Grain size and shape fractal characteristics of gangue in the process of 'jaw breaking-ball milling'.

PLoS One · 2023 · PMC9937481 · PMID 36800384

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an increasing trendno p-value reported

As the width of the discharge opening increases, the fractal dimension value of the gangue particle size shows an increasing trend, but the fractal dimension value is only in the range of 1.85~ 1.92.

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a decreasing trendno p-value reported

The fractal dimension value of the particle shape under the conditions of various ball material ratios in the figure shows a decreasing trend with time, indicating that the shape of the particles gradually develops to spherical and ellipsoidal with the increase of the ball milling time [ 38 – 40 ].

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.