You may have it backwards. Why do you assume


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送交者: james_hussein_bond 于 2008-06-15, 21:33:54:

回答: 不需要到平衡态。 由 wasguru 于 2008-06-15, 21:28:00:

that the air partial pressure is only 0.25? You might as well assume it's zero.



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