Science & Technology
Aardvark
The Aardvark Home Page - Asia's Web resource for librarians - offers links to databases made in Asia or about Asia, along with links to links to free preprint and full text science archives.
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ACM Guide to Computing Literature
Contains bibliographic citations from major publishers in computing covering books, journals, proceedings and theses.
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ACS Journal Search
Retrieve citations and abstracts for articles in journals published by the American Chemical Society.
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Addressing Climate Change Policies and Measures Database
Offers access to information on energy-related policies and measures taken or planned in International Energy Agency (IEA) Member countries to reduce greenhouse gas emissions.
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ADS: NASA Astrophysics Data System
The Astrophysics Data System (ADS) is a NASA-funded project which maintains four bibliographic databases containing almost 4 million records: Astronomy and Astrophysics, Instrumentation, Physics and Geophysics, and preprints in Astronomy.
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AgEcon Search: Research in Agricultural and Applied Economics
AgEcon indexes full text scholarly research in the field of agricultural economics including sub disciplines such as agribusiness, food supply, natural resource economics, environmental economics, policy issues, agricultural trade, and economic development.
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AgNIC: Agriculture Network Information Center
Searchable database of agricultural information, including basic, applied, and developmental research, extension, and teaching activities in the food, agricultural, renewable natural resources, forestry, and physical and social sciences.
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AGRICOLA
Describes journal articles, book chapters, monographs, conference proceedings, serials, technical reports, and other materials encompassing all aspects of agriculture, forestry, and animal science acquired by the National Agricultural Library and cooperating institutions.
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Agricultural Baseline Database
The database covers 10-year projections from USDA's annual baseline report for major field crops (corn, sorghum, barley, oats, wheat, rice, soybeans, and upland cotton) and livestock (beef, pork, poultry and eggs, and dairy).
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Agricultural Communications Documentation Center Database
ACDC contains more than 27,000 documents on communications related broadly to agriculture, food, natural resources and rural affairs.
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AGRIS
AGRIS provides worldwide bibliographic coverage of agricultural science and technology literature.
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Alaska & Polar Periodical Index
The index cites articles in English about Alaska, northern Canada, northern Scandinavia, the Russian Far East, and Antarctica.
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American Museum of Natural History Scientific Publications
Search the full text of the museum's scientific publications covering the areas of zoological systematics, paleontology, geology, evolution, and anthropology.
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American Society for Engineering Education Conferences [ASEE]
The ASEE Annual Conference Proceedings Center offers a searchable database of PDF files, including the papers from past ASEE Annual Conferences since 1996.
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Animal Info - Information on Endangered Mammals
Contains information on the biology and ecology of various species as well as current status of rare and endangered mammals.
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Annual Reviews Electronic Back Volume Collection
Annual Reviews contains citations to analytic reviews in 32 focused disciplines within the Biomedical, Physical, and Social Sciences.
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Applied Science and Business Periodicals Retrospective 
Index for more than 2,000 periodicals covering events, issues and trends in the history of the applied sciences, business and industry, and technology.
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Applied Science and Technology Full Text
Wilson Applied Science & Technology Index provides abstracts and indexing for over 750 of the leading periodicals in science and technology.
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Arctic Science and Technology Information System
The ASTIS database contains over 60,000 records describing publications and research projects about northern Canada.
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arXiv.org e-Print archive
An e-print service which presents papers in physics and related disciplines, mathematics , nonlinear science, computer science, and quantitative biology.
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ASCE Civil Engineering Database
Abstracts and indexes journals, conference proceedings, books, standards, manuals, magazines and newsletters published by the American Society of Civil Engineers (ASCE).
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ASTM International Directory of Testing Laboratories
This American Society for Testing and Materials Directory provides on-line full text searching for services and locations of testing laboratories.
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Astronomical Research Institute Bibliographical Database for Astronomical References
The ARIBIB is an on-line database of citations for the astronomical bibliography Astronomy and Astrophysics Abstracts and Astronomischer Jahresbericht.
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AULIMP
The Air University Library's Index to Military Periodicals provides citations and abstracts to articles, news items, and editorials from military and aeronautical periodicals covering all branches of the military.
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Bad Bug Book
This handbook provides basic facts regarding foodborne pathogenic microorganisms (bacteria, viruses and parasites) and natural toxins.
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Bibliographic Index Plus
Cumulative bibliography for information in all areas of the humanities and social sciences as well as science and technology.
