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.
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
5.
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。
6.
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.
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.
Half-life of radioactive element carbon-14 is 5730 year.
放射性元素碳-14的半衰期为5730年。
9.
radiation-damage dating
辐射损伤年代测定法
10.
beta radiography dating
射线照相法测定年代
11.
automatic filter activity meter
过滤圃动放射性测定仪
12.
radioactive decay with emission of carbon nuclei
碳核发射放射性衰变
13.
A radioactive isotope of carbon, especially carbon14.
放射性碳碳的一种放射性同位素，尤指碳14
14.
A radiocarbondate of 11200±1000 BP or 9250±1000 BC has been yielded.
碳14测定的年代为距今11200±1000年(公元前9250±1000年)。
15.
Bacteria and bacterial residue carry additional carbon and would skew the radiocarbon date toward the present.
细菌和细菌性残余带来额外的碳，会使现时测定的年代变得不准确。
16.
a radioactive isotope of carbon.
碳的一种放射性同位素。
17.
Clinical Application of Serum β-AP Radioimmunoassay in Patients with Alzheimer Disease;
老年性痴呆病人血清β-AP放射免疫测定的临床应用研究
18.
A Testing Method on Detection Threshold for Channel Vehicle Radiation Monitoring System to γ Radionuclide Activity
通道式车辆放射性测控系统对γ放射性核素活度探测阈值的测定