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Charge Transport and Dielectric Properties of Vanadium Oxide Catalyst.-Electrical conductivities and dielectric constants are measured as a function of temp. for four V2O5-K2SO4 catalysts of varying composition and an attempt to correlate the results with the catalytic activities of the catalysts for SO2 oxidation is made. Lower values of activation energy for conduction are shown to correlate with higher catalytic efficiency. -(SRIVASTAVA, S. C.; ANSARI, B. J.; CHAUDHARY, S. N.; GANGWAR, M. C.; MUKHERJEE, D. K.; Indian J.