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- Discussion on Decrease of Loss and Impoverishment and Increase of Mining Recovery Rate 金属矿山降低矿石损失和贫化提高回采率的探讨
- Keywords metallic mine;loss;impoverishment;mining recovery rate;scientific management; 金属矿山;损失;贫化;回采率;科学管理;
- mining recovery rate 采矿回收率
- It is key problem to raise the top coal recovery rate of the fully mechanized sublevel caving mining. 提高顶煤放出率是综放开采的一个重大课题,预注水弱化顶煤是解决这一问题的有效方法之一。
- The average recovery rate is 98% to add tetramine into the samples. 样品加标平均回收率为98%25。
- Results:every group bacetrium recovery rate:ou higher than70%. 结果:各组菌回收率均高于70%25。
- The mean recovery rate was 103% and the CV was 4.3%. 平均回收率为103%25;变异系数为4.;3%25。
- The recovery rate of the treatment with azithromycin was 70%. 阿奇黴素治愈率94.;44%25，红毒素治愈率70%25。
- The average recovery rate of MgSO4 was 99.3% with RSD of 0.66%. 硫酸镁的含量测定，中药成分无干扰，平均回收率为99.;3%25，RSD=0
- The average recovery rate of MgSO4 was 99.3 % with RSD of 0.66 %. 硫酸镁的含量测定;中药成分无干扰;平均回收率为99.;3%25;RSD=0
- It shall see to it that the recovery rate and impoverishment rate in mining and recovery rate in ore-dressing meet the design requirements. 矿山企业的开采回采率、采矿贫化率和选矿回收率应当达到设计要求。
- Collectively-owned mining enterprises and privately-owned mining undertakings shall raise their technical level and increase the recovery rate of the mineral resources. 集体矿山企业和个体采矿应当提高技术水平，提高矿产资源回收率。
- Article 37 Collectively-owned mining enterprises and privately-owned mining undertakings shall raise their technical level and increase the recovery rate of the mineral resources. 第三十七条 集体矿山企业和个体采矿应当提高技术水平，提高矿产资源回收率。
- Abstract Dfect of the present calculating metheds to total mine recovery are pointed out by comparison, and a new calculating methed is interred and checked. 通过比较，指出了现行全矿区（井）总开采回采率计算方法的缺陷，推导出新的全矿区（井）总开采回采率计算方法，并用实例加以验证。
- The iron grade can be 54.16% and the recovery rate 92.46% after reductio... 经过还原处理的样品获得了较好的指标;铁品位54.;16%25;回收率92
- The applied effect showed that this way can improve cyaniding recovery rate. 应用生产后,提高了氰化回收率;
- Result: the average recovery rate of Astragaloside IV reaches 97.6%, RSD=0.55%. 结果：黄芪甲等的平均回收率为97.;6%25，相对标准偏差RSD=0
- Finally LOD, linearity scope, precision and recovery rate are obtained. 通过实验得到方法检出限、线性范围、精密度、回收率等数据。
- Recovery rate of elemental calcium is 101.0% through the measuring method. 试验证明该方法测定钙元素的回收率为101.;0%25；
- In Ankang Gold Mine,full attention on daily work of management of jig bed was paid,so the recovery rates of jig and ... 安康金矿重视跳汰机床层的日常管理工作，有效提高了跳汰机作业回收率和船选回收率。
