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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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The CERN Document Server (Centre Européen de Recherche Nucleaire, Geneva) is an institutional repository that provides access to bibliographic records and full text documents in the fields of particle physics and related areas. It covers preprints, articles, books, journals, photographs, and much more.
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CiteSeerx is a scientific literature digital library and search engine that focuses primarily on the literature in computer and information science. CiteSeerx aims to improve the dissemination of scientific literature and to provide improvements in functionality, usability, availability, cost, comprehensiveness, efficiency, and timeliness in the access of scientific and scholarly knowledge.
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CINDA contains bibliographic references to measurements, calculations, reviews, and evaluations of neutron cross-sections and other microscopic neutron data; it also includes index references to computer libraries of numerical neutron data available from four regional neutron data centers. The database is extended by photonuclear and charged particle reaction data.
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The DART-Europe E-theses Portal is a searchable database of electronic research theses held in European repositories. The theses listed are open access - publicly available, in full, without charge. The DART-Europe Portal does not store theses, but it provides a link to at least one electronic copy of every thesis listed in its database.
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EThOS is the UK’s national thesis service. There are approximately 480,000 records relating to theses awarded by over 120 institutions. Around 260,000 of these also provide access to the full text thesis, either via download from the EThOS database or via links to the institution’s own repository. Of the remaining 220,000 records dating back to at least 1800, three quarters are available to be ordered for scanning through the EThOS digitisation-on-demand facility.
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This database gives ground levels and ionization energies for the neutral atoms. The ionization energies in the table are based on a recent survey of the literature. A reference to one or another data compilation is given for a number of elements; the cited compilation gives the reference(s) for the original ionization-energy data.
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The INSPIRE HEP Literature Database has been run by the Stanford Linear Accelerator Center(SLAC) since the late 1960's as a database of particle physics literature. SLAC also collaborates with other physics institutions around the world on SPIRES.
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Journal Citation Reports is a comprehensive and unique resource tool that allows you to evaluate and compare journals using citation data drawn from over 7,000 scholarly and technical journals from more than 3,300 publishers in over 60 countries. It is the only source of citation data on journals, and includes virtually all specialties in the areas of science, technology, and social sciences. Journal Citation Reports can show you the: - Most frequently cited journals in a field - Highest impact journals in a field - Hottest journals in a field - Leading journals in a field - Most published articles in a field.
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The Lund/LBNL Nuclear Data Search provides on-line access to data from the Table of Isotopes handbook. Data may be accessed via radiation or nuclide searches. Radiation searches may be conducted on several levels, from the more general (energy and energy type -- alpha or gamma), to the more specific (parent information, such as half-life, mass number, or element). Search returns are listed alphabetically or by energy and intensity.
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NASA Technical Reports Server (NTRS) provides access to aerospace-related citations, full-text online documents, and images and videos. The types of information include: conference papers, journal articles, meeting papers, patents, research reports, images, movies, and technical videos – scientific and technical information (STI) created or funded by NASA.
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The National Nuclear Data Center (NNDC) collects, evaluates, and disseminates nuclear physics data for basic nuclear research and for applied nuclear technologies. The NNDC is a worldwide resource for nuclear data. The information available to the users of NNDC services is the product of the combined efforts of the NNDC and cooperating data centers and other interested groups, both in the United States and worldwide. The NNDC specializes in the following areas: Nuclear structure and low-energy nuclear reactions, Nuclear databases and information technology, Nuclear data compilation and evaluation.
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The NATO Research and Technology Organisation (RTO) promotes and conducts co-operative scientific research and exchange of technical information amongst 26 NATO nations and 38 NATO partners. The largest such collaborative body in the world, the RTO encompasses over 3000 scientists and engineers addressing the complete scope of defence technologies and operational domains.
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The Networked Digital Library of Theses and Dissertations indexes citations, abstracts, and full-text theses and dissertations from around the world. Many are available in full text through this database. Early 1900s-present.
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NIST supports accurate and compatible measurements by certifying and providing over 1300 Standard Reference Materials with well-characterized composition or properties, or both. These materials are used to perform instrument calibrations in units as part of overall quality assurance programs, to verify the accuracy of specific measurements and to support the development of new measurement methods.
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Nucleonica is a web portal developed for the worldwide nuclear science community. This resource replaces the traditional paper-based Karlsruhe Nuclide Chart. It offers online interactive nuclide charts, as well as reference data and searchable databases for internationally evaluated nuclear data. Nucleonica includes also application modules (decay, dosimetry and shielding, fission yields, range and stopping power, reactor irradiation, transport and packaging, etc.) with professional quality graphics. In addition, a variety of social networking tools are provided for scientific collaboration. To get access please register with your email address.
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The Austrian Dissertation Database is maintained by OBV-SG (Österreichische Bibliothekenverbund und Service GmbH) and includes all dissertations approved at Austrian universities from 1990 onwards. Older works are not fully recorded. Occasionally, diploma theses are also included. There are links from the database to the full texts.
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Access to over 30 freely accessible databases and online reference works in the field of physics, Physical Constants, Atomic Spectroscopy Data, Molecular Spectroscopic Data, Atomic and Molecular Data, X-Ray and Gamma-Ray Data, Radiation Dosimetry Data, Nuclear Physics Data, Condensed Matter Physics Data
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SciELO Citation Index is created in partnership with SciELO, the Scientific Electronic Library Online, and consists of Open Access journal content from Latin America, the Caribbean, Spain, Portugal, and South Africa. It covers over 1,100 journals. SciELO subject categories: agricultural sciences, applied social sciences, biological sciences, engineering, earth sciences, health sciences, human sciences, mathematics, physics and social sciences.
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