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- ore dilution control 防止矿石贪化
- The openmining of Zijinshan gold mine just sta rt on, the ore dilution and loss of the present stripping method iswaiting forsolving. 紫金山金矿露天采矿刚起步,目前的采剥方法损失贫化大,尚待探讨解决。
- This method can improve the ore extraction rate and reduce the ore dilution rate and has been found to be a rational mining method for the mine. 该方法提高了矿石的回采率,降低了矿石的贫化率,为矿山寻找出一条合理的开采方法。
- The openmining of Zijinshan gold mine just sta rt on,the ore dilution and loss of the present stripping method iswaiting forsolving. 紫金山金矿露天采矿刚起步,目前的采剥方法损失贫化大,尚待探讨解决。
- Research shows that main cause of ore dilution in sublevel caving mining is tlnrational cut-off grade drawing.Non-dilution ore drawing is most ideal drawing mede. 研究表明,造成无底柱分段崩落法来出矿石贫比大的根本原因在于采用了不合理的截止品位放矿方式,无贫化放矿是无底柱分段崩落法最为理想的放矿方式。
- The analysis of the main causes for the ore dilution in Chengchao Iron Mine has shown that the stope structure parameters are an important factor influencing the dilution index. 分析了程潮铁矿贫化产生的主要原因,指出采场结构参数是影响贫化率指标的一个重要因素。
- The ore dilution takes second place.When ore drawing is proportional by three drawing points, ore rock interface is short and dropped parallelly.The dilution and loss index are the fewest among them. 采用左中右三个出矿口均衡放矿时,矿岩界面最短且近似平行下降,矿石贫化与损失最少。
- Effective measures to control ore dilution ratio and mining loss rate in mine stope 降低采场矿石贫化率和采矿损失率的有效措施
- Simple Discussion about the Control and the Decrease in Ore loss Rate and Ore Dilution Rate of Mine Enterprises 浅谈矿山企业控制和降低采矿损失率与矿石贫化率
- Keywords mining method;resuing;ore dilution;gold mine; 采矿方法;削壁充填;矿石贫化率;金矿;
- Keywords ore dilution rate;ore loss rate;shallow shrinkage stoping; 矿石贫化率;矿石损失率;浅孔留矿采矿法;
- Dilution Control of Broad-beam Laser Clad Coating by Powder Feeding Method 宽带送粉激光熔覆稀释率的控制
- The ore is smelted in this large factory. 这个大型工厂里熔炼矿石。
- Industry rarely thrives under government control. 在政府控制之下工业很少会发达。
- First, ore is mixed with coke and limestone. 先把铁矿石和焦碳、石灰石混合在一起。
- Those rebellious teenagers are hard to control. 那些反叛的青少年很难管教。
- Pollution control has cleared the air. 污染管制已净化了空气。
- Discuss the Way of Reducing Aluminium Ore Dilution and Loss on Opencut Mining 探讨降低露天铝矿贫化和损失的途径
- An ASCII control character, end of medium. 一种ASCII码控制字符,媒体结束符。
- We will make an assay of the ore that he brought. 我们将对他带来的矿石做实验鉴定。