Abstract. The temperature dependence of the relaxation times in the supercooled liquids is discussed. On the basis of Adam-Gibbs conception a method for measuring the size of the Cooperative Rearranging Region and the number of configurations in these regions is suggested: From the experimental results we obtain that the number of configurations is higher than the number of the fundamental kinetic units in fhe same region. On this basis one subspectrurn of relaxation times is predicted and it is called configuration spectrum. The range of the spectrum is estimated in three alcohols and it is accepted that such kind of spectrum is observed in Glycerol.

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