Equivalence Ratio & Critical Energy (J) & Critical Energy (g tetryl) \\ 0.49 & 2085528.0 & 461.4 \\ 0.54 & 541270.0 & 119.75 \\ 0.59 & 101700.0 & 22.5 \\ 3.4 & 2084172.0 & 461.1 \\