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Implementation of fuzzy relation equations (FREs) as constraints in a linear optimization model for decision making problems is the central concept of the present paper. Due to non-convex nature of the solution set of FREs, it (the solution set) is characterized as lattice and a feasible domain of the optimization model has been obtained. The objective function of linear model has been characterized...
Lanthanum modified PZT (PLZT) ceramics were prepared with nano powders obtained by the sol gel method and its piezoelectric and pyroelectric behaviour was studied. The piezoelectric properties of the sol gel derived ceramics were compared with the ones prepared by the conventional oxide route. It was found that although the figures of merit of the sol gel derived ones were slightly better (10–15%...
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