| 词汇 | example_english_calcium-fluoride |
| 释义 | calcium fluoridecollocation in Englishmeanings of calciumand fluorideThese words are often used together. Click on the links below to explore the meanings. Or, see other collocations with calcium. calcium noun[U] uk /ˈkæl.si.əm/ us /ˈkæl.si.əm/ a chemical element that is present in teeth, bones, ... See more at calcium fluoride noun[U] uk /ˈflɔː.raɪd/ us /ˈflɔːr.aɪd/ a chemical substance sometimes added to water or toothpaste (= substance for cleaning teeth) in order to help keep ... See more at fluoride Examples of calcium fluorideThese 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. E-beam-induced absorption of laser radiation in calciumfluoride optical windows has been measured. Confusion of calciumfluoride spheres with bacteria is not new. If we do it through milk, we need to have less than 2 tonnes—1.86 tonnes of calciumfluoride. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 It is fluoride ion, which is formed from both calciumfluoride and sodium fluoride when put into solution. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 The fluoride ion is exactly the same, whatever its origin, whether it has come from calciumfluoride or from sodium fluoride. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 It is calciumfluoride which occurs naturally in water, but when artificial fluoridation is introduced it is sodium fluoride that is used. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 When one looks at the analysis of the water that people refer to as rich in fluorine, one is looking at calciumfluoride. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 This is not so, because the only difference is that calciumfluoride dissolves much less easily and far more of it has to be handled to achieve the same concentration. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 I am often told that calciumfluoride is all right—"it is natural"—whereas sodium fluoride, which is what is added to the water, is dangerous. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 At high doses, calciumfluoride dissolves poorly and is poorly absorbed from the gut, in comparison with many other fluoride compounds including certain complex inorganic sodium fluorides. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 Very little study has been made of the difference in action between calciumfluoride, which occurs in natural supplies, and sodium fluoride, which it is proposed to add to supplies. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 Calciumfluoride is not a substance that will enter the bloodstream and it has got to enter the bloodstream before it can have any effect upon our teeth. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 Dioxides of tetravalent actinides crystallize in the cubic system, same as in calciumfluoride. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is composed of calciumfluoride, with small impurities. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It was postulated that beta radiation given by uranium inclusions continuously break down calciumfluoride into calcium and fluorine atoms. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Electrode coatings can consist of a number of different compounds, including rutile, calciumfluoride, cellulose, and iron powder. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This varies from several weeks in calciumfluoride to up to two years. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Optical elements made of calciumfluoride, namely of fluorite crystals, are used in some telephoto lenses, to correct color aberration. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Crystals of calcium sulfate or calciumfluoride are doped with dysprosium. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Uranium-doped calciumfluoride was the second type of solid state laser invented, in the 1960s. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Most nuclear fuel is uranium dioxide, which is a cubic solid with a structure similar to that of calciumfluoride. 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. Want to learn more? Go to the definition of calcium Go to the definition of fluoride See other collocations with calcium |
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