ほうしゃせいたんそねんだいそくてい
放射性炭素年代測定
2. Radiocarbon datingRadiocarbon dating (sometimes simply known as carbon dating) is a radiometric dating method that uses the naturally occurring radioisotope carbon-14 (C) to estimate the age of carbon-bearing materials up to about 58,000 to 62,000 years. Raw, i.e. , uncalibrated, radiocarbon ages are usually reported in radiocarbon years "Before Present" (BP), "Present" being defined as 1950. Such raw ages can be calibrated to give calendar dates.
Read “Radiocarbon dating” on English Wikipedia
Read “放射性炭素年代測定” on Japanese Wikipedia
Read “Radiocarbon dating” on DBpedia
Read “Radiocarbon dating” on English Wikipedia
Read “放射性炭素年代測定” on Japanese Wikipedia
Read “Radiocarbon dating” on DBpedia
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