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Bibliography on Computational Gene Recognition
Provides searching to a collection of publications on computational gene recognition, mainly based on statistical differences of coding and non-coding sequences.
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Biographical Memoirs of the National Academy of Sciences
Biographical Memoirs are brief biographies of deceased National Academy of Sciences members, written by those who knew them or their work.
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Biological and Agricultural Index Plus
Cites articles from a wide range of over 365 popular and professional (peer-reviewed) journals about biology and agriculture published in the United States and internationally.
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BioMed Central
Digital full text archive of over 100 life sciences journals managed by the National Center for Biotechnology Information at the United States National Library of Medicine.
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BioOne
Full-text journals focused on the biological, ecological, and environmental sciences.
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Canada Depository Service Program
The online DSP provides full text access to Canadian federal government publications.
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Canada Institute for Scientific and Technical Information
CISTI includes published information from around the world in all areas of physical and life sciences, engineering, technology and health sciences.
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CERN Document Server
Searchable database of over 800,000 bibliographic records, including 360,000 fulltext documents, in particle physics and related areas.
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ChemFinder
Database includes Chemical Structures; 2D structures & 3D models;
Physical Properties (MP, BP, CAS RN, & more); and links to other websites with information about compounds.
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Chemical Achievers
Contains biographical, scientific, and pictorial material about famous chemists.
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Chicago Manual of Style Online
CMOS provides the rules for editing and publishing - punctuation, italicizing, bolding, capitalization, tables - for American English grammar, usage, and document preparation.
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CiteseerX
Scientific Literature Digital Library citation index with the full text of thousands of research articles by more than a half million authors.
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Cold Regions Bibliographies
Search the "Antarctic Bibliography" and the "Bibliography on Cold Regions Science and Technology" databases for materials on the science and technology of the world's cold regions.
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Complete works of Charles Darwin online
Contains Darwin's complete publications, thousands of handwritten manuscripts, a detailed bibliography and manuscript catalogue.
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Computer Science Bibliographies
The Collection of Computer Science Bibliographies contains more than 1 million references (mostly to journal articles, conference papers and technical reports), clustered in about 1400 bibliographies.
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Conference Papers Index
Citations to papers and poster sessions from major scientific meetings around the world.
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Conversions
Provides for the comparing and calculating of the following units of measurement: area; distance; energy; fuel consumption; power; speed; temperature; volume; and weight.
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Corps Of Engineers Library Information Online
CELIO is the database / electronic catalog representing the collections of all the libraries within the Army Corps of Engineers located throughout the United States.
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COS Funding Opportunities
Community of Science Funding Opportunities database lists available opportunities for grants, fellowships, prizes and other type of funding.
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CountrySTAT
Country FAOSTAT provides statistical data on food and agriculture for countries.
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Credo Reference : Science & Technology
Includes the full text of over 2 dozen reference sources, including encyclopedias and dictionaries covering a variety of scientific disciplines.
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CSA Technology Research Database
A comprehensive indexing and abstracting database covering all fields of engineering and technology.
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Current Research Information System
CRIS is the Department of Agriculture's (USDA) documentation and reporting system for ongoing agricultural, food and nutrition, and forestry research.
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CyberRegs
CyberRegs provides the full text of the US Code, Federal Register, Code of Federal Regulations, State Registers, State Statues and forms, and State Environmental, Safety, Health and Transportation Regulations.
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Databases on Medicine and Molecular Biology
Links to publicly available resources in: Chemistry; Ethics; Genomics; Health Care; Laboratory Medicine; Microbiology; Oncology; Patents; Pharmacology; Proteomics; Toxicology; and Veterinary Medicine.
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Department of Transportation Digital Special Collections
The DOT library has digitized numerous collections relating to airlines, trains, and other modes of transportation.
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Digital Dissertations
Index of doctoral dissertations and master's theses, with coverage from 1861 to the present.
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Directory of Japanese Scientific Periodicals
The Directory of Japanese Scientific Periodicals Database covers serials on science and technology edited and published by organizations operating in Japan.
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Directory of Published Proceedings
Citations to papers and poster sessions from major scientific meetings around the world.
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DiVA Academic Archive
DiVA, the Digital Scientific Archive (Digitala Vetenskapliga Arkivet in Swedish), contains over 6,600 documents, including full-text doctoral theses, dissertations, monographs, and undergraduate theses from a number of Nordic universities.
