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** Automated multielement analysis over extended periods of time **

** Concentration oscillations (time periodicity) **

** Decay times time periodic potentials **

** Exposure scenarios, time period **

** Life period and service time of ammonia catalyst **

** Prices at randomly chosen times in period **

** Probability distribution time periodic potentials **

** Resonant activation, time periodic potentials **

** Textbooks Published in Different Time Periods **

** The Time Course of Recurrent Mood Disorders Periodic, Noisy and Chaotic Disease Patterns **