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Journals and Conferences
It is unavoidable to decline of the mine for the nonrenewable and finite of the coal. In the declined phase of the mine, the coal is getting less and less even to exhausted, the scale of the production is also smaller than before, and many staffs transfer to other places, so a lot of infrastructure are in idle state and the utilization rate of the… (More)
This paper introduced the index of resources flow efficiency to establish the coal resources flow network in production. The loss of coal resources, especially the resources quantity, the resources loss and the resources flow efficiency were quantitatively analyzed. Based on the enterprise practice of production and the fluctuation of quality-price ratio,… (More)
It is inevitable for coal enterprise to develop circular economy to achieve sustainable development. So the problem of how to measure the development effect of circular economy is proposed to us. The evaluation factor system of circular economic development effect in coal enterprise is determined first. From the basic theory of grey system, combined with… (More)