| 释义 |
DictionarySeecarbon-1414C
carbon-14 A natural beta-emitting radioisotope of carbon that has a T1/2 of 5720 years, which decays to 14N. It has been used as a biotracer and in anthropology for dating carbon-rich materials, especially newer fossils, and can determine the age of carbon-based materials up to 60,000 years old. |