https://itq.upv-csic.es/wp-content/uploads/2025/09/logos.unidos.1.color_.newdate-1-400x73.png00KCB-Studiohttps://itq.upv-csic.es/wp-content/uploads/2025/09/logos.unidos.1.color_.newdate-1-400x73.pngKCB-Studio2021-02-06 08:41:022021-02-06 08:41:02The nature of active Ni sites and the role of Al species in the oligomerization of ethylene on mesoporous Ni-Al-MCM-41 catalysts