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BASE (Bielefeld Academic Search Engine) is one of the world's most voluminous search sengines especially for academic web resources, e.g. journal articles, preprints, digital collections, images / videos or research data. Other than search engines like Google or Bing BASE searches the deep web as well. The sources which are included are intellectually selected and reviewed. BASE is operated by Bielefeld University Library.
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ICDS is a comprehensive database on the complete structural information for inorganic compounds. It contains bibliographic information, compound name, molecular formular, as well as crystal symmetry group, unit cell parameters, atomic coordinates and temperature factors.
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Reaxys is an online research solution designed to retrieve precise and accurate property, reaction and synthesis data from a collection of peer-reviewed literature, patents and substance databases. In addition, Reaxys can be used as a bibliographic research solution for chemistry and related sciences. The answers on properties, reactions, etc. always include links to the full-text source material and searches for authors, journal titles, publication years, etc. are also possible.
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SciFinder n produced by Chemical Abstracts Services is one of the largest scientific databases covering a broad field of literature and patents. In addition to the chemical literature it covers physics, material science, biochemistry and genetics, as far as the documents are related to substances. A separate compound file provides access to substances, their names, structures, and registry numbers.
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Scopus is an abstract and citation database for research literature published since 1996, with discovery and analytics tools. The multidisciplinary content covers the fields of Natural Sciences, Engineering, Biomedical Research as well as Arts and Humanities and the Social Sciences. Scopus generates citation search results and automatically updated researcher and institution profiles. Thus, connections between people, published ideas, and organizations can be identified.
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Collection of extended ultraviolet, vacuum ultraviolet, ultraviolet, visible and near infrared spectral data and other photochemical information assembled from published peer-reviewed papers. The database contains photochemical data including absorption, fluorescence, photoelectron, and circular and linear dichroism spectra, as well as quantum yields and photolysis-related.
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Web of Science is a curated collection of over 20,000 peer-reviewed, high-quality scholarly journals published worldwide (including Open Access journals) in over 250 science, social sciences, and humanities disciplines. Conference proceedings and book data are also available. Web of Science offers cited reference searching which means that you can search for records that cite a particular document.
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