Mine piles' quality forecasting and ore grade checking.
提出了爆堆质量预测与品位检测改进方法。
This paper introduces an improved BP algorithm for estimating ore grade.
本文介绍了一种改进的BP算法，用它来进行矿石品位估值。
Manjiazhai zinc ore body; Kriging Method; ore grade model; calculation of reserves;
曼家寨锌矿体；克里格法；品位模型；储量计算；
The key measure to enhance the output ore grade is to minimize the depletion and loss of the ores exploited.
提高出矿品位的关键是降低采矿贫化率、损失率。
The Mengxing Pb Zn deposit with low ore grade and deep buried is facing the situation of resources exhausted.
勐兴铅锌矿矿石品位低、埋深大，且面临资源匮竭。
The resource support capacity of mines depends on many factors such as production capacity, ore grade and available reserve.
矿山资源保障能力的大小受生产能力、矿石品位以及保有储量等多种因素的影响。
The method of estimating ore grade by gray modelling is proposed, the step is given, and the method is verified by a example.
本文提出了用建立灰色模型去估计矿石品位的方法，给出了实施步骤，并以实例进行了验证。
In addition, can increase the secondary selected the granules in hydraulic fallen below 5 per cent, iron ore grade 2-3 degrees;
此外增加了二次精选，可将矿浆的含泥量降到5%以下，铁矿品位提高2-3度；
A technique principle and method was proposed to measure iron ore grade in a moving mine car with distance measuring instrument.
提出了利用测距仪测定运动矿车中铁矿石品位的技术原理和方法。
The influences of blast temperature, slag basicity, iron ore grade etc on energy distribution and smelting index of BF are discussed.
利用BEM 系统分析了风温、碱度、矿石铁含量等参数对高炉能量分配及冶炼指标的影响，旨在为生产操作提供理论依据和指导。
It is concluded that location of foot-wall drawing points are closely related to orebody dip, cut-off grade and ore grade of wall rock.
认为下盘放矿点位置与矿体倾角、放矿截止品位、围岩含矿品位有着密切的关系。
Ore bodies consists of Au-bearing quartz veins and the alteration rocks between them and ore grade depends on number of the quartz vein.
矿床(体)由含金石英脉与其间蚀变岩组成，品位高低决定于含金石英脉的数量。
This article systematically expounds effects of charged manganese ore grade upon Si-Mn alloy output, manganese recovery, costs and profits.
系统阐述了入炉锰矿品位对硅锰合金产量、锰回收率、成本、利润的影响。
Rutile resource is rich in our country, but rutile ore grade is low and the product is poor competitive because of its high production cost.
我国天然金红石资源储量较大，但绝大部分为低品位的原生矿石，所以加工成本高，产品缺乏市场竞争力。
The rules and formula of ore grade estimation under any complicated conditions can be accurately found out by the proposed method, and the results are pr…
所提出的方法可自动确定任何多因素复杂条件下的矿石品位估计公式及其使用规则，且准确率很高。
This paper presents a practical final-pit optimization algorithm for open-pit metal mines based on a breakeven strip ratio and a block model of ore grade.
给出一个基于经济合理剥采比和品位块状模型的露天金属矿境界优化实用算法。
A technical scheme of grinding-waving bed to be sifted out is adopted and the fined ore grade can reach 40.41%. The rate of recovery is 70.92% in choosing target.
对于富矿的选别，采用粗磨跳汰—摇床的技术方案，得到的锰精矿品位为40.41%，回收率为70.92%的选别指标。
The ore body is continuous and stable, and the ore grade is high. The deposit is easy to exploit and utilize. More deep exploration work should be done in this region.
钠硝石矿体连续性好，层位稳定，矿石品位较高，采选技术简单，易于开发利用，应开展深入的地质勘查工作。
The limitation of geological conditions is important to model a deposit. The geological statistics methods are effective for ore grade estimation and reserve classification.
地质控制条件限制是矿床建模的重要手段， 地质统计学方法是矿块品位估计以及储量分级等的有效方法。
The ultrafine grained titanium iron ore grade is low, particle size distribution and The Ilmenite ore and gangue titanium and titanium ordinary pyroxene magnetic proportion.
该细粒级钛铁矿品位低、粒度分布不均匀，并且钛铁矿和脉石中的普通辉石磁性和比重相差不大。
The ore-body block model is not only widely used in ore grade and reserve calculation, but used in the optimization of the final mining boundary and mining plan in the open pit.
矿体块状模型广泛应用于品位、储量计算，也可用于露天矿最终开采境界优化和开采计划优化。
Extractive industries are booming. Miners find it worthwhile to dig for copper in Butte, Montana, even though the operators say it is the worst-grade ore in the world.
开采业日趋繁荣，尽管矿主认为这里矿石的品质堪称世界最差，但是矿工们还是发现在蒙大拿的Butte开采铜矿还是值得的。
Sims says measurements of the grade, mineral matrix, and size of the ore deposit appear favorable to commercial extraction.
希姆斯说对矿品位、矿母及矿床大小的测量对商业提取显得十分有益。
He also knows that big mining companies prefer mountains of low-grade ore to small, high-grade mines like his.
而且他也知道那些个大型矿产公司更喜欢那些低地势的矿山，而不是他那又小又高的。
Another underlying cause has been the drop in global spot prices and freight rates, which has driven many domestic miners of lower grade ore out of business.
另一个根本原因是全球铁矿石现价和海运费的降低，导致很多国内出产低品质铁矿石的矿厂歇业。
Se is a kind of scarce and scatter element, and it is very low-grade ore in mineral.
硒是一种稀少而又分散的元素，矿石中其品位一般都很低。
Se is a kind of scarce and scatter element, and it is very low-grade ore in mineral.
硒是一种稀少而又分散的元素，矿石中其品位一般都很低。
应用推荐