radiocarbon

英 [ˌreɪdiəʊˈkɑːbən]

美 [ˌreɪdioʊˈkɑːrbən]

n. 放射性碳(碳的放射性同位素，用以测定物体的年代)

化学

BNC.18130 / COCA.27669

牛津词典

noun

放射性碳（碳的放射性同位素，用以测定物体的年代）
a radioactive form of carbon that is present in the materials of which living things are formed, used in carbon dating
1. radiocarbon analysis
  放射性碳分析

柯林斯词典

N-UNCOUNT 放射性碳
Radiocarbonis a type of carbon which is radioactive, and which therefore breaks up slowly at a regular rate. Its presence in an object can be measured in order to find out how old the object is.
1. The most frequently used method is radiocarbon dating.
  最常用的方法是放射性碳定年法。

英英释义

noun

a radioactive isotope of carbon
Synonym:carbon 14

双语例句

Who says there are no pyramids in Bosnia? Radiocarbon dating method confirmed that the Bosnian Pyramid of the Moon was built about ten thousand years ago!
谁说波斯尼亚没有金字塔？放射性碳年期测试法证实，波斯尼亚的月亮金字塔被建于一万年前！
Advances in radiocarbon dating researches in the loess-paleosol sequences
黄土-古土壤序列~（14）C年代学研究进展
A new proxy of tropical ocean environmental study: radiocarbon record of hermatypic coral
热带海洋环境研究的新代用指标&造礁珊瑚~（14）C记录
Radiocarbon dating confirmed: Bosnia's Moon Pyramid was built about ten thousand years ago!
放射性碳年期测试证实：波斯尼亚的月亮金字塔被建于一万年前！
Low Background Radiocarbon Dating Data Automatic Acquisition and processing
低本底~（14）C年龄测定的自动数据获取和处理
The leaf was allowed to photosynthesize in the presence of radiocarbon.
叶子被允许同放射性碳进行光合作用。
Three procedures were given to this technique, and we can find the influential factors to conversion coefficient of radiocarbon.
通过对14C样品制作三个步骤的分析，找出了影响14C样品碳转化率的因素；
Oceanic carbon models often use radiocarbon to test the performance of the physical model for the large scale processes in the oceans.
海洋碳循环模式中常使用放射性同位素14C来检验该模式的物理模型是否较好地反映了海洋中的大尺度变化的过程。
Discussion on radiocarbon ages of shells in coastal and shelf deposits and its geological interpretation
我国海岸及大陆架沉积物中贝壳的C~（14）年龄及地质解释的讨论
Analysis and determination on the age of geological samples by Li method in radiocarbon dating
在~（14）C断代中用锂法对地质样品的分析