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E-Journals in Physical Sciences and Mathematics
Browse an alphabetical subject list of electronic journals in Astronomy and Astrophysics, Chemistry, Mathematics, and Physics.
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E-print Network
Gateway to over 14,000 Web sites and databases worldwide, containing e-prints in basic and applied sciences.
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Echo
Catalogues, annotates, and reviews sites on the history of science, technology, and industry.
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ECO: Electronic Collections Online
Indexing and abstracts for articles from over 5,400 scholarly journals covering agriculture, library science, anthropology, business, economics, education, fine arts, geography, history, language, law, literature, medicine, philosophy, political science, psychology, religion, science, social sciences, and technology.
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EI Compendex
Engineering and technical literature, with hundreds of thousands of English-language abstracts from over 4,500 journals, 2,000 conference proceedings, technical reports, and professional society publications.
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Electronic Engineer's Master
EEM offers links to thousands of manufacturers of electronic components, equipment and services.
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Electronic Research Archive for Mathematics
The ERAM Jahrbuch Database provides a digital archive of the most important mathematical publications of the period 1868-1942.
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Emerald
Multidisciplinary ejournal gateway providing full text access to over 180 management, applied science and technology, engineering, health sciences, and library and information science journals published by MCB University Press.
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eMolecules
Formerly Chmoogle, eMolecules is an open-access chemistry search engine designed to discover, curate, and index public chemical information.
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Encyclopedia of Agricultural, Food, & Biological Engineering
A comprehensive guide covering the development and design of procedures, equipment, and systems utilized in the production and conversion of raw materials into food and nonfood consumer goods.
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Encyclopedia of Plant and Crop Science
Covers classic and modern studies in plant biology in conjunction with research, applications, and innovations in crop science.
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Energy Citations Database
Energy Citations contains bibliographic records for energy and energy-related scientific and technical information from the Department of Energy (DOE) and its predecessor agencies, the Energy Research & Development Administration (ERDA) and the Atomic Energy Commission (AEC).
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Environment Complete
Environment Complete covers the scientific, technical & popular literature on energy resources, global warming, wastes, recycling, pollution, health hazards, conservation, wildlife management, and social / ethical issues & policy from more than 1,500 domestic and international sources.
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Environmental Impact Statements Full-Text (2003- ) & Digests (1985- )
EIS Digests extract the key issues from government-released environmental impact statements, provides a brief description and abstract of the project, includes sections on positive impact and negative consequences, and details legal mandates.
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Environmental Sciences and Pollution Management
Worldwide literature covering the environmental sciences including air, land, water and noise pollution, bacteriology, ecology, toxicology, risk assessment, environmental biotechnology and engineering, waste management, water resources, policies and regulations, and US federal environmental impact statements.
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EPA Science Inventory
The Science Inventory is a searchable, Agency-wide database of more than 4,000 scientific and technical work products.
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Eric Weisstein's World of Science
Contains searchable full text encyclopedias of astronomy, chemistry, mathematics, scientific biography, and physics.
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ETDEWEB
ETDE World Energy Base contains more than 4 million references to international articles, reports and conference papers within all energy related subjects.
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Ethnomathematics Digital Library
Database of links to over 700 full-text articles, scanned books, and other documents exploring the interaction of mathematics and the culture in which it arises.
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EULER - Portal to Mathematics Publications
Search engine for locating and retrieving materials relating to mathematics available on the internet.
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FAOSTAT
Provides access to over 3 million time-series and cross sectional data relating to food and agriculture.
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Federal R&D Project Summaries
Federal R&D Project Summaries provides a portal to information about Federal research projects, complete with full-text single-query searching across databases residing at different agencies.
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FishBase : A Global Information System on Fishes
Database containing information on thousands of species, over 70,000 synonyms, over 25,000 pictures, and over 20,000 references.
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Flora of North America
FNA presents information on the names, taxonomic relationships, continent-wide distributions, and morphological characteristics of all plants native and naturalized found in North America north of Mexico.
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FoodMaster
Database listing equipment, ingredients, supplies, and services for the food and beverage industry, along with detailed catalog product data.
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Foundation Directory
Foundation Directory Professional provides program details for leading grantmaking organizations.
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Free On-line Dictionary of Computing
FOLDOC is a searchable dictionary of over 13,000 definitions containing acronyms, jargon, programming languages, tools, architecture, operating systems, networking, theory, conventions, standards, mathematics, telecoms, electronics, institutions, companies, projects, products, and history related to computing.
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Garden, Landscape & Horticulture Index
GLHI contains articles about plants, horticulture, gardens and landscape design and history.
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General Science Full Text
Wilson General Science Abstracts indexes over 160 leading science journals and magazines from the United States and Great Britain.
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GEOBASE
Covers worldwide literature on cartography, climatology, demography, ecology, economic geography &
geology, environment, geomorphology, geophysics, historical geography, hydrology, minerology, natural resources, palaeontology, planning, remote sensing, sedimentology, stratigraphy, tectonics, transportation, and rural, social, & urban geography.
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Geologic Guidebooks of North America Database
The catalog consists of references to geologic field trip guidebooks of North America.
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Geologic Names Lexicon
GEOLEX is a search tool for lithologic and geochronologic unit names containing over 16,000 entries; 75% of which come from the USGS Geologic Names Committee (GNC) card catalog.
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GeoRef
The GeoRef database covers the geology of North America from 1785 to the present and the geology of the rest of the world from 1933 to the present.
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Glossary of Comet and Astronomical Terms
Alphabetical list of terms with explanations for commonly encountered concepts in astronomy.
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GrantSelect
Offers more than 10,000 funding opportunities and an extensive list of sponsored research opportunities.
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GSA Publications Online
Search the following Geological Society of America publications: GSA Bulletin, 1972- ; Geology, 1973- ; GSA Today, 1991 -.
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HAL
HAL (Hyper Articles en Ligne) provides access to full text documents in all academic fields submitted by French universities and institutions.
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Herplit Database
The Herplit Database consists of approximately 50,000 citations dating from 1586 to the present on reptiles and amphibians.
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HighWire: Free Online Full-text Articles
Stanford University Library's HighWire Press is an online publisher for scholarly journals focusing primarily on science, technology, and medicine.
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Hindawi Journals Online
A collection of peer-reviewed, open access journals covering several areas in science, technology, and medicine.
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History of Science, Technology, and Medicine
The International bibliography of history of science, technology, and medicine describes journal articles, conference proceedings, books, book reviews, and dissertations in the history of science, technology, and medicine and allied historical fields.
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History Reference Online
ABC-CLIO History Reference contains the full text of over 600 books focusing on United States and world history, current issues, politics, and geography.
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Homeland Security Digital Library
Provides quick access to important United States policy documents, presidential directives, and national strategy documents as well as specialized resources such as theses and reports from various universities, organizations and local and state agencies.
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Humanities and Social Sciences Retrospective
Indexes all aspects of the humanities and social sciences from over 1,200 North American and European periodicals.
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Humanities E-Book
ACLS Humanities E-Book Project contains hundreds of full text works of major importance in history, area studies, and the humanities.
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IC Master
IC Master is a source of integrated circuits and miniature electronic equipment product information.
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ICIS Global Chemical Suppliers Directory
Provides a database of purchasing information for chemicals and chemical services.
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IEEE ConferenceSearch
Institute of Electrical and Electronics Engineers' Conference database includes all meetings run by, or in association with, the IEEE.
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Index Herbariorum
Index Herbariorum is a detailed directory of 3000+ public herbaria of the world and the 8800+ staff and plant specialists associated with them.
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Index to Theses
Contains a comprehensive listing of theses with abstracts accepted for higher degrees by universities in Great Britain and Ireland since 1716.
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Informaworld
Multidisciplinary database hosting journals, eBooks, abstract databases and reference works published by Taylor & Francis, Routledge, Psychology Press and Informa Healthcare.
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INSPEC
Includes abstracts and index terms for over 6 million articles published worldwide in all fields of physics, electrical engineering and electronics, computing and information technology.
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International Field Guides
Index to field guides used for visual identification of both plants and animals.
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International Plant Names Index
The International Plant Names Index (IPNI) is a database of the names and associated basic bibliographical details of all seed plants.
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Internet Resources in Science and Technology
Links to public internet sites in the areas of: General Resources
in Science & Technolgy; Biography; Botany; Gardening; Chemistry;
Climate and Weather; Engineering; Environment; Geology; Health and
Medical Information; Inventions; Oceanography; Physics; Resources
for Teachers; Science Fair Projects; and Zoology.
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Intute
Search for open access resources with original content in a wide range of subject areas.
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Intute: Science, Engineering and Technology
Search engine covering the physical sciences, engineering, computing, geography, mathematics and environmental science.
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IP.com Prior Art Database
Online index to pre-existing documentation (prior art) that describes an invention.
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IUPAC Compendium of Chemical Terminology
Collection of terms with authoritative definitions, spanning the whole range of chemistry compiled by the International Union of Pure and Applied Chemistry.
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Jane's.Com (Select Client Area)
Provides full text access to Jane's research in defense, terrorism, market intelligence, national security and transportation.
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Japan Science and Technology Information Aggregator
J-STAGE contains the full text of scientific and technical journals and bulletins of academic societies published in Japan.
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Journal de Mathématiques Pures et Appliquées
Full text version of the Journal, sometimes known as Journal de Liouville, which was a premier mathematics journal in France and the world throughout the 19th century.
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JSTOR Arts & Sciences I, II III, IV, Life Sciences, Biological Sciences, Complement and Health & General Science
JSTOR is a collection of full-text, keyword-searchable academic journals dating back to the late 17th century.
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Knovel Library
Contains the full text of over 700 leading science and engineering reference handbooks, technical data and reports, textbooks, and conference proceedings.
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Lalisio Literature
Provides access to more than 6 million bibliographic records for books, journal articles, and open access resources.
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Landolt - Börnstein Index
Browse thru tables of content and abstracts of more than 280 volumes of chemistry, physics and technology tables.
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LexisNexis Environmental
Covers the world's environmental related literature, including sources indexed in Environment abstracts.
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MAD CAD
Contains cross-referenced collections of building, electrical, mechanical, plumbing, fire, and maintenance codes from BOCA, SBCCI, ICBO, ICC, and NFPA.
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Material Safety Data Sheets
The MSDS (Material Safety Data Sheets) is designed to provide workers with safety information on chemicals that they are exposed to in the workplace.
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Mathematics Didactics Database
A comprehensive bibliographic database covering literature in mathematical education and related fields, MATHDI's database of over 70,000 references covers approximately 500 volumes and other serials published worldwide.
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Mineral Industry Surveys
Mineral Industry Surveys (MIS) conducted by the USGS are periodic on-line statistical and economic publications designed to provide timely statistical data on production, distribution, stocks, and consumption of significant mineral commodities.
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Mineralogy Database
Contains over 4,000 individual mineral species descriptions with links and a comprehensive image library.
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Molecular Biology Database Collection
The Nucleic Acids Research Molecular Biology Database Collection contains links to over 700 freely available databases.
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MyiLibrary eBooks
A collection of over 400 ebooks covering science and the social sciences.
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NACA Technical Reports Server
Contains citations and full text of technical reports issued by the predecessor organization to NASA.
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NAL Agricultural Thesaurus
NALT is an online vocabulary look-up tool for agricultural and biological terms.
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NASA Technical Reports Server
NTRS contains NASA aerospace information, including research reports, journal articles, conference and meeting papers, technical videos, mission-related operational documents, and preliminary data.
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National Academies Press
Search for the full text to more than 3,000 NAP texts from the Joseph Henry Press, covering a wide variety of subjects (arts, humanities, and social and applied sciences) are available free online.
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National Institute of Informatics
NII contains resources to locate scientific information resources in and outside Japan.
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National Library of Medicine Catalog
The National Library of Medicine (NLM), one of the National Institutes of Health, is the world's largest research library for the health sciences.
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National Science Digital Library
NSDL was established by the National Science Foundation (NSF) to direct users to resources for science, technology, engineering, and mathematics education and research.
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National Standards Systems Network
The NSSN contains over 250,000 references to standards from more than 600 developers worldwide.
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National Technical Information Service
NTIS contains nearly 3 million scientific and technical reports on US government-sponsored research and worldwide scientific, technical, engineering, and business-related information.
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Natural Disaster Reference Database
The Natural Disaster Reference Database (NDRD) is a bibliographic database on research, programs, and results which relate to the use of satellite remote sensing for disaster mitgation.
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NCDC Climatic Data
The National Climatic Data Center (NCDC) includes meteorological / climatological information, environmental satellite data, and NEXRAD weather radar data.
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NCSTRL: Networked Computer Science Technical Reference Library
NCSTRL is an international collection of computer science technical reports from computer science departments and industrial and government laboratories.
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Nineteenth Century Masterfile
19th Century Masterfile contains more than 60 core subject indexes to periodicals, books, newspapers, patents, and US and UK government documents covering the early 1700's to 1906.
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NIST Scientific and Technical Databases
National Institute of Standards and Technology (NIST) Gateway provides access to over 80 of the NIST scientific and technical databases.
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NLM Databases and Electronic Resources
Provides links to dozens of health and science related resources maintained by the National Library of Medicine.
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NRC-CISTI's Articles Database
Contains millions of peer-reviewed scientific, technical and medical (STM) journal articles, mostly published after 1993.
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Nuclear Regulatory Commission Glossary
Full text glossary of commonly used terms found in nuclear energy and related fields.
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OAIster
Search for full text collections of freely available, difficult-to-access, academically-oriented digital resources.
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Ocean Drilling Program Database
This database contains over 18,000 citations related to Deep Sea Drilling Project (DSDP) and Ocean Drilling Program (ODP) research.
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Organic Eprints
Organic Eprints is an international open access archive for papers related to research in organic agriculture.
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OTA Archive
Contains the complete collection of the Congressional Office of Technology Assessment (OTA) publications.
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Oxford Reference Online : Medicine & Science
Contains the full text of over 150 books in general reference, language, science and medicine, humanities and social sciences, and business and professional subjects published by Oxford University Press.
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PapersFirst
Worldwide coverage of published congresses, symposiums, conferences, expositions, workshops and meetings received by The British Library Document Supply Centre.
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PGM Database
Contains a collection of published data defining the physical, mechanical and chemical data for the platinum group metals (platinum, palladium, rhodium, iridium, osmium and ruthenium) and their alloys.
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PhilSci Archive
A searchable electronic archive for preprints in the philosophy of science.
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Physical Review Archive
PROLA Indexes all American Physical Society (APS) journal material published from 1893 to present.
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PNAS Online
Search tables of contents, abstracts, and the full-text across hundreds of medical and scientific journals.
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PolarInfo Database
Contains references to northern and Native subjects covering health, education, law, business, political science, geology, cold regions engineering, vegetation, and wildlife.
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PrimateLit Database
Provides bibliographic access to the scientific literature on nonhuman primates for the research and educational communities.
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Principal Metals Glossary
A glossary of over 1000 metallurgical terms.
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ProceedingsFirst
Worldwide coverage of congresses, symposiums, conferences, expositions, workshops and meetings received by The British Library Document Supply Centre.
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PubChem Chemical Structure Database
PubChem contains the chemical structures of small organic molecules and information on their biological activities.
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PubMed Central
National Library of Medicine's digital archive of life sciences journal literature.
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Quakeline Database
QUAKELINE® is a bibliographic database of about 40,000 records covering earthquakes, earthquake engineering, natural hazard mitigation, and related topics.
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RAND Publications Online
A topical listing of online publications by RAND, a nonprofit research organization.
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Readers' Guide Retrospective
Provides access to nearly 100 years of citations from more than 500 leading popular periodicals and magazines.
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Registry of U.S. Government Publication Digitization Projects
Contains links to projects that include digitized copies of publications originating from the United States Government.
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Revistas Especializadas de Mayor Prestigio
Full text, peer-reviewed journals in the arts and sciences published in Mexico.
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Royal Society Online Journals
Search and display the full text of journals in biology, engineering, mathematics and physics.
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SciELO: Scientific Electronic Library Online
Full-text access to a collection of scholarly journals in English,
Portuguese and/or Spanish, published in Brazil, Chile, Costa Rica (Initiatives in development), Cuba, Mexico (Initiatives in development), Spain and Venezuela (Initiatives in development).
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Science Accelerator
Science Accelerator searches science, including R&D results, project descriptions, accomplishments, and more, via resources made available by the Office of Scientific and Technical Information (OSTI), Department of Energy.
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Science Citation Index
A multidisciplinary database covering the journal literature of the sciences (available in ISI Web of Science).
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Science Journals via ProQuest
Search full text and images for the over 300 journals in science and technology, with over 160 titles available in full text.
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Science Links Japan
Contains English - language citations and abstracts for documents published in Japan covering all fields of science, technology, and medicine.
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Science.gov
Provides a gateway to information resources in science and technology at the US government science agencies.
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Scientific Commons
The database tracks over 15 million publications found in nearly 1,000 repositories produced by over 6 million authors.
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SCIRUS
Scirus searches over 150 million science-specific Web pages, enabling users to find Scientific, Technical and Medical data on the Web, see the latest reports, peer-reviewed articles and journals, and locate university sites and scientists' home pages.
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Scitation: Searchable Physics and Technology Database
Contains approximately 600,000 articles from more than 110 technical publications in the physical sciences.
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Scitopia.org
Scitopia searches more than three million documents from over a dozen of the world's leading science and technology societies, including peer-reviewed journal content and conference proceedings.
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Searchable Ornithological Research Archive
The SORA project is a searchable open access electronic journal archive to the international Ornithological literature.
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SIMBAD Astronomical Database
Provides basic data, cross-identifications and bibliography for astronomical objects outside the solar system.
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Social Sciences in Forestry
This database indexes publications in 41 subject areas relating the social sciences to forestry.
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SourceOECD
Contains the full text of all Organisation for Economic Co-operation and Development (OECD) studies and reports from both serial and monographic publications, as well as time series databases.
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SPIRES HEP Literature Database
SPIRES High-Energy Physics Literature Database provides searching of more than 500,000 high-energy physics related articles, including journal papers, preprints, e-prints, technical reports, conference papers and theses.
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SPRILIB : A Polar and Glaciological Bibliographic Database
The Scott Polar Research Institute Library (SPRILIB) databases cover the literature relating to the Arctic and Antarctic published in a wide range of languages.
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STINET MultiSearch
Provides access to the DOD Scientific and Technical Information Center (DTIC) databases containing citations to unclassified documents that have been entered into DTIC's Technical Reports Collection, as well as the electronic full-text of many of these documents.
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Superconductivity Papers Database
Search over 70,000 articles in the areas of High Tc, C60 related, Organic Conductors, Non-Oxide Superconductors including the conventional superconductors, Oxide Conductors, and Theory (new field since September 1997).
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Taxonomy Browser
Contains the names of all organisms that are represented in the NCBI genetic databases with at least one nucleotide or protein sequence.
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Thomas Register
ThomasNet contains detailed product and directory information for US and Canadian manufacturing companies.
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TIB/UB
Technische Informationsbibliothek (TIB) and the Universitätsbibliothek Hannover (UB) catalog contains German research reports, conference proceedings, and other related technical reports and grey literature materials.
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TOXLINE
Information in all areas of toxicology, including chemicals and pharmaceuticals, pesticides, environmental pollutants, mutagens and teratogens.
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TRIS Online: Bureau of Transportation Statistics
TRIS Online provides access to almost 450,000 records of published transportation research.
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United States Federal Regulations
Search for Federal Regulations and Federal Actions Open for Comment.
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United States Geological Survey National Geologic Map Database
USGS resource for maps and related data about: geology; hazards; earth resources; geophysics; geochemistry; geochronology; paleontology; and marine geology.
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United States Geological Survey Publications Warehouse
The USGS reports and thematic maps database contains more than 61,000 bibliographic citations, including numbered series begun as early as 1882.
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United States Patent and Trademark Office
The US Patent and Trademark Office databases provide extensive information on patents and trademarks.
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Vascoda
Vascoda is a German gateway for scientific and scholarly information.
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Web of Science
A multidisciplinary database covering the journal literature of the sciences, arts and humanities, and the social sciences.
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WebCASPAR
The Integrated Science and Engineering Resource Data System maintained by the National Science Foundation (NSF) provides access to a large body of statistical data resources for science and engineering at United States academic institutions.
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Wildlife and Ecology Studies Worldwide
Index to scientific and management literature on mammals, birds, reptiles, and amphibians from journals, conference proceedings, theses, dissertations and other publications.
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Wiley InterScience Backfile Collection
Indexes journal articles and books in Biotechnology, Biochemistry, Biophysics, Cell Development and Biology, Chemistry, Engineering Materials Science.
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World Wide Science : Global Science Gateway
Searches an array of databases found in over a dozen science portals with only one query.
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Zentralblatt MATH
The Zentralblatt MATH Database contains over 2 million entries drawn from more than 2,300 serials and journals.
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Zoological Record
Provides extensive coverage of the world's zoological and animal science literature, covering research from biochemistry to veterinary medicine.
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