Muon imaging of hydrotreatment reactors. - Martínez-Rivero, R. A.; Sarmiento-Cano, C.; Castillo-Morales, D.; Perea-Pérez, J.; Baldovino-Medrano, V. G.; Sanabria-Gómez, J. D.; Núñez, L. A. (Journal of Applied Physics, 2025)