1) delineation of orebodies with cut-off
边界品位圈矿
2) 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。
3) 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。
4) 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。
5) 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。
6) cut-off grade
边界品位
1.
The results showed that the cut-off grade of magnetite ore in Baiyunebo Iron Mine should be readjusted from 20% to 15%.
研究结果表明,该矿的边界品位指标应由目前的20%调整为15%,调整后可使矿山获得12041万元的增量经济效益和91。
2.
On the basis of computerization of the optimization of open pit limit by moving cone,the data of simulated exploitation is computed with different cut-off grades.
以计算机实现移动圆锥的境界优化方法为基础,计算不同边界品位条件下的矿床模拟开采数据,分析得出盈亏平衡法确定边界品位的方法不能使矿山企业的总盈利最大,合理的边界品位应该低于盈亏平衡品位的结论。
3.
By the calculation of minimum industrial grade and cut-off grade, the rational industrial standards of Shuangwang gold deposit have been certained.
通过对最低工业品位和边界品位的计算,提出了在当前技术经济条件下双王金矿床合理的工业指标,提高了矿产资源利用效率及矿山开发利用的经济效益。
补充资料：边界品位
分子式：
CAS号：
性质：又称边际品位。是矿产工业指标的一项内容，指在矿产储量计算中圈定矿体时对单个矿样中有用组分含量的最低要求，以此作为划分矿与非矿(围岩或夹石)界线的标准。边界品位应高于选矿后的尾矿中有用组分的含量，并且随着科学技术的进步和市场的需求而变化。
CAS号：
性质：又称边际品位。是矿产工业指标的一项内容，指在矿产储量计算中圈定矿体时对单个矿样中有用组分含量的最低要求，以此作为划分矿与非矿(围岩或夹石)界线的标准。边界品位应高于选矿后的尾矿中有用组分的含量，并且随着科学技术的进步和市场的需求而变化。
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