Dealing with the practice of Jincheng Mining Bureau, the effect of breaking large coal on the washing technique and benefit is discussed, some helpful opinions are suggested.
结合晋城矿务局实际,论述了选前大块原煤的破碎对洗选工艺及效益的影响,并对破碎作业提出了一些建设性意见。
This paper mainly researches on the technique of draining long distance pressure relief gas in bed plate tunnel under the circumstance of mining protective coal seam.
本论文主要是针对远程下保护层开采条件下,对底抽巷上向穿层钻孔抽放远程卸压瓦斯技术进行了深入的研究。
So we construct for the background by the Second Shizuishan Mining, tunneling of the coal road and rock drift, carried on research to single tunneling technique of the horizontal tunnel.
本文以石嘴山二矿煤、岩巷的掘进施工为背景,对水平巷道单巷掘进技术进行了研究。
The case study indicates that using Geo-information Tupu to study LUCC of coal mining area could be a advanced and feasible technique approach.
通过实例研究表明:基于多时相遥感数据,利用地学信息图谱研究煤矿区LUCC是一种先进可行的技术途径。
Based on expounding the cleaning mining technique and pollution control technique in the coal production, this paper probes into the issues about the cleaning production evaluating contents of...
笔者通过对煤炭生产过程中清洁开采工艺和污染控制技术方面的论述,探讨了煤炭井下开采清洁生产的评价内容和评价考核体系的建立问题。
This technique was used successfully on the feasibility analysis of mining under the left bank of Xifei River in Yangcun Coal Mine.
将该技术应用到杨村煤矿西淝河左堤下采煤可行性分析研究中,取得了较好的效果。
So the research on the water bursting mechanism and forecasting technique become the key technique of coal mining on top of the high pressure aquifer .
鉴于突水直接影响到煤矿的生产安全对底板突水机理的研究及突水预测预报技术研究成为承压水上采煤的关键技术。
The technique has been successfully used in Xingdong coal Mine and the good results of disposing waste in underground and mining coal resource under the surface building have been realized.
此项技术在邢东矿井得到成功应用,实现了矸石井下处理与建筑物下煤炭资源的开采利用。
Through surmounting solves the technology knotty problem of retrieving coal column of mining area with the system mechanization mining technique. By application in mining process the effect is better.
通过攻关,解决了综采工艺回收盘区煤柱的技术难题,经过在开采过程中的应用,效果良好。
Microseismic monitoring technique is of important meaning for the safety of coal mine, the prediction of the period of mining pressure and the increase of recovery rate.
微地震监测技术对确定采场覆岩“两带”高度、预报采场顶板破坏、预测煤与瓦斯突出,从而预防灾害发生、保证煤矿安全生产并提高资源回采率等具有重要意义。
Half coal rock lane quick-excavating technique under the condition of "two hard" has always been a main excavating problem influencing the Datong mining Cop.
前言:“两硬”条件下半煤岩巷掘进一直是影响大同煤矿集团有限责任公司采掘关系的主要问题。
The concept of green technique in coal mining was proposed. Its connotation and technical system were explained.
提出了煤矿绿色开采的概念,阐述了它的内涵和技术体系。
The concept of green technique in coal mining was proposed. Its connotation and technical system were explained.
提出了煤矿绿色开采的概念,阐述了它的内涵和技术体系。
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