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D50, D-50 or D 50 may refer to: * D50 (radiotherapy), the half maximal inhibitory dose, representing the dose of light or ionising radiation that is required for 50% inactivation of a tumor cell population * the ICD-10 code for Iron deficiency anemia * An intravenous sugar solution of 50% dextrose * D50 steam locomotive, a pre-war Japanese steam locomotives class related to the D60 steam locomotive class * Lancia D50, a Formula One racing car that competed between 1954 and 1956, winning Juan Manuel Fangio the 1956 World Driver's Championship. * CIE Standard Illuminant D50, a lighting standard used in colorimetry, and also in graphic design as a white point * Nikon D50, an entry-level digital SLR camera * Roland D-50, a digital synthesizer from 1986-1989 * Invisible D50, a keyboard stand from 1985-1990 * D50 road (Croatia), a state route * D50, in particle size distribution measurements, the mass-median-diameter, considered to be the average particle size by mass. de:CIE-Normvalenzsystem#Die Standardbeleuchtung 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「D50」の詳細全文を読む スポンサード リンク
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