Fly ash in flue gas not only crusts on the surface, stopping the dissolving of limestone, but also affects the dust discharge index, reducing the quality of gypsum.
烟气中的飞灰既在液相膜表面结壳，阻碍石灰石的溶解，又影响脱硫系统含尘量排放指标，降低石膏品质。
This paper introduces the basic idea, formulae and cases of application of the index smoothing method. It discusses several problems of its application in the mine groundwater discharge forecast.
本文介绍了指数平滑法的基本思想、公式及其应用实例，并探讨了它在矿坑涌水量预测应用中的几个问题。
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