Google Académico
Gives access to online education and research articles. Several languages and automatic translation also. Note: not everything is 100% free,
Recursos
Bibliotecas, bases de datos, repositorios, clasificados
Búsqueda de tesis de EThOS UK
Search over the 500k UK theses from over 120 UK institutions: the Electronic Theses Online Service (EThOS), operated by the
Búsqueda de artículos de investigación de CORE
“The world’s largest collection of open access research papers” we could not describe better. 207+ million of them. Sortable by
Portal de investigación de WorldWideScience
Aggregates 200 international research institutions and permits a centralized search on their research articles and databases. If you must start
Búsqueda de publicaciones de ProQuest
Search millions of worldwide research publications. Integral or abstract view, up to the last 10 years, from 9000+ publishers. Free
Vocabulario electrotécnico de Electropedia
Mantenida por la Comisión Electrotécnica Internacional (CEI), Electropedia proporciona todos los términos y definiciones utilizados en los sectores de la electricidad y la electrónica.
Reglas del Número Global de Artículo Comercial (GTIN)
A comprehensive site to explain all rules, how and when, to define a new set of GTIN or EAN code,
Bases de datos de evaluación del ciclo de vida
Biggest repository of free and paid LCA databases. No Life Cycle Assessment without these: the openLCA Nexus service is a
Revistas de publicaciones científicas del MDPI
One of the largest scientific publication stream, with more than 450 journals, topic dedicated (applied science, sustainability, sensors, healthcare, micromachines,
Impresionantes conjuntos de datos públicos
To our knowledge, the largest directory of publicly available datasets: the “Awesome Public Datasets” repository is a community-driven directory that