采区回采率 meaning in Chinese
working section recovery
Examples
- Probing into reasonable design of working section recovery
对合理设计采区回采率的探讨 - Xinji no . 3 coal mine is a steep mine . it has reached pre - results by isolating the pillar with loosen blast technology in recovery area . the recovery rate is lifted and coal loss is reduced . it is an example for the same mine
新集三矿属急倾斜矿井，在回收区段隔离煤柱中应用松动爆破技术，达到了预期效果，提高了采区回采率，减少了煤炭损失，并为同类型矿井提供了经验。 - The sustainable utilization evaluation of regional mineral resources this text regards laiwu ( in the middle of the shandong province , the east hillfoot of mount tai ) as a district of studying , so do maplnfo as workbench . by the present situation analysis of mineral resources , 19 indexes are chosen to form the evaluation system of the mineral resources sustainable development , they are fund tax rate , worker per capita incomes , rehabilitation rate , sloping rate , the ratios between reserves and extraction , tailing utilization ratios , atmosphere quality , water quality , economic - societies coordinate coefficient , etc . according to the experts , the quantitative indexes are quantified
2 、区域矿产资源可持续利用评价本文以莱芜市(位于山东省中部，泰山东麓)为研究区，以mapinfo为工作平台，通过对矿区矿产资源开发现状分析，决定选择资金利税率、职工人均收入、塌陷土地复垦率、采区回采率、储采比、尾矿利用率、大气环境质量、水环境质量、经济社会协调系数等19个因子，组成矿区可持续发展评价的评价因子，根据专家赋分值将定量因子进行量化，用模糊数学的方法对数据进行处理，使它们具有可比性。