1) discount ore grade
贴现矿石品位
1.
Then the mining procedures,mining and filling methods shall be decided in the view of discount ore grade that the rich ore section shall be mined first.
在动态优化中 ,首先建立企业利润、成本等数学模型 ,优化矿石品位、生产能力、精矿销售价格等关键参数 ,以贴现矿石品位的观点 ,先开采富矿中段和地段 ,由此决定开采顺序、开采方法和采矿、充填方
2) Ore grade
矿石品位
1.
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。
2.
Variability and continuity of ore grade was analyzed based on the datas from channel samplings and drillings in north area.
根据东沟钼矿北矿区现有巷道刻槽取样化验结果,结合钻孔资料,具体分析了北矿区矿石品位局部的变化性、连续性等特征,同时,也计算分析了水平及垂直方向上品位变化特征,并由此得到了若干重要结论,研究结果为生产勘探设计提供了较可靠的理论和实践依据。
3.
Ore grade dynamic detection and quality control is a hot and difficult issue that academics have ever been working hard to resolve in the practice.
矿山生产是一个复杂的系统工程,矿石品位的动态检测技术及矿山生产质量控制一直是学术界和工程实践环节致力于解决的热点和难点问题。
3) low-grade ore
低品位矿石
1.
A research on dressing process optimization of low-grade ore in Zijinshan gold mine;
紫金山金矿低品位矿石选矿工艺优化研究
2.
The categories of the bacteria and its leaching mechanism are key factors for the bioleaching of low-grade ore.
微生物种类及其作用机理是浸出低品位矿石的关键所在。
3.
This paper deals with a pilot study for recovery of copper from refuse of dressing plant, from low-grade ore and from refractory oxidized ore using heap leaching,extraction,and electrodeposit techniques.
本文阐述了江西铜矿山在生产中产生的选矿废石、低品位矿石、地表难选氧化矿石,采用堆浸、萃取、电积工艺回收铜,在矿坑酸性废水中回收铜以及在选矿排出的尾矿中再次回收有用金属的试验研究与生产实践的效果及二次资源回收利用前景。
4) low grade ore
低品位矿石
1.
The geological characteristics of Chai Hu Lan Zi Gold Deposit of Chifeng City and the exploitation of low grade ore;
赤峰市柴胡栏子金矿床地质特征及低品位矿石的开发利用
5) high grade ore
高品位矿石
1.
The preparation of gold standard material of high grade ore;
高品位矿石金标准物质的研制
6) low grade ores
低品位矿石
1.
Based on the conception and controlling factors, delineation evaluation of low grade ores, the comprehensive utilization of low grade ores are systematically studied.
从低品位矿石的概念及其确定因素、资源的综合评价、矿体的合理圈定等方面,阐述了露采铜矿低品位矿石的综合利用问题,由此可使矿山获得可观的经济效益和社会效益,并为国家制定铜工业的产业政策和发展规划提供依
补充资料:贴现债券
贴现债券——
贴现债券是指在票面上不规定利率,发行时按某一折扣率,以低于票面金额的价格发行,到期时仍按面额偿还本金的债券。贴现债券又称贴水债券,指以低于面值发行,发行价与票面金额之差额相当于预先支付的利息,债券期满时按面值偿付的债券。
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