Liha töötlemine
classes: resonance and relaxation processes. tant dipolar moments. A distortion of the
Resonance phenomena happen when the molecule’s natural vibration is produced,
applied electric field has a frequency that and, therefore, this polarization is also called
matches the natural oscillation frequency of vibrational (Kao 2004). This phenomenon is
the material. It includes electronic polariza- mainly produced at the infrared region.
tion and atomic polarization, which are pro- On the other hand, relaxation phenomena
duced at the highest microwave frequencies are produced at microwave and radio fre-
and above them (Fig. 25.3). Electronic polar- quencies, and characterize, with the conduc-
ization results from the displacement of the tivity, the dielectric behavior of practically