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关于浮选设备工艺效果评定问题,1981年第2、3期《选煤技术》先后刊登了《一个便于评定选煤过程的指数》和《对浮游选煤选择性指标的探讨》两篇文章。此两文章分别提出了如下的计算式:
On the issue of flotation equipment process effectiveness evaluation, in 1981 2,3 period “Coal Preparation Technology” has published “an index for easy evaluation of coal preparation process” and “selective index of floating coal preparation” two articles. The two articles respectively proposed the following formula: