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| Tecatom's pages feature online databases and technical information, including International Nuclear Information System (INIS), Global Network on Isotopes in Precipitation (GNIP), Nuclear Data Service (NDS), Study of the Radiological Situation at Mururoa, Results of the International Chernobyl Conference, and Radioactively-Labelled DNA Probes for Crop Improvement.
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A collection of laws, rules, principles, effects, paradoxes, limits, constants and experiments in the areas of physics and astronomy, arranged alphabetically.
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The aims of the Union are to stimulate and promote international cooperation in physics, to sponsor suitable international meetings and to assist organising committees, to foster the preparation and the publication of abstracts of papers and tables of physical constants, to promote international agreements on other use of symbols, units, nomenclature and standards, to foster free circulation of scientists, and to encourage research and education.
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NuBase is a compilation of ground and isomeric state properties for all known nuclides. The Q-value calculator can be used to display mass data from Audi-Wapstra's mass table and to calculate Q-values for nuclear reactions and decay.
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The SIMBAD astronomical database brings together basic data, cross-identifications, observational measurements, and bibliography, for celestial objects outside the solar system: stars, galaxies, and nonstellar objects within our galaxy, or in external galaxies.
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Information about the UK's national standards laboratory, which holds and maintains the UK reference standards for the basic units of mass, length, time, temperature, luminous intensity, and electrical current, as well as many of the derived units.
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Review articles and physics tutorials in an encyclopaedic format.
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Mathematical summary of fundamental constants such as the speed of light, Avogadro number, neutron rest mass and Faraday constant.
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Reference document listing symbols, values, and units relating to physical constants, such as speed of light in vacuum, planck mass, and nuclear magneton.
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Set of databases, ESTAR, PSTAR and ASTAR, which calculate stopping-power and range tables for electrons, protons, or helium ions, according to methods described in ICRU (International Commission on Radiation Units and Measurements) Reports 37 and 49. The Appendix section summarises the significance of these quantities.
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