[EN] Copper and cerium oxide bi-component materials with different Cu/Ce ratio were prepared using ordered SBA-15 silica as a support and compared with their bulk analogs. The samples were characterized by nitrogen ...
[EN] The purpose of the proposed article is to present the creation of ontologies for automatic generation of test questions from the Test Generation Environment, which was created as part of the Virtual Education Space. ...
[EN] The formation of active sites in the silica supported copper and cerium oxide hi-component catalysts for total oxidation of ethyl acetate was studied by Nitrogen physisorption, XRD, XPS, UV-Vis, Raman, FTIR of adsorbed ...
Cholakov, Georgi; Stoyanova-Doycheva, Asya(Editorial Universitat Politècnica de València, 2022-05-31)
[EN] Predicting trends is crucial for any business. No exception for education as well. Usually, this is a complex task that needs good planning and hard working to get to results. But sometimes luckily, a result from a ...