ore grade

常見(jiàn)例句

This paper introduces an improved BP algorithm for estimating ore grade.
本文介紹了一種改進(jìn)的BP算法，用它來(lái)進(jìn)行鑛石品位估值。
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.
我國(guó)天然金紅石資源儲(chǔ)量較大，但絕大部分爲(wèi)低品位的原生鑛石，所以加工成本高，産品缺乏市場(chǎng)競(jìng)爭(zhēng)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.
地質(zhì)控制條件限制是鑛牀建模的重要手段，地質(zhì)統(tǒng)計(jì)學(xué)方法是鑛塊品位估計(jì)以及儲(chǔ)量分級(jí)等的有傚方法。

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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