Rio Tinto, the Pilbara's biggest operator, has 11 mines including Tom Price, the oldest and still one of the richest in ore quality.
力拓作为皮尔·巴拉的最大开采者，拥有包括TomPrice在内的11个矿区。Tom Price的矿是最老的也是品质最优的富铁矿之一。
The ore quality control on the mining site is key to the ore quality control for the whole mine.
采场矿石质量管理是整个矿山矿石质量管理的核心。
Geologic grade is an important basis for appraising ore quality.
地质品位是评价矿石质量的重要依据。
The furnaces were closed after only about a year when deteriorating ore quality forced the silver mines to shut down.
由于矿石质量下降，银矿被迫关闭，因此这些熔炉投入使用仅一年左右时间。
The resource conditions of the deep orebody in East Section of Yangshan Mine area and the ore quality characteristics are described.
介绍了阳山矿区东矿段深部矿体的资源情况，矿石质量特征。
The study in Jianshan Iron Ore Mine of how to keep stable quality of raw ore and the technical measures for ensuring ore quality are explained.
介绍了尖山铁矿稳定输出原矿质量的技术研究过程，并阐述了稳定输出原矿质量的技术措施。
The invention has the characteristics of good sorting effect, high concentrated ore quality, simple structure, convenient maintenance, long service life, etc.
本结构还具有分选效果好，精矿品位高，结构简单，维修方便，使用寿命长等特点。
The stable quicklime burden is essential to improve the sinter ore quality based on the analysis of quality before and after belt change at No. 2 sintering workshop.
本文对二烧车间生石灰系统的搅笼改皮带前后的烧结矿质量进行了分析，着重说明了稳定生石灰配比是提高烧结矿质量的重要条件。
Copper is the most supply constrained of the main metals, as ore quality declines, South American mines suffer industrial relations strife and new mines fail to meet forecast demand.
在各主要金属中，铜的供应最为紧缺。矿石质量下降、南美矿场因劳资关系引发的罢工，以及新矿场难以满足预期需求等因素，都在制约着铜的供应。
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.
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.
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。
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