Browsing Maden Mühendisliği Bölümü by Subject "Needle penetration index"
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The Needle Penetration Test for Predicting Coal Strength
(Southern African Inst Mining Metallurgy, 2017)The coal strength parameter is used in operations such as the selection and design of mechanical excavators and coal crushing/grinding equipment. However, coring or cutting prismatic specimens from coal for the standard ...