Guía de Uso del Sistema Internacional

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Guide for the Use of the International System of Units (SI)

[9] Federal Register, Vol. 24, No. 128, p. 5348, July 1, 1959. [10] Federal Register, Vol. 53, No. 138, p. 27213, July 19, 1988. [11] Federal Register, Vol. 42, No. 57, p. 8847, March 24, 1977. [12] Federal Register, Vol. 54, No. 113, p. 25318, June 14, 1989. [13] Federal Register, Vol. 40, No. 23, p. 5954, February 3, 1975. [14] Federal Register, Vol. 33, No. 146, p. 10755, July 27, 1968. [15] Federal Register, Vol. 55, No. 245, p. 52242, December 20, 1990. [16] Federal Register, Vol. 56, No. 1, p. 160, January 2, 1991. [17] Federal Register, Vol. 56, No. 145, p. 35801, July 29, 1991. [18] Preferred Metric Units for General Use by the Federal Government , Federal Standard 376B (General Services Administration, Washington, DC, 1993). [19] Radiation Quantities and Units , ICRU Report 33, 1980; and Quantities and Units in Radiation Protection and Dosimetry , ICRU Report 51, 1993 (International Commission on Radiation Units and Measurements, 7910 Woodmont Avenue, Bethesda, MD, 20814). [20] E. R. Cohen and B. N. Taylor, The 1986 adjustment of the fundamental physical constants, Rev. Mod. Phys., Vol. 59, No. 4, p. 1121 (October, 1987). [21] The term combined standard uncertainty used in the footnotes to Table 7 of this Guide , and the related terms expanded uncertainty and relative expanded uncertainty used in some of the examples of Sec. 7.10.3, are discussed in ISO, Guide to the Expression of Uncertainty in Measurement (International Organization for Standardization, Geneva, Switzerland, 1993); and in B. N. Taylor and C. E. Kuyatt, Guidelines for Evaluating and Expressing the Uncertainty of NIST Measurement Results , Natl. Inst. Stand. Technol. Spec. Publ. 1297, 1994 Edition (U.S. Government Printing Office, Washington, DC, September 1994). [22] A. J. Thor, Secretary, International Organization for Standardization (ISO) Technical Committee (TC) 12, Quantities, units, symbols, conversion factors (private communication, 1993). ISO/TC 12 is responsible for the ISO International Standards cited in Refs. [5] and [6].

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