calibration ring

  • 1Dendrochronology — Drill for dendrochronology sampling and growth ring counting Dendrochronology or tree ring dating is the scientific method of dating based on the analysis of patterns of tree rings. Dendrochronology can date the time at which tree rings were… …

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  • 2Radiocarbon dating — (sometimes simply known as carbon dating) is a radiometric dating method that uses the naturally occurring radioisotope carbon 14 (14C) to estimate the age of carbon bearing materials up to about 58,000 to 62,000 years.[1] Raw, i.e. uncalibrated …

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  • 3New Chronology (Fomenko) — Not to be confused with New Chronology (Rohl). Cover of History: Fiction or Science? Chronology volumes 1,2,3 The New Chronology is a fringe theory in history, which argues that the conventional chronology is fundamentally flawed, that events… …

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  • 4Microelectromechanical system oscillator — Microelectromechanical system (MEMS) oscillators are timing devices that generate highly stable reference frequencies. These reference frequencies are used to sequence electronic systems, manage data transfer, define radio frequencies, and… …

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  • 5galaxy — /gal euhk see/, n., pl. galaxies. 1. Astron. a. a large system of stars held together by mutual gravitation and isolated from similar systems by vast regions of space. b. (usually cap.) See Milky Way. 2. any large and brilliant or impressive… …

    Universalium

  • 6New Chronology (Fomenko-Nosovsky) — The New Chronology is a rewriting of world chronology, based on the contention that conventional chronology is fundamentally flawed. The central concepts of the New Chronology are derived from the ideas of Nikolai Morozov,cite… …

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  • 7Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry       The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… …

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  • 8Micrometer — This article is about the measuring device. For the unit of length, see Micrometre. Outside, inside, and depth micrometers A micrometer (   …

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  • 9List of oil field acronyms — Contents 1 # 2 A 3 B 4 C …

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  • 10Radiokohlenstoffdatierung — Die Radiokohlenstoffdatierung, auch 14C Datierung, C14 Datierung/ methode, Radiokarbon Datierung/ methode (lat. carbo ‚Kohle‘), ist ein Verfahren zur radiometrischen Datierung von kohlenstoffhaltigen, insbesondere organischen Materialien. Der… …

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