According to formula 4, if the additional pressure of capillary action of MO solution in an HNT is to be obtained, the surface tension coefficient of MO solution and the contact angle of MO on the inner surface of HNTs need to be obtained.
According to formula 4, if the additional pressure of capillary action of MO solution in an HNT is to <br> be obtained, the surface tension coefficient of MO solution and the contact angle of MO on the inner surface of HNTs need to be obtained.
According to formula 4, if the additional pressure of capillary action of MO solution in an HNT is to <br> be obtained, the surface tension coefficient of MO solution and the contact angle of MO on the inner surface of HNTs need to be obtained.