1) ore cut off grade
矿石边界品位
1.
The influencing factors of ore cut off grade for mining enterprises under the market economy condition are analyzed.
分析市场经济体制下影响矿山企业矿石边界品位的主要因素。
2) delineation of orebodies with cut-off
边界品位圈矿
3) dump leaching
(低于边界品位的)废弃矿石堆浸
4) marginal grade
边界品位
1.
This authors introduce the methods of a statistical and infinite calculus to determine the marginal grade of titanium placer in Panzhihua City,in order to make a complete analysis of reserves of titanium placers there.
简要介绍用统计和曲线积分方法确定攀枝花钛砂矿的边界品位;对传统的地质块段法储量估算进行数学纠正,并对调查区钛砂矿储量进行估算(以丙谷矿体为例),旨在提出一个钛砂矿储量估算分析流程。
2.
Based on the grade distribution character of 320 Uranium Deposit and the technical economy indexes of mining and hydrometallurgy, the mine reasonable recovery marginal grade is determined with the assessment method of mathematical statistics by use of computer.
根据320铀矿床的品位分布特征和矿山采冶技术经济指标,以计算机为工具用数理统计估值法确定矿山合理的开采边界品位。
3.
Marginal grade should go hand in hand with the price of mineral products.
边界品位与矿产品价格密切相关。
5) border grade
边界品位
1.
The titanium border grade of Panzhihua is identified by means of statistical and infinitesimal calculus(referring to the data of Yunan’s titanium properly) to get optimum application.
通过用统计和曲线积分方法(并适当参考云南钛砂资源的资料)来确定调查区合理的钛砂矿边界品位,达到矿产资源的最优利用;以规则的取样投影图形代替水平投影,对传统的地质块段法储量估算进行了数学纠正以得到合理的估算参数,并对调查区钛砂资源进行了远景储量估算。
6) cutoff grade
边界品位
1.
The dynamic programming optimize method and its application of cutoff grade;
边界品位的动态规划优化方法及其应用
2.
Discussion on influencing factors of cutoff grade
关于边界品位影响因素的探讨
3.
Taking maximum net present value as an optimum target and considering factors in mining,milling and metallurgy,a dynamic optimum method for optimizing cutoff grade of underground orebody is given.
以净现值最大为优化目标,同时考虑采、选、冶三阶段因素,给出了地下开采矿体边界品位动态优化的方法。
补充资料：矿石边界品位
矿石边界品位
cut-off grade of ore
代己口ngshl匕一。户」{e Plnwel矿石边界品位(c、;卜off grade of。re)。_业矿体边缘和内部，区分矿石与围岩或夹石的单个样品品位的最低下限流它是圈定矿石边界的工业指标之一尤其是矿石构造为细脉浸染状、矿体与围岩呈过渡状态、没有明显边界的矿体，要用边界品位才能圈定_「_业矿体边界和内部夹石。矿石边界品位的高低直接影响到仁业矿体的形状及其复杂程度、规模大小、平均品位、储量、开采的贫化率和损失量、选矿加_工处理量和采选成本等一系列技术经济指标，以及矿山企业的经济效益和社会效益矿床勘探和矿床地质工作中，最佳矿石边界品位常用方案对比法，经过技术经济分析确定 (陈国优)
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条