论文部分内容阅读
矿井技术改造的经济效果评价捷克共和国ｏｓｔｒａｖａ大学矿业学院采掘业的经济效果（如吨煤成本、全员效率等）受到采掘工艺技术很大影响，矿用机械装备的革新改造也将影响采掘业的经济效果。本文以捷克共和国奥斯托拉瓦—卡维那矿区（以下简称ＯＫＲ）技术进步来说明这...
Evaluation of the economic effects of mine technical renovation The economic effects of the extractive industry (such as the cost per ton of coal and the total efficiency of the mining industry) of the School of Mining of the University of Ostrava in the Czech Republic are greatly affected by mining technology, and the renovation and transformation of mining machinery and equipment will also affect the extractive industry. Economic effect. This article illustrates this with the technological advancement of the Osterova-Kavina Ore (hereinafter referred to as OKR) in the Czech Republic...