Obviously, there are two classes of conducting polymers, one of which includes, among others, polypyrrole, polythiophene and polyacetylene, whereas polyaniline forms a class of its own.doi:10.1002/masy.19870080108John Wiley & Sons, Ltd.Macromolecular Symposia...
Three different methods for classifying opinions from clients' forum are used, and two new methods, based on linguistic knowledge to assign a mark dependent upon the client's emotions and opinions described in forum comments, have been introduced.Angewandte ChemieK. Wirtz...