在给定概率条件下相应指标分布特征不超过规定值的不同煤田的有益矿物,可以视为一个母体。乌克兰选煤科学研究所,检验了煤的不同浮沉组成分布的近似性,其目的在于:将顿巴斯煤炭试验分析的方法,推广应用到其他煤田的可能性。关于不同煤炭的指标近似性的设想,是根据影响形成煤炭的浮沉组成生成过 The beneficial minerals in different coalfields whose corresponding indicators do not exceed the specified value under given probabilities can be regarded as a parent. The Ukrainian Institute of Coal Preparation, which examines the approximation of the distribution of the different subsidence and sediment composition of coal, aims to: Promote the possibility of applying the method of analysis of the Donbass coal to other coal fields. The assumptions about the approximation of the indices of different coal are based on the composition of the drifts and sinks that affect the formation of coal