Legend has it that the tree is 7000 years old, but Sussman has found carbon-dating studies indicating it is a mere 2200 years old.
传说这种树已经7000岁了，但是苏斯曼发现碳测年的结果表明它只有2200年的历史。
We now know the age of the glaciation accurately from radiometric dating of the carbon-14 in logs buried in the drift.
我们现在通过测量掩埋在漂流物中木头放射性的碳-14元素，以精确地确定冰川作用的时期。
Carbon dating works by comparing the amount of carbon 14, which is a less common and less stable form of carbon, to the more abundant carbon 12.
碳的年代测定工作是将碳14(碳处于这种状态并不常见，也不稳定)与碳12(碳的常见状态)的含量进行对比。
The project aims to find Lisa's bones and possibly reconstruct her face using carbon dating, DNA analysis and forensic techniques.
这次项目旨在找到丽莎的骨头，然后可能可以利用碳年代测定法、DNA分析和法医技术重新将她的面容建立起来。
So this carbon dating, all it's really doing is measuring that. It gives a number for it.
这种碳同位素纪年的，实际上是测量c14的含量，测量给出一个数值。
For decades, archaeologists have used a technique called carbon dating to work out how old their finds are.
几十年前，考古学家就已经开始用一项叫做碳14测年的方法来检测他们发掘的东西有多悠久。
In the case of the lotus, the age was worked out by carbon dating of the fruit.
关于上面的莲花一例，可以通过碳定年来确定果实的年龄。
The facts: Well, there is no solid way to prove or disprove it, since the very theory says the carbon dating of this age is flawed.
事实说话：因为这个理论宣称当今的年份有误，所以证实它真伪有非常可靠的方法。
Carbon dating and infrared analysis of Leonardo's techniques back up the theory.
碳定年法和红外线分析法对这幅作品作出的分析鉴定支持了上述说法。
Find a good description of the dating process here. After carbon-14 spread throughout the globe, tiny amounts of the gas were taken up by the slow-growing mosses.
在碳- 14散布到全球之后，微量的这种气体被缓慢生长的苔藓吸收。
Strange as it may seem this theory could explain a lot of the problems with the world and things such as carbon dating.
奇怪的是这个理论的确可以解释当今世界和事物中的很多问题，比如说第八名中的200年的时间缺失。
The archaeologists said in the statement that radio-carbon dating put the construction of the circle of bluestones at between 2,400 B.C. and 2,200 B.C., a few centuries later than originally thought.
考古学家在一份声明中说，经放射性碳测年法鉴定，环形巨石阵应该建造于公元前2400年至公元前2200年之间，比之前的推测晚了几百年。
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。
For example, heart muscle cells have two nuclei, which means the DNA could be in there twice, so this could screw up the carbon 14 dating.
例如，心肌细胞有两个核，这样，DNA计数加倍，以致碳14的核定值被带高。
Carbon dating showed that the vegetation had not seen the sun since at least near the start of the Little Ice Age, some 400 years ago.
碳定年法显示这种植物至少从小冰河时期(大约400年前)开始就从未接触过阳光。
Radio carbon dating puts the origin of the shroud between 1260 C. E. and 1390 C. E., consistent with the theory that it was a forgery.
根据碳同位素测定，该亚麻布产于1260年至1390年之间，不过许多人坚持认为这是伪造的。
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。
According to carbon dating, millet and rice in China and southeastern Asia were domesticated about 3000 BC: and corn and beans in Mexico about 7000bc.
根据碳测定，小米和大米在中国和东南亚是在公元前大约3000年驯化，而玉米和豆类在墨西哥则是在公元前7000年驯化。
According to the result of environment tritium math-physical model and carbon-14 age dating, think the renew ability of the thermal water in study area is confined and inhomogeneity.
根据环境氚的数学物理模型计算和碳- 14测年结果，关中盆地热水可更新性具有有限性和非均一性特点。
Virtual Dating Radiocarbon (Carbon-14) applies to once-living materials that are less than 50,000 years old.
虚拟测年放射性碳（碳14）模型应用于测量年龄小于50000年的物质。
Virtual Dating Radiocarbon (Carbon-14) applies to once-living materials that are less than 50,000 years old.
虚拟测年放射性碳（碳14）模型应用于测量年龄小于50000年的物质。
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