The dielectric permittivity, conductivity and loss tangent of water were measured with non-blocking electrodes for different thicknesses of the sample and for various oscillator levels. The measurements were carried out in the 20-90degreeC temperature range with the 10degeeC interval. Domain Debye resonances in water, as well as changes in dielectric constants, relaxation times and conductivity with temperature were observed. The results show that water has domain structure in the studied temperature range. When the temperature grows, we observed growth of the domain dielectric constants, decrease the domain relaxation times, and growth of the relative width of the Debye resonances.
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