| 单词 | cryolite |
| 释义 | cryolite noun[U] uk/ˈkraɪ.əʊ.laɪt/us/ˈkraɪ.oʊ.laɪt/awhiteorcolourlessmineralused in theproductionofaluminium,glass, and othersubstances 冰晶石Geology: types of rock
Examplesofcryolitecryolite Fox worked for thecryolitecompany between 1864 and 1905. From theCambridge English Corpus On the other hand, the synthetic form ofcryoliteis chargeable under heading 28.29 as aluminium sodium fluoride. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 I am told thatcryolitein its natural form is exempt from the charge under heading 25.28. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 Therecryoliteis used, which is sodium aluminium fluoride, and this is probably the most potent localised source of giving a neighbourhood risk. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 The work also includes very large amounts of fluorides, which are an essential part of the manufacture ofcryolite, one of the materials by which alumina is made into aluminium. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 A few ocular prostheses today are made ofcryoliteglass. From Wikipedia  This example is from Wikipedia and may be reused under a CC BY-SA license.There, she guarded thecryoliteminewhich provided ore vitally needed for the production of aluminumfrom the 16th to the 26th. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.It is mainly produced as a precursor to aluminum trifluoride and syntheticcryolite. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Cryolitewas eventually synthesized, reducing the importance of the mine, and production was finally found uneconomical and discontinued in 1987. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Naturalcryolitewas historically required for the production of aluminium, however, currently mostcryoliteused is produced synthetically. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Whencryoliteis used for the preparation of alum, it is mixed with calcium carbonate and heated. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Moltencryolitewas discovered to dissolve alumina at temperatures significantly lower than the melting point of pure alumina without interfering in the smelting process. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.The rest is converted into corrosive hydrogen fluoride en route to various organic fluorides, or intocryolitewhich plays a key role in aluminium refining. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Alucyc technology is waste-free,cryoliteand the remaining aluminium oxide could be used in melting of primary aluminium as additives. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.He realized that by passing an electrical current through a bath ofcryoliteand aluminum oxide, the then semi-rare metal aluminum remained as a byproduct. 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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