Science and engineering depend on the quantification of variables, by measurement, calculation, or both. When we have a quantity that expresses some measure of the variable of interest, it is quite useless without the correct units. What is the acceleration on the earth due to gravity? People will often quickly answer “32” or “9.8”, but that is a meaningless answer without the appropriate units (ft/s2, m/s2).
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Taken from The Particle Adventure (http://particleadventure.org/particleadventure/ index.html, The Particle Data Group, 2002).
J. R. Parrington, H. D. Knox, S. L. Breneman, E. M. Baum, and F. Feiner, Nuclides and Isotopes,15th edition (Lockheed Martin/GE Nuclear Energy, Schenectady, NY, 1996).
International Commission on Radiological Protection, Radionuclide Transformations—Energy and Intensity of Emissions. ICRP Publication 38 (Pergamon Press, Oxford, 1983).
M. G. Stabin and C. Q. P. L. da Luz, New decay data for internal and external dose assessment, Health Phys. 83 (4), 471-475 (2002).
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(2003). Scientific Fundamentals. In: Stabin, M.G. (eds) Radiation Protection and Dosimetry. Springer, New York, NY. https://doi.org/10.1007/978-0-387-49983-3_2
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