| 1. | He also helped to build several experimental liquid air plants in Europe.
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| 2. | Argon is produced industrially by the fractional distillation of liquid air.
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| 3. | It is commercially extracted by the fractional distillation of liquid air.
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| 4. | It is produced industrially by fractional distillation of liquid air.
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| 5. | Thus, the liquid air may only be at the core.
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| 6. | The resulting liquid air was then processed to separate the liquid oxygen for combustion.
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| 7. | The liquid air descending down the column loses nitrogen.
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| 8. | I don't remember what the liquid air density is, but I'll look it up now.
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| 9. | Redirect should point to liquid air-- Light current 18 : 47, 6 September 2006 ( UTC)
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| 10. | These sorts of systems have been explored in the liquid air cycle engine ( LACE ).
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