carbon dating
英 [ˌkɑːbən ˈdeɪtɪŋ]
美 [ˌkɑːrbən ˈdeɪtɪŋ]
n. 碳定年法(根据测定古物不同形态的碳含量以计算年代)
牛津词典
noun
- 碳定年法(根据测定古物不同形态的碳含量以计算年代)
a method of calculating the age of very old objects by measuring the amounts of different forms of carbon in them
柯林斯词典
- (古物的)碳14年代测定法,碳定年法
Carbon datingis a system of calculating the age of a very old object by measuring the amount of radioactive carbon it contains.
英英释义
noun
- a chemical analysis used to determine the age of organic materials based on their content of the radioisotope carbon-14
双语例句
- Study on the affection of dead carbon to~ ( 14) C dating
死碳对~(14)C年代测定影响的初步研究 - And we have a lot of schools and colleges planning carbon dating events.
与此同时,我们还组织很多的学校和大学计划开展“低碳约会”的活动。 - The finger bone-just one disklike phalanx-is so small that it does not contain enough usable carbon for dating, the researchers note.
研究人员指出这块盘状的手指骨实在太小了,其中根本没有足够的碳来定年。 - Modern Steels, Ancient Steels, and Carbon Dating
现代钢、古代钢和碳定年法 - However, researchers have now found a chemical method to remove the oil without harming the parchment of the scrolls, and thus allowing precise carbon dating, said the report.
然而,研究人员现在已经发现一种化学方法,这种方法能除去油迹而不损伤古卷的羊皮纸,因此碳精确鉴定方法得以实现,政报报道。 - Archaeologists had been unable to confirm that sequence of events, however, in part because of the limitations of carbon dating.
研究人员由于受碳元素追踪技术的限制,无法确认这些事件的时间顺序。 - 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。 - Carbon 14 age dating in Xinjiang and data base ( I)
新疆~(14)C年代测定及数据集(I) - It is not yet clear when a new set of carbon dating tests will be carried out, the report added.
现在还不清楚何时能实施新一轮的碳鉴定试验。 - According to field survey and data of Radio Carbon Dating and chemical analysis, thls paper discusses the formation period and environments of Salt Lakes in the Hailar Basin.
本文根据野外实地考察和14C年龄数据以及部分化学分析数据,探讨了海拉尔盆地盐湖的形成时期及环境。