There was a decreasing trend in the p-t curve from 0 to 2.5 h, and we observed that levopimaric acid reacted with O 2 to give rise to a drop in pressure.
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There was a decreasing trend in the p-t curve from 0 to 2.5 h, and we observed that levopimaric acid reacted with O 2 to give rise to a drop in pressure.