在此基础上，结合矿山的品位分布和采矿方法，提出整体优化和部分优化的思路，并通过计算机软件系统实现。
Base on this, Offer the idea of total and part of the mine optimization consider of the grade distribution and mining methods, then implement it by computer software system.
从生产实践出发，阐述了降低采矿贫化率是提高矿石质量(品位)，提高矿山经济效益的有效途径之一。
From production practice of the mine, it is expounded that the decrease of dilution factor in mining is one of effective methods to improve the ore quality (grade) and economic benefits.
在此背景下对东沟钼矿矿石品位分布及采矿方法进行研究意义重大。
In this background, it is important to study the ore grade distribution and the mining method of donggou molybdenum mine are studied.
采用无底柱分段崩落采矿法，国内外一直采用截止品位放矿法来控制出矿。
Cut-off grade method has been used to control the ore drawing in non-pillar sublevel caving mining both in and outside China.
吉林镍业公司大岭矿矿岩结构复杂，为典型的低品位难采矿床。
The ore structure of Daling Mine is complex in Jilin Nickel Industry Corporation, it is typical low grade difficulty mining deposit.
近几年来，丰山铜矿加强管理，降低采矿贫化率，提高入选原矿品位，提高选矿回收率，实现了年增上千万元的经济效益。
In recent years, through strengthening management in decreasing ore dilution rate, increasing the head grade and increasing recovery rate in Fengshan Copper Mine, good economic benefit is obtained.
特异值问题可能存在于许多抽样调查之中，特异值在地质勘探及采矿工程中称为特高品位，它一般对应于高品位的矿化作用。
Outliers problems may be present in sampling surveys. Outliers, called extreme high grade data in geological prospecting and mining engineering, usually correspond to very high grade mineralization.
提高出矿品位的关键是降低采矿贫化率、损失率。
The key measure to enhance the output ore grade is to minimize the depletion and loss of the ores exploited.
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。
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.
有效地开采矿物资源需要对赋存的品位及矿量有一准确的估计。
In order to obtain an efficient extraction to mineral resources, a method with sufficient accuracy for estimating the grade and tonnage of ore reserve is required.
对于矿石价值中等、品位中等的缓倾斜中厚矿体，目前无理想的采矿方法。
There seems no ideal method to mine medium grade, gentle dip and medium thickness orebody.
对于矿石价值中等、品位中等的缓倾斜中厚矿体，目前无理想的采矿方法。
There seems no ideal method to mine medium grade, gentle dip and medium thickness orebody.
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