| 词汇 | example_english_carbon-dating |
| 释义 | Examples of carbon datingThese 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. 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. This period, which carbondating dates from 1024-1217 would have been the last phase of considerable use. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. From carbondating, the archaeologists discovered the village was from the late 1700s to the early 1800s. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The marshes began to form about 3,200 years ago, based on carbondating. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Radio carbondating has confirmed it was occupied in the 18th century. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Ochre is not an organic material, so carbondating of these pictures is often impossible. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The remains were removed for carbondating and are now displayed behind a pane of glass in their original position. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Discarded animal bones found on the site when submitted to carbondating showed that the area was occupied in the 7th century. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This is supported by historical documents and carbondating. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Charcoal turns out, for many reasons, to be an ideal medium for carbondating. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The figurine was determined to be about 40,000 years old by carbondating material from the same layer in which the sculpture was found. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. However, it does have a line of basaltic andesite spatter cones on its northeast flank which are approximately 1,330 years old according to carbondating. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Based on carbondating of local tsunami deposits, it occurred around 1700. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Carbondating of his relics (assuming that they are genuine) favours the third-century hypothesis. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The few remaining original sections are not suitable for carbondating. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. However, the carbondating result was a consequence of an incorrect calibration. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Carbondating, developed in 1949, could be used to archeologists to determine how old bones were. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Where absolute dating methods, such as carbondating, can not be applied, archaeologists have to use relative dating methods to date archaeological finds and features. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The discovery of carbondating aided a great deal in developing this understanding. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This conclusion was extrapolated from results of carbondating. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Radio carbondating of pollen grains preserved in the moorland peat provides a record of the actual species of plants that existed at various periods in the past. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Often dating must rely on contextual historical evidence such as inscriptions, or, modern technology such as carbondating can be used to ascertain dates of varying accuracy. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Maerl deposits can reach up to 10 m thick, but are usually much thinner; carbondating has shown that they can be more than 5500 years old. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Radio carbondating places the era when the tree was felled to provide the wood of which the statue is carved at circa 1280 to 1420 with 94% certainty. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Like carbondating over longer timescales, the uranium clock measures the age of a star. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It has been established by carbondating that this species of tree existed on the island till the 17th century. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Carbondating samples from core blocks and other materials revealed that dates from the 1984 study averaged 374 years earlier than currently accepted and the 1995 dating averaging 100200 years. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Radio carbondating of redeposited turf placed the construction between the years 541 and 651, and lower layers of construction are dated to as early as 430. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Hovind has stated that carbondating a method used by scientists to estimate the age of various objects and events is unreliable. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A 4th to 5th century date is consistent with carbondating of the wooden bed and also with the style of pottery and other tomb furniture. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In 2010 further human bones from the cave were examined, which ultra-filtration carbondating dated to around the end of the ice age 14,700 years ago. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The introduction of reliable carbondating in the late twentieth century allowed new approaches to be developed in which the defensive sequence was less prominent. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Using carbondating the limestone dust was found to be 10055 years old (plus/minus 195 years). From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Carbondating of organic material found in the sediment layers suggested that for a period between 2,000 to 5,000 years ago, much of the channel was seasonally open water. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The age of aboriginal paintings in several of the caves has been authenticated by experts who analyzed the pigments and minerals in them with carbondating. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. 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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