1. Reaction Performance in the Catalyst Unsteady State. 2. Dynamic Properties of Contact Apparatus. 3. Reversal of the Reaction Mixture Flow in the Fixed Catalyst Bed. 4. Reaction Control by Means of Variation of the Inlet Parameters. 5. Performance of Catalytic Processes in the Formation and Propagation of a Heat Wave. 6. Purification of Effluent Industrial Gases from Organic Substances and Carbon Monoxide. 7. Non-Steady-State Method for Sulphur Dioxide Oxidation in Sulphuric Acid Production. 8. Production of High-Potency Heat from Slightly Concentrated Gases in the Non-Steady-State Regime. 9. Ammonia, Methanol and Sulphur Production Under Non-Steady-State Conditions. Future Prospects. Index.