نتایج جستجو برای: ore grade

تعداد نتایج: 177028  

2015
Santeri Palviainen Olli Vuolteenaho Mamdouh Omran Timo Fabritius

There is a rapidly increasing demand for iron resources with the fast-paced development of the iron and steel industry. For this reason, the iron and steel industry is facing the risk of a raw material shortage. Deposits of high-phosphorus iron ores are widely spread worldwide, but the use of these deposits in industry is limited owing to the high phosphorus content, which affects the cost of t...

Journal: :The Journal of the Japanese Association of Mineralogists, Petrologists and Economic Geologists 1950

Journal: :Rock Mechanics and Rock Engineering 2021

Abstract Blasting performance is influenced by mechanical and structural properties of the rock, on one side, blast design parameters other. This paper describes a new methodology to assess rock mass quality from drill-monitoring data guide blasting in open pit operations. Principal component analysis has been used combine measurement while drilling (MWD) information two drill rigs; corrections...

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