1.
radiocarbon method
放射性碳测定年代法
2.
radiocarbon 14 dating method
放射性碳14测定年龄法
3.
radioactive dating
ph.1. 【美】放射性测定年代
4.
The researchers used radiocarbon dating on22 pieces of microscopic charcoal found among Neandertal tools in fire pits in Gorham Cave.
研究者们使用放射性碳方法为在山洞中发现的22片木炭确定年代.
5.
Measurement of geologic time, as through isotopic radioactive decay.
地质年代测定通过放射性同位素衰变来测定地质年代
6.
The material in this beach has been dated by radiocarbon.
这个海滩上的物质经过放射性碳测定。
7.
a chemical analysis used to determine the age of organic materials based on their content of the radioisotope carbon 14.
用放射性同位素碳14测定有机物年龄的化学分析。
8.
radiation-damage dating
辐射损伤年代测定法
9.
beta radiography dating
射线照相法测定年代
10.
contact beta radiography dating
接触式射线照相法测定年代
11.
"carbon dating:The determination of the approximate age of an ancient object, such as an archaeological specimen, by measuring the amount of carbon 14 it contains."
碳定年(法):通过测量古代文物,如考古标本中碳-14的含量,从而测定该古物的大致年代。
12.
determination of the activity concentration of radionuclides by high resolution gamma-ray spectrometry
用高分辨率伽马射线光谱测定法测定放射性核素活性浓度
13.
two-site immunoradiometric assay
双位免疫放射测定法
14.
Half-life of radioactive element carbon-14 is 5730 year.
放射性元素碳-14的半衰期为5730年。
15.
Carbon dating provides the archaeologist with a basic chronological framework.
碳元素年代测定法给考古学家提供了基本的年代框架。
16.
automatic filter activity meter
过滤圃动放射性测定仪
17.
radioactive decay with emission of carbon nuclei
碳核发射放射性衰变
18.
radioactive tracer survey
放射性示踪物测量法