| 词汇 | carbon-dating |
| 释义 | carbon dating noun[ U ] uk /ˌkɑː.bən ˈdeɪ.tɪŋ/ us /ˌkɑːr.bən ˈdeɪ.t̬ɪŋ/(alsoradiocarbon dating) a method of calculating the age of extremely old objects by measuring the amount of a particular type of carbon in them（计算古物年代的）碳年代测定法，碳定年法 Palaeontology & fossils ammonite ammonoid biozone fossil fossil record fossilization fossilize fossilized index fossil microfossil missing link palaeontologist palaeontology petrifaction petrify radiocarbon dating unfossiliferous You can also find related words, phrases, and synonyms in the topics: Archaeology Scientific techniques carbon dating | American Dictionarycarbon dating noun[ U ] us/ˈkɑr·bən ˌdeɪ·t̬ɪŋ/(alsoradiocarbon dating, us/ˈreɪd·iˌoʊˈkɑr·bən ˌdeɪ·t̬ɪŋ/) science a method of calculating the age of extremely old objects by measuring the amount of a particular type of carbon in them Examples of carbon datingcarbon dating Wood can be dated by carbondating and in some species by dendrochronology to make inferences about when a wooden object was created. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Additional samples from a number of locations on each terrace were taken for flotation, soil analysis, and carbondating. Does all the carbondating of timbers justify the assertion that everything found there is after 1066? From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 Both those questions are now of such antiquity that we should send them for carbondating. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 We do not need carbondating to prove that it is a fake. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 Remains of several primitive blast furnaces have been found and the age have been established by carbondating. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It focuses on geology, geophysics (including seismology and volcanology), and nuclear science (particularly ion-beam technologies, isotope science and carbondating). From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Carbondating and stratigraphic analysis showed the remains to be 10,000 to 13,000 years old. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Carbondating shows that the skull, which should be 40,000 years old, is suspiciously only 25 years old. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Several samples collected from the site have been subject to carbondating. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Some isotope ratios are used to determine the age of materials for example as in carbondating. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Carbondating findings show that the fjord was free of glacial ice approximately 6,500 years ago. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Carbondating has shown that there was human activity going back 20 000 years. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In this case, carbondating and similar techniques are used to determine the age of the sample. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The spread of accelerator based carbondating techniques may help clear up the issue. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. See all examples of carbon dating These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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