| 词汇 | example_english_radiocarbon-dating |
| 释义 | Examples of radiocarbon 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. Despite its vital role, radiocarbondating has a number of weaknesses, both inherent within the technique and also specific to the region. This chronology has been obtained from radiocarbondating of the tomb and other structures at the site. Because of the vagaries of radiocarbondating, however, the double punch must remain for the moment merely intriguing speculation. These data highlight key contrasts in resolution between radiocarbondating and tephrochronology. Despite this progress, radiocarbondating is still underutilized. This classification will be improved if peat or other suitable material for radiocarbondating can be discovered between flows. All of these records may be potentially integrated using tephrochronology, and/or an intensive use of radiocarbondating. These links are supported by neutron activation analysis of the ceramics and by radiocarbondating. Inevitably, public interest in the technique tends to focus on the area of radiocarbondating. The turnover of soil organic fractions estimated by radiocarbondating. Because of the vagaries of radiocarbondating, we cannot know the exact years of volcanic eruptions or the exact years in which droughts of interest may have occurred. A new method for investigating the age structure of the patch mosaic of a tropical forest by utilizing radiocarbondating techniques on fallen trees is proposed. Additionally, several metatarsals were removed for radiocarbondating and were returned to the site once testing was complete. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Similarly, the retrieval predated the use of radiocarbondating techniques which would have dated the remains with considerable accuracy. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Given the nature of radiocarbondating, such discordant dates occasionally occur even in undisturbed deposits, when multiple samples were dated. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Through radiocarbondating, logs in the church have been dated to 1190, which somewhat contradicts previous datings of the church. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Dates established by radiocarbondating can present a range of 10 to over 100 years. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Petroleum derived ethanol (synthetic ethanol) is chemically identical to bio-ethanol and can be differentiated only by radiocarbondating. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The eruption was dated by corrected radiocarbondating. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Some inventors were able to develop a time machine which uses some kind of radiocarbondating. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Radiocarbondating indicated that the human remains were about 10,000 years old. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The radiocarbondating concluded that the rag paper could date between 1475 and 1640. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Some remnants are neanderthalians and dated 150,000 years old by radiocarbondating. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Later, radiocarbondating yielded the age of the oldest mining activities as 41,000 to 43,000 years. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This skeleton could not be dated by radiocarbondating, but other skeletons there were dated to between 5,100 and 6,100 years old. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Radiocarbondating evidences human presence dating back 50,000 years. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The final structure at the southwestern position was burned and radiocarbondating of its remains have placed it at 1555. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Later radiocarbondating of pollen revealed this to be approximately 8,000 years old. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. She was a pioneer of the use of radioactive isotopes in biology and medicine, notably the techniques of radiocarbondating and autoradiography. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Radiocarbondating of samples from the upper 50cm in of the core yielded dates ranging from 9790750 to greater than 28,500 years radiocarbon. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Lichenometry is especially useful for dating surfaces less than 500 years old, as radiocarbondating techniques are less accurate over this period. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This assertion of 3,000 years is a much more likely and plausible number than the upper limit of radiocarbondating. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In 1988 a radiocarbondating test was performed on small samples of the shroud. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. An indication of a volcano is determined by either its historical records, radiocarbondating, or geothermal activities. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Among the best-known techniques are radiocarbondating, potassium-argon dating and uranium-lead dating. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Radiocarbondating 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. Recent radiocarbondating reveals that it is about 14,000 years old. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. According to the research team, radiocarbondating and archeological methods show that the bones date back to the 19th century. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. According to radiocarbondating, it is between 5,100 and 5,350 years old. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Radiocarbondating was not introduced yet, and he could only rely on tree ring dating. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Radiocarbondating of the kiln gives a 15th-17th century timeframe, with an earlier period of that range most likely. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Radiocarbondating has shown that many hydrovolcanic eruptions occurred in the past. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. He updated the book in 1998 with more recent historical, iconographic, forensic, physical and chemical evidence, with special explanations of the radiocarbondating process. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Radiocarbondating is generally limited to dating samples no more than 50,000 years old, as samples older than that have insufficient to be measurable. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Radiocarbondating of the site has not been possible. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The developments of radiocarbondating and tree-ring calibration have done much to further knowledge in this area. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It was quickly apparent that the principles of radiocarbondating were correct, despite discrepancies whose cause was not then known. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Occasionally, radiocarbondating techniques are used to date an object of popular interest. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The development of radiocarbondating has had a profound impact on archaeology; it is often described as the radiocarbon revolution. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The eruption date is based upon radiocarbondating of wood found underneath some of the scoria. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. For this reason, many archaeologists prefer to use samples from short-lived plants for radiocarbondating. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A detailed analysis using radiocarbondating techniques was published in 2007. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Radiocarbondating has produced a wide range of dates at different sites. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Two centuries before this eruption (circa 1550 75 years), radiocarbondating indicates a similar eruption from crater 2. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Specialists in radiocarbondating now encourage that the method is not employed. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The lava is more than 15,000 years old, as determined by radiocarbondating of a camel bone from within a lava tube cave. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Early work based on dendrochronology and radiocarbondating suggested the landslide occurred between 1060 and 1180 or between 1250 and 1280. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Occasionally some of the wood remains, making it possible to date the church more accurately using radiocarbondating and/or with dendrochronology. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Sporadic radiocarbondating continues, with each scientist claiming to have obtained the latest. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The pollen sequence in the peat is calibrated by radiocarbondating. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Radiocarbondating of freshwater mollusk remains indicated an age of about 7,000 years. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Radiocarbondating showed that the remains range from the mid 7th century to the early 11th century. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These methods include radiocarbondating and the written record that can provide year names or calendar dates. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Detected five levels of successive occupation by the abundant ceramic, radiocarbondating allowed establishing a chronological sequence. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. There are some claims that the church was built after 1326, but this seems to be outside the error envelope of radiocarbondating. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Radiocarbondating is one technique used by scientists to uncover the history of the tree's distribution, with stump kauri from peat swamps used for measurement. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. They concluded that the radiocarbondating had been performed on a sample of the original shroud material. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In extreme cases, items may be subjected to a microscope, x-ray, radiocarbondating or chemical analysis. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Radiocarbondating of artifacts found in limestone caves in the inner canyon indicate ages of 3,000 to 4,000 years. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Initial radiocarbondating indicated the remains were between 7,000 and 9,500 years old. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. No charred organic material for radiocarbondating has been found. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Working primarily before the advent of radiocarbondating, he adhered to a short chronology for regional prehistory that has subsequently been discarded. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Results from radiocarbondating indicate that the early humans may have lived at the site approximately 45,000 years ago or earlier. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. For the earlier times, radiocarbondating of organic remains and charcoal offers independent dates. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This effect is the basis of radiocarbondating. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Geologists have recovered some peat buried by the lava and radiocarbondating produced an age of 7560 years plus or minus 100 years. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Radiocarbondating of the animal remains produced an age of over 35,000 ybp. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Radiocarbondating of subsequently discovered material shows that the bird survived to at least 1400 years ago, after human settlement of the island. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. According to radiocarbondating, these worms live in groundwater that is 3,00012,000 years old. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Although radiocarbondating of freshwater mollusc remains indicated an age of about 7,500 years, radiocarbon dating in freshwater molluscs in particular can be inaccurate. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Radiocarbondating of objects which have been handled and stored away from their original environment for long periods may not be reliable. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Radiocarbondating did not exist at the time of excavation. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. For the latter, correlations have been obtained with radiocarbondating and blood groups as well as archaeology. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Radiocarbondating of artifacts found with the body placed the age of the body at between 300 and 550 years old. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In archaeology, radiocarbondating is an important technique to establish the age of information sources. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The method is experimental, and it is not as widely used in archaeology as other chronometric methods such as radiocarbondating. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The radiocarbondating results showed that the four bras stemmed from the period between 1440 and 1485. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Radiocarbondating of subfossil remains has confirmed this, with whaling the possible cause. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Radiocarbondating shows that this oakwood panel dates to c.800. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Radiocarbondating has provided data on a few individuals. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Their age was established with radiocarbondating as older than 20.000. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Radiocarbondating of the site indicated occupancy beginning 16,000 years ago and possibly as early as 19,000 years ago. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Radiocarbondating is limited to a maximum age of around 40,000 years. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The radiocarbondating techniques that are used on papyrus can be applied to parchment as well. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The age of such materials can be estimated by measuring the amount of radioactive carbon they contain in a process called radiocarbondating. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. When artifacts were found in association with these deposits, they could be independently dated using the predetermined sequence data as well as radiocarbondating. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The ages of various portions and depths of core samples are determined through radiocarbondating. 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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