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- 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。
- 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;
- Calculation Method on Ore Dilution Rate and Loss Rate in Mining Enterprise 浅谈矿山企业矿石损失与贫化指标的确定
- 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
- ore dilution rate 矿石贫化率
- Compared with other production section, south section ore scale, shape and occurrence are different, and it is difficult to control mining dilution rate in this section. 狮岭南地段矿体规模、形态、产状特征与其他主生产地段相比,差异很大,该地段采矿贫化率较难控制。
- 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。
- 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。
- When dilution rate got 0.5 h~(-1), the maximum value of GOS concentration (148 g/L) was achieved. 稀释速率0.;5 h~(-1)时;低聚半乳糖生成量最大;为148 g/L; 稀释速率0
- Low dilution rate of ore drawing 低贫化放矿
- Various experiments on this power source are carried on which show that it meets the requive-ments of HSW technology with stable voltage,low dilution rate,and smooth wel... 经过多项试验,结果表明:这种电源满足HSW法的焊接工艺要求,电压稳定,稀释率低,堆焊层表面光滑平整,能够获得高质量的焊缝。
- 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。
- The paper indicated that dilution rate, acidity and salinity had a great influence on the determination of sulphate in water samples.Optimum condition could make the result more stable and believable. 摘要用铬酸钡间接原子吸收法测定水中的硫酸盐，发现稀释倍数、欲度、酸度等对其影响特别大，通过试验比较，总结出应对措施，解决了测定结果的稳定度和可靠性。
- Some experimental techniques such as the dilution rate of flux and sample,preparation of sample with melting,the correction methods of the loss on ignition and the effects of enhancement and absorpt. 采用国家标准物质和以标准物质为基体添加纯试剂合成标样制作工作曲线;研究讨论了熔剂体系及样品的稀释比例、样品的熔融制备、烧失量和基体增强吸收效应的校正。
- In the mining process of medium thick steeply inclined orebody,changing the relative position of manway and pass on the stope face to suit the change of orebody can reduce the dilution rate. 在中厚倾斜矿体的开采过程中,改变人道和溜井在采场面的相对位置,可适应矿体的变化,降低贫化率。
- The paper indicated that dilution rate,acidity and salinity had a great influence on the determination of sulphate in water samples.Optimum condition could make the result more stable and believable. 用铬酸钡间接原子吸收法测定水中的硫酸盐,发现稀释倍数、盐度、酸度等对其影响特别大,通过试验比较,总结出应对措施,解决了测定结果的稳定度和可靠性。
- Note: Manufactures instructions regarding dilution rates, usage and rinsing must be strictly adhered to. 备注：必须严格遵守制造商提供的稀释率，使用和清晰说明。
- At this rate we won't be able to afford a holiday. 照这样下去，我们不会有时间／钱去度假的。
