炭自燃的三相泡沫材料。
First, the serious hazards induced by mine spontaneous fire and necessity to be prevented and controlled are pointed.
本文首先指出了矿井自然火灾的严重危害以及防治的必要性。
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