TABLE 2.

Thresholds of P _+(aVg) and E_eff, and slope of regression curve for SC vs. $\ln \left({\stackrel{‒}{P}}_{+\left(avg\right)}\right)$ or SC vs. E_eff after 1,000 shocks in water and 1,3-Butanediol.

Medium in the holder	Size (mm)	Threshold P+(aVg)(MPa)/Eeff(mJ)	Slope SC vs. $\ln \left({\stackrel{‒}{P}}_{+\left(avg\right)}\right)∕E_{eff}$
Water	4	12.7 (12.3, 13.1)/ 20.1 (18.4, 22.5)	0.88(0.75, 1.02)/ 0.019 (0.015,0.023)
	7	8.8 (8.7,9.1)/ 7.9 (7.2,8.8)	0.82 (0.77,0.88)/ 0.021 (0.019,0.022)
	10	7.9 (7.5,8.3)/ 3.8 (2.1,5.6)	0.63 (0.58,0.68)/ 0.016 (0.015,0.018)
1,3-Butanediol	4	−	−
	7	9.5 (8.3,11.0)/ 6.8 (-0.2,14.9)	0.25(0.14,0.36)/ 0.005 (0.002,0.008)
	10	9.1 (8.4,9.8)/ 7.8 (3.7,11.2)	0.30 (0.22,0.38)/ 0.007 (0.005,0.009)