| 摘要 |
PROBLEM TO BE SOLVED: To provide a production method for a liquefied mixed gas capable of producing a uniform liquefied mixed gas in a short time without requiring an excessive equipment facility aiming at a density of a liquefied gas. SOLUTION: In producing the liquefied mixed gas by mixing a plurality of liquefied gases having different liquid densities in a vessel, the liquefied gas having larger liquid density than the liquid density of the liquefied gas in the vessel is introduced from above and the liquefied gas having smaller liquid density than the liquid density of the liquefied gas in the vessel is introduced from below. When two kinds of liquefied gases having different liquid densities are simultaneously introduced into the vessel, the liquefied gas having the large liquid density is introduced from above and the liquefied gas having the small liquid density is introduced from below. COPYRIGHT: (C)2006,JPO&NCIPI
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