ore grade

常见例句

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。
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 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 other factors were better ore grade at Veladero and the fixed sharing mechanism at San Dimas.
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However, it is important that investors do take serious note of how steep the decline in ore grade has been.
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Finally, Alfred Little states that the ore grade has declined significantly.
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