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| | The Unified Code for Units of Measure |
 | | Fortunately these units are rather rare in everyday use in trade and medicine, however, we must urge everyone to regenerate their tables, dictionaries, and knowledge bases, and check their data immediately based on this corrected release of The Unified Code for Units of Measure. |
 | | The units directly affected by this error were: unified atomic mass unit (u), parsec (pc), Planck's constant [h], Boltzman's constant [k], electric permittivity ([eps_0]), elementary charge ([e]), electron mass ([m_e]), proton mass ([m_p]), Newton's constant of gravitation ([G]), Maxwell (Mx), Gauss (G), phot (ph), Curie (Ci), Roentgen (R), and U.S. and international mil ([mil_i], [mil_us]). |
 | | The Unified Code for Units of Measure is a code system intended to include all units of measures being contemporarily used in international science, engineering, and business. |
| aurora.regenstrief.org /~schadow/units/UCUM (1500 words) |
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