1) ore removal grade
出窿品位
1.
Rational ore matching ensuring ore removal grade stability;
合理配矿是确保出窿品位稳定的有效途径
2) countercurrent leaching
逆窿出
3) output grade
输出品位
1.
The existing conditions were fully utilized to carry out the production geological work and guide the rational stoping in mining of Tiegukeng iron mine, the output grade of mining ores was improved and the requirement of the concentrator for grade of inputed ores was satisfied.
介绍了铁古坑铁矿充分利用现有条件开展生产地质工作,指导采矿进行合理回采,提高了采矿矿石输出品位,满足了选厂对入选矿石品位的要求。
4) out_ore grade
出矿品位
1.
Based on the analysis, measures of enhancing the out_ore grade were put forward, which are significant for maximizing the availability of resources, extending the service period of the Mine, and increasing the enterprise's economic benefits.
通过对影响河台金矿出矿品位偏低的因素分析 ,得出二次贫化、品位负变等是主要的原因 ,同时提出了提高出矿品位的具体措施 。
5) leaching grade of rare-earth minerals
稀土浸出品位
6) Ore removal cut off grade
出矿截止品位
补充资料：老窿洞
老窿洞位于银山铅锌矿矿区，历史悠久，源远流长。德兴银场，唐朝至宋朝，共断断续续开采达170多年，银山、九区和北山三矿区均发现古人开采的老窿洞，共约300处，并在老窿洞中多次发现古人开采时使用过的工具，以银山区为最，老窿洞开采深度达侵蚀基准面100米以下，达到相当的规模。
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