Ricerca di immagini e archivi di Europeana
Europeana aggregates and provides access to over 50 million digitized items from more than 3,500 European cultural heritage institutions. The
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Biblioteche, database, archivi, annunci
Database di chimica ChemSpider
109+ million of chemical structures. Free chemical structure database providing fast text and structured search. Search by chemical name, brand,
Google Scholar
Gives access to online education and research articles. Several languages and automatic translation also. Note: not everything is 100% free,
Ricerca tesi EThOS UK
Search over the 500k UK theses from over 120 UK institutions: the Electronic Theses Online Service (EThOS), operated by the
Ricerca articoli di ricerca CORE
“The world’s largest collection of open access research papers” we could not describe better. 207+ million of them. Sortable by
Portale di ricerca scientifica mondiale
Aggregates 200 international research institutions and permits a centralized search on their research articles and databases. If you must start
Ricerca pubblicazioni ProQuest
Search millions of worldwide research publications. Integral or abstract view, up to the last 10 years, from 9000+ publishers. Free
Vocabolario elettrotecnico di Electropedia
Mantenuta dalla Commissione Elettrotecnica Internazionale (alias IEC), Electropedia fornisce tutti i termini e le definizioni utilizzati per il settore dell'elettricità e delle telecomunicazioni.
Regole relative al Global Trade Item Number (GTIN)
A comprehensive site to explain all rules, how and when, to define a new set of GTIN or EAN code,
Banche dati di valutazione del ciclo di vita
Biggest repository of free and paid LCA databases. No Life Cycle Assessment without these: the openLCA Nexus service is a