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- coal mine drainage drilling 煤矿排水孔
- It has been studied to treat SS (suspended solid) in coal mine drainage with pressurized dissolved-air flotation. 对加压溶气气浮法处理矿井水中悬浮物的处理效果进行了试验研究。
- However,V in acid coal mine drainage can not be removed with the increase in pH,on the contrary,the contents of V increase with the increase in pH. 酸性矿井水中V不能够随pH的升高而去除;反而会有更多的V溶解在水中.
- According to discussing the rules and technology of chemistry-flushing well, analyzing the application in practice, expound the importance of opencut coal mine drainage engineering. 通过对化学洗井原理、技术的充分论述,并分析在实例当中的应用,阐明了这种技术对露天矿疏干的重要应用价值。
- Reclamation and Reuse of Mine Drainage in Fuxin Coal Mine 阜新煤矿矿井涌水的资源化
- PRACTICE OF PURIFICATION OF MINE DRAINAGE IN PANBEI COAL MINE 潘北煤矿矿井水净化处理的技术实践
- Research on SS removal in coal mine drainage with flotation 加压溶气气浮法处理矿井水中悬浮物的研究
- Cycle Usage of Coal Mine Drainage Phase Treatment Technique 煤矿废水阶段性处理技术与循环利用
- Investigation on Comprehensive Utilization for a Coal Mine Drainage 某煤矿矿井水综合利用途径探讨
- They are ventilating the sap of a coal mine. 他们正在使煤矿坑道通风。
- That coal mine is no longer worked. 那个煤矿已经不经营了。
- TECHNIQUE ON TREATING AND PURIFYING MINE DRAINAGE IN BEISU COAL MINE 北宿煤矿矿井水净化处理复用技术
- A kind of hydraulics system for CKS-I hydraulic gas drainage drilling rig was designed. 介绍了一种自主设计的CKS-I型全液压瓦斯抽排放钻机的液压系统。
- The latest progress in the directional drilling system and its various applications including in-seam methane drainage, gob gas drainage, coal mine methane commercial recovery, etc. are presented. 本文介绍了定向钻进系统的最新进展,以及它在许多方面的应用,其中包括煤层内瓦斯抽放,采空区瓦斯抽放,煤层气商业回收等。
- Application of chemistry-flushing well in opencut coal mine drainage engineering in northeast area 化学洗井在东北地区露天疏干工程中的应用
- Keywords sulfate reducing bacteria （SRB）;acid coal mine drainage（ACMD）;cheap carbon source;unsealed reactor; 硫酸盐还原菌;煤矿酸性废水;廉价碳源;敞口反应器;
- Keywords Jiaozuo coal mine;mine drainage;environmental pollution;prevention and cure countermeasures; 焦作煤矿;矿坑排水;环境污染;防治对策.;;
- They underwrote the coal mine's bonds. 他们同意买下该煤矿的未认购的股票。
- The rock drill is indispensable for digging coal mines. 凿岩机是煤炭采掘不可缺少的工具。
- Xinpu Phosphate Mine is the first among mines in China to introduce the mine drainage by drift and drill bole in design. 新浦磷矿设计中采用的巷道与地表直通式放水钻孔联合疏干技术,属国内首次使用。
