roentgen sign

См. также в других словарях:

• Roentgen — An international unit of X radiation or gamma radiation. (A roentgen is abbreviated R). Named for Wilhelm Roentgen who greatly expanded our diagnostic and treatment capabilities by discovering radiology. A German professor of physics, Roentgen… …   Medical dictionary

• roentgen — I. adjective Etymology: International Scientific Vocabulary, from Wilhelm Röntgen Date: 1896 of or relating to X rays < roentgen examinations > II. noun Date: 1922 the international unit of x radiation or gamma radiation equal to the amount of… …   New Collegiate Dictionary

• roentgen — n. a unit of exposure dose of X or gamma radiation equal to the dose that will produce 2.58 × 10 4 coulomb on all the ions of one sign, when all the electrons released in a volume of air of mass 1 kilogram are completely stopped …   The new mediacal dictionary

• Calendar of 2002 — ▪ 2003 January I will not wait on events while dangers gather. I will not stand by as peril draws closer and closer. The United States of America will not permit the world s most dangerous regimes to threaten us with the world s most destructive… …   Universalium

• Caroli disease — Infobox Disease Name = PAGENAME Caption = Figure 1 Bilary tract, system, or tree includes the gallbladder and the bile ducts. DiseasesDB = 29874 ICD10 = ICD9 = ICDO = OMIM = 263200 MedlinePlus = eMedicineSubj = radio eMedicineTopic = 131 MeshID …   Wikipedia

• Conversion of units — is the conversion between different units of measurement for the same quantity, typically through multiplicative conversion factors. Contents 1 Techniques 1.1 Process 1.2 Multiplication factors …   Wikipedia

• Soviet submarine K-19 — This article is about the Soviet submarine K 19. For the 2002 film dramatization of events involving the submarine, see K 19: The Widowmaker. For other uses, see K 19 (disambiguation). Not to be confused with Soviet submarine K 219. Career (USSR) …   Wikipedia

• Metric system — This article is about the metric system in general. For information about specific versions of the system, such as the International System of Units or the cgs system of units, see #Variants. For a generally accessible and less technical… …   Wikipedia

• Conversion Des Unités — Cet article énumère des facteurs de conversion entre un certain nombre d unités de mesure. Légende : ≡ définition = exactement égal ≈ approximativement égal Sommaire 1 Longueur 2 Surface 3 Volume capacité …   Wikipédia en Français

• Conversion d'unité — Conversion des unités Cet article énumère des facteurs de conversion entre un certain nombre d unités de mesure. Légende : ≡ définition = exactement égal ≈ approximativement égal Sommaire 1 Longueur 2 Surface 3 Volume capacité …   Wikipédia en Français

• Conversion des unites — Conversion des unités Cet article énumère des facteurs de conversion entre un certain nombre d unités de mesure. Légende : ≡ définition = exactement égal ≈ approximativement égal Sommaire 1 Longueur 2 Surface 3 Volume capacité …   Wikipédia en Français