stripping ratio

Determination principles and methods of economic stripping ratio under market economy

市场经济条件下经济合理剥采比的原则与方法

Application of equivalent production stripping ratio in open pit coal production

当量生产剥采比在露天矿生产中的应用

Application of Dynamic Programming Optimization for Stripping ratio of Open Pits

露天矿剥采比动态存储优化的应用

Review on Calculation Method for Economic Stripping Ratio

三种经济合理剥采比计算方法评述

Discussion on the relations , economic stripping ratio and open-pit configuration

关于黄金价格与经济合理剥采比及露天开采境界三者关系的探讨

Remarks on fixing economic stripping ratio in the comparing raw ore cost method

对原矿成本比较法确定经济合理剥采比的评价问题

The research of the open-pit ' economic stripping ratio and the last limit depth

露天矿经济合理剥采比和最优开采深度的研究

Optimization , regulation and control of open-pit stripping ratio

露天矿生产剥采比的优化与调控

The Control Method of Surface Mining of the Operational Stripping Ratio on Condition of Market-economy

市场经济条件下露天矿生产剥采比控制方法

Delimitation of Open Pit with " Pit Slope Stripping Ratio " Method

按边帮剥采比圈定露天开采境界的方法

Analysis of Fuzzy and Non-determination for Calculating Parameters for Economic and Reasonable Stripping Ratio

经济合理剥采比计算参数的模糊性与不确定性分析

So the economic stripping ratio formula reflects the value and expenditure of ore on a certain extent .

这样本文所得出的经济合理剥采比公式在一定程度上反映了矿石的价值与费用，露天开采与地下开采的绝对与相对的经济效果。

Determination of stripping ratio of opencast mine

露天煤矿生产剥采比的确定

The results showed that the stripping ratio of metal / coating interface increased while the breaked area ratio got bigger .

研究发现，随着破损面积比的增大，涂层/金属界面剥离率也随之增大。

Determination of the Economically Rational Stripping Ratio of the Extension and Expansion in the Late Period of Open pit Mines

露天矿末期延深扩帮经济合理剥采比的确定

There are many techniques to confirm the economic stripping ratio inside and ~ outside country at the present time , but there are no the last word .

目前国内外确定经济合理剥采比的方法很多，还没有形成统一定论。

So this new scheme of stope structure parameter can effectively enhance the resource recovery rate reduce dilution rate and stripping ratio and therefore has certain economic efficiency .

可见，采场结构参数新方案可有效地提高资源回收率、降低贫化率、减小采切比，从而产生了可观的经济效益。

Based on the original principle of the design and operational stripping ratio control method of surface mining , considering market-economy , a new control way and principle have been put forward .

在露天矿设计与生产剥采比控制的现有理论基础上，运用现代控制理论提出了一种适合市场经济要求的新的剥采比控制原则与方法。

The basic principles and applied conditions of three comparing methods calculating economic stripping ratio are expounded and a series of formulas corresPOnd with the ones are presented in the paper .

阐述了计算经济剥采比三种比效法的基本原理和适用条件.并提出了一套相应的计算公式。

As is shown by statistics , the rate of recovery is 59.84 % , dilution ratio is 18.44 % , the stripping ratio is 13.87m/kt .

据统计，该矿生产期间综合回收率为59.84%，贫化率为18.44%，采切比为13.87m/kt。

Compared to the application situation of other mines at home and abroad , this mine has a larger loss dilution and stripping ratio , so it serious affect the business economic benefits .

与国内外同类矿山浅孔留矿法的应用现状相比，该矿回采时损失和贫化大、采切比高，从而严重影响着矿山整体经济效益。

The author puts forward a formula for determining the stripping ratio in initial period of production in accordance with the principles of investment economic effectiveness , i. e. to recover all the investment within the rated return time limit .

作者根据投资经济效果的原则，即在本部门额定投资回收期限内能将全部投资回收完毕，提出了前期生产剥采比的计算公式。

The slope angle of open pit mining is an important factor that affect investment , cost and production safety . Slope angle has direct impact on open pit realm stripping ratio and affects the economic benefits of the entire production process ultimately .

露天矿的边坡角是影响矿山投资、成本及生产安全的重要因素，边坡角的确定直接影响露天境界剥采比的确定，最终影响到露天矿整个生产过程中的经济效益。

Many opencast mines begin to turn to underground mining one after another due to facing a common problem that the cost of stripping ratio and stripping rising lead to the increasing costs of opencast mining with the extension of mining .

许多露天开采矿山都面临一个共同的问题，即随着露天开采的延伸，剥采比及剥离费用不断增加，露天开采成本不断增加，开始相继转入地下开采。

In this paper , it is pointed that the current economic and reasonable stripping ratio is not reasonable , combining with the effect of current different mining technology on mining cost , non-determination and changing trend for economic and reasonable stripping ratio is analyzed .

指出现行经济合理剥采比的不合理性，并结合当前不同采矿技术的发展对采矿成本的影响，分析了经济合理剥采比的不确定性和变化趋势。