Figure 2
From: Water filling and electric field-induced enhancement in the mechanical property of carbon nanotubes

The elastic modulus of the CNTs in the three cases.
The five columns in each case correspond to the elastic moduli of the (6, 6), (8, 8), (10, 10), (12, 12) and (16, 16) CNTs. The solid and dashed lines represent the averages and error bands of the five columns, respectively.