“Perfiles” (Electronic ISSN 2477-9105) is a scientific research journal published by the Faculty of Science of “Escuela Superior Politécnica de Chimborazo” (Riobamba, Ecuador). It is published following a biannual periodicity [(January - June) and (July- December)]. Its mission is to disseminate scientific-technological information related to predominant knowledge areas and related branches studied in the institution.

The main objective of the journal is the publication of original or review articles, short communications, technical reports, standards, specifications, letters to the editor, communications to congresses and, in short, other contents which are relevant to the scientific community.