Abstract: Using COMSOL Multiphysics simulation software, the optimal distance between the middle guide ring of the magnet and the free surface under an applied CUSP magnetic field was analyzed.
Ronnie O'Sullivan is through to the semi-finals of the World Snooker Championship for a 14th time, holding his nerve to defeat China's Si Jiahui 13-9 in Sheffield. O'Sullivan will face another Chinese ...
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