The formation of ballas is observed with increasing carbon supersaturation (CH4 content) in the gas phase respectively with decreasing at. H/C ration.

随着H/C比率减小，气相中碳的超饱和度（CH4含量）相应增大，从而形成半刚石。

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"She was the 173rd visitor, and our ship's number is 173, " he later explained over a lunch of C ration rice and meat.

FORBES: Matinee Maneuvers