In this paper, the control of the atomic spontaneous emission is discussed by using the relative phase difference of the polychromatic field and certain results are obtained.

本文对利用多色场的相对相位控制原子的自发辐射问题进行了讨论，并得到了一定的结论。

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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。

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The water phase trapping tendency is studied by the way of the spontaneous imbibition's method to initial water saturation, and the damage mechanisms of the water phase trapping are synthesized.

对工区岩样利用毛管自吸法建立含水饱和度，评价气层水相圈闭的趋势，并分析引起水相圈闭损害的机理。

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