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Viscosity measurement first principles methods

Determination of the viscosity coefficients from the mechanical wave propagation and attenuation in the ordered nonatic phase is probably the closest to the first principles methods. The shear impedance technique is based on measuring the reflection and attenuation of ultrasonic shear waves [90-92]. The conqtlex shear impedance of the nematic sample, Zn = Rn + iXn, is determined from the complex... [Pg.259]

See other pages where Viscosity measurement first principles methods is mentioned: [Pg.588]    [Pg.86]    [Pg.257]    [Pg.311]    [Pg.157]    [Pg.190]    [Pg.174]    [Pg.259]    [Pg.190]    [Pg.1870]    [Pg.367]    [Pg.368]    [Pg.1300]    [Pg.212]   
See also in sourсe #XX -- [ Pg.390 ]



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