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yellow cake

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07:55 May 10, 2009
English to Greek translations [PRO]
Tech/Engineering - Mining & Minerals / Gems
Additional field(s): Nuclear Eng/Sci
English term or phrase: yellow cake
Definition from European Nuclear Society:
Yellow cake is the final product of the milling of uranium ore. It contains about 80 % of uranium oxide and is usually represented by the formula U3O8. The yellow cake produced by most modern mills is actually brown or black, not yellow; the name comes from the colour and texture of the concentrates produced by early mining operations due to impurities from ammonium diuranate (NH4)2U2O7.

Example sentence(s):
  • The solvents are removed by evaporating in a vacuum and ammonium diuranate, (NH4)2U2O7, is precipitated by adding ammonia to neutralize the solution. The diuranate is then heated to yield a purified, solid U3O8, known as yellow cake. Kennesaw State University
  • On site, close to the mines, the uranium is concentrated and transformed into a yellow powder, commonly called yellow cake, which contains 75% of uranium. It is in this form that the uranium is marketed. planete-energies.com
  • The first stage of this process is to dissolve the yellow cake in nitric acid; solvent extraction using tributyl phosphate in a hydrocarbon solution extracts the uranium from the various impurities and then the extract is washed with dilute nitric acid to produce uranyl nitrate in a very pure form. landmarkminerals.com
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Summary of translations provided
4ουρανιούχο συμπυκνώμα
Michael Iakovides


  

Translations offered


8 days   confidence: Answerer confidence 4/5Answerer confidence 4/5
ουρανιούχο συμπυκνώμα


Definition from AthensUniversity Department of Chemistry:
Στα ορυχεία ουρανίου το μετάλλευμα του ουρανίου (με περιεκτικότητες που μπορεί να καλύπτουν την περιοχή από 0,1 έως και 20% σε U3O8) επεξεργάζεται συνήθως επιτόπου με σκοπό την παρασκευή μιας εμπορικής μορφής ουρανιούχου συμπυκνώματος (concentrate), το οποίο λόγω χρώματος και υφής είναι γνωστό ως κίτρινο κέικ (yellow cake).

Example sentence(s):
  • Kίτρινο συμπύκνωμα ουρανίου, προϊόν του εμπλουτισμού του μεταλλεύματος (http://upload.wikimedia.org/wikipedia/commons/2/2f/LEUPowder.jpg) - blog  
Michael Iakovides
Local time: 22:32
Native speaker of: Native in GreekGreek, Native in EnglishEnglish
PRO pts in category: 4
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