"2019-01-14" .
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"tendency of atmosphere moles of hcfc141b"@en .
"2019-01-14" .
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"tendency of atmosphere moles of hcfc141b" .
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.
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"tendency_of_X means derivative of X with respect to time. The construction atmosphere_moles_of_X means the total number of moles of X in the entire atmosphere"@en .