Glossary entry (derived from question below)
English term or phrase:
fuel-rich
Portuguese translation:
rica em combustível
English term
Brazil
33 years as Telecom Engineer/Translator
Native in: Portuguese 
Works in: English to Portuguese, Spanish to Portuguese, Swedish to Portuguese, and 2 more.
fuel-rich
This is required for igniting the flame. Some instruments may automatically set a fuel-rich mixture.
Jun 1, 2012 06:05: Sidnei Arruda Created KOG entry
Proposed translations
Brazil
Translation Services
Native in: Portuguese 
Works in: Spanish to Portuguese, English to Portuguese, Portuguese to Spanish, and 1 more.
"rica em combustível"
mistura rica em combustível
Norway
Salvador Scofano and Gry Midttun
Engineer:Oil&Gas/Electron/Finan/Law/HSEQ
Native in: Norwegian , Portuguese
Works in: English to Portuguese, Norwegian to Portuguese, Portuguese to Norwegian, and 19 more.
mistura (ar-acetileno) rica
The soot particle evolution from fuel-rich flames was observed through laser light scattering and absorption.
http://biq.iqm.unicamp.br/arquivos/teses/ficha43138.htm
United States
Marlene Curtis
Native in: Portuguese , English
Works in: English to Portuguese, Portuguese to English
(para obter uma chama ar-acetileno) rica em combustível
Propano Hidrogênio Acetileno Hidrogênio Propano Acetileno Acetileno ar ar ... da chama foi uma das alternativas tentadas, tornando a chama mais rica em combustível e r.
http://www.scribd.com/doc/2974485/Quimica-B-Absorcao-Atomica
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Note added at 48 mins (2012-05-29 18:43:52 GMT)
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Princípios de Combustão - Scribd
... soldagem, a chama é rica em combustível para prever a oxidação do metal, enquanto, para o corte do metal, a chama é rica em ... ser observada na mistura ar/acetileno
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Note added at 50 mins (2012-05-29 18:45:52 GMT)
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" Fuel-rich" is qualifying the expression "air-acetylene flame".
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