International Practical Temperature Scale

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(Physics / General Physics) a temperature scale adopted by international agreement in 1968, and revised in 1990, based on thermodynamic temperature and using experimental values to define 16 fixed points. The lowest is the triple point of an equilibrium mixture of orthohydrogen and parahydrogen (-259.34°C) and the highest the freezing point of copper (1084.62°C)

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Kelvin scale			Those scales are Chappuis' constant volume hydrogen gas thermometer scale made available in 1887 through mercury thermometers and referred to as echelle normale (NHS) (2); International Temperature Scale of 1927 (ITS-27) (3); International Temperature Scale of 1948 (ITS-48) (4); 1958 (4) He Vapor Pressure Scale of Temperature (5); International Practical Temperature Scale of 1948. The Kelvin and temperature measurements by Saunders, R.D. / Journal of Research of the National Institute of Standards and Technology			international law enforcement agency international lending international loading gauge (GIC) international logistic support international logistics international manpower ceiling international map of the world International Maritime Organization International Master international mile international military education and training international military personnel international military post International Modernism International Monetary Fund international Morse code international narcotics activities international nautical mile international organisation international organization International Organization for Standardization international personnel International Phonetic Alphabet international pitch international post International Practical Temperature Scale international relations International Relations and Security Network international scale international screw thread international sea and swell scale International Society for Krishna Consciousness International Standard Atmosphere International Standards Organization International style International System International System of Units International Telecommunications Union international telegram international terrorism international unit International Wanted Notice international waters Internationale internationalisation internationalise internationalism internationalist internationalistic internationality internationalization			International Poverty Centre International Poverty Eradication Program International Poverty Reduction Center in China International Pow Wow International Pow-Wow International Powder Metallurgy Directory International Power Controller International Power Electronics and Motion Control Conference International Power Electronics Conference International Power Engineering Conference International Power Generation International Power Line International Power Machines International Power Modulator Conference International Power Modulator Symposium International Power Quality Conference International Power Technology, Inc. International Powered Access Federation International Powered Lift Conference International Powerlifting Federation International Powerlifting Organization International Powerline Communications Forum International Powwow International Practical Shooting Confederation International Practical Temperature Scale International Prader-Willi Syndrome Organisation International Pragmatics Association International Prayer Warriors General Center International Precious Metals Institute International Predissertation Fellowship Program International Preliminary Examination International Preliminary Examination Report International Preliminary Examining Authority International Preliminary Report on Patentability International Premium Cigar and Pipe Retailers International Prepaid Communications Association International Prepress Association International Preschool Curriculum International Presentation Association International Preservation Trades Workshop International President International Presidential Consulting Agency International Press Academy International Press Agency International Press Association International press center International Press Centre Biodiversity Research International Press Cutting Bureau International Press Freedom Awards